Patent ID: 11968898
Assignee: LG DISPLAY CO., LTD.
Field: nan (nan)
Classification: CPC H | IPC H

Claim 8:
9. An organic light emitting diode, comprising:
a first electrode;
a second electrode facing the first electrode; and
an emitting material layer disposed between the first and second electrodes,
wherein the emitting material layer comprises a first emitting material layer disposed between the first and second electrodes and a second emitting material layer disposed between the first emitting material layer and the second electrode,
wherein the first emitting material layer comprises a first compound, a second compound and a third compound, and the second emitting material layer comprises a fourth compound and a fifth compound,
wherein the first compound comprises an organic compound selected from:, the fourth compound comprises an organic compound selected from:, , and
wherein an energy level bandgap (ΔESTTD) between an excited singlet energy level (S1TD) and an excited triplet energy level (T1TD) of the second compound is about 0.3 eV or less.