Title:
POLYIMIDE BASE MATERIAL AND MANUFACTURING METHOD THEREFOR, AND DISPLAY PANEL
Document Type and Number:
WIPO Patent Application WO/2021/196431
Kind Code:
A1
Abstract:
A polyimide base material and a manufacturing method therefor, and a display panel. The manufacturing method for the polyimide base material comprises: providing diamine containing a dioxazole structure; performing a polymerization reaction on fluorine-containing dianhydride and the diamine containing the dioxazole structure so as to generate polyamide acid containing oxazole and fluorine; and dehydrating and cyclizing the polyamide acid containing the oxazole and fluorine so as to generate polyimide containing the oxazole and fluorine, and performing film-forming so as to form the polyimide base material. The light transmitting property of the polyimide base material is improved.
Inventors:
WANG YAMIN (CN)
Application Number:
PCT/CN2020/098727
Publication Date:
October 07, 2021
Filing Date:
June 29, 2020
Export Citation:
Assignee:
WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECH CO LTD (CN)
International Classes:
C08G73/10; C08L79/08
Foreign References:
| CN110643040A | 2020-01-03 | |||
| CN102634021A | 2012-08-15 | |||
| CN107892745A | 2018-04-10 | |||
| CN105566630A | 2016-05-11 | |||
| CN111303423A | 2020-06-19 | |||
| US20070106056A1 | 2007-05-10 | |||
| EP0387062A2 | 1990-09-12 |
Attorney, Agent or Firm:
PURPLEVINE INTELLECTUAL PROPERTY (SHENZHEN) CO., LTD. (CN)
Download PDF: