Patent ID: 11970508
Assignee: UNIVERSAL DISPLAY CORPORATION
Field: Organic fine chemistry (Chemistry)
Classification: CPC C  H | IPC C  H

Claim 12:
13. The compound of claim 10, wherein the compound has the Formula II:, , wherein:
M1 is Pd or Pt;
rings E and F are each independently a 5-membered or 6-membered carbocyclic or heterocyclic ring;
Z3 and Z4 are each independently C or N;
K1 and K2 are each independently selected from the group consisting of a direct bond, O, and S, wherein at least one of K1 and K2 is a direct bond;
L1, L2, and L3 are R4 each independently selected from the group consisting of a single bond, absent a bond, O, S, CR′R″, SiR′R″, BR′, and NR′, wherein at least one of L1 and L2 is present;
X3-X5 are each independently C or N;
R3 and R4 each independently represent zero, mono, or up to a maximum allowed substitution to its associated ring;
each of R′, R″, R3, and R4 is independently a hydrogen or a substituent selected from the group consisting of deuterium, fluorine, alkyl, cycloalkyl, heteroalkyl, alkoxy, aryloxy, amino, silyl, boryl, alkenyl, cycloalkenyl, heteroalkenyl, aryl, heteroaryl, nitrile, isonitrile, sulfanyl, and combinations thereof;
any two adjacent R′, R″, R2, R3, and R4 can be joined or fused together to form a ring where chemically feasible; and
Z1, Z2, R2, L, and ring A1 and A2 are all defined the same as above.