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:
Mar. 10, 1998
Filed:
Jan. 22, 1997
Applicant:
Inventors:
Assignee:
Sumitomo Chemical Company, Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ; G02F / ;
U.S. Cl.
CPC ...
430-7 ;
Abstract
A color filter comprising a transparent substrate, more than one transparent, electrically conductive circuit provided on a surface of the transparent substrate, window-shaped, colored coating films on the more than one transparent, electrically conductive circuit, and frame-shaped light-screening coating films interlaced between the window-shaped, colored coating films, the frame-shaped light-screening coating films having a larger film thickness than the window-shaped, colored coating films, which is free from the leakage of light from around each of the colored coating films so that it provides high contrast image and its method of manufacture.