Liquid crystal cells – elements and systems – Particular structure – Having significant detail of cell structure only
Reexamination Certificate
2005-12-20
2005-12-20
Pyon, Harold (Department: 1772)
Liquid crystal cells, elements and systems
Particular structure
Having significant detail of cell structure only
C349S096000, C349S113000, C349S160000, C428S001100, C359S485050, C359S494010, C359S506000
Reexamination Certificate
active
06977696
ABSTRACT:
The present invention relates to an optical film having matt property and a matted film having a high transmittance which can be used for producing polarizing plates or liquid crystal display device excellent in display brightness and display quality by using the aforesaid films adjusted in a specific surface roughness or by using a specific two kinds of fine particles in a hard coat layer of the films. The present invention relates also to a polarizing plate of a high transmittance having an optical compensative capacity and matt property. A liquid crystal display device and a color liquid crystal display device using the aforesaid polarizing plate possessing an excellent viewing angle characteristics and is improved in Newton ring caused by contact with a light-tuning film and in non-uniformity in brightness due to the light-tuning film.
REFERENCES:
patent: 5583679 (1996-12-01), Ito et al.
patent: 6559915 (2003-05-01), Amimori et al.
patent: 08-050206 (1996-02-01), None
patent: 10-240143 (1998-09-01), None
Amimori Ichiro
Inoue Hiroshi
Watanabe Hidetoshi
Watanabe Jun
Buchanan & Ingersoll PC
Fuji Photo Film Co. , Ltd.
Nordmeyer Patricia L.
Pyon Harold
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