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.:

US 7078137 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 18, 2006

Filed:

Jan. 05, 2004
Applicants:

Kazuhiro Machiguchi, Toyonaka, JP;

Yuuji Ueda, Izumiotsu, JP;

Hiroki Endo, Shinagawa-ku, JP;

Taichi Natori, Shinagawa-ku, JP;

Toyomi Jinwaki, Kokubu, JP;

Inventors:

Kazuhiro Machiguchi, Toyonaka, JP;

Yuuji Ueda, Izumiotsu, JP;

Hiroki Endo, Shinagawa-ku, JP;

Taichi Natori, Shinagawa-ku, JP;

Toyomi Jinwaki, Kokubu, JP;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/20 (2006.01);
U.S. Cl.
CPC ...
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.


Find Patent Forward Citations

Machiguchi, Kazuhiro. (2006). Color filter array having a green filter layer (U.S. Patent No. 7078137). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7078137

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…