发明名称 |
WIDE-ANGLE PROJECTION LENS AND OPTICAL ENGINE FOR A PROJECTION DISPLAY DEVICE |
摘要 |
<p>A front projection display device having a projection module and a docking station. The docking station has a base. Further, the docking station can include an extendable arm attached to the base. The projection module contains an optical engine. The optical engine includes an illumination system, an imaging system, and a wide-angle projection lens. The optical engine outputs an image at a half field angle of at least 45°. The projected image has substantially no distortion and requires substantially no keystone correction.</p> |
申请公布号 |
KR20120026134(A) |
申请公布日期 |
2012.03.16 |
申请号 |
KR20127002043 |
申请日期 |
2004.12.03 |
申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
RODRIGUZ ERNESTO M. JR.;HUGHES PATRICIA M.;HAUSHALTER WILLIAM E.;LU KAI CHANG;SAXE STEVEN G. |
分类号 |
G02B13/04;G02B13/06;G02B13/18;G03B21/00;G03B21/30 |
主分类号 |
G02B13/04 |
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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