US 12,207,545 B2
Phosphorescent PtM2 (m=Cu,Ag,Au) complex and organic light-emitting diode thereof
Zhongning Chen, Fujian (CN); Liyi Zhang, Fujian (CN); Linxi Shi, Fujian (CN); Jinyun Wang, Fujian (CN); and Zhaoyi Wang, Fujian (CN)
Assigned to FUJIAN INSTITUTE OF RESEARCH ON THE STRUCTURE OF MATTER, CHINESE ACADEMY, Fujian (CN)
Filed by FUJIAN INSTITUTE OF RESEARCH ON THE STRUCTURE OF MATTER, CHINESE ACADEMY OF SCIENCES, Fujian (CN)
Filed on Aug. 18, 2021, as Appl. No. 17/405,229.
Claims priority of application No. 202010833421.8 (CN), filed on Aug. 18, 2020.
Prior Publication US 2022/0059782 A1, Feb. 24, 2022
Int. Cl. H10K 85/30 (2023.01); C07F 15/00 (2006.01); C09K 11/02 (2006.01); C09K 11/06 (2006.01); H10K 50/11 (2023.01); H10K 101/10 (2023.01)
CPC H10K 85/346 (2023.02) [C07F 15/0086 (2013.01); C09K 11/02 (2013.01); C09K 11/06 (2013.01); C09K 2211/1014 (2013.01); C09K 2211/185 (2013.01); C09K 2211/188 (2013.01); H10K 50/11 (2023.02); H10K 2101/10 (2023.02)] 17 Claims
 
1. A phosphorescent metal complex of formula (I) below:

OG Complex Work Unit Chemistry
wherein R1 and R2 are the same or different, and are independently selected from aryl, heteroaryl and heteroarylaryl, wherein the aryl and heteroaryl are optionally substituted with one to five substituents selected from halogen, alkyl, alkoxy, alkylthio, amino, alkylamino, dialkylamino, arylamino, diarylamino, haloalkyl, cyano, nitro, alkenyl, alkynyl, aryl, and heteroaryl optionally substituted with one to three aryl groups;
R3 is the same or different, and is independently selected from halogen, alkyl, haloalkyl, alkoxy, alkylthio, amino, alkylamino, dialkylamino, cyano, nitro, alkenyl, and alkynyl;
M is Cu(I), Ag(I) or Au(I); and
An− is an anionic group, wherein n is 1 or 2.