• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    light emitting unit, screen, and lighting fixture. light emitting units are provided that improve the uniformity of colors in the plane, as well as a lighting apparatus that includes these light emitting units in it. the light emitting unit includes: a plurality of sections each having a light source and a wavelength converting member; converting the wavelength converting member a wavelength of light emitted from the light source; an optical component having a light-inciding surface as opposed to a plurality of light-emitting sections; and a color inconsistency preventative structure by suppressing direct light entry from a light source into the optical component.
    公开号:BR102013008256B1
    申请号:R102013008256-2
    申请日:2013-04-04
    公开日:2021-07-13
    发明作者:Shingo Ohkawa；Tomoharu Nakamura；Gen Yonezawa
    申请人:Sony Corporation；
    IPC主号:
    专利说明:

    FUNDAMENTALS
    [001] The present technology concerns a light emitting unit that is suitable to be used in a surface light source, as well as a screen, and a lighting apparatus that includes a light emitting unit in it.
    [002] Emitting surface units, using blue LEDs (Light Emitting Diodes), have been adopted as backlight for liquid crystal displays, lighting devices and the like. For example, Japanese Patent No. 3116727 discloses that a film, with a fluorescent material coated thereon, is provided on the emission observation surface (light emitting surface) with a light guide plate to carry out the conversion. from a wavelength of the incoming light, from a blue colored LED to the light guide plate, by means of a fluorescent material, to obtain a white colored light. Furthermore, Japanese Patent No. 3114805 mentions a wavelength converting element, with an elastic body mixed with a fluorescent material, which is provided between the blue colored LED and the final surface (incidence surface of the light) of a light guidance plate. SUMMARY
    [001] In a light emitting unit to be used as a surface light source, it is highly preferable to improve the in-plane color uniformity (chromaticity), as a general rule.
    [002] It is desirable to provide a light-emitting unit that improves the uniformity of colors in the plane, as well as a screen of a lighting apparatus that includes these light-emitting units in it.
    [003] Thus, for one embodiment of the present publication, a light emitting unit is provided including: a plurality of light emitting sections, each having a light source and a wavelength converting member; converting the wavelength converting member into a wavelength of light emitted from a light source; an optical component having a light-incidence surface as opposed to the plurality of light-emitting sections, and a color inconsistency preventative structure, suppressing direct entry of light from the light source into the optical component.
    [004] According to an embodiment of the present publication, a screen with a light emitting unit is provided at the rear of a liquid crystal panel. The light-emitting unit includes: a plurality of light-emitting sections, each having a light source and a wavelength converting member; converting the wavelength converting member into a wavelength of light emitted from the light source; an optical component having a light-inciding surface, as opposed to the plurality of light-emitting sections; and, a color inconsistency preventative structure by suppressing direct entry of light from the light source into the optical component.
    [005] According to an embodiment of the present publication, a lighting apparatus is provided with a light-emitting unit. The light-emitting unit includes: a plurality of light-emitting sections, each having a light source and a wavelength converting member; converting the wavelength converting member, a wavelength of light emitted by the light source; an optical component having a light-inciding surface as opposed to the plurality of light-emitting sections; and a color inconsistency preventative structure by suppressing direct entry of light from the light source into the optical component.
    [006] In the light emitting unit, screen, or lighting apparatus, according to the above-described embodiments of the present technology, a color inconsistency preventive structure reduces the amount of light entering the optical component, without pass through the wavelength converting member of the light that is generated by the light source. More specifically, light from the light source reaches the light-inciding surface of the optical component, with a wavelength thereof converted by the wavelength converting member.
    [007] In this way, in the light-emitting unit, on the screen and in the lighting apparatus, according to the respective above-described embodiments of the present technology, the provision of color inconsistency preventive structure makes it possible to prevent a color in light plane from the light source is much more highly visible than light passing through the wavelength converting member. This makes it possible to prevent any color inconsistencies, thus improving the color uniformity in the light plane.
    [008] It should be understood that both the general description given above and the detailed description given below are exemplary and are intended to provide additional explanations of the claimed technology. BRIEF DESCRIPTION OF THE DRAWINGS
    [009] The accompanying drawings are included to provide a better understanding of this publication, and are incorporated into, and constitute a part of, these specifications. The drawings illustrate embodiments and together with the specifications serve to explain the principles of the present technology.
    [0010] FIG. 1 is a perspective view showing the general configuration of a transmitter unit, according to a first embodiment of the present technology.
    [0011] FIG. 2 is a schematic diagram showing an array of light rays, directed from the light emitting source to a light-inciding surface, of a light guide plate illustrated in FIG.
    [0012] FIGS. 3A and 3B are each a sectional view for explaining a configuration of a light-emitting section illustrated in FIG.
    [0013] FIGS. 4A and 4B are each a schematic diagram showing a configuration of the light emitting unit according to a comparative example.
    [0014] FIG. 5 is a top view showing light observed from the light emitting unit illustrated in FIG.
    [0015] FIG.6 is a top view showing a configuration of a light-emitting section, according to a modification example1.
    [0016] FIG.7 is a cross-sectional view showing an example of a configuration, between an end of a container and a support, illustrated in FIG.6.
    [0017] FIG. 8 is a cross-sectional view showing a configuration of a light-emitting section, according to an example modification 2.
    [0018] FIG. 9 is a cross-sectional view showing a configuration of a light-emitting section, in accordance with a second embodiment of the present technology.
    [0019] FIG. 10 is a cross-sectional view showing a configuration of a light-emitting section, according to an example modification 3.
    [0020] FIG. 11 is a cross-sectional view showing a configuration of a light-emitting section, in accordance with a third embodiment of the present technology.
    [0021] FIG. 12 is a perspective view showing an example of the external appearance of a screen on which the light emitting unit illustrated in FIG. 1 and the like is applied.
    [0022] FIG.13 is an exploded perspective view showing a section of the main body illustrated in FIG.12.
    [0023] FIG. 14 is an exploded perspective view showing a panel module illustrated in FIG.13.
    [0024] FIGS. 15A and 15B are each a perspective view showing the external appearance of an application example 1 of the panel module illustrated in FIG.
    [0025] FIG. 16 is a perspective view showing the external appearance of an application example2.
    [0026] FIG. 17A is a perspective view showing the external appearance of an application example 3 as viewed from the front side thereof, and FIG. 17B is a perspective view showing the external appearance of the same as viewed from the rear side.
    [0027] FIG.18 is a perspective view showing the external appearance of an application example 4.
    [0028] FIG.19 is a perspective view showing the external appearance of an application example 5.
    [0029] FIG. 20A is a front view of an application example 6, in open state, FIG. 20B is a side view thereof, FIG. 20C is a front view in closed state, FIG. 20D is a left side view, FIG. 20E is a right side view, FIG. 20F is a top view, and FIG. 20G is a bottom view.
    [0030] FIG. 21 is a perspective view showing an example of the external appearance of a lighting apparatus in which the light emitting unit illustrated in FIG. 1 and the like is applied.
    [0031] FIG. 22 is a perspective view showing another example of the lighting apparatus illustrated in FIG.
