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:
Jan. 21, 2003
Filed:
Aug. 26, 1999
Applicant:
Inventors:
Hiromitsu Ito, Tokyo, JP;
Hidesato Hagiwara, Tokyo, JP;
Tadashi Hosono, Tokyo, JP;
Mizuhiro Tani, Tokyo, JP;
Assignee:
Toppan Printing Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/20 ; G02F 1/1335 ;
U.S. Cl.
CPC ...
G02B 5/20 ; G02F 1/1335 ;
Abstract
A color filter includes a plurality of colored layers which are arranged adjacently to each other and have different spectroscopic properties. At least one colored layer contains a dye chemically bonded to a polymer chain.