发明名称 |
LIGHT GUIDE PLATE, DIE, AND DIE PROCESSING METHOD |
摘要 |
A light guide plate having a first surface and a second surface opposite the first surface receives the light in a first direction parallel with the second surface and emits the light towards the first surface in a third direction perpendicular to the first surface, the light guide plate including: a light receiving portion which receives the light; a light guiding path which guides the light in the first direction; and an emitting portion which emits the light by reflecting the guided light towards the first surface in the third direction. The emitting portion is a first V-shaped groove having a V-shaped cross-section extending on the second surface in a second direction crossing the first direction. The first V-shaped groove is provided in plurality in the first direction and formed to be deepest in the center in the second direction and become shallower as distance increases from the center. |
申请公布号 |
US2013051075(A1) |
申请公布日期 |
2013.02.28 |
申请号 |
US201213590234 |
申请日期 |
2012.08.21 |
申请人 |
FUJITA MASARU;ITO MASAMI;KIKUCHI TAKANORI;KUSAKA YUSUKE |
发明人 |
FUJITA MASARU;ITO MASAMI;KIKUCHI TAKANORI;KUSAKA YUSUKE |
分类号 |
F21V8/00;B29C59/02;B32B38/10 |
主分类号 |
F21V8/00 |
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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