    [0032] FIG. 23 is a perspective view showing yet another example of the lighting apparatus illustrated in FIG. 21. DETAILED DESCRIPTION
    [0033] Hereinafter, some preferred modes and embodiments of the present technology are described in detail, with reference to the drawings. It should be noted that descriptions are provided in the order indicated below. 1. First Mode of Realization (a light-emitting unit: in an example where the reflective section is provided between the adjacent wavelength converting members). 2. Modification Example 1 (an example in which the reflective section is composed of part of a bracket, supporting the wavelength converting member). 3. Modification Example 3 (an example where the light absorption section is provided between adjacent wavelength converting members). 4. Second Mode of Embodiment (a light-emitting unit; an example where the wavelength converting section is provided between the adjacent wavelength converting members). 5. Modification Example 3 (an example where the wavelength converting film, covering one end of the container of a wavelength converting member, is used as the wavelength converting section). 6. Third Embodiment Mode (a light-emitting unit; an example where the step in which the closest light sources are arranged adjacent to the light-emitting sections is larger than the step in which the light sources adjacent ones are arranged within a light-emitting section). 7. Examples of Applications (screens and lighting devices). (1. First Realization Mode)
    [0034] FIG. 1 shows the general configuration of a light emitting unit (light emitting unit 1) according to a first embodiment of the present technology. The light emitting unit 1, which can be used, for example, as a backlight illuminating a transmissive liquid crystal panel from behind, has a light emitting section 10E including a light source 10, and a wavelength converting member 30, a light guide plate 20 (optical component), a reflector member 40, and an optical blade 50. In the light guide plate 20, each of both the left and right end surfaces , thereof is called a light-incidence surface 20A, and the main surfaces thereof (larger surfaces), on the front and rear sides, are called light-emitting surfaces 20B and 20D. In other terms, the light emitting unit is a kind of edge-illuminated light emitting unit.
    [0035] In the present specification, the lamination direction of the optical blade 50, the light guide plate 20 and the reflector member 40 is called the Z direction (front to back direction), the direction lateral to the main surface of the guide plate of light 20 is called the X direction, and the direction vertical to it is called the Y direction.
    [0036] The light source 10 is, for example, an LED generating a blue color light (for example, with a wavelength of about 430nm to about 495nm, both included), and the plurality of light sources 10 are provided opposite the light-inciding surface 20A of the light guide plate 20. More specifically, the light source 10 is sealed in a package (package 11 described further in FIG. 2), being mounted to a substrate of light source 12. Light source substrate 12 supports light source 10 and provides electrical power to light source 10. Light source substrate 12 has a wiring pattern on a glass epoxy substrate, a metallic substrate, or a flexible, rectangular-shaped substrate, for example. The plurality of light sources 10 are disposed along the longitudinal direction (Y direction) of the rectangular light source substrate 12. A single light source 10 can be arranged alone, or a single light source 10 can be provided in a single light source substrate 12, and a plurality of these configurations may alternatively be arranged.
    [0037] The wavelength converting member 30 is provided between the light source 10 and the light-inciding surface 20A of the light guide plate 20. The wavelength converting member 30 absorbs light of a length of wave, which is generated by the light source 10, and subsequently generates light at a different wavelength than the absorbed light. In other words, light from a light source 10 is partially or fully subjected to a wavelength conversion performed by the wavelength converting member 30, and then goes to the light-inciding surface 20A.
    [0038] FIG. 2 shows a part of the wavelength converting member 30 in enlarged scale. The wavelength converting member 30 is a member in which a wavelength converting material 31 is sealed within a tubular container 32 (capillary), which is composed of a material such as glass. The wavelength converting material 31 may contain, for example, a fluorescent pigment, a fluorescent dye, quantum dots, or the like, and absorb the light coming from the light source 10 to convert it into a light of a different wavelength for emission (eg light v1, shown in FIG.2). For example, the wavelength converting material 31 absorbs a blue colored light from a light source 10 to convert a portion of the light to a red colored light (wavelength from about 620nm to about 750nm, both included) or a green colored light (wavelength from about 495nm to about 570nm, both included). Consequently, light from a light source 10 passes through the wavelength converting material 31, which synthesizes red colored light, green colored light, and blue colored light to generate a light. of white color. The container 32 has the role of facilitating the wavelength converting material 31 and at the same time suppressing any deterioration of the wavelength converting material 31 which is caused by moisture or oxygen in the atmosphere.
    [0039] It is preferable that the wavelength converting material 31 contains quantum dots. The quantum dot is a particle with a diameter of about 1nm to about 100nm, both included, and that has a discrete energy level. Since the energy state of a quantum dot depends on its size, a variation in size allows a wavelength of emitted light to be freely selected. Furthermore, light emitted from a quantum point has a narrow spectrum width. A combination of such a steep peaked light widens the color gamut. In this way, the use of a quantum dot, for the wavelength converting material 31, makes it possible to extend the color range with ease. Furthermore, the dot and quantum show a highly responsive property, allowing light from a light source 10 to be used efficiently. Furthermore, the quantum dot also has great stability. For example, the quantum point can be a composite of group12 elements and group16 elements; a composite of group 13 elements and group 16 elements; or a composite of group14 elements and group16 elements, such as: CdSe, CdTe, ZnS, CdS, PdS, PbSe, and CdHgTe.
    [0040] As shown in FIG 3A, a light emitting section 10E includes a wavelength converting member 30 and a plurality of light sources 10, which emit light into the wavelength converting member 30; and the light-emitting unit 1 is provided with a plurality of light-emitting sections 10E as opposed to a light-inciding surface 20A (for example, the right end surface of the light guide plate 20, shown in FIG. 3A) . The container 32 (wavelength converting material 31) extends in the length direction (Y direction) of the light-inciding surface 20A, and the light-emitting sections 10E are placed side by side along this extending direction.
    [0041] When the light-incidence surface 20A of the light guide plate 20 corresponds to both the upper and lower end surfaces, the plurality of light-emitting sections 10E is disposed along the X direction, as shown in FIG. 3B . When the size of the panel, towards which the light-emitting unit 1 radiates light, is large (eg 55 inches or more), it is especially preferable that the plurality of light-emitting sections 10E be provided in a form. such as to maintain the reliability of the container 32. Alternatively, the light-emitting section arrangement 10E on a long side of the light guide plate 20, with a flat rectangular surface (FIG 3B), increases the luminance as compared to the case of an arrangement on the short side (FIG. 3A).
    [0042] In this embodiment of the present publication, a reflective section 33 is provided between adjacent light-emitting sections 10E. The reflective section 33 comprises a color inconsistency preventative structure to shield any light directed directly to the light-inciding surface 20A of the light guide plate 20 without allowing light to pass through the wavelength converting member 30 , from the light source 10, which is described in detail below.
    [0043] The reflective section 33 is provided between adjacent containers 32 and covers the ends of two containers 32 with a section, for example, concave circular (FIG. 2). Reflective section 33 returns light v2, directed from light source 10 to a position between two adjacent containers 32, back to the side of wavelength converting member 30 (wavelength converting material 31), and it is composed of a highly reflective material, including, for example, a white resin and a resin mixed with metal, showing high reflectance, such as titanium oxide. Examples of this resin material may include PC (polycarbonate), PPA (polyphthalamide), PPA/PCT (polycyclohexylene di-methylene terephthalate) or an epoxy resin. Alternatively, the reflective section 33 can be composed of a material such as metal with a highly reflective coating applied to it. The reflective section 33 is provided over an area, from the position between the above-described adjacent containers 32 to a position between the adjacent light sources 10, and is attached to a part of the light-emitting section 10E, such as the substrate of the light source 12. Reflective section 33 may be in the form of a capsule, covering only one end of container 32; and, it can be separated between one end and the other end, from both ends, of two adjacent containers 32.
    [0044] The light guide plate 20, which is primarily composed to include a transparent thermoplastic resin, such as a polycarbonate (PC) resin and an acrylic resin, orients the light going to the light incident surface 20A, from the light source 10 to the light-emitting surface 20B (a main surface on the side of the optical blade 50 in FIG. 1). On the light-emitting surface 20B an irregular pattern is provided, composed of, for example, microscopic convex sections 20C, to improve the linearity of the light that is propagated through the light guide plate 20. The convex section 20C can be, for example, , a projection in the form of a band or ridge, which extends in one direction (direction X shown in FIG. 1) of the light-emitting surface 20B. On the light-emitting surface 20D, as opposed to the light-emitting surface 20B, for example, a scattering agent is printed in the form of a pattern, such as a scattering section, to spread and equalize the light propagated through the guide plate of the light 20. As the scattering section, instead of the scattering agent, any section including a filter can be provided, or the upper surface can be partially wrinkled, alternatively.
