发明名称 |
Diffusion plate and diffusion plate assembly |
摘要 |
A diffusion plate assembly includes a diffusion plate made from transparent material. Pluralities of bar-type patterns are disposed on the emission surface of the diffusion plate. The outline of these patterns has a first curve and a second curve. The protruding direction of the first curve and the second curve are inversed. The second curve is an arc whose radius curvature is between 0.05 mm and 0.3 mm.
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申请公布号 |
US7684118(B2) |
申请公布日期 |
2010.03.23 |
申请号 |
US20070942004 |
申请日期 |
2007.11.19 |
申请人 |
ENTIRE TECHNOLOGY CO., LTD. |
发明人 |
YANG TZU-JANG;CHENG WEN-FENG |
分类号 |
G02B5/02 |
主分类号 |
G02B5/02 |
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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