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:
Mar. 08, 2005
Filed:
Jun. 29, 2001
Kazuhiro Machiguchi, Toyonaka, JP;
Yuuji Ueda, Izumiotsu, JP;
Hiroki Endo, Tokyo, JP;
Yoshinori Uchida, Tokyo, JP;
Yukihiro Sayama, Kokubu, JP;
Kazuhiro Machiguchi, Toyonaka, JP;
Yuuji Ueda, Izumiotsu, JP;
Hiroki Endo, Tokyo, JP;
Yoshinori Uchida, Tokyo, JP;
Yukihiro Sayama, Kokubu, JP;
Sumitomo Chemical Company, Limited, Osaka, JP;
Sony Corporation, Tokyo, JP;
Abstract
A color filter array having a yellow filter layer on a substrate wherein the yellow filter layer comprises a pyridone azo dye having its absorption maximum at a wavelength of 400 to 500 nm; and has a transmittance at a wavelength of 450 nm of 5% or less, that at 535 nm of 80% or more and that at 650 nm of 90% or more is provided; the color filter array shows excellent spectroscopic characteristics with respect to yellow light, is capable of forming a pattern with a short time exposure and has a yellow filter layer excellent in light fastness; and a photosensitive resin composition with which a pattern can be formed with a short time exposure is also provided.