    [0045] The reflector member 40 (FIG. 1) is a plate-shaped, or blade-shaped member, as opposed to a main surface of the light-guiding plate 20, and is provided on the side of the light-emitting surface. 20D of the light guide plate 20. The reflector member 40 returns the light that leaks out of the light source 10 into the side of the light-emitting surface 20D of the light guide plate 20; and light that is emitted from within the light guide plate 20, to the side of the light-emitting surface 20D thereof, back to the side of the light guide plate 20. The reflector member 40 has properties that include reflection, diffusion, and scattering, for example. This makes it possible to use light efficiently to increase luminance on the front side.
    [0046] The reflector member 40 can be composed of, for example, a polyethylene foam PET (polyethylene terephthalate), an evaporated silver film, or a multi-reflective film, or white PET. When a regular reflective capability (specular reflection) is incorporated into the reflector member 40, it is preferable that a treatment such as silver evaporation, aluminum evaporation, or multi-layer evaporation be carried out on the top surface thereof. . If the reflector member 40 has a microscopic shape, it is possible to form this microscopic shape integrally, by a method such as hot pressure molding or extrusion molding of moldings using a thermoplastic resin, for example. Examples of thermoplastic resin may include an acrylic resin such as PC and PMMA (polymethyl methacrylate); a polyester resin such as PET; a polyester copolymer resin such as MS (methyl methacrylate styrene copolymer); a polystyrene resin; and, a polyvinyl chloride resin. Alternatively, the microscopic shape can be formed so that a resin cured by energy radiation (eg, ultraviolet light) is applied onto a substrate composed of PET or glass, and subsequently, a pattern is transcribed onto the substrate.
    [0047] The optical blade is provided on the side on the light-emitting surface 20B of the light guide plate 20, and may include a diffuser plate, a lens film, a polarization divider blade, and the like. FIG. 1 shows only one of the blades of the plurality of optical blades 50 described above. The provision of an optical blade 50 makes it possible to suspend the light coming out of the light guide plate 20, in a direction oblique to the direction of the front side, thus allowing to further increase the luminance of the front side.
    [0048] In the light emitting unit 1, the light that is generated by the light source 10 goes into the light-incidence surface 20A of the light guide plate 20, with a wavelength thereof converted by the converting member of the wavelength 30. This light travels through the light guide plate 20, and is emitted from the light-emitting surface 20B to pass through the optical blade 50.
    [0049] In this embodiment of the present publication, the reflective section 33 is provided between the adjacent light-emitting sections 10E, which makes it possible to reduce the amount of light that goes into the light-incidence surface 20A of the guide plate of light 20 directly from the light source 10 without passing through the wavelength converting member 30.
    [0050] FIG. 4A shows a plane configuration of the light emitting unit 100, according to a comparative example, as viewed from the light emitting surface (XY plane). As in the above-described light-emitting unit 1, in the light-emitting unit 100, a plurality of light-emitting sections 10E are provided opposite a light-inciding surface 20A (e.g., the lower end surface) of a light guide plate 20.
    [0051] However, there is no light in the shielding structure, such as the reflective section between the adjacent light-emitting sections 10E. In a container 32 composed of a material such as glass, a thermal expansion and a contraction can occur, which prevents the containers 32 from being fixed in contact with each other, and thus a spacing interval (spacing interval 133 ) is provided between adjacent containers 32. Furthermore, due to the thickness of the container, a section in which the wavelength converting material 31 is not sealed is present at one end of the container 32. On the light-inciding surface 20A of this light emitting unit 100 as shown in FIG. 4B, in addition to light v1 which has passed through the wavelength converting material 31 of the wavelength converting member 30, from the light source 10, there also arrives a light v102 which has passed between adjacent containers 32 (material Wavelength Converter 31). The v102 light has the same wavelength as the light that is generated by light source 10.
    [0052] In this case, as shown in FIG. 5, in the light emitting unit 100, a blue-tinged color irregularity B, caused by the light v102, is observed along the sides (for example, the top and bottom sides) on which the light emitting sections 10E are provided.
    [0053] On the other hand, in the first embodiment of the present publication, the reflective section 33 is provided between the adjacent containers 32, and in this way, the light v2 (FIG.2), directed from the light source 10 towards a position between the light emitting sections 10E is returned back to the wavelength converting material side 31 by the reflective section 33 and is then subjected to a wavelength conversion. In this way, it is possible to prevent light from the light source 20 from reaching the light incidence surface 20A of the light guide plate 20 directly without passing through the wavelength converting member 30. makes it possible to suppress the generation of any color inconsistencies that are caused by the blue colored light from the light source 10, thus allowing to improve the color uniformity of the in-plane light.
    [0054] As described above, in the first embodiment of the present publication, the reflective section 33 is provided between adjacent light-emitting sections 10E, which makes it possible to reduce the amount of light arriving within the light-incidence surface 20A , of the light guide plate 20, directly from the light source 10, thus allowing to improve the color uniformity of the in-plane light.
    [0055] Hereinafter, descriptions are provided, in examples of modifications of the above-described embodiment of the present publication, and of other embodiments of the present publication. It should be noted that, in the descriptions below, any component parts essentially the same as in the above-described embodiment of the present publication are denoted by the same reference numerals, and that descriptions thereof are omitted where appropriate. (Example of Modification 1)
    [0056] FIG. 6 shows a planar configuration of a light emitting unit (light emitting unit 1A) according to an example modification 1 of the first of the above-described embodiment of the present disclosure, as viewed from the surface of light incidence 20 of the light guide plate 20. In the light emitting unit 1, the reflecting section is composed of a part (barrier section 33) of a support (support 34) supporting the wavelength converting member 30. Except for this point, the light-emitting unit 1A has the same configuration as the light-emitting unit 1, according to the above-described first embodiment of the present disclosure, and the same applies to the operation as well as the effects. advantages of it.
    [0057] The bracket 34 has the function of fixing the wavelength converting member 30 to maintain a spacing interval between the wavelength converting member 30 and the light source 10 at a predetermined value. This makes it possible to prevent the wavelength converting member 30 and the light source 10 from making contact with each other, due, for example, to a thermal expansion or similar event. Support 34 can be shaped, for example, as an approximately rectangular solid, and has an opening, as opposed to the direction (X direction) of light passing from the light source 10 to the light-incidence surface 20A . In concrete terms, the support 34 is composed of an upper surface section 34U and a lower surface section 34D, which interpose the wavelength converting member 30 in a direction perpendicular to an extension direction of the container 32, as well as a pair of sidewalls 34S, which connect the top surface section 34U with the bottom surface section 34D. This bracket 34 has a 33A barrier section. The barrier section 33A faces the side walls 34S of the container 32 (wavelength converting material 31), interposed between and is disposed between the wavelength converting members 30, which are adjacent to each other, at the time of accommodation of the wavelength converting members 30 on the support 34. This makes it possible to reduce the amount of light entering the light-inciding surface 20A of the light guide plate 20 directly from the light source 10.
