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:
Oct. 21, 2008
Filed:
Nov. 30, 2004
Applicants:
Tan-ching Yen, Hsinchu, TW;
Chi-ming Cheng, Tainan, TW;
Kuang-lung Kuo, Jhongli, TW;
Inventors:
Assignee:
TPO Displays Corp., Chu-Nan, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/20 (2006.01); G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for fabricating a color filter. An imprint mask accompanied by a dry etching step is used to replace the conventional wet development process. The present invention attains the advantages of increased pattern uniformity of color elements, improved film flatness of color elements, increased resolution, reduced process time, reduced process cost, and elimination of the use of developing solvent to reduce waste treatment and environmental impact.