发明名称 |
Optical projection system and image display device having the same |
摘要 |
An optical projection system which creates pincushion distortion of an image and then creates a barrel distortion of the pincushion-distorted image to compensate for the pincushion distortion and then projects an enlarged image without substantial distortion onto an image display surface. An embodiment includes a polynomial reflector to compensate for the pincushion distortion, to enlarge an image, and to project the enlarged image toward a screen.
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申请公布号 |
US7370977(B2) |
申请公布日期 |
2008.05.13 |
申请号 |
US20050034982 |
申请日期 |
2005.01.14 |
申请人 |
SAMSUNG ELECTRONICS CO., LTD. |
发明人 |
LEE JONG-SOO |
分类号 |
G03B21/14;G02B15/14;G02B17/00;G02B27/18;G03B21/00;G03B21/20;G03B21/22;H04N5/74;H04N9/31 |
主分类号 |
G03B21/14 |
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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