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:
Nov. 25, 2025
Filed:
Feb. 25, 2022
Applicant:
Echem Solutions Corp., Taoyuan, TW;
Inventors:
Hao Lun Huang, Taoyuan, TW;
Yi Sheng Wu, Taoyuan, TW;
Assignee:
eChem Solutions Corp., Taoyuan, TW;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03F 7/033 (2006.01); G03F 7/00 (2006.01);
U.S. Cl.
CPC ...
G03F 7/033 (2013.01); G03F 7/0005 (2013.01);
Abstract
The present disclosure provides a photoresist composition comprising an alkali soluble resin, a photopolymerizable compound, a photoinitiator, a thermal initiator, a black colorant, and a solvent, wherein the photopolymerizable compound contains at least one ethylenically unsaturated monomer and at least one epoxy compound. The present disclosure also provides an optical film and a preparing method of the optical film.
Huang, Hao. (2025). Photoresist composition, optical film thereof, and preparing method of the optical film (U.S. Patent No. 12481216). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12481216
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile