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. 17, 2017
Filed:
Dec. 16, 2013
Chi Mei Corporation, Tainan, TW;
Hao-Wei Liao, Kaohsiung, TW;
I-Chun Hsieh, Tainan, TW;
CHI MEI CORPORATION, Tainan, TW;
Abstract
The present invention relates to a photosensitive resin composition for black matrix, as well as a color filter and a liquid crystal display (LCD) device formed by the composition. The aforementioned photosensitive resin composition comprises an alkali-soluble resin (A), a compound containing vinyl unsaturated group(s) (B), a photo initiator (C), quinonediazide sulfonic acid ester (D), a solvent (E) and black pigment (F). The alkali-soluble resin (A) includes epoxy resin having unsaturated group(s) (A-1), which is obtained by reacting an epoxy resin (i) having at least two epoxy groups with a compound (ii) having at least one vinyl unsaturated group and carboxyl group. The aforementioned photo initiator (C) includes an O-acyloxime compound (C-1).