The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 26, 1995
Filed:
Jun. 21, 1994
Applicant:
Inventors:
Assignee:
Sumitomo Chemical Company, Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F / ;
U.S. Cl.
CPC ...
430-7 ; 430281 ; 430288 ; 430910 ;
Abstract
A color filter having the thickness of 3 .mu.m or smaller and, on a substrate, having color filter elements which have different colors each other and are made from a resist compositions comprising an alkali soluble resin and dyes having a specific color within the wave length range from 400 nm to 700 nm, wherein each of the color filter elements has the minimum light transmittance of 25% or smaller, and the color filter is excellent in various properties such as resolution, color tone, color reproductivity and color depth and it has a small thickness.