Patent ID: 11889751
Assignee: SUMITOMO CHEMICAL COMPANY LIMITED
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C  H | IPC H

Claim 2:
3. The light emitting device according to claim 2, wherein said phosphorescent compound represented by the formula (1) is a phosphorescent compound represented by the following formula (1-A):, , wherein,
M, n1, n2, E1 and A1-G1-A2 represent the same meaning as described above,
Ring L1A represents a pyridine ring, a diazabenzene ring, an azanaphthalene ring, a diazanaphthalene ring, a triazole ring or a diazole ring, and the foregoing rings optionally have a substituent, and when a plurality of the substituents are present, they may be combined together to form a ring together with carbon atoms to which they are attached and when a plurality of Rings L1A are present, they may be the same or different,
E21A, E22A, E23A and E24A each independently represent a nitrogen atom or a carbon atom, and when a plurality of E21A, E22A, E23A and E24A are present, they may be the same or different at each occurrence, and when E21A is a nitrogen atom, R21A is absent; when E22A is a nitrogen atom, R22A is absent; when E23A is a nitrogen atom, R23A is absent; and when E24A is a nitrogen atom, R24A is absent,
R21A, R22A, R23A and R24A each independently represent a hydrogen atom, an alkyl group, a cycloalkyl group, an alkoxy group, a cycloalkoxy group, an aryl group, an aryloxy group, a monovalent heterocyclic group, a substituted amino group or a halogen atom, and the foregoing groups optionally have a substituent, and when a plurality of R21A, R22A, R23A and R24A are present, they may be the same or different at each occurrence, R21A and R22A, R22A and R23A, R23A and R24A, and the substituent which Ring L1A optionally has and R21A may each be combined together to form a ring together with atoms to which they are attached, and
Ring L2A represents a benzene ring, a pyridine ring or a diazabenzene ring.