发明名称 |
Illumination device |
摘要 |
A thin illumination device providing uniform luminance distribution on the diffusing plate comprising a reflecting plate, linear light sources arranged in the vicinity of the reflecting plate and a diffusing plate arranged on the opposite side of the reflecting plate with regard to the light sources, section of the reflecting plate having a shape of continuous curves having different curvature.
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申请公布号 |
US5186537(A) |
申请公布日期 |
1993.02.16 |
申请号 |
US19910709797 |
申请日期 |
1991.06.03 |
申请人 |
DAI-ICHI SEIKO CO., LTD. |
发明人 |
KATOH, HIDEAKI;NOGUCHI, NOBUHISA;KIKUCHI, YUTAKA;KANEKO, ISAMU;HOSHI, TERUO |
分类号 |
F21V7/00;F21V7/09;F21V7/22 |
主分类号 |
F21V7/00 |
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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