发明名称 |
Light-emitting unit, illumination apparatus and projection display apparatus |
摘要 |
A light-emitting unit comprises a light emitter made of a semiconductor or a light emitter which is of an electron exciting type. The light-emitting unit further comprises a prism array which is arranged in the vicinity of the front of the light emitter and converts output light rays from the light emitter other than those in a predetermined angle range into light rays in the angle range.
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申请公布号 |
US2004036990(A1) |
申请公布日期 |
2004.02.26 |
申请号 |
US20030430043 |
申请日期 |
2003.05.06 |
申请人 |
OLYMPUS OPTICAL CO., LTD. |
发明人 |
HANANO KAZUNARI |
分类号 |
G02F1/13;G02B5/04;G02F1/1335;G02F1/13357;G03B21/00;G03B21/14;H01L33/08;H01L33/58;(IPC1-7):G02B5/04 |
主分类号 |
G02F1/13 |
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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