| 发明名称 |
Optical compensator and liquid crystal display l |
| 摘要 |
The invention relates to an optical compensator for liquid crystal displays comprising at least one O plate retarder, and at least one twisted A plate retarder with a twist angle phi of more than 90°, and further relates to a liquid crystal display comprising such a compensator.
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| 申请公布号 |
US7169448(B2) |
申请公布日期 |
2007.01.30 |
| 申请号 |
US20050059659 |
申请日期 |
2005.02.17 |
| 申请人 |
MERCK PATENT GMBH |
发明人 |
COATES DAVID;PARRI OWAIN LLYR;VERRALL MARK;LE MASURIER PETER |
| 分类号 |
G02B5/00;C09K19/38;G02B5/30;G02F1/00;G02F1/13363 |
主分类号 |
G02B5/00 |
| 代理机构 |
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| 地址 |
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