Title:
POLYIMIDE-BASED RESIN FILM, DISPLAY DEVICE SUBSTRATE USING SAME, AND OPTICAL DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/172103
Kind Code:
A1
Abstract:
The present invention relates to: a polyimide-based resin film comprising a polyimide-based resin including a polyimide repeating unit represented by chemical formula 1 and a polyimide repeating unit represented by chemical formula 2; a display device substrate using same; and an optical device.
Inventors:
KANG MI EUN (KR)
PARK CHAN HYO (KR)
PARK JINYOUNG (KR)
PARK CHAE WON (KR)
PARK CHAN HYO (KR)
PARK JINYOUNG (KR)
PARK CHAE WON (KR)
Application Number:
PCT/KR2023/003301
Publication Date:
September 14, 2023
Filing Date:
March 10, 2023
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
C08J5/18; C08G73/10
Foreign References:
| KR20150138758A | 2015-12-10 | |||
| KR20220012076A | 2022-02-03 | |||
| KR101837947B1 | 2018-04-27 | |||
| CN110099946A | 2019-08-06 | |||
| US20070116899A1 | 2007-05-24 |
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
Download PDF: