发明名称 |
Light guide device, light source device, and liquid crystal display device |
摘要 |
An object of the present invention is to provide a light guide device which can emit light rays of high directivity with high efficiency irrespective of incident angles, and a light source device using the light guide device which can provide light rays of high directivity with high efficiency irrespective of emitting characteristics of light source lamps, and a liquid crystal display device which is small-sized and can display at very high luminance and is free from color tone changes depending on visual angles over a wide field angle.
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申请公布号 |
US5799126(A) |
申请公布日期 |
1998.08.25 |
申请号 |
US19950426742 |
申请日期 |
1995.04.21 |
申请人 |
FUJITSU LIMITED |
发明人 |
NAGATANI, SHINPEI;YAMADA, FUMIAKI;FUKUHARA, MOTOHIKO |
分类号 |
F21V8/00;G02B6/00;G02B6/12;G02B6/42;(IPC1-7):G02B6/00 |
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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