    [0058] The barrier section 33A is provided over an area from the upper surface section 34U to the lower surface section 34D; and the section thereof opposite an end of a container 32 is formed, for example, in a concave circular shape, to cover the end of the container 32. The barrier section 33A has the function of preventing adjacent containers 32 from entering. in contact with each other, as well as the same function as that of the reflector section 33 of the light emitting unit 1 described above, i.e. the function of returning the light direction from the light source 10 to the position between the adjacent containers 32, back to the side of the wavelength converting members 30 (wavelength converting material 31). The support 34, having the barrier section 33A, can be composed of, for example, a resin mixed with metal, exhibiting a high reflectance, such as titanium oxide. Examples of the resin material may include PC (polycarbonate), PPA (polyphthalamide), PPA/PCT (polycyclohexylene, dimethylene terephthalate) or epoxy resin. When container 32 is made of glass, it is preferable to use PPA with a thermal expansion coefficient close to that of glass, with a cost benefit. Specific examples of a PPA product include “Genestar®” which is manufactured by Kuraray Co. Ltd., and the like.
    [0059] Alternatively, the support 34 may be composed of a material such as common metal with a highly reflective coating applied thereto.
    [0060] As shown in FIG. 7, it is preferable to provide a damping member 35 between one end of the sidewall 34S of the container 32, and the support 34. The use of this damping member 35 allows to prevent the container 32 and the support 34 from coming into contact with each other, and secure the container 32 against the side of the barrier section 33A, to maintain the arrangement of the barrier section 33A and the container 32 with stability. As the damping member 35, an elastic body, of urethane foam, for example, can be used. (Example of Modification 2)
    [0061] A light-emitting unit (light-emitting unit 1B), according to an example modification 2 of the above-described embodiment of the present publication, has a light-absorbing section (light-absorbing section 36) between the adjacent 10E light-emitting sections as color inconsistency preventative structure. Except for this point, the light-emitting unit 1B has the same configuration as the light-emitting unit 1, according to the above-described first embodiment of the present publication, and the same applies to the operation and also to the advantageous effects of same.
    [0062] As shown in FIG. 8, the light-absorbing section 36 is provided between adjacent containers 32, and, for example, concave circular sections thereof cover the ends of the containers 32. The light-absorbing section 36 is intended to absorb and shield light. v2, directed from light source 10, into position between adjacent containers 32; and is composed of a material such as black PC, black PPA, or black urethane foam. When compared to light emitting unit 1, light emitting unit 1B shows low luminance, although it has greater ability to improve color uniformity. (Second Realization Mode)
    [0063] The light emitting unit (light emitting unit 2), according to a second embodiment of the present publication, has a wavelength converting section (wavelength converting section 37) between the emitting sections of adjacent 10E light as color inconsistency preventive structure. Except for this point, the light-emitting unit 2 has the same configuration as the light-emitting unit 1, according to the first embodiment of the present publication, and the same applies also to the operation and advantageous effects of the same.
    [0064] As shown in FIG. 9, the wavelength converting section 37, is provided between adjacent containers 32, and, for example, concave circular sections thereof cover the ends of the containers 32. The wavelength converting section 37 is intended to convert a wavelength of a light v2, directed from the light source 10 to a position between adjacent containers 32. More specifically, the wavelength converting section 37 absorbs the blue-colored light from the light source 10 to emit light different from the blue-colored light in wavelength, such as, for example, a red-colored light or a green colored light. This makes it possible to reduce the amount of light entering the light-incidence surface 20A of the light guide plate 20 directly from the light source 10, thus allowing to improve the color uniformity in the light emitting unit 2 Furthermore, it is possible to make efficient use of the light that is generated by the light source 10, which allows the luminance to be improved as compared to the above-described first embodiment of the present publication. The wavelength converting section 37 can be composed, for example, of a resin material, mixed with a fluorescent pigment and a fluorescent dye. As resin material, a material such as silicone can be used. The wavelength converting section 37 can be separated, between one end and the other end, from the ends of adjacent containers 32. (Example of Modification 3)
    [0065] A light emitting unit (light emitting unit 2A) according to a modification example 3 of the above-described embodiment of the present publication has a wavelength converting film (wavelength converting film 38 ) as wavelength converting section at each end of the containers 32. Except for this point, the light emitting unit 2A has the same configuration as the light emitting unit 2, according to the second embodiment above described in this publication, and the same applies to the operation and also to the beneficial effects thereof.
    [0066] As shown in FIG. 10, the wavelength converter films 38 each cover the opposite end of adjacent containers 32. Like the wavelength converting section 37 in the light emitting unit 2 described above, the wavelength converting film 38 is intended to convert a wavelength of light v2, directed from the light source 10 to a position between adjacent containers 32, and is formed by a fluorescent light paint applied to one end of container 32, for example.
    [0067] A light emitting unit (light emitting unit 3), according to a third embodiment of the present publication, has a color inconsistency preventive structure using a step (step 2) between the nearest light sources10, arranged between the adjacent light emitting sections 10E, i.e. a step between the light source 10 at one end of the light emitting section 10E and the light source 10 closest thereto of the adjacent light emitting section 10E.
    [0068] Except for this point, the light-emitting unit 3 has the same configuration as the light-emitting unit 1, according to the above-described first embodiment of the present publication, and the same applies to the operation and also to the beneficial effects of it.
    [0069] As shown in FIG. 11, the plurality of light sources 10, within a light emitting section 10E, is arranged in a predetermined step P1 (first step), whereas the light sources 10 more near the adjacent 10E light-emitting sections are arranged in a step P2 (second step) greater than step P1. In the third embodiment of the present publication, step P2 prevents light from the light source 10 from going directly to the light-inciding surface 20A of the light guide plate 20.
    [0070] In the light-emitting unit 3, adjacent light sources 10, arranged in step P2, are provided on the innermost side of the wavelength converting member 30, as compared to the case where the light sources 10 are arranged in step P1, the same as between the other light sources 10. In this way, a large amount of light v2, directed from the light sources 10, arranged in step P2 towards a position between the length converting members of adjacent waveforms 30, passes through the wavelength converting material 31. This makes it possible to reduce the amount of light arriving within the light-inciding surface 20A of the light guide plate 20 directly from the light sources 10 , thus allowing to improve color uniformity.
    [0071] FIG. 12 shows the external appearance of the screen 101 on which the above-mentioned light emitting unit 1 (or any one of the light emitting units 1A, 1B, 2, 2A and 3) is applied. The screen 101 is used, for example, as a television receiver flat screen, and has a configuration where the main section of the flat plate body 102 for a display screen is supported by a stand 103. note that the screen 101 is used as a stationary type, which is placed on a horizontal surface, such as the floor, for example, or a shelf, or a table with stand 103, affixed to the main section of the body, although alternatively it can be used as a wall mounted type, with booth 103 detached from the main body section 102.
    [0072] FIG.13 is an exploded perspective view showing the main body section 102 illustrated in FIG. 12. The main body section 102 has, for example, an outer front (crimp) member 111, a panel module 112, and an outer rear member (back cover) 113, in that order, from the front side (side of the viewer). The outer front member 111 is a crimp-shaped member, which covers the front peripheral section of the panel module 112, and has a pair of speakers 114 disposed on the underside thereof. The panel module 112 is secured to the outer front member 111, and a power supply substrate 115 and a signal substrate 116 are also mounted, with an accessory metal piece 117 secured to the rear side thereof. The accessory metal piece 117 is intended for attaching a fastener for attaching to the wall, the substrates and the stand 103. The rear outer member 113 covers the rear side and side sides of the panel module 112.
    [0073] FIG. 14 is an exploded perspective view showing a panel module 112 illustrated in FIG. 13. The panel module 112 has, for example, a front housing (top chassis) 121, a liquid crystal panel 122, and a frame shape member (middle chassis) 90, the light-emitting unit 1, a rear housing (rear chassis) 124, a balancing substrate 125, a balancing cover 126 and a timing control substrate 127, in that order, from the front side (viewer side).
