Patent ID: 11871653
Assignee: UNIVERSAL DISPLAY CORPORATION
Field: Organic fine chemistry (Chemistry)
Classification: CPC H  C | IPC C  H

Claim 9:
10. The compound of claim 8, wherein LB and LC are each independently selected from the group consisting of:, wherein each Y1 to Y13 are independently selected from the group consisting of carbon and nitrogen;
wherein Y′ is selected from the group consisting of BRe, NRe, PRe, O, S, Se, C═O, S═O, SO2, CReRf, SiReRf, and GeReRf;
wherein Re and Rf can be fused or joined to form a ring;
wherein each Ra, Rb, Rc, and Rd may independently represent from mono substitution to the maximum possible number of substitution, or no substitution;
wherein each Ra, Rb, Rc, Rd, Re, and Rf is independently selected from the group consisting of hydrogen, deuterium, halide, alkyl, cycloalkyl, heteroalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, aryl, heteroaryl, nitrile, isonitrile, sulfanyl, and combinations thereof;
wherein any two adjacent substituents of Ra, Rb, Rc, and Rd can be fused or joined to form a ring or form a multidentate ligand; and
wherein the dashed lines represent the bonds to metal M.