Liquid crystal cells – elements and systems – Particular structure – Having significant detail of cell structure only
Reexamination Certificate
2006-10-17
2006-10-17
Schechter, Andrew (Department: 2871)
Liquid crystal cells, elements and systems
Particular structure
Having significant detail of cell structure only
C349S114000, C349S112000
Reexamination Certificate
active
07123321
ABSTRACT:
An object of the invention is to provide a color filter and a liquid crystal display device using the filter, which can obtain well-balanced color purities within a pixel. A color filter for coloring a first light ray L1having a unidirectional optical path and a second light ray L2having a bidirectional optical path for each pixel. The color filter includes a first area portion10tin which the first light ray L1is caused to be transmitted and a second area portion10rin which the second light ray L2is caused to be transmitted, for each pixel. The first area portion10tand the second area portion10rrespectively have structures by which different coloring effects are exerted if light rays having the same optical path and the same property pass through them.
REFERENCES:
patent: 6628355 (2003-09-01), Takahara
patent: 6636286 (2003-10-01), Baek
patent: 2001/0004276 (2001-06-01), Urabe et al.
patent: 2002/0018159 (2002-02-01), Kim et al.
patent: 2002/0167278 (2002-11-01), Yoon
patent: 2003/0011729 (2003-01-01), Song et al.
Il Miho
Inada Toshiya
Matsuura Noriyoshi
Chen W. Patty
Koninklijke Philips Electronics , N.V.
Schechter Andrew
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