    [0074] The front housing is a frame-shaped metal component that covers the front peripheral section of the liquid crystal panel 122. The liquid crystal panel 122 has, for example, a liquid crystal cell 122A, a substrate source 122B and a flexible substrate 122C, such as a COF (film chip), for example, connecting liquid crystal cell 122A and source substrate 122B. The frame-shaped member 90 is a frame-shaped resin component, which holds the liquid crystal panel 122 and the optical blade 50 over the light emitting unit 1. The rear housing 124 is a metal component made of iron. (Fe) and the like which houses the crystal panel 122, the frame-shape member 90 and the light emitting unit 1. The balancing substrate 125 is intended to control the light emitting unit 1 and is mounted on the rear side of the rear housing 124, as well as being covered by a balancing cover 126, as shown in FIG. 14. The timing control substrate 127 is also mounted on the rear side of the rear housing 124.
    [0075] On the screen 101, an image display is carried out, in such a way that light from the light emitting unit 1 is selectively transmitted by the liquid crystal panel 122. Here, as represented in the above-described embodiments of the present publication, the light emitting unit 1 with improved in-plane color uniformity of light is provided, and in this way the screen 101 is capable of realizing a high quality display.
    [0076] Hereinafter, descriptions are provided in examples, in which the panel module 112, as described above, is applied to electronic devices. Examples of electronic devices might include a television receiver, a digital camera, a notebook and personal computer, a mobile terminal including cell phones, and a video camera. In other terms, the screen described above can be applied to electronic devices in all fields that display external image input signals or internally generated image signals or video images. (Example of Application 1)
    [0077] Each of FIGS. 15A and 15B show the external appearance of an electronic book to which the panel module 112, according to the above-described embodiment of the present publication, is applicable. The electronic book has, for example, a screen section 220, and the screen section is composed of a screen 101, according to the above-described embodiment of the present publication. (Example of Application 2)
    [0078] FIG. 16 shows the external appearance of a smartphone to which the panel module 112, according to the above-described embodiment of the present disclosure, is applicable. The smartphone has, for example, a screen section 230 and a non-display section 240, and the screen section 230 is composed of a screen 101, according to the above-described embodiment of the present publication. (Example of Application 3)
    [0079] Each of FIGS. 17A and 17B show the external appearance of a digital camera to which the panel module 112, according to the above-described embodiment of the present publication, is applicable. The digital camera has, for example, a light emitting section 410 for flash, a screen section 420, a menu switch 430, and a shutter button 440, and the screen section 420 is composed of the screen 101, accordingly. with the above-described embodiment of the present publication. (Example of Application 4)
    [0080] FIG. 18 shows the external appearance of a notebook personal computer to which the panel module 112, according to the above-described embodiment of the present publication, is applicable. The notebook personal computer has, for example, a main body 510, a keyboard 520 for the operation of entering characters and the like, and the screen section 530 is composed of a screen 101, according to the above-mentioned embodiment of the present disclosure. (Example of Application 5)
    [0081] FIG. 19 shows the external appearance of a video camera to which the panel module 112, according to the above-described embodiment of the present invention, is applicable. The video camera has, for example, a main body section 610, a lens 620 which is for shooting an image of an object, and is provided on the side front side of the main body section 610, and a start-stop switch 630 , for starting and stopping the photography of the object image, and a screen section 640. The screen section 640 is composed of a screen 101, according to the above-described embodiment of the present publication. (Example of Application 6)
    [0082] FIGS. 20A to 20G show the external appearance of a cellular telephone, to which the panel module 112, according to the embodiment of the present publication, is applicable. For example, the cell phone is composed of a 710 upper chassis and a 720 lower chassis, which are connected by a coupling section (hinged section) 730, and has a 740 screen and a 750 subscreen, a figure 760 light, and a camera 770. The screen 740, or sub-screen 750, is composed of a screen 101, in accordance with the above-described embodiment of the present publication.
    [0083] FIG. 21 shows the external appearance of a lighting apparatus to which the above-described light emitting unit (or any of the light emitting units 1A, 1B, 2, 2A and 3) is applicable. The lighting apparatus, with built-in light emitting unit 1 (or any of the light emitting units 1A, 1B, 2, 2A and 3), according to the above-described embodiments of the present publication, and for example the lighting section 843 is affixed to a support pole 842 which is provided on a base 841. The lighting section 843 is composed of a light emitting unit 1 or 2, according to the first or second embodiments above. described in the present disclosure. By forming the light guide plate 20 into a curved shape, it is possible to form an illumination section 843 of any shape, such as the tubular shape illustrated in FIG. 21, or the curved shape illustrated in FIG. 22.
    [0084] The light emitting unit 1 can be applicable to an indoor lighting apparatus as shown in FIG. 23. In this lighting apparatus, a lighting section 844 is comprised of the light-emitting unit 1 described above. An appropriate number if lighting sections 844 are arranged, at appropriately spaced intervals, on an 850A ceiling of a building room. It should be noted that the mounting location of the lighting section 844 is not limited to the ceiling 850A, ie the lighting section can be installed in any locations including an 850B wall or the floor (not shown in the drawing) depending on applications desired.
    [0085] In these lighting apparatus, illumination is carried out using light from the light-emitting unit 1. With this, as represented in the above-described embodiments of this publication, the light-emitting unit 1, with improved uniformity The color of light is provided, which makes it possible to obtain light of uniform color.
    [0086] As indicated above, the present technology is described with reference to the respective embodiments and the examples of modifications; however, the present technology is not limited to the respective embodiments described above in the present publication, and different variants are available. For example, in the respective embodiments described above in the present publication, and the like, the description is provided with the use of a light source 10, which generates a blue colored light, although the light source 10 may be a source. of light that generates other colors of light, such as red light and green light. Furthermore, in the respective embodiments described above in the present publication, and the like, the description is provided in the case where a white colored light is generated, from a blue colored light, making the blue colored light passing through a wavelength converting member 30, although an arrangement can be made to obtain light of a color other than white light, such as an orange light or a red light.
    [0087] Additionally, in the respective embodiments described above in the present publication, and the like, a description is provided of a case in which the light-inciding surface 20A of the light guide plate 20 corresponds to both end surfaces to the left and right, although the light incidence surface 20A may be one or three, or more than four end surfaces (left, right, top and bottom), surrounding the main surface. Alternatively, it is also possible to have a light source 10, in a position opposite the main surface of the light guide plate 20, and to have a different type of light emitting unit 1 (or light emitting unit 2). Furthermore, the flat shape of the light guide plate 20 can be customized to fit the shape of an object to be radiated by the light emitting unit 1, and can have any other shape than the rectangular shape. Furthermore, in the respective embodiments described above in the present disclosure, and the like, a description is provided of a case where the light guide plate 20 is used as an optical component, although the light may be directed to the side. of the optical blade 50, using a structure such as a chassis behind the screen 101 and the like, instead of the light guide plate 20.
    [0088] Furthermore, in the respective embodiments described above in the present publication, and the like, a description is provided of a case in which the light source 10 is an LED, although the light source may be composed of a laser semiconductor, or the like.
    [0089] Furthermore, in the respective embodiments described above in this publication, and the like, a description is provided of configurations of the light emitting units 1 and 2, of the screen (television receiver), and the like, citing examples concrete, although it is not necessary to provide all the component parts, and any other component parts may additionally be provided.
    [0090] Furthermore, for example, a material, a thickness and similar characteristics, of each of the components that are represented in the respective embodiments in the present disclosure, are not limited thereto, and any other materials and thicknesses They are allowed.
