The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 16, 2021
Filed:
May. 15, 2019
Applicant:
Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd., Hubei, CN;
Inventors:
Jiajia Luo, Hubei, CN;
Qu Zhang, Hubei, CN;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 11/06 (2006.01); C07D 401/14 (2006.01); H01L 51/00 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0067 (2013.01); C07D 401/14 (2013.01); C09K 11/06 (2013.01); H01L 51/0072 (2013.01); C09K 2211/1007 (2013.01); C09K 2211/1014 (2013.01); C09K 2211/1022 (2013.01); H01L 51/5012 (2013.01); H01L 51/5072 (2013.01);
Abstract
A thermally activated delayed fluorescent material includes a structural formula (I) as follows: and D1 and D2 are different electron donors. In addition, an organic light emitting diode display device includes an anode, a cathode, and an organic functional layer disposed between the anode and the cathode. The organic functional layer includes a thermally activated delayed fluorescent material, and the thermally activated delayed fluorescent material includes a structural formula (I).