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:
May. 11, 2004
Filed:
Jun. 29, 2001
Applicant:
Inventors:
Kazuhiro Machiguchi, Toyonaka, JP;
Yuuji Ueda, Izumiotsu, JP;
Hiroki Endo, Tokyo, JP;
Taichi Natori, Tokyo, JP;
Toyomi Jinwaki, Kokubu, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03F 7/00 ;
U.S. Cl.
CPC ...
G03F 7/00 ;
Abstract
A color filter array having a red filter layer on a substrate wherein the red filter layer comprises a xanthene dye having its absorption maximum at a wavelength of 500 to 600 nm, and a pirazolone azo dye having its absorption maximum at a wavelength of 400 to 550 nm; and has a transmittance at a wavelength of 535 nm of 1% or less and that at 650 nm of 90% or more; and the color filter array shows excellent spectroscopic characteristics with respect to red light and has a red filter layer excellent in light fastness.