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:
Jul. 18, 2006
Filed:
Jan. 05, 2004
Kazuhiro Machiguchi, Toyonaka, JP;
Yuuji Ueda, Izumiotsu, JP;
Hiroki Endo, Shinagawa-ku, JP;
Taichi Natori, Shinagawa-ku, JP;
Toyomi Jinwaki, Kokubu, JP;
Kazuhiro Machiguchi, Toyonaka, JP;
Yuuji Ueda, Izumiotsu, JP;
Hiroki Endo, Shinagawa-ku, JP;
Taichi Natori, Shinagawa-ku, JP;
Toyomi Jinwaki, Kokubu, JP;
Sumitomo Chemical Company, Limited, Osaka, JP;
Sony Corporation, Tokyo, JP;
Abstract
A color filter array having a green filter layer on a substrate wherein the green filter layer comprises a copper phthalocyanine dye having its absorption maximum at a wavelength of 600 to 700 nm, and 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 and that at 535 nm of 62% or more is provided; and the color filter array shows excellent spectroscopic characteristics with respect to green light and has a green filter layer excellent in light fastness.