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Title:
METHOD FOR MANUFACTURING COLORING COMPOSITION FOR COLOR FILTER, COLORING COMPOSITION FOR COLOR FILTER, METHOD FOR MANUFACTURING COLOR FILTER AND COLOR FILTER
Document Type and Number:
Japanese Patent JP2005242335
Kind Code:
A
Abstract:

To provide a method for manufacturing coloring composition for a color filter by which a color filter excellent in luminance, color purity and contrast is formed.

In the method for manufacturing the coloring composition for the color filter, mixture composed of pigments, a dispersant, resin varnish and a solvent is distributed by using microbeads with diameter of 0.02 to <0.2 mm in a distributing machine. Thus, the coloring composition for the CF in which the average particle size of the pigment is small and storage stability is excellent, is stably manufactured.


Inventors:
SAKAMOTO SHIGERU
TSUCHIYA YOSHIMASA
TAKAGAMO MASANORI
HOSODA TORU
YOSHIDA AKIO
NAKAMURA MICHIEI
Application Number:
JP2005016948A
Publication Date:
September 08, 2005
Filing Date:
January 25, 2005
Export Citation:
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Assignee:
DAINICHISEIKA COLOR CHEM
International Classes:
G02B5/22; G02B5/20; (IPC1-7): G02B5/22; G02B5/20
Domestic Patent References:
JPS61133149A1986-06-20
JP2001343517A2001-12-14
Attorney, Agent or Firm:
Toshieko Kondo
Katsuhiro Yoshida