Samsung patents new chemical compounds for organic light-emitting displays

1. An organometallic compound represented by Formula 1: M 1 (L 1) n1 (L 2) n2 Formula 1 wherein, in Formula 1, M 1 is a transition metal, L 1 is a ligand represented by Formula 1A, L 2 is a ligand represented by Formula 1B, and n1 and n2 are each independently 1 or 2, wherein, in Formulae 1A and 1B, X 1 is C or N, X 2 is C or N, X 3 is C or N, and X 4 is C or N, ring CY 1 and ring CY 2 are each independently a C 5 -C 30 carbocyclic group or a C 1 -C 30 heterocyclic group, ring CY 3 is a 5-membered carbocyclic group; a 5-membered heterocyclic group; a 5-membered carbocyclic group condensed with a C 5 -C 30 carbocyclic group; a 5-membered carbocyclic group condensed with a C 1 -C 30 heterocyclic group; a 5-membered heterocyclic group condensed with a C 5 -C 30 carbocyclic group; or a 5-membered heterocyclic group condensed with a C 1 -C 30 heterocyclic group, ring CY 4 is a 6-membered carbocyclic group; a 6-membered heterocyclic group; a 6-membered carbocyclic group condensed with a C 5 -C 30 carbocyclic group; a 6-membered carbocyclic group condensed with a C 1 -C 30 heterocyclic group; a 6-membered heterocyclic group condensed with a C 5 -C 30 carbocyclic group; or a 6-membered heterocyclic group condensed with a C 1 -C 30 heterocyclic group, Z 1 and Z 2 are each independently —Si(Q 1)(Q 2)(Q 3) or —Ge(Q 1)(Q 2)(Q 3), a1 and a2 are each independently an integer from 0 to 10, a sum of a1 and a2 is 1 or greater, Y 1 and Y 2 are each independently O, S, Se, N(R 51), B(R 52), C(R 53)(R 54), Si(R 55)(R 56), or Ge(R 57)(R 58), R 1 to R 4, R 10a, R 41, R 42, and R 51 to R 58 are each independently hydrogen, deuterium, —F, —Cl, —Br, —I, —SF 5, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine group, a hydrazone group, a carboxylic acid group or a salt thereof, a sulfonic acid group or a salt thereof, a phosphoric acid group or a salt thereof, a substituted or unsubstituted C 1 -C 60 alkyl group, a substituted or unsubstituted C 2 -C 60 alkenyl group, a substituted or unsubstituted C 2 -C 60 alkynyl group, a substituted or unsubstituted C 1 -C 60 alkoxy group, a substituted or unsubstituted C 1 -C 60 alkylthio group, a substituted or unsubstituted C 3 -C 10 cycloalkyl group, a substituted or unsubstituted C 1 -C 10 heterocycloalkyl group, a substituted or unsubstituted C 3 -C 10 cycloalkenyl group, a substituted or unsubstituted C 1 -C 10 heterocycloalkenyl group, a substituted or unsubstituted C 6 -C 60 aryl group, a substituted or unsubstituted C 7 -C 60 alkyl aryl group, a substituted or unsubstituted C 7 -C 60 aryl alkyl group, a substituted or unsubstituted C 6 -C 60 aryloxy group, a substituted or unsubstituted C 6 -C 60 arylthio group, a substituted or unsubstituted C 1 -C 60 heteroaryl group, a substituted or unsubstituted C 2 -C 60 alkyl heteroaryl group, a substituted or unsubstituted C 2 -C 60 heteroaryl alkyl group, a substituted or unsubstituted C 1 -C 60 heteroaryloxy group, a substituted or unsubstituted C 1 -C 60 heteroarylthio group, a substituted or unsubstituted monovalent non-aromatic condensed polycyclic group, a substituted or unsubstituted monovalent non-aromatic condensed heteropolycyclic group, —Si(Q 1)(Q 2)(Q 3), —Ge(Q 1)(Q 2)(Q 3), —N(Q 4)(Q 5), —B(Q 6)(Q 7), —P(Q 8)(Q 9), or —P(═O)(Q 8)(Q 9), b1 to b4 are each independently an integer from 1 to 10, * and *′ each indicate a binding site to M 1, two or more of R 1 are optionally linked together to form a C 5 -C 30 carbocyclic group that is unsubstituted or substituted with at least one R 10a, or a C 1 -C 30 heterocyclic group that is unsubstituted or substituted with at least one R 10a, two or more of R 2 are optionally linked together to form a C 5 -C 30 carbocyclic group that is unsubstituted or substituted with at least one R 10a, or a C 1 -C 30 heterocyclic group that is unsubstituted or substituted with at least one R 10a, one or more of R 1 and one or more of R 2 are optionally linked together to form a C 5 -C