| 发明名称 |
OPTICAL DEVICE AND PROJECTION DISPLAY DEVICE |
| 摘要 |
PROBLEM TO BE SOLVED: To reduce light loss caused by vignetting. SOLUTION: An optical device is provided with a convergent micro lens array placed on the front side of a reflective space light modulator. The space light modulator is provided with a plurality of rear side reflectors. Each of the rear side reflectors possesses convergent condensing properties. |
| 申请公布号 |
JP2001166288(A) |
申请公布日期 |
2001.06.22 |
| 申请号 |
JP20000301392 |
申请日期 |
2000.09.29 |
| 申请人 |
SHARP CORP |
发明人 |
WOODGATE GRAHAM JOHN;ANDERSON DUNCAN JAMES;SLACK JASON;KHAZOVA MARINA VLADIMIROVNA |
| 分类号 |
G02B5/18;G02B3/00;G02B27/14;G02F1/03;G02F1/13;G02F1/1335;G03B21/00;H04N5/74;H04N9/31 |
主分类号 |
G02B5/18 |
| 代理机构 |
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代理人 |
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