| 发明名称 |
LED ILLUMINATION SYSTEM WITH POLARIZATION RECYCLING |
| 摘要 |
<p>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.</p> |
| 申请公布号 |
EP2062087(A4) |
申请公布日期 |
2012.08.01 |
| 申请号 |
EP20070813576 |
申请日期 |
2007.07.31 |
| 申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
DESTAIN, PATRICK R.;PHILLIPS, WILLIAM E., III;ENGLISH, R. EDWARD., JR. |
| 分类号 |
G02B27/18;F21K99/00;G02B27/10;G02B27/28;G02B27/30;G03B21/20 |
主分类号 |
G02B27/18 |
| 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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