Compensator comprising a positive and negative birefringent...

Details Compensator comprising a positive and negative birefringent... Compensator comprising a positive and negative birefringent...

2007-10-16

2007-10-16

Wu, Shean C. (Department: 1756)

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

C349S121000, C428S001100, C428S001300, C428S001310, C428S001500

Reexamination Certificate

active

10440418

ABSTRACT:
The invention relates to a compensator comprising a positive and a negative birefringent retardation film, its use in displays and optical elements, and to displays comprising such a compensator.

REFERENCES:
patent: 6141075 (2000-10-01), Ohmuro et al.
patent: 6281956 (2001-08-01), Ohmuro et al.
patent: 6903789 (2005-06-01), Cutler et al.
patent: 0 538 796 (1993-04-01), None
patent: 0 768 560 (1997-04-01), None
patent: 2002 90530 (2002-03-01), None
patent: WO96/10774 (1996-04-01), None
patent: WO 01/20393 (2001-03-01), None
English translation by computer for JP 2002-90530, http://www4.ipdl.ncipi.go.jp/Tokujitu/PAJdetail.ipdl?N0000=60&N0120=01&N2001=2&N3001=2002-090530.
JP2002090530A2—English Abstract of Japan.

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