• 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:
    A control device (1), in particular for a vehicle, comprising: - a transparent support (12), - an opaque decorative layer (14), printed on the transparent support (12) in a control zone (2, 4, 6 ), the decorative layer (14) delimiting a pattern forming a pictogram (10) where the decorative layer (14) is absent, said pictogram (10) having an outer periphery (10a), - a detection layer (16), electrically conductive and printed on the transparent support (12) around the pictogram (10), substantially to the outer periphery (10a) of the pictogram (10), in the control zone (2, 4, 6), said detection layer ( 16) having an inner periphery (16a), and - a light source (18) adapted to emit light passing through the transparent support (12).
    公开号:FR3048928A1
    申请号:FR1652190
    申请日:2016-03-15
    公开日:2017-09-22
    发明作者:Abdelaziz Omar Ben
    申请人:Faurecia Interieur Industrie SAS；
    IPC主号:
    专利说明:

    Vehicle control device and method of manufacture
    Field of the Invention The invention relates to a control device, in particular for a vehicle, and a method for producing such a control device.
    Context of the invention
    Such a control device is sometimes referred to as a control button. The invention relates more particularly to a control device said backlit, in particular to allow to locate the location of the control device in the dark and / or to inform a user of the state of the device that the device of command allows to control.
    Such a device is generally disposed in the passenger compartment of the vehicle, in particular, on a dashboard, a central console, a door panel or a ceiling lamp. The object of the invention is to provide a control device that can be easily produced for a given cost, providing a good aesthetic quality while ensuring satisfactory detection.
    DESCRIPTION OF THE INVENTION For this purpose, according to the invention, the control device comprises: a transparent support, an opaque decor layer, printed on the transparent support in a control zone, the decorative layer delimiting a pattern forming a pictogram where the decorative layer is absent, said pictogram having an outer periphery, - a detection layer, electrically conductive and printed on the transparent support around the pattern forming the pictogram in the control zone, said detection layer having an inner periphery and a light source adapted to emit light passing through the transparent support according to the pattern forming the pictogram, wherein the detection layer extends substantially to the outer periphery of the pictogram.
    Thus, the decor layer defines the pictogram illuminated by the light source and masks the detection layer, while the detection layer allows a good detection of the presence of a user's finger opposite the pictogram, extending substantially until the pictogram.
    According to another characteristic according to the invention, preferably said inner periphery of the detection layer has a non-circular shape and corresponds substantially to the shape of the outer periphery of the pictogram.
    Thus, it prevents the detection layer forms a ring of large diameter, certainly very easy to achieve, but likely to misread the presence of a user's finger when the user has a finger end.
    According to another characteristic according to the invention, preferably said inner periphery is in the immediate vicinity of the outer periphery of the pictogram on at least the major part of said outer periphery of the pictogram.
    It must be understood by "immediate proximity" in particular the fact of being 1 millimeter or less, and "most" more than half of the outer circumference of the pictogram. Thus, the quality of detection is improved.
    According to a complementary feature according to the invention, said inner periphery of the detection layer is preferably coincident with the outer periphery of the pictogram on at least the major part of said outer periphery of the pictogram.
    Thus, especially when the method of realization allows without risk of revealing the inner periphery of the detection layer, the detection can be optimized.
    In various embodiments of the device according to the invention, one or more of the following arrangements may also be used: - the transparent support is formed by a film of less than a millimeter d thickness, preferably less than 0.5 millimeter thick; the support is made of polycarbonate (PC) or polyethylene terephthalate (PET); the detection layer extends all around the pictogram; the control device comprises a capacitive sensor, said capacitive sensor comprising said detection layer; said detection layer is made of copper and / or silver; the decorative layer is between the transparent support and the detection layer; - The control device further comprises a protective layer covering the detection layer and the decorative layer; The invention also relates to a cladding element comprising a rigid support molded on the control device. The invention furthermore relates to a method for producing a control device in which the following steps are performed: a) arrangement of a transparent support having a face-face and an upside-down face, b) in a control zone, printing of a an opaque ink on the back side of the transparent support to form an opaque decor layer, the decor layer delimiting a pattern forming a pictogram where the decor layer is absent, said pictogram having an outer periphery, c) in the control zone, printing d an electrically conductive ink on the transparent support substantially up to the outer periphery of the pictogram, d) a provision of a light source in the control zone, facing the reverse side of the transparent support.
