Title:
DEEP RED LIGHT THERMALLY ACTIVATED DELAYED FLUORESCENCE MATERIAL, PREPARATION METHOD THEREFOR, AND ELECTROLUMINESCENT DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/215388
Kind Code:
A1
Abstract:
Provided are a deep red light thermally activated delayed fluorescence material, a preparation method therefor, and an electroluminescent device. The deep red light thermally activated delayed fluorescence (TADF) material comprises a compound composed of a receptor A and a donor D, where said compound has a general structural formula as represented by formula 1: D-A, formula 1, wherein the receptor A is selected from any one of the structural formulae of group A, and the donor D is selected from any one of the structural formulae of group D.
Inventors:
WANG YANJIE (CN)
Application Number:
PCT/CN2019/086363
Publication Date:
October 29, 2020
Filing Date:
May 10, 2019
Export Citation:
Assignee:
WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECH CO LTD (CN)
International Classes:
C07C225/24; C07C221/00; C09K11/06; H01L51/50; H01L51/54
Foreign References:
| TW201504392A | 2015-02-01 | |||
| CN109020920A | 2018-12-18 | |||
| CN107987256A | 2018-05-04 | |||
| CN108949162A | 2018-12-07 |
Other References:
HUANG, BIN ET AL.: "Simple Aggregation-Induced Delayed Fluorescence Materials Based on Anthraquinone Derivatives for Highly Efficient Solution-Processed Red Oleds", JOURNAL OF LUMINESCENCE, vol. 187, 21 March 2017 (2017-03-21), pages 414 - 420, XP085000481, DOI: 10.1016/j.jlumin.2017.03.038
WANG, CHAO ET AL.: "Prediction of Intramolecular Charge-Transfer Excitation for Thermally Activated Delayed Fluorescence Molecules from a Descriptor-Tuned Density Functional", THE JOURNAL OF PHYSICAL CHEMISTRY, vol. 122, 17 January 2018 (2018-01-17), pages 7816 - 7823, XP055747391, DOI: 10.1021/acs.jpcc.7b10560
WANG, CHAO ET AL.: "Prediction of Intramolecular Charge-Transfer Excitation for Thermally Activated Delayed Fluorescence Molecules from a Descriptor-Tuned Density Functional", THE JOURNAL OF PHYSICAL CHEMISTRY, vol. 122, 17 January 2018 (2018-01-17), pages 7816 - 7823, XP055747391, DOI: 10.1021/acs.jpcc.7b10560
Attorney, Agent or Firm:
ESSEN PATENT&TRADEMARK AGENCY (CN)
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