Patent number: 12325721
Abstract: The present disclosure provides an organic compound, said compound having a structure as represented by Formula (1) below, in which at least one among Q1, Q2, and Q3 is (aa), and (bb) indicates a connective bond; n1 and n2 are the same or different, and are respectively independently selected from 0, 1, 2, 3, or 4; n3 and n4 are the same or different, and are respectively independently selected from 0, 1, 2, 3, 4, or 5; n5 is selected from 0, 1, 2, or 3; R1, R2, R3, R4, and R5 are the same or different, and are respectively independently selected from deuterium, cyano, halogen, a substituted or unsubstituted alkyl having 1 to 10 carbon atoms, a substituted or unsubstituted aryl having 6 to 40 carbon atoms, a substituted or unsubstituted heteroaryl having 2 to 40 carbon atoms, or a substituted or unsubstituted arylamine having 6 to 40 carbon atoms.
Type:
Grant
Filed:
November 26, 2020
Date of Patent:
June 10, 2025
Assignee:
SHAANXI LIGHTE OPTOELECTRONICS MATERIAL CO., LTD.
Inventors:
Qiqi Nie, Tiantian Ma, Jiamei Cao
Patent number: 12240865
Abstract: A compound comprising a first bidentate ligand LA, wherein LA comprises a structure of Formula I; wherein Z is selected from the group consisting of O, S, NR, BR, CRKRL, C?CRKRL, SiRKRL, —CRKRLCRMRN—, —SiRKRLSiRMRN—, —CRKRLO—, —SiRKRLO—, and —CRK?CRL—; wherein ring A, ring B, and ring C are each independently a 5-membered carbocyclic ring, 5-membered heterocyclic ring, 6-membered carbocyclic ring or 6-membered heterocyclic ring; wherein LA is coordinated to a metal M forming a 5-membered chelate ring; wherein M is selected from the group consisting of Ir, Pt, Pd, Ru, Rh, Os, Re, Cu, Ag, and Au; wherein RA, RB, and RC each represent mono to the maximum allowable substitution, or no substitution; wherein each R, RK, RL, RM, RN, RA, RB, and RC is independently a hydrogen or a substituent selected from the group consisting of deuterium, halogen, alkyl, cycloalkyl, heteroalkyl, heterocycloalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, germyl, boryl, selenyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, a
Type:
Grant
Filed:
September 14, 2021
Date of Patent:
March 4, 2025
Inventors:
Alexey Borisovich Dyatkin, Jui-Yi Tsai, Walter Yeager, Pierre-Luc T. Boudreault, Zhiqiang Ji, Alan DeAngelis