    Thus, the realization is relatively simple and inexpensive, while providing a good quality of detection and a beautiful appearance.
    In various embodiments of the method according to the invention, one or more of the following arrangements may also be used: step c) is carried out after step b) and during in step c) the electrically conductive ink is printed on the opaque ink; - Printing is performed in steps b) and c) by screen printing; a mask is used to produce the pictogram in step b) and said mask is used in step c); the method further comprises a step e) during which the transparent support is placed in a mold cavity, and then the plastic molding cavity is filled in order to mold a rigid support on the back side of the transparent support.
    BRIEF DESCRIPTION OF THE FIGURES Other features and advantages of the present invention will become apparent from the following detailed description, with reference to the accompanying drawings, in which: FIG. 1 illustrates a control device according to the invention, - FIG. 2 illustrates the sectional control device along line II-II marked in FIG. 1, FIG. 3 illustrates a first step of a method according to the invention for producing the control device, FIG. 4 illustrates a second step of a method according to the invention for producing the control device, FIG. 5 illustrates a third step of a method according to the invention for producing the control device, FIG. 6 is an enlarged view of the area marked VI in FIG. 5, FIG. 7 illustrates a fourth step of a method according to the invention for producing the control device. FIG. 8 illustrates a fifth step of a method according to the invention for producing the control device.
    Detailed description of the invention
    Figures 1 and 2 illustrate a cladding element 110 disposed in a passenger compartment 100 of the vehicle. In the illustrated embodiment, the covering element 110 is a dashboard and more precisely a central console dashboard. The covering element 110 comprises a rigid support 30 molded on a control device 1. The control device 1 has three control zones 2, 4, 6 each comprising a pictogram 10 having an outer periphery 10a.
    The control device 1 essentially comprises a transparent support 12, a decorative layer 14, a capacitive sensor 20 comprising a detection layer 16, and a light source 18 for illuminating the pictogram of each of the control zones 2, 4, 6.
    The transparent support 12 has a surface face 12a and a back face 12b. In the illustrated embodiment, the transparent support 12 is flexible and formed by a film having a substantially constant thickness E, preferably less than 1 millimeter, preferably substantially equal to 0.3 millimeter. The transparent support 12 is preferably polycarbonate (PC) or polyethylene terephthalate (PET).
    The decorative layer 14 is opaque and electrically insulating. It has a substantially constant thickness and is disposed on the back side 12b of the transparent support 12. Optionally, one or more translucent layers can be interposed between the transparent support 12 and the decorative layer 14, to improve the aesthetic appearance of the control device 1, whose location face 12a of the support 12 constitutes the visible part.
    The decorative layer 14 delimits a pattern forming the pictogram 10. In other words, the absence of a decorative layer 14 defines the pictogram 10. The outer periphery 10a of each of the pictograms 10 thus constitutes an edge of the decorative layer 14. illustrated embodiment, each of the pictograms 10 is entirely surrounded by the decorative layer 14, so that the pictograms 10 are away from the periphery of the control device 1. It will be noted that according to the pattern of the pictogram 10, the decorative layer 14 may or may not be present inside the zone delimited by the outer periphery 10a of the pictogram. Thus, in the control zone 2, the decorative layer 14 is not present inside the zone delimited by the inner periphery 10a of the pictogram 10, while in the control zones 4, 6, the decorative layer 14 comprises a first portion located outside the inner periphery 10a of the pictogram 10 and a second portion located inside the inner periphery 10a of the pictogram 10, said first portion and second portion of the decorative layer 14 being disjointed.
    The detection layer 16 is electrically current-conducting and entirely arranged on the decorative layer 14. The detection layer 16 extends forming a band delimited by an inner periphery 16a and an outer periphery 16b and which is closed on itself. even around the pictogram 10 of each of the control zones 2, 4, 6 in the illustrated embodiment. The decorative layer 14 is interposed between the detection layer 16 and the transparent support 12 so that the detection layer is not visible to a user placed on the side of the location face 12a.
