Patent ID: 11864458
Assignee: UNIVERSAL DISPLAY CORPORATION
Field: Basic materials chemistry (Chemistry)
Classification: CPC H  C | IPC C  H

Claim 13:
14. The compound of claim 1, wherein the compound has Formula IV, , wherein:
M is Pd or Pt;
rings X and Y are each independently a 5-membered or 6-membered carbocyclic or heterocyclic ring;
M1 and M2 are each independently C or N;
A1-A3 are each independently C or N;
K1, K2, and K3 are each independently selected from the group consisting of a direct bond, O, and S;
L1-L3 are each independently selected from the group consisting of a direct bond, O, S, CR′R″, SiR′R″, BR′, and NR′;
m, n, and o are each independently 0 or 1;
m+n+o=2 or 3;
R′, R″, RX and RY each is independently hydrogen or a substitutent selected from the group consisting of hydrogen, deuterium, halide, alkyl, cycloalkyl, heteroalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, boryl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carbonyl, carboxylic acid, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof;
RA, RB, RC, and RD each independently represents zero, mono, or up to a maximum allowed number of substitutions to its associated ring;
each of RA, RB, RC, and RD is independently a hydrogen or a substituent selected from the group consisting of deuterium, halogen, alkyl, cycloalkyl, heteroalkyl, heterocycloalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, boryl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carboxylic acid, ether, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof; and
any two adjacent RA, RB, RC, RD, RX, or RY can be joined or fused together to form a ring.