发明名称 |
Polarized light emitting device for illuminating a display |
摘要 |
A lighting device has a light source for emitting lighting light for illuminating a display, and a light guide plate for changing the direction of the lighting light to the display. A polarization separation film is provided for separating polarization of the lighting light into P-polarized light and S-polarized light for illuminating the display.
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申请公布号 |
US6960010(B2) |
申请公布日期 |
2005.11.01 |
申请号 |
US20030397213 |
申请日期 |
2003.03.27 |
申请人 |
CITIZEN ELECTRONICS CO., LTD. |
发明人 |
MATSUMOTO KENJI;MIYASHITA JUNJI |
分类号 |
G02B6/00;F21V8/00;F21Y101/02;G02B5/02;G02B5/30;G02F1/13357;(IPC1-7):F21V7/04 |
主分类号 |
G02B6/00 |
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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