发明名称 |
Optical projection subsystem |
摘要 |
A projection subsystem includes a light engine that provides a collection lens, a collimator and at least one solid state light emitter. A projection lens assembly receives the image and provides a projection beam having a luminous flux level. The projection subsystem has a portability efficacy.
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申请公布号 |
US7901083(B2) |
申请公布日期 |
2011.03.08 |
申请号 |
US20070831307 |
申请日期 |
2007.07.31 |
申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
DESTAIN PATRICK R.;GRACE JENNIFER L.;DUNCAN JOHN E.;POL TOMASZ A.;PHILLIPS, III WILLIAM E.;O'KEEFE MICHAEL W.;GLINSKI ALEXANDER;WILLETT STEPHEN J. |
分类号 |
G02B21/36;G02F1/1335 |
主分类号 |
G02B21/36 |
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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