    [0091] It should be noted that the present technology can be configured as follows: (1) a light-emitting unit, including: a plurality of light-emitting sections, each having a light source and a length-converting member of wave; converting the wavelength converting member into a wavelength of light emitted from the light source; an optical component having a light-inciding surface, as opposed to the plurality of light-emitting sections; and a color inconsistency preventative structure, suppressing direct entry of light from the light source into the optical component. (2) Light emitting unit according to (1), the color inconsistency preventing structure being composed of a light shielding section between the light converting members adjacent to each other. (3) Light emitting unit according to (2), the light shielding section being a light returning section, directed directly from the light source to the optical component, back to the member side wavelength converter. (4) A light-emitting unit according to (3), further including a bracket for supporting the plurality of wavelength converting members, and including a barrier section between the wavelength converting members adjacent to each other. others, of which: the reflective section is composed of a barrier section of the support. (5) Light emitting unit according to (1), the color inconsistency preventive structure being composed of a wavelength converting section between the wavelength converting members adjacent to each other. (6) A light-emitting unit according to (5), wherein the wavelength converting member includes a wavelength converting material sealed in a tubular container. (7) Light-emitting unit according to (6), wherein the wavelength converting section is a wavelength converting film, covering each end of containers adjacent to each other, and containing a material of Fluorescent painting. (8) Light-emitting unit according to (6), wherein the wavelength converting section is a resin containing a fluorescent material, which is provided between the containers adjacent to each other. (9) Light emitting unit, according to (4), further including a damping section, where; the bracket has a side wall opposite the barrier section, with the wavelength converting member interposed between, and the buffer section is provided between the side wall and the wavelength converting member. (10) Light-emitting unit according to (1), one of the light-emitting sections having a plurality of light sources that are arranged in a first step, and the color inconsistency preventive structure is configured using a second step, greater than the first step, the second step being a step between the nearest light sources, arranged between the adjacent light-emitting sections. (11) Light-emitting unit according to (2), wherein the light shielding section is a light-absorbing section that absorbs light directed directly from the light source to the optical component. (12) Light emitting unit according to any one of items (1) to (11), the wavelength converting member including quantum points. (13) Light emitting unit, according to any one of items (1) to (12) where the optical component is a light guiding plate, and the light-incidence surface is a final surface of the light plate. light orientation. (14) Light emitting unit according to any of items (1) to (13) where the light source is a blue light source. (15) Light emitting unit, according to any of the items from (1) to (14) where the light source is an LED. (16) Light emitting unit according to (6) where the container is made of glass. (17) Screen, with a light-emitting unit on the back side of a liquid crystal panel, the light-emitting unit including: a plurality of light-emitting sections each having a light source and a converting member of the wave-length; converting the wavelength converting member, the wavelength of light emitted from the light source; an optical component having a light-inciding surface, as opposed to the plurality of light-emitting sections; and a color inconsistency preventative structure, suppressing direct light entry from the light source into the optical component. (18) Lighting apparatus, having a light-emitting unit, the light-emitting unit including: plurality of light-emitting sections, each having a light source and a wavelength converting member; the wavelength converting member converting a wavelength of light emitted from the optical component light source having a light-inciding surface, as opposed to the plurality of light-emitting sections; and color inconsistency preventative structure, suppressing direct entry of light from the light source into the optical component.
    [0092] The present publication contains matter related to that published in Japanese Patent Application JP 2012090214 filed with the Japanese Patent Registration Agency on April 11, 2012, the entire contents of which are incorporated herein by reference.
    [0093] It should be understood by those skilled in the art that various modifications, combinations, sub-combinations, and alterations may be made, depending on the requirements of a project, and other factors, provided they are within the scope of the appended claims and equivalents the same.
    权利要求:
    Claims (22)
    [0001]
    1. Screen (101), characterized in that it comprises: a liquid crystal display panel (122); and a lighting apparatus (843) positioned on the rear side of the liquid crystal display panel; wherein the lighting apparatus (843) comprises: a plurality of light-emitting sections (10E), each having a light source (10), and a wavelength converting member (30), the wavelength converting member. wave (30) converting a wavelength of light emitted from the light source; the wavelength converting member including a wavelength converting material that includes quantum dots; an optical component (20) having a light-inciding surface (20A), as opposed to the plurality of light-emitting sections (10E), wherein the optical component includes a light-emitting surface facing the rear side of the screen. liquid crystal and is perpendicular to the light-incidence surface, on which the light-emitting surface has an irregular pattern; and a preventive structure (37, 38) suppressing the entry of light from a first light-emitting section into an adjacent light-emitting section, and wherein the preventive structure has a number of concave sections, each concave section being configured with respect to a respective end of a respective section of the plurality of light-emitting sections.
    [0002]
    2. Screen according to claim 1, characterized in that the wavelength converting material is sealed in a tubular container (32).
    [0003]
    3. A screen according to claim 2, characterized in that the prevention structure includes a wavelength converting section between the wavelength converting members adjacent to each other, wherein the wavelength converting section wavelength is a wavelength conversion film covering each end of the container adjacent to each other and containing a fluorescent material.
    [0004]
    4. Screen, according to claim 3, characterized in that the irregular pattern of the optical component comprises convex sections.
    [0005]
    5. Screen (101), characterized in that it comprises: a liquid crystal panel (122); and a lighting apparatus (843) positioned at the rear of the liquid crystal panel, wherein the lighting apparatus (843) comprises: light sources (10) and a wavelength converting member (30), the converting member a wavelength (30) converting a wavelength of light emitted from the light sources (10), the wavelength converting member (30) including a wavelength converting material that includes quantum dots; an optical component (20) with an incident light surface (20A) opposite the light sources (10), wherein the optical component includes a light-emitting surface facing the rear of the liquid crystal display panel; at least one light source substrate (12) that supports the light sources; and a preventive structure (37, 38) having one or more concave sections, the preventive structure being disposed with respect to a first light source and associated with a first wavelength converting member, so that light from the first light source. light is prevented from being absorbed by neighboring converter member regions.
    [0006]
    6. Screen according to claim 5, characterized in that the light-emitting surface has an irregular pattern.
    [0007]
    7. Screen according to claim 6, characterized in that the irregular pattern of the optical component (20) comprises convex sections.
    [0008]
    8. Screen according to claim 5, characterized in that the light sources are light-emitting diodes that generate blue light.
    [0009]
    9. Screen according to claim 8, characterized in that at least one light source substrate (12) has a spinning pattern.
    [0010]
    10. Screen according to claim 9, characterized in that the optical component is a waveguide.
    [0011]
    11. Light emitting unit (1), characterized by comprising: a plurality of light emitting sections (10E) each having a light source (10) and a wavelength converting member (30); wherein each light source is configured to emit light in a first wavelength range; and wherein each of the wavelength converting members (30) includes a wavelength converting material and is configured to convert light emitted into the first wavelength range; an optical guide component (20) having a light-inciding surface (20A) as opposed to the plurality of light-emitting sections (10E); and a preventative structure (37, 38) configured to suppress light emitted in the first wavelength range from entering the optical guide member (20); wherein the preventive structure includes a wavelength converting section (37, 38) disposed between at least one pair of adjacent wavelength converting members (30), and the wavelength converting member (30) is spaced apart. and confronts a respective end of each of the adjacent wavelength converting members and in which the prevention structure has a number of circular concave sections, each concave section being configured with respect to the respective end of a respective one of the converting members (30) of adjacent wavelengths.
    [0012]
    12. Light emitting unit according to claim 11, characterized in that the preventive structure (37, 38) absorbs the light emitted in the first wavelength range going directly to the optical guide component.
    [0013]
    13. Light emitting unit according to claim 11, characterized in that the preventive structure (37, 38) is a structure for preventing color irregularities composed of the wavelength conversion section.
    [0014]
    14. Light emitting unit according to claim 11, characterized in that the preventive structure (37, 38) includes a wavelength conversion film (38) containing a fluorescent paint material.
