Publication number: 20240122059
Abstract: A compound of Formula I, is provided. In Formula I, one of Z1, Z2, and Z3 is N and the remainder are C; each of L1 and L2 is independently selected from a direct bond and a linking group; at least one of R1, R2, RA, RB, RC, RD, and RE comprises a group R* having a structure selected form the group consisting of Formula II, -Q(R3)(R4)a(R5)b, Formula III, and Formula IV, Each R, R?, R?, R1, R2, R3, R4, R5, RA, RB, RC, RD, RE, RF, RG, and RH is independently hydrogen or a General Substituent, with the proviso that group R* is not adamantyl. Formulations, OLEDs, and consumer products containing the compound are also provided.
Type:
Application
Filed:
September 27, 2023
Publication date:
April 11, 2024
Applicant:
UNIVERSAL DISPLAY CORPORATION
Inventors:
Hsiao-Fan CHEN, Geza SZIGETHY, Rasha HAMZE, Nicholas J. THOMPSON, Hojae CHOI, Weiye GUAN, Raghupathi NEELARAPU, Charles J. STANTON, Douglas WILLIAMS, Ving Jick LEE, Joseph A. MACOR, Dmitry ANDRIANOV, Chao LIANG, Steven Kit CHOW, Tyler FLEETHAM, Peter WOLOHAN, Morgan C. MACINNIS
Publication number: 20220393117
Abstract: Compounds of Formula I, and Formula IIa, Formula IIb, are provided. In these structures, M is Pt or Pd; each of X1 to X6, X9 to X12, and Z1 to Z3 is C or N; each of L1, L2, L3, and L4 is a direct bond or a linker; at least three of L1, L2, L3, and L4 are present; each K1, K2, and K3 is a bond, O, or S; when Z1 is N, ring A in Formula I is not a pyridine or pyrazole; L5 is a bond or an organic linker; Y is selected from the group consisting of amino, alkoxy, aryloxy, or SiR1R2R3; when Y is SiR1R2R3, L2 is not BR. Devices, consumer products, and formulations containing these compounds are also disclosed.
Type:
Application
Filed:
April 18, 2022
Publication date:
December 8, 2022
Applicant:
UNIVERSAL DISPLAY CORPORATION
Inventors:
Hsiao-Fan CHEN, Tyler FLEETHAM, Rasha HAMZE, Morgan C. MACINNIS, Nicholas J. THOMPSON, Fadi M. JRADI, Jason BROOKS, Charles J. STANTON, Dmitry ANDRIANOV, Olexandr TRETYAK, Douglas WILLIAMS