Invention Grant
- Patent Title: Poly(amide-imide) copolymer, composition for preparing same, article including same, and display device including the article
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Application No.: US16676879Application Date: 2019-11-07
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Publication No.: US12098248B2Publication Date: 2024-09-24
- Inventor: Jungha Chae , Kyeong-sik Ju
- Applicant: SAMSUNG ELECTRONICS CO., LTD. , SAMSUNG SDI CO., LTD.
- Applicant Address: KR Suwon-si
- Assignee: SAMSUNG ELECTRONICS CO., LTD.,SAMSUNG SDI CO., LTD.
- Current Assignee: SAMSUNG ELECTRONICS CO., LTD.,SAMSUNG SDI CO., LTD.
- Current Assignee Address: KR Gyeonggi-do; KR Gyeonggi-do
- Agency: CANTOR COLBURN LLP
- Priority: KR 20180136755 2018.11.08
- Main IPC: C08G73/14
- IPC: C08G73/14 ; C08G73/10 ; G02F1/1333 ; H10K77/10
Abstract:
A poly(amide-imide) copolymer that is a reaction product of a diamine represented by Chemical Formula 1, a diamine represented by Chemical Formula 2, a dicarbonyl compound represented by Chemical Formula 3, and a tetracarboxylic acid dianhydride represented by Chemical Formula 4, a composition for preparing the poly(amide-imide copolymer, and an article including the copolymer, e.g., a film are provided:
wherein, in Chemical Formulae 1 to 4, Ra, L1, L2, n1, A, R3, X, R10, R12, R13, n7 and n8 are the same as defined in the specification.
wherein, in Chemical Formulae 1 to 4, Ra, L1, L2, n1, A, R3, X, R10, R12, R13, n7 and n8 are the same as defined in the specification.
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