    [0015]
    15. A light emitting unit according to claim 11, characterized in that the wavelength converting member includes quantum points.
    [0016]
    16. A light emitting unit according to claim 11, characterized in that the optical guide component (20) is a light guide plate and the incident light surface is an end surface of the light guide plate. light.
    [0017]
    17. Light emitting unit according to claim 11, characterized in that the light source is a blue light source.
    [0018]
    18. Light emitting unit according to claim 11, characterized in that the light source is an LED.
    [0019]
    19. A light-emitting unit according to claim 11, characterized in that each wavelength converting member is sealed in a tubular container (32).
    [0020]
    20. Light emitting unit according to claim 19, characterized in that each said tubular container is made of glass.
    [0021]
    21. A light emitting unit according to claim 11, characterized in that the wavelength converting member (30) is configured to absorb the blue light emitted by the light source (10) to convert a part of the light blue in light in a red light band or a green light band so that light emitted by the light source passes through the wavelength converting member (30), in which the wavelength converting member is configured to synthesize a certain light into a certain band of light red, a certain light into a certain band of light green, and a certain light into a certain band of light blue, to generate white light. .
    [0022]
    22. A light emitting unit according to claim 21, characterized in that the red color light band is a wavelength range from 620 nm to 750 nm and the green light band is a band of wavelength from 495 nm to 570 nm.
    类似技术:
    公开号 | 公开日 | 专利标题
    BR102013008256B1|2021-07-13|SCREEN, E, LIGHT EMITTING UNIT
    US10288259B2|2019-05-14|Light emitting unit, display, and lighting apparatus
    US10240750B2|2019-03-26|Illumination device and display device
    BR102013008257B1|2021-07-20|LIGHT EMITTING DEVICE, DISPLAY UNIT, E, LIGHTING UNIT
    US20210141271A1|2021-05-13|Light-Emitting Device, Display Apparatus, And Illumination Apparatus
    JP2014225379A|2014-12-04|Light emitting device, display device and illumination device
    JP6708593B2|2020-06-10|Display device
    JP2020129557A|2020-08-27|Display device and light-emitting device
    JP2015146294A|2015-08-13|Illumination device and display device
    同族专利:
    公开号 | 公开日
    US20200057186A1|2020-02-20|
    BR102013008256A2|2016-01-26|
    JP6192897B2|2017-09-06|
    EP2650721B1|2014-09-24|
    CN103375772A|2013-10-30|
    US10488572B2|2019-11-26|
    CN103375772B|2018-02-16|
    US20210333461A1|2021-10-28|
    JP2013218954A|2013-10-24|
    BR102013008256A8|2021-06-01|
    US11086064B2|2021-08-10|
    US9915769B2|2018-03-13|
    US9423554B2|2016-08-23|
    CN108121115A|2018-06-05|
    EP2650721A1|2013-10-16|
    CN108121115B|2022-01-25|
    US20160327723A1|2016-11-10|
    US20130294107A1|2013-11-07|
    US20180164488A1|2018-06-14|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    JPH0645138B2|1989-09-29|1994-06-15|日精樹脂工業株式会社|Position detection method in toggle type mold clamping device|
    JPH0588174A|1991-09-30|1993-04-09|Sumitomo Electric Ind Ltd|Liquid crystal display device|
    JP3116727B2|1994-06-17|2000-12-11|日亜化学工業株式会社|Planar light source|
    US6501091B1|1998-04-01|2002-12-31|Massachusetts Institute Of Technology|Quantum dot white and colored light emitting diodes|
    JP3114805B2|1998-04-15|2000-12-04|日亜化学工業株式会社|Planar light source, display backlight using the same, and illuminated operation switch|
    CN2375978Y|1999-05-28|2000-04-26|台湾光宝电子股份有限公司|Background light source device|
    US6655810B2|2000-06-21|2003-12-02|Fujitsu Display Technologies Corporation|Lighting unit|
    US6737681B2|2001-08-22|2004-05-18|Nichia Corporation|Light emitting device with fluorescent member excited by semiconductor light emitting element|
    JP2004219926A|2003-01-17|2004-08-05|Three M Innovative Properties Co|Optical film structure, illuminator, and liquid crystal display device|
    CN100511732C|2003-06-18|2009-07-08|丰田合成株式会社|Light emitting device|
    JP4238681B2|2003-09-17|2009-03-18|豊田合成株式会社|Light emitting device|
    FR2868987B1|2004-04-14|2007-02-16|Arjo Wiggins Secutity Sas Soc|STRUCTURE COMPRISING AN ELECTRONIC DEVICE, IN PARTICULAR FOR THE MANUFACTURE OF A SECURITY OR VALUE DOCUMENT|
    CN100406999C|2005-09-09|2008-07-30|财团法人工业技术研究院|Light guide plate and backlight module using same|
    US7503672B2|2006-02-15|2009-03-17|Chunghwa Picture Tubes, Ltd.|Back light module and light mixing apparatus thereof|
    KR100790698B1|2006-04-19|2008-01-02|삼성전기주식회사|Backlight unit for liquid crystal display device|
    KR100754400B1|2006-04-21|2007-08-31|삼성전자주식회사|Backlight unit and display device employing the same|
    JP4812543B2|2006-06-28|2011-11-09|株式会社小糸製作所|Vehicle lighting|
    US7859175B2|2007-05-18|2010-12-28|Seiko Instruments Inc.|Illuminating device, display device and optical film|
    US8459855B2|2008-07-28|2013-06-11|Munisamy Anandan|UV LED based color pixel backlight incorporating quantum dots for increasing color gamut of LCD|
    TWI362527B|2007-11-13|2012-04-21|Au Optronics Corp|Lcd and backlight module, front bezel, and back bezel thereof|
    JP2009231273A|2008-02-27|2009-10-08|Seiko Instruments Inc|Illumination device and display device equipped therewith|
    JP2009265634A|2008-03-31|2009-11-12|Fujifilm Corp|Liquid crystal display device|
    JPWO2009144922A1|2008-05-30|2011-10-06|株式会社東芝|White LED, backlight using the same, and liquid crystal display device|
    KR100924912B1|2008-07-29|2009-11-03|서울반도체 주식회사|Warm white light emitting apparatus and back light module comprising the same|
    KR100982991B1|2008-09-03|2010-09-17|삼성엘이디 주식회사|Quantum dot-wavelength conversion device, preparing method of the same and light-emitting device comprising the same|
    JP5440064B2|2008-10-21|2014-03-12|東芝ライテック株式会社|Lighting device|
    JP2010129359A|2008-11-27|2010-06-10|Sharp Corp|Backlight unit and liquid crystal display device|
    JP5327601B2|2008-12-12|2013-10-30|東芝ライテック株式会社|Light emitting module and lighting device|
    US8110839B2|2009-07-13|2012-02-07|Luxingtek, Ltd.|Lighting device, display, and method for manufacturing the same|
    JP5343752B2|2009-07-31|2013-11-13|大日本印刷株式会社|Light guide plate, light guide plate manufacturing method, surface light source device, and liquid crystal display device|
    KR20110041824A|2009-10-16|2011-04-22|엘지디스플레이 주식회사|Display device using quantum dot|
    JP5612298B2|2009-11-20|2014-10-22|株式会社小糸製作所|Light emitting module and vehicle lamp|
    TWM381089U|2009-12-25|2010-05-21|Coretronic Corp|Backlight module|
