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. 11, 2026
Filed:
Jul. 27, 2022
Dongwoo Fine-chem Co., Ltd., Iksan-si, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Jin-Kyu Roh, Gangbuk-gu, KR;
Ji-Won Kim, Iksan-si, KR;
Kyu-Sang Ahn, Yeongdeungpo-gu, KR;
Hee-Suk Woo, Hwaseong-si, KR;
Jung-Min Oh, Hwaseong-si, KR;
Sang-Won Bae, Hwaseong-si, KR;
Hyo-San Lee, Hwaseong-si, KR;
Dongwoo Fine-Chem Co., Ltd., Iksan-si, KR;
Samsung Electronics CO., LTD., Suwon-si, KR;
Abstract
An etchant composition contains (A) an alkaline compound, (B) an organoaluminum, and (C) water. The composition may be used in a method of forming a pattern. The composition also may be used in a method of fabricating an array substrate.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile