Patent ID: 11910707
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Basic materials chemistry (Chemistry)
Classification: CPC H  C | IPC C  H

Claim 2:
3. An organic light-emitting device comprising:
a first electrode;
a second electrode; and
an organic layer between the first electrode and the second electrode, the organic layer comprising an emission layer and a hole transport region between the emission layer and the first electrode,
wherein the emission layer consists of one host and one or more dopants, the one host consisting of a first compound selected from the group consisting of Compounds A-115, A-134, A-149, A-153, A-187, and A-213,
the hole transport region comprises an emission auxiliary layer on the emission layer, a hole transport layer directly on the emission auxiliary layer, and a hole injection layer on the hole transport layer, and
the emission auxiliary layer comprises a second compound selected from the group consisting of Compounds E-107, E-115, and E-154,,