发明名称 |
LIGHT GUIDING PLATE FORMED OF TRANSPARENT RESIN, PLANAR LIGHT SOURCE, AND LIGHT GUIDING PLATE MANUFACTURING METHOD |
摘要 |
A light guiding plate is made of a transparent thermoplastic resin and has a first main surface, a second main surface opposed to said first main surface, a first side wall, a second side wall, a third side wall opposed to said first side wall and a fourth side wall opposed to said second side wall, the surface portion of the first main surface is provided with convex portions and/or concave portions, the light guiding plate has a longitudinal-direction length, which is a length from the first side wall to the third side wall, of 40 mm or more but 130 mm or less, at least 80 % region of the light guiding plate has a thickness of 0.1 mm or more but 0.55 mm or less.
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申请公布号 |
EP1860374(A1) |
申请公布日期 |
2007.11.28 |
申请号 |
EP20060714728 |
申请日期 |
2006.02.27 |
申请人 |
MITSUBISHI ENGINEERING-PLASTICS CORPORATION |
发明人 |
TAHARA, HISASHI;KUROKAWA, HARUHIKO |
分类号 |
B29D11/00;B29C45/56;F21V8/00;F21Y103/00;G02B6/00;G02F1/13357 |
主分类号 |
B29D11/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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