• 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:

    公开号:SE1150656A1
    申请号:SE1150656
    申请日:2011-07-08
    公开日:2013-01-09
    发明作者:Bengt Andersson
    申请人:Reklamteknik Ab；
    IPC主号:
    专利说明:

    The underlying phosphorescent layer is passed through. The double layers will give the same perceived color regardless of whether it is in daylight, lighting or illuminating.
    A disadvantage, however, is that the second layer will reduce the search effect for the phosphorescent underlying layer.
    Information signs are normally printed using screen printing. Screen printing is suitable for printing on plastic or metal materials and for efficient printing of the thick layers of paint required to give an effective luminous effect from a phosphorescent paint. The layer thicknesses are 15-100 μm. In addition, screen printing is suitable for both long and short series of prints. Screen printing is difficult to automate for this product type. Even if the paint is applied with a machine, the sign substrates are often handled one by one manually by one operator and only one paint is printed at a time.
    It is therefore advantageous if the printing process can be rationalized. By reducing the number of printing steps, printing costs will be reduced.
    Summary With existing signs, it is common to print in your layers, where one layer works in daylight or artificial light, while another layer focuses on the illuminating effects. It is an advantage if the printing process can be simplified as much as possible, for example by reducing the number of printing steps. One way to reduce the number of printing steps is to reduce the number of printed layers.
    To achieve the same color experience in search as in lighting, the signal field is printed with a transparent varnish, for example a UV-curing screen printing varnish, in which resin, colored phosphorescent pigments and colored fluorescent pigments are mixed in.
    The two types of pigment will increase each other's effects both in the illuminated state as well as in search of darkness. Therefore, the sign material can be made of a less sophisticated material than the expensive material which has a built-in phosphorescent effect.
    Additional objects and advantages of the invention will become apparent to those skilled in the art upon reading the detailed description below of embodiments of the invention. BRIEF DESCRIPTION OF THE DRAWINGS The invention will be further described, by way of example and with reference to the accompanying drawings. In the drawings, Fig. 1 is a top view of an example of a sign according to the present invention and Fig. 2 is a cross-sectional view. along the line II-II in Fig. 1.
    Detailed description of embodiments The sign 1 as shown has a printed text 2 and a colored signal field 3. The text 2 and the colored signal field 3 are printed on a substrate 4. For some signs the text is replaced by one or fl your symbols or a or fl your symbols and text. To simplify the description, the term “text” is normally used here, but it is understood that it also covers “symbols” or “symbols and text”. The substrate 4 can be made of any suitable material, such as metal, plastic or composite. The substrate 4 is made of a non-phosphorescent material.
    The printed text 2 is formed by phosphorescent pigment 5 which is mixed in a lacquer 6. The colored signal field 3 is printed in one layer. The layer comprises phosphorescent pigments 7 and fluorescent pigments 8 in a lacquer 9.
    The phosphorescent pigments 5 of the printed text 2 normally give a white impression.
    The phosphorescent pigment 7 and fl uorescent pigment 8 of the colored signal field 3 are of the same color. However, the hue or color tone of the phosphorescent pigments 7 and the fluorescent pigments 8 will vary considerably. The phosphorescent pigments 7 are normally of a lighter shade than the fluorescent pigments 8.
    The red phosphorescent pigments 7 are used with red fl fluorescent pigments 8, green phosphorescent pigments 7 with green fl fluorescent pigments 8, and so on. To vary the shade, a small amount of fl uorescent pigment 8 of a different color can sometimes be added.
    To obtain an acceptable result, ie the same color impression both in daylight and afterglow, the amount of phosphorescent pigment 7 should be between 30 and 60% by weight, preferably between 35 and 50% by weight and most preferably about 40% by weight.
    The amount of fluorescent pigment 8 should be between 1.5 and 4.5% by weight, preferably between 1.5 and 3.5% by weight and most preferably between 1.5 and 2.5% by weight.
    权利要求:
    Claims (12)
    [1]
    Illuminating product having at least one colored signal field, characterized in that the colored signal field (3) is printed in one layer and that the layer comprises both phosphorescent pigments (7) and non-fluorescent pigments (8).
    [2]
    A product according to claim 1, wherein the phosphorescent pigments (7) and the fluorescent pigments (8) have the same color and wherein the shade of the color of the phosphorescent pigments (7) and the fluorescent pigments (8) are different.
    [3]
    A product according to claim 2, wherein the shade of the color of the phosphorescent pigments (7) is lighter than the shade of the de fluorescent pigments (8).
    [4]
    A product according to any one of the preceding claims, wherein the amount of phosphorescent pigment (7) is between 30 and 60% by weight.
    [5]
    A product according to claim 4, wherein the amount of phosphorescent pigment (7) is between 35 and 50% by weight.
    [6]
    The product of claim 5, wherein the amount of phosphorescent pigment (7) is about 40% by weight.
    [7]
    A product according to any one of the preceding claims, wherein the amount of fl uorescent pigment (8) is between 1.5 and 4.5% by weight.
    [8]
    A product according to claim 7, wherein the amount of florescent pigment (8) is between 1.5 and 3.5% by weight.
    [9]
    A product according to claim 8, wherein the amount of florescent pigment (8) is between 1.5 and 2.5% by weight.
    [10]
    A product according to any one of the preceding claims, wherein the layer with colored signal field (3) comprises a lacquer (9) and wherein the lacquer (9) is a UV-curing or solvent-based screen printing lacquer.
    [11]
    11. ll. Product according to one of the preceding claims, wherein the product is a sign (1), which sign has one or fl your printed symbols and / or printed text (2), which is surrounded by a colored signal field (3).
    [12]
    A sign (1) according to claim 11, wherein the sign (1) comprises a substrate (4) with the printed symbols and / or the text (2) and the colored signal field (3) and wherein the substrate (4) is made of a non-phosphorescent material.
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    同族专利:
    公开号 | 公开日
    SE536008C2|2013-03-26|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    SE1150656A|SE536008C2|2011-07-08|2011-07-08|Calling product|SE1150656A| SE536008C2|2011-07-08|2011-07-08|Calling product|
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