Publication number: 20220259241
Abstract: Compound of Formula I, is provided. In Formula I, rings A, B, C, and D are 5- or 6-membered rings; each of X1-X5, X21-X22, and Z1-Z3 is C or N; each of L1, L2, and L3 is selected from a direct bond or a divalent linker; each of a and b is 0 or 1; Y is 0, S, Se, or NRY; W is O, S, NRW, C?RW, or CRWRW?; up to 1 of Z1 to Z3 is N; each R, R?, RA, RB, RC, RD, RY, RW, and RW? is hydrogen or a substituent. Formulations, OLEDs, and consumer products containing the same are also disclosed.
Type:
Application
Filed:
January 7, 2022
Publication date:
August 18, 2022
Applicant:
UNIVERSAL DISPLAY CORPORATION
Inventors:
Tyler FLEETHAM, Jui-Yi TSAI, Alexey Borisovich DYATKIN, Wei-Chun SHIH, Suman LAYEK, Hsiao-Fan CHEN, Pierre-Luc T. BOUDREAULT
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: 20220098220
Abstract: A compound of the following Formula I is provided. In Formula I, A is C, B, Si, Ge, or Sn; each of X1 to X22 is independently C or N; Z1 and Z2 are each independently B or N; when A is B, one of X4, X5, X12, and X22 is N, and the remainder are C; when A is C, at least one of Z1 and Z2 is B; each of Y1, Y2, Y3, and Y4 is independently O, S, Se, NR, CRR?, SiRR?, GeRR?, and SnRR?; one of both of Y1 and Y2 are present; one of both of Y3 and Y4 are present; each R, R?, RA, RB, RC, RD, RE, and RF is independently hydrogen or a variety of substituents; and any two adjacent R, R?, RA, RB, RC, RD, RE, and RF can be joined or fused to form a ring. Devices, consumer products, and formulations including the compound are also disclosed.
Type:
Application
Filed:
August 17, 2021
Publication date:
March 31, 2022
Applicant:
Universal Dispaly Corporation
Inventors:
Peter WOLOHAN, Tyler Fleetham, Hisao-Fan Chen