    The inner periphery 16a of the detection layer 16 may be slightly recessed with respect to the outer periphery 10a of the pictogram 10. However, advantageously and in the illustrated embodiment, the inner periphery 16a of the detection layer 16 corresponds to the outer periphery. 10a of the pictogram 10 for each control zone 2, 4, 6. Thus, the outer periphery 10a of the pictogram 10 having a non-circular shape, the inner periphery 16a of the detection layer 16 has the same shape. On the other hand, the outer periphery 16b of the detection layer 16 is preferably substantially circular.
    The capacitive sensor 20 comprises the detection layer 16 in each of the detection zones 2, 4, 6, as well as an antenna 22 connecting each detection layer 16 to an electronic unit 28, via a flexible sheet 24 formed by a tongue of the transparent support 12 and a connector 26.
    An optional protective layer 32 consisting of a varnish is placed on the side of the backside 12b of the transparent support and covers the detection layer 16, the decorative layer 14 and the transparent support 12 at the level of the pictogram 10.
    Each of the light sources 18 is arranged facing the rear face 12b of the transparent support 12, at each of the control areas 2, 4, 6, in order to emit light through the transparent support 12 according to the pictogram. 10.
    A method for producing the control device will now be described in connection with FIGS. 3 to 8.
    As illustrated in Figure 3, the transparent support 12 is prepared having the location face 12a and the back face 12b. Optionally, the tab 24 may be provided for the subsequent connection of the detection layer to the electronic unit 30.
    Then, as shown in Figure 4, an opaque ink layer is deposited by printing on the back side 12b of the transparent support, to form the decorative layer 14. Preferably, the deposition of the opaque ink layer is performed substantially on the entire backside 12b, except the pattern corresponding to the pictogram 10 of each detection zone 2, 4, 6. The ink deposit is advantageously performed by screen printing. A mask corresponding to the pattern of the pictogram makes it possible to prevent the presence of opaque ink and consequently of the decorative layer 14 at the location of the pictogram 10. The decorative layer 14 thus produced preferably has a substantially constant thickness of the order 0.1 millimeter.
    Then, as shown in Figure 5, an electrically conductive ink is deposited by printing on the decorative layer 14 around the pictogram 10 of each of the control zone 2, 4, 6. The electrically conductive ink is advantageously deposited all around of the pictogram 10, to form the detection layer 16 and also between the detection layer 16 of each of the control zones 2, 4, 6 and the tongue 24 to form antennas 22. Preferably, the electrically conductive ink is deposited by screen printing and the same mask is used to prevent the deposition of electrically conductive ink at the pictogram and ensure that the inner periphery 16a of the detection layer 16 corresponds closely to the outer periphery 10a of the pictogram for each control zone 2 , 4, 6. The conductive ink is advantageously made of copper or silver. The detection layer 16 thus produced is electrically conductive and preferably has a substantially constant thickness of the order of 0.1 millimeter.
    Then, the protective layer 32 is applied facing the whole of the back side 12b of the transparent support 12.
    Then, the detection device 1 formed by the transparent support 10 covered with the decorative layer 14, the detection layer 16 and optionally the protective layer 32 is disposed in a molding cavity 36 between a first portion 34a and a second part 34b of a mold 34. Plastic material is introduced into the molding cavity 36 to produce the rigid support 30, made of opaque plastic material, molded on the detection device 1.
    Each light source 18 is then arranged opposite the back face 12b of the transparent support 10, in order to selectively illuminate the pictogram of each control zone 2, 4, 6.
    It will be noted that the light emitted by each light source 18, is isolated from the pictogram of the adjacent detection zone, because of the opacity of the rigid support 30.
    In the illustrated embodiment, the light sources 18 are carried by the rigid support 30. Alternatively, the light sources 18 could be carried by the transparent support 10.
    权利要求:
    Claims (10)
    [1" id="c-fr-0001]
    A control device (1), in particular for a vehicle, comprising: - a transparent support (12), - an opaque decorative layer (14), printed on the transparent support (12) in a control zone (2, 4). 6), the decorative layer (14) delimiting a pattern forming a pictogram (10) where the decorative layer (14) is absent, said pictogram (10) having an outer periphery (10a), - a detection layer (16) electrically conductive and printed on the transparent support (12) around the pictogram (10) in the control zone (2, 4, 6), said detection layer (16) having an inner periphery (16a), and - a source light source (18) adapted to emit light passing through the transparent support (12), wherein the detection layer (16) extends substantially to the outer periphery (10a) of the pictogram (10).
