Patent ID: 11957046
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Basic materials chemistry (Chemistry)
Classification: CPC C  H | IPC H

Claim 2:
3. The electroluminescent device of claim 2, wherein the first hole transporting material comprises a compound represented by Chemical Formula 2:, wherein, in Chemical Formula 2,
X3, X4, L2, j, k, l, and m are the same as defined in Chemical Formula 1 of claim 2,
R1 and R2 is each independently the unsubstituted C4 to C20 alkyl group,
R3 to R8 are each independently a substituted or unsubstituted C4 to C20 alkyl group, a substituted or unsubstituted C3 to C20 cycloalkyl group, a substituted or unsubstituted C6 to C20 aryl group, a substituted or unsubstituted C3 to C20 heteroaryl group, a substituted or unsubstituted C2 to C40 alkylamine group, or a substituted or unsubstituted C12 to C40 arylamine group.