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:
Feb. 23, 2021
Filed:
Sep. 10, 2018
Samsung Electronics Co., Ltd., Suwon-si, KR;
Samsung Sdi Co., Ltd., Yongin-si, KR;
Boreum Jeong, Daejeon, KR;
Sang Soo Jee, Hwaseong-si, KR;
Won Suk Chang, Hwaseong-si, KR;
Kyeong-sik Ju, Suwon-si, KR;
Chanjae Ahn, Suwon-si, KR;
A Ra Jo, Euiwang-si, KR;
Sungwon Choi, Hwaseong-si, KR;
SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-do, KR;
SAMSUNG SDI CO., LTD., Gyeonggi-do, KR;
Abstract
A poly(amide-imide) copolymer that is a reaction product of a substituted or unsubstituted aromatic diamine having a maximum absorption wavelength in a range from 500 nanometers (nm) to 650 nm in a visible light region, a diamine represented by Chemical Formula 1, a dicarbonyl compound represented by Chemical Formula 2, and a tetracarboxylic acid dianhydride represented by Chemical Formula 3: