| CPC H10K 85/6574 (2023.02) [H10K 85/622 (2023.02); H10K 85/631 (2023.02); H10K 85/6572 (2023.02); H10K 50/11 (2023.02); H10K 50/18 (2023.02); H10K 2101/10 (2023.02); H10K 2101/40 (2023.02)] | 20 Claims |
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1. 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, and
wherein the first compound comprises an organic compound selected from:
   the second compound comprises an organic compound having the following structure of Chemical Formula 3:
 wherein each of R11 and R12 is independently protium, deuterium, tritium, an unsubstituted or substituted C1-C10 alkyl group or an unsubstituted or substituted fused hetero aromatic group selected from the group consisting of a carbazole moiety, an acridinyl moiety, a dihydro acridinyl moiety, a phenazinyl moiety and a phenoxazinyl moiety, wherein the fused hetero aromatic group can form a spiro structure, and at least one of R11 and R12 is the fused hetero aromatic group; and each of R13 and R14 is independently an unsubstituted or substituted C6-C20 aryl group or an unsubstituted or substituted C3-C30 hetero aryl group, wherein each of R13 and R14 is independently link directly or via a C6-C20 arylene ring to boron atom or to the benzene ring, or R13 and R14 form a fused hetero aromatic ring containing at least one oxygen atom;
or selected from:
  and the fourth compound comprises an organic compound selected from:
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