    CN101776246B|2010-01-28|2011-11-23|苏州奥浦迪克光电技术有限公司|Light guide plate and illuminator and back light module comprising same|
    CN102142511A|2010-02-01|2011-08-03|深圳市光峰光电技术有限公司|Solid-state light source based on optical wavelength conversion and packaging method thereof|
    US8294168B2|2010-06-04|2012-10-23|Samsung Electronics Co., Ltd.|Light source module using quantum dots, backlight unit employing the light source module, display apparatus, and illumination apparatus|
    KR101689607B1|2010-06-14|2016-12-26|엘지전자 주식회사|Mobile terminal|
    US8310771B2|2010-06-28|2012-11-13|Shim Hyun-Seop|LED light converting resin composition and LED member using the same|
    CN101931040A|2010-07-20|2010-12-29|嘉兴嘉尼光电科技有限公司|Packaging of LED area light source|
    JP2012169189A|2011-02-15|2012-09-06|Koito Mfg Co Ltd|Light-emitting module and vehicular lamp|
    TWI451169B|2011-08-04|2014-09-01|Au Optronics Corp|Back light module and display device using the same|
    KR101859653B1|2011-08-30|2018-05-18|삼성전자주식회사|Light emitting unit and liquid display apparatus having the same|
    JP6192897B2|2012-04-11|2017-09-06|サターン ライセンシング エルエルシーＳａｔｕｒｎ Ｌｉｃｅｎｓｉｎｇ ＬＬＣ|LIGHT EMITTING DEVICE, DISPLAY DEVICE, AND LIGHTING DEVICE|US9864121B2|2011-11-22|2018-01-09|Samsung Electronics Co., Ltd.|Stress-resistant component for use with quantum dots|
    CN104169786B|2012-01-13|2018-02-09|三星电子株式会社|For the light mixing chamber being used together with light guide plate|
    JP6192897B2|2012-04-11|2017-09-06|サターン ライセンシング エルエルシーＳａｔｕｒｎ Ｌｉｃｅｎｓｉｎｇ ＬＬＣ|LIGHT EMITTING DEVICE, DISPLAY DEVICE, AND LIGHTING DEVICE|
    KR102157244B1|2013-12-20|2020-09-18|삼성디스플레이 주식회사|Wavelength converting body and liquid crystal desplay comprising the same|
    JP6265055B2|2014-01-14|2018-01-24|ソニー株式会社|LIGHT EMITTING DEVICE, DISPLAY DEVICE, AND LIGHTING DEVICE|
    KR101657954B1|2014-02-05|2016-09-21|삼성디스플레이 주식회사|Backlight assembly and display divece having the same|
    KR20150093890A|2014-02-07|2015-08-19|삼성디스플레이 주식회사|Quantum dot filling tube, quantum dot filling tube manafacturing method and display device having the same|
    JP2015152719A|2014-02-13|2015-08-24|ソニー株式会社|display device|
    JP6221914B2|2014-04-11|2017-11-01|日本電気硝子株式会社|Method for manufacturing light emitting device|
    KR20150119998A|2014-04-16|2015-10-27|삼성디스플레이 주식회사|Quantum dot filling tube and display device having the same|
    KR20160009720A|2014-07-16|2016-01-27|삼성디스플레이 주식회사|Backlight unit|
    JP6746498B2|2014-08-22|2020-08-26|Ｎｓマテリアルズ株式会社|Wavelength conversion member, light emitting device using the same, light emitting element, light source device, and display device|
    CN104154468B|2014-09-01|2016-08-31|深圳市华星光电技术有限公司|Backlight module|
    JP6401994B2|2014-10-08|2018-10-10|エルジー ディスプレイ カンパニー リミテッド|Liquid crystal display|
    WO2016072311A1|2014-11-04|2016-05-12|Ｎｓマテリアルズ株式会社|Wavelength conversion member, and light-emitting device, light-emitting element, light source device, and display device using wavelength conversion member|
    US10578791B2|2014-11-04|2020-03-03|Ns Materials Inc.|Light guide member and light source unit using the same|
    WO2016072312A1|2014-11-04|2016-05-12|Ｎｓマテリアルズ株式会社|Wavelength conversion member, light-emitting device in which same is used, light-emitting element, light-source device, display device, light guide member, and method for manufacturing wavelength conversion member|
    JP6321210B2|2014-12-03|2018-05-09|富士フイルム株式会社|Liquid crystal display|
    CN104503137A|2014-12-30|2015-04-08|深圳市华星光电技术有限公司|Backlight module and liquid crystal display with same|
    US10180596B2|2015-02-03|2019-01-15|Samsung Electronics Co., Ltd.|Display apparatus|
    KR102279386B1|2015-02-03|2021-07-21|삼성전자주식회사|Display appartus|
    WO2016136787A1|2015-02-25|2016-09-01|シャープ株式会社|Illuminating device, display device, and television receiving device|
    JP2016201464A|2015-04-10|2016-12-01|日本電気硝子株式会社|Wavelength conversion member|
    US10564467B2|2015-04-30|2020-02-18|Samsung Display Co., Ltd.|Liquid crystal display device and method for driving the same|
    WO2016185096A1|2015-05-19|2016-11-24|Tactotek Oy|Thermoformed plastic cover for electronics and related method of manufacture|
    WO2016190379A1|2015-05-26|2016-12-01|シャープ株式会社|Lighting device, display device and television receiving device|
    EP3761109A1|2015-06-26|2021-01-06|Sony Corporation|Light emission device, display device, and illumination device|
    JP2017027839A|2015-07-24|2017-02-02|株式会社ジャパンディスプレイ|Lighting apparatus and display|
    CN108139036B|2015-09-24|2020-05-15|夏普株式会社|Illumination device, display device, and television receiver|
    WO2017051848A1|2015-09-25|2017-03-30|シャープ株式会社|Illumination device, display device, television reception device and wavelength conversion part manufacturing method|
    CN105182608B|2015-10-13|2018-08-14|深圳市华星光电技术有限公司|A kind of side entrance back source component and backlight module|
    CN105388666B|2015-12-11|2019-01-01|青岛海信电器股份有限公司|Backlight module and display device|
    JP6700792B2|2016-01-06|2020-05-27|キヤノン株式会社|Light source|
    WO2017163598A1|2016-03-24|2017-09-28|ソニー株式会社|Light emitting device, display apparatus, and illumination apparatus|
    KR20180001925A|2016-06-28|2018-01-05|현대자동차주식회사|Surface lighting module and surface lighting light source unit for vehicle using the same|
    KR20180057942A|2016-11-23|2018-05-31|엘지디스플레이 주식회사|Liquid crystal display device|
    KR20180083011A|2017-01-11|2018-07-20|삼성디스플레이 주식회사|Light source unit, display device including the same and manufacturing method of the display device|
    CN107167867B|2017-06-19|2019-06-11|深圳市华星光电技术有限公司|A kind of light guide plate and the backlight module with the light guide plate|
    JP6708593B2|2017-08-09|2020-06-10|サターン ライセンシング エルエルシーＳａｔｕｒｎ Ｌｉｃｅｎｓｉｎｇ ＬＬＣ|Display device|
    KR20210003330A|2019-07-01|2021-01-12|삼성디스플레이 주식회사|Backlight unit and Display device having the same|
    法律状态:
    2016-01-26| B03A| Publication of a patent application or of a certificate of addition of invention [chapter 3.1 patent gazette]|
    2018-12-04| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2020-02-27| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2021-05-18| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2021-06-01| B03H| Publication of an application: rectification [chapter 3.8 patent gazette]|Free format text: REFERENTE A RPI 2351 DE 26/01/2016, QUANTO AO ITEM 54. |
    2021-07-13| B16A| Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 04/04/2013, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    JP2012090214A|JP6192897B2|2012-04-11|2012-04-11|LIGHT EMITTING DEVICE, DISPLAY DEVICE, AND LIGHTING DEVICE|
    JP2012090214|2012-04-11|
    [返回顶部]