| 发明名称 |
Double-faced lighting device |
| 摘要 |
A lighting device has a light guide plate having light projecting surfaces at least on the one sides thereof, and at least one brightness enhancement film having a plurality of prisms and disposed adjacently to one of both sides of the light guide plate.
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| 申请公布号 |
US2005030727(A1) |
申请公布日期 |
2005.02.10 |
| 申请号 |
US20040911693 |
申请日期 |
2004.08.05 |
| 申请人 |
CITIZEN ELECTRONICS CO., LTD. |
发明人 |
SHIMURA TAKASHI |
| 分类号 |
F21V8/00;G02B6/00;G02F1/13357;(IPC1-7):G01D11/28;F21V5/02 |
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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