AZO COLOR FOR COLOR FILTER AND PROCESS FOR PRODUCING COLOR FILTER

Title:

AZO COLOR FOR COLOR FILTER AND PROCESS FOR PRODUCING COLOR FILTER

Document Type and Number:

WIPO Patent Application WO/1994/018274

Kind Code:

A1

Abstract:

An azo color for color filters which has at least one monosubstituted sulfonamide group in its molecule and is soluble in an aqueous alkali solution and organic solvents, and a process for producing a color filter having a number of colored filter elements which comprises the step (a) of forming an adherent layer by coating a substrate with a solution of a photoresist composition containing the azo colors in an organic solvent and drying the coating, the step (b) of exposing a predetermined part of the adherent layer to a radiation, the step (c) of forming a colored pattern by the alkaline development of an exposed or nonexposed area, and the step (d) of repeating the steps (a) through (c) with each of the different colors contained in the above composition.

More Like This:

JPS6025962	MANUFACTURE OF 2-KETONE SULFONAMIDES
JPS54126233	AZO HYDRAZO ANTHRAQUINONE COMPOUND
JPS53113831	AZO DYE AND METHOD OF MAKING AND USING SAME

Inventors:

HISHIRO YOSHIKI (JP)
TAKEYAMA NAOKI (JP)
YAMAMOTO SHIGEKI (JP)

Application Number:

PCT/JP1994/000135

Publication Date:

August 18, 1994

Filing Date:

February 01, 1994

Export Citation:

Click for automatic bibliography generation Help

Assignee:

SUMITOMO CHEMICAL CO (JP)
HISHIRO YOSHIKI (JP)
TAKEYAMA NAOKI (JP)
YAMAMOTO SHIGEKI (JP)

International Classes:

C09B29/01; C09B29/15; C09B29/30; C09B29/50; C09B35/18; C09B35/205; C09B43/32; G02B5/20; G02B5/22; (IPC1-7): C09B29/10; C09B29/28; C09B35/03; C09B69/00; G02B5/20

Foreign References:

JPH02108004A	1990-04-19
JPS6488505A	1989-04-03
JPH02287402A	1990-11-27
JPH04283701A	1992-10-08
JPH01293339A	1989-11-27

Other References: