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Patent Searching and Data


Title:
COLOR FILTER
Document Type and Number:
Japanese Patent JP2003057434
Kind Code:
A
Abstract:

To provide a color filter which has excellent spectroscopic characteristics and can impart high brightness and high chroma to an LCD at the same time.

The color filter has at least one red color filter segment, at least one blue color filter segment and at least one green color filter segment. A ratio (A570/A595) of absorbency (A570) to light with a wavelength of 570 nm and absorbency (A595) with a wavelength of 595 nm of at least one red color filter segment is 20 or more.


Inventors:
OKUTSU SATOSHI
TOYODA ICHIRO
FUJITA KENICHI
Application Number:
JP2001000241393
Publication Date:
February 26, 2003
Filing Date:
August 08, 2001
Export Citation:
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Assignee:
TOYO INK MFG CO
International Classes:
G03F7/004; G02B5/20; G02B5/22; G02F1/1335; (IPC1-7): G02B5/22; G02B5/20; G02F1/1335; G03F7/004
Domestic Patent References:
JPH11305032A1999-11-05
JPH10148712A1998-06-02
JP2000273346A2000-10-03
JPH05320561A1993-12-03
JP2001183518A2001-07-06
JP2001214077A2001-08-07
JPH08152617A1996-06-11
JPH0968608A1997-03-11