Optical compensator and liquid crystal display l

Details Optical compensator and liquid crystal display l Optical compensator and liquid crystal display l

2007-01-30

2007-01-30

Wu, Shean C (Department: 1756)

Stock material or miscellaneous articles

Liquid crystal optical display having layer of specified...

C428S001300, C349S117000, C349S120000, C349S183000, C252S299010

Reexamination Certificate

active

11059659

ABSTRACT:
The invention relates to an optical compensator for liquid crystal displays comprisingat least one O plate retarder, andat least one twisted A plate retarder with a twist angle φ of more than 90°,and further relates to a liquid crystal display comprising such a compensator.

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patent: 2005/0259200 (2005-11-01), Skjonnemand et al.
patent: WO 97/35219 (1997-09-01), None

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