Publication number: 20220109120
Abstract: A compound comprising a ligand LA comprising a moiety L having a structure of Formula I is provided. In Formula I, LA coordinated to a metal M; A1 is selected from B, N, P, P?O, P?S, Al, Ga, SiR?, GeR?, and SnR?; where rings A, B, and C are 5- or 6-membered rings; Y1, Y2, and Y3 are selected from direct bonds, the metal M, and a variety of linkers; a+b+c=2 or 3; and one of a number of specific conditions is met. OLED devices, consumer products, and formulations including the compound are also provided.
Type:
Application
Filed:
November 17, 2021
Publication date:
April 7, 2022
Applicant:
Universal Display Corporation
Inventors:
MORGAN C. MACINNIS, Hsiao-Fan Chen, Tyler Fleetham, Peter Wolohan, Jerald Feldman, Jui-Yi Tsai, Pierre-Luc T. Boudreault, Alexey Borisovich Dyatkin, Zhiqiang JI, Sean Michael Ryno, Rasha Hamze, Chun Lin, Elena Sheina
Publication number: 20220085302
Abstract: A compound having a ligand LA of Formula I, is disclosed. In Formula I, ring B is a 5-membered or 6-membered ring; K is a direct bond, O, or S; X is O, S, Se, NR, CRR?, SiRR?, or GeRR?; R1 and R2 are each independently selected from a variety of substituents; each R, R?, RA, and RB is independently hydrogen or a substituent; LA is coordinated to a metal M selected from Os, Ir, Pd, Pt, Cu, Ag, or Au by the dashed lines; any two adjacent of R1, R2, R, R?, RA, or RB can be joined or fused to form a ring, with the proviso that when ring B is a 6-membered ring, two RB substituents are not joined to form a fused 6-membered aromatic ring. Organic light emitting devices, consumer products, formulations, and chemical structures containing the compounds are also disclosed.
Type:
Application
Filed:
August 17, 2021
Publication date:
March 17, 2022
Applicant:
Universal Display Corporation
Inventors:
Zhiqiang JI, Pierre-Luc T. BOUDREAULT, Tongxiang LU, Wei-Chun SHIH, Bert ALLEYNE, Hsiao-Fan CHEN
Patent number: 11233204
Abstract: A compound of the formula MLALB where ligand LA is of Formula I, and ligand LB is of Formula II below. M is selected from Os(II) or Ru(II), and the compound MLALB has a formal neutral charge; and rings A, B, C, D, E, and F are independently a 5-membered or 6-membered aromatic ring, and RA, RB, RC, RD, RE,and RF each independently represent mono to the maximum allowable substitution, or no substitution. L1, L2, L3, and L4 independently represent a single bond or an organic linking group; W1, W2, W3, and W4 are independently selected from carbon or nitrogen; Y1, Y2, Y3, and Y4 are independently selected from carbon or nitrogen; and Z1, Z2, and Z3 are independently selected from carbon or nitrogen, and at least one of Z1, Z2, and Z3 is nitrogen. An organic electroluminescent device that includes an anode, a cathode, and an organic layer comprising a compound of the formula MLALB where ligand LA is of Formula I, and ligand LB is of Formula II above.
Type:
Grant
Filed:
December 3, 2018
Date of Patent:
January 25, 2022
Assignee:
Universal Display Corporation
Inventors:
Jui-Yi Tsai, Alexey Borisovich Dyatkin, Pierre-Luc T. Boudreault, Miguel A. Esteruelas, Ana M. Lopez, Enrique Onate, Ainhoa San Torcuato
Publication number: 20220009955
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:
Application
Filed:
September 14, 2021
Publication date:
January 13, 2022
Inventors:
Alexey Borisovich Dyatkin, Jui-Yi Tsai, Walter Yeager, Pierre-Luc T. Boudreault, Zhiqiang Ji, Alan DeAngelis