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:
Aug. 06, 2013
Filed:
Jun. 09, 2006
Applicants:
Tatsuya Ishida, Tokyo, JP;
Toshiyuki Takahashi, Tokyo, JP;
Inventors:
Tatsuya Ishida, Tokyo, JP;
Toshiyuki Takahashi, Tokyo, JP;
Assignee:
Adeka Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 73/10 (2006.01); C08K 5/34 (2006.01); C08K 5/3445 (2006.01); F21V 9/00 (2006.01); G02B 5/02 (2006.01); G02C 7/10 (2006.01); G02F 1/361 (2006.01); G03B 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical filter comprising at least one dye compound (i), at least one layered clay mineral (ii), and thermoplastic substance (iii) if needed. The optical filter of the present invention is excellent in light resistance and moist heat resistance and suitable for improving the image quality and preventing glare due to external light in image display devices.