Publication number: 20140054563
Abstract: Phosphorescent materials are provided, where the materials comprise a coordination compound having at least one ligand L3 having Formula (I): wherein A and B are each independently a 5-membered or 6-membered carbocyclic or heterocyclic ring; wherein RA, RB, RC, and RD each represent mono, di, tri, tetra substitutions, or no substitution; wherein Z1, Z2, Z3, Z4, Z5, Z6, Z7, and Z8 are each selected from N or C; wherein at least one of Z1, Z2, Z3, Z4, Z5, Z6, Z7, and Z8 is N; wherein one of Z1, Z2, Z3, and Z4 is C that is bonded to N of A; wherein Z is selected from the group consisting of BR, NR, PR, O, S, Se, C?O, S?O, SO2, CRR?, SiRR?, and GeRR?; wherein R, R?, RA, RB, RC, and RD are described herein; wherein L3 is coordinated to a metal M1; and wherein L3 may be linked with other ligands to comprise a tridentate, tetradentate, pentadentate, or hexadentate ligand. Devices, such as organic light emitting devices, comprising such compounds are also provided.
Type:
Application
Filed:
March 13, 2013
Publication date:
February 27, 2014
Applicant:
Universal Display Corporation
Inventors:
Chuanjun Xia, Chun Lin, Gregg Kottas, Zeinab Elshenawy
Publication number: 20130341600
Abstract: A phenzasilin comprising compound, and devices and formulations including the same are described. The compound includes a ligand L1 including: wherein E1 is N, E2 is Si, and R4 and R5 represent mono, di, tri, tetra substitutions or no substitution; wherein R1, R2, R3, R4, and R5 are each independently selected from the group consisting of hydrogen, deuterium, halide, alkyl, cycloalkyl, heteroalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carbonyl, carboxylic acids, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof, and any two adjacent R1, R2, R3, R4, and R5, are optionally joined to form a ring, which may be further substituted; wherein L1 is coordinated to metal M, which has an atomic weight higher than 40, provided that the metal M does not form bond with E1 and E2; and wherein L1 may be linked with other ligands.
Type:
Application
Filed:
March 13, 2013
Publication date:
December 26, 2013
Applicant:
Universal Display Corporation
Inventors:
Chun Lin, Chuanjun Xia, Gregg Kottas, Zeinab Elshenawy