Patent ID: 11925042
Assignee: BOE TECHNOLOGY GROUP CO., LTD.
Field: nan (nan)
Classification: CPC H | IPC H

Claim 13:
14. The organic electroluminescent device according to claim 13, wherein:
when the P:N ratio is 4:6,

0.10 eV≤HOMO(HTL)−HOMO(EBL)≤0.20 eV, and  (2)

1.00≤LUMO(HBL)−LUMO(ETL)≤1.10 eV;

when the P:N ratio is 3:7,

0.10 eV≤HOMO(HTL)−HOMO(EBL)≤0.20 eV, and  (2)

0.50≤LUMO(HBL)−LUMO(ETL)≤1.0 eV.