Title:
HIGH-PERFORMANCE SKY-BLUE THERMALLY ACTIVATED DELAYED FLUORESCENT MATERIAL, AND PREPARATION METHOD THEREFOR AND APPLICATION THEREOF
Document Type and Number:
WIPO Patent Application WO/2021/135035
Kind Code:
A1
Abstract:
The present invention relates to a high-performance sky-blue thermally activated delayed fluorescent material, and a preparation method therefor and an application thereof. According to the present invention, the problems in the prior art are solved, a series of sky-blue thermally activated delayed fluorescent materials having low single triplet-state energy level differences, high luminous efficiency and rapid reverse intersystem crossing constants are synthesized by means of an ingenious molecular design; moreover, fine adjustment of the structure is realized to achieve fine adjustment of a spectrum.
Inventors:
LUO JIAJIA (CN)
Application Number:
PCT/CN2020/090216
Publication Date:
July 08, 2021
Filing Date:
May 14, 2020
Export Citation:
Assignee:
WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECH CO LTD (CN)
International Classes:
C07D409/10; C07D339/08; C07D413/10; C09K11/06; H01L51/54
Foreign References:
| CN104592194A | 2015-05-06 | |||
| CN108794533A | 2018-11-13 | |||
| CN106831744A | 2017-06-13 | |||
| US20180159050A1 | 2018-06-07 | |||
| CN109776490A | 2019-05-21 | |||
| CN109678851A | 2019-04-26 | |||
| CN109970642A | 2019-07-05 |
Other References:
XIE GAOZHAN, LI XIANGLONG, CHEN DONGJUN, WANG ZHIHENG, CAI XINYI, CHEN DONGCHENG, LI YUNCHUAN, LIU KUNKUN, CAO YONG, SU SHI-JIAN: "Evaporation- and Solution-Process-Feasible Highly Efficient Thianthrene-9,9′,10,10′-Tetraoxide-Based Thermally Activated Delayed Fluorescence Emitters with Reduced Efficiency Roll-Off", ADVANCED MATERIALS, VCH PUBLISHERS, vol. 28, no. 1, 1 January 2016 (2016-01-01), pages 181 - 187, XP055826084, ISSN: 0935-9648, DOI: 10.1002/adma.201503225
CAI XINYI, QIAO ZHENYANG, LI MENGKE, WU XIAO, HE YANMEI, JIANG XIAOFANG, CAO YONG, SU SHI‐JIAN: "Purely Organic Crystals Exhibit Bright Thermally Activated Delayed Fluorescence", ANGEWANDTE CHEMIE INTERNATIONAL EDITION, VERLAG CHEMIE, DE, vol. 58, no. 38, 16 September 2019 (2019-09-16), DE, pages 13522 - 13531, XP055826086, ISSN: 1433-7851, DOI: 10.1002/anie.201906371
CAI XINYI, QIAO ZHENYANG, LI MENGKE, WU XIAO, HE YANMEI, JIANG XIAOFANG, CAO YONG, SU SHI‐JIAN: "Purely Organic Crystals Exhibit Bright Thermally Activated Delayed Fluorescence", ANGEWANDTE CHEMIE INTERNATIONAL EDITION, VERLAG CHEMIE, DE, vol. 58, no. 38, 16 September 2019 (2019-09-16), DE, pages 13522 - 13531, XP055826086, ISSN: 1433-7851, DOI: 10.1002/anie.201906371
Attorney, Agent or Firm:
PURPLEVINE INTELLECTUAL PROPERTY (SHENZHEN) CO., LTD. (CN)
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