Patent ID: 11950495
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Organic fine chemistry (Chemistry)
Classification: CPC H  C | IPC C  H

Claim 3:
4. The organic light-emitting device of claim 1, wherein,
L2 in Formula 1 is a ligand represented by one of Formulae A4-1 and A4-1(2):, wherein, in Formulae A4-1(1) and A4-1(2),
X4 is the same as described in claim 1,
X40a is a single bond, O, S, S(═O)2, C(R40a)(R40b), Si(R40a)(R40b), N(R40a), or B(R40a),
X40c is O, S, C(R40c)(R40d), Si(R40c)(R40d), or N(R40c),
X40e is O, S, C(R40e)(R40f), Si(R40e)(R40f), or N(R40e),
X40g is N, B, or P,
X41 is N or C(R41), X42 is N or C(R42), X43 is N or C(R43), X44 is N or C(R44), X45 is N or C(R45), X46 is N or C(R46), X47 is N or C(R47), X48 is N or C(R48), and X49 is N or C(R49),
R40a to R40f and R41 to R49 are each independently the same as defined in connection with R4, and
* indicates a binding site to M in Formula 1.