Patent ID: 11930651
Assignee: BOE TECHNOLOGY GROUP CO., LTD.
Field: nan (nan)
Classification: CPC H | IPC H

Claim 9:
10. The organic electroluminescence element according to claim 9, further comprising a hole transport layer disposed between the anode and the organic light emitting layer, the hole transport layer comprising a hole transport material; wherein
a difference between a HOMO energy level of the hole transport layer and the HOMO energy level of the host material is less than 0.2 eV; or
a triplet energy level of the hole transport material is greater than a triplet energy level of the host material, the triplet energy level of the hole transport material is greater than a triplet energy level of the TADF sensitizer, and the triplet energy level of the hole transport material is greater than a triplet energy level of the fluorescent luminescent material.