    [2" id="c-fr-0002]
    2. Control device according to claim 1 wherein said inner periphery (16a) of the detection layer (16) has a non-circular shape and substantially corresponds to the shape of the outer periphery (10a) of the pictogram (10).
    [3" id="c-fr-0003]
    3. Control device according to any one of the preceding claims wherein said inner periphery (16a) is in the immediate vicinity of the outer periphery (10a) of the pictogram (10) on at least the major part of said outer periphery (10a) of the pictogram. (10).
    [4" id="c-fr-0004]
    4. Control device according to the preceding claim wherein said inner periphery (16a) of the detection layer (16) coincides with the outer periphery (10a) of the pictogram (10) on at least the major part of said outer periphery (10a). ) of the pictogram (10).
    [5" id="c-fr-0005]
    5. Control device according to any one of the preceding claims wherein the transparent support (12) is formed by a film less than one millimeter thick (E), preferably less than 0.5 millimeter thick. thickness.
    [6" id="c-fr-0006]
    6. Control device according to any one of the preceding claims wherein the detection layer (16) extends around the pictogram (10).
    [7" id="c-fr-0007]
    7. Control device according to any one of the preceding claims comprising a capacitive sensor (20), said capacitive sensor comprising said detection layer (16).
    [8" id="c-fr-0008]
    8. A method for producing a control device in which the following steps are carried out: a) provision of a transparent support (12) having a location face (12a) and a back face (12b), b) in a control zone (2, 4, 6), printing an opaque ink on the back side (12b) of the transparent support (12) to form an opaque decor layer (14), the decor layer (14) delimiting a pattern forming a pictogram ( 10) where the decorative layer (14) is absent, said pictogram (10) having an outer periphery (10a), c) in the control zone (2, 4, 6), printing an electrically conductive ink on the support transparent (10) substantially to the outer periphery of the pictogram, d) provision of a light source (18) in the control zone (2, 4, 6), facing the reverse side (10b) of the transparent support (10).
    [9" id="c-fr-0009]
    9. Method according to the preceding claim wherein the printing is carried out in steps b) and c) by screen printing.
    [10" id="c-fr-0010]
    The method of any of claims 8 and 9 further comprising a step e) wherein the transparent support (10) is disposed in a molding cavity, and then filling the plastic molding cavity to mold a rigid support (30) on the back side (12b) of the transparent support (12).
    类似技术:
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    同族专利:
    公开号 | 公开日
    CN207190964U|2018-04-06|
    FR3048928B1|2018-03-02|
    US20170269774A1|2017-09-21|
    DE102017204095A1|2017-09-21|
    引用文献:
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    法律状态:
    2017-02-22| PLFP| Fee payment|Year of fee payment: 2 |
    2017-09-22| PLSC| Publication of the preliminary search report|Effective date: 20170922 |
    2018-02-20| PLFP| Fee payment|Year of fee payment: 3 |
    2019-02-20| PLFP| Fee payment|Year of fee payment: 4 |
    2020-02-20| PLFP| Fee payment|Year of fee payment: 5 |
    2021-02-19| PLFP| Fee payment|Year of fee payment: 6 |
    2022-02-18| PLFP| Fee payment|Year of fee payment: 7 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1652190A|FR3048928B1|2016-03-15|2016-03-15|CONTROL DEVICE FOR VEHICLE AND METHOD OF MANUFACTURE|
    FR1652190|2016-03-15|FR1652190A| FR3048928B1|2016-03-15|2016-03-15|CONTROL DEVICE FOR VEHICLE AND METHOD OF MANUFACTURE|
    CN201720229238.0U| CN207190964U|2016-03-15|2017-03-10|Control device|
    DE102017204095.5A| DE102017204095A1|2016-03-15|2017-03-13|Vehicle control device and manufacturing method|
    US15/460,012| US20170269774A1|2016-03-15|2017-03-15|Vehicle control device and manufacturing method|
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