Liquid crystal cells – elements and systems – Particular structure – Having significant detail of cell structure only
Reexamination Certificate
2011-05-24
2011-05-24
Chien, Lucy P (Department: 2871)
Liquid crystal cells, elements and systems
Particular structure
Having significant detail of cell structure only
C349S117000, C349S119000
Reexamination Certificate
active
07948591
ABSTRACT:
To provide a retardation film in which the retardation condition is adjusted to achieve a liquid crystal display without coloration over a wide viewing angle range and having a high contrast ratio, and a method of designing the same, as well as a polarizing film and a liquid crystal display using the same. A liquid crystal display comprising a liquid crystal cell and polarizing films in a Cross-Nicol relationship with each other on both sides of the liquid crystal cell; wherein at least one polarizing film includes a retardation film having reverse wavelength dispersion property; and the liquid crystal display further includes a retardation film having a wavelength dispersion property substantially the same as a liquid crystal layer configuring the liquid crystal cell.
REFERENCES:
patent: 5374493 (1994-12-01), Fukunaga et al.
patent: 5598285 (1997-01-01), Kondo et al.
patent: 5737051 (1998-04-01), Kondo et al.
patent: 6124915 (2000-09-01), Kondo et al.
patent: 6141075 (2000-10-01), Ohmuro et al.
patent: 6281956 (2001-08-01), Ohmuro et al.
patent: 6285430 (2001-09-01), Saito
patent: 6339460 (2002-01-01), Saitoh
patent: 6341004 (2002-01-01), Kondo et al.
patent: 6407787 (2002-06-01), Sekime et al.
patent: 6549257 (2003-04-01), Liu
patent: 6565974 (2003-05-01), Uchiyama et al.
patent: 6642981 (2003-11-01), Ohmuro et al.
patent: 6661488 (2003-12-01), Takeda et al.
patent: 6812983 (2004-11-01), Arakawa
patent: 7012663 (2006-03-01), Ono et al.
patent: 2002/0063822 (2002-05-01), Kondo et al.
patent: 2004/0189923 (2004-09-01), Kondo et al.
patent: 2004/0202849 (2004-10-01), Nishikouji et al.
patent: 2004/0239852 (2004-12-01), Ono et al.
patent: 2005/0248704 (2005-11-01), Ohmuro et al.
patent: 2006/0098145 (2006-05-01), Kim et al.
patent: 2006/0203150 (2006-09-01), Ohmuro et al.
patent: 679921 (1995-11-01), None
patent: 06-160878 (1994-06-01), None
patent: 10-153802 (1998-06-01), None
patent: 11-258605 (1999-09-01), None
patent: 11-305217 (1999-11-01), None
patent: 2000-039610 (2000-02-01), None
patent: 2000-131693 (2000-05-01), None
patent: 2000-137116 (2000-05-01), None
patent: 2001-350022 (2001-12-01), None
patent: 2001-350022 (2001-12-01), None
patent: 1999-004389 (1999-01-01), None
patent: 2001-0033765 (2001-04-01), None
patent: 2001-0105255 (2001-11-01), None
patent: 2003-0079513 (2003-10-01), None
patent: 03/032060 (2003-04-01), None
International Search Report for PCT/JP2005/011828 mailed Oct. 18, 2005 (English and Japanese).
Chen et al.,Optimum Film Compensation Modes for TN and VA LCDs, SID 98 Digest, 1998, pp. 315-318.
Ono et al.,Wavelength Dispersion effects of Retardation Films on VA-LCDs, IDW '02 Proceedings of the Ninth International Display Workshops, 2002, pp. 525-528.
Chen et al.,Optical Simulation of Electro-Optical Performance of Low-And Multi-Domain TN Displays, SID 97 Digest, 1997, pp. 937-940.
Takasaki,Crystal Optics, 1975, pp. 146-163.
Uchiyama et al, “Novel Design Method Using Birefringence Dispersion Control of Retardation Films for a High Contrast LCD in Wide Viewing Angle Range”, IDW04FMC8-2, 2004, pp. 647-560.
Takasaki, “Display and Handling of Polarization Based on Poincare Sphere”,Crystal Optics, 1975, pp. 146-163 w/English translation.
Chien Lucy P
Nixon & Vanderhye P.C.
Sharp Kabushiki Kaisha
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