Organic electric element, display panel comprising the same and display device comprising the same

An organic electric element comprising:

• a first electrode;
• a second electrode;
• and
• an organic layer positioned between the first electrode and the second electrode, the organic layer comprising:
• a first stack comprising a first emitting layer,
• a second stack comprising a second emitting layer, and
• a charge generating layer positioned between the first stack and the second stack, the charge generating layer comprising:
• a first layer comprising:
• a first compound represented by one or more of chemical formula 1 and chemical formula 2, and
• a second compound, and
• a second layer comprising a third compound represented by chemical formula 4:
• in chemical formula 1 and chemical formula 2,
• R1 to R6, which are same or different, are each independently one selected from the group consisting of a hydrogen;
• a deuterium;
• a tritium;
• a halogen;
• a cyano group;
• a nitro group;
• a C6-C60 aryl group;
• a fluorenyl group;
• a C2-C60 hetero ring group containing at least one hetero atom from O, N, S, Si and P;
• a fused ring group of a C3-C60 aliphatic ring and a C6-C60 aromatic ring;
• a C1-C50 alkyl group;
• a C2-C20 alkenyl group;
• a C2-C20 alkynyl group;
• a C1-C30 alkoxy group;
• a C6-C30 aryloxy group;
• a C3-C60 alkylsilyl group;
• a C18-C60 arylsilyl group;
• and a C8-C60 alkylarylsilyl group, and one or more of R1 to R6 is the cyano group,
• A1 to A4, which are the same or different, are each independently one selected from the group consisting of a hydrogen;
• a deuterium;
• a tritium;
• a halogen;
• a cyano group;
• a nitro group;
• a C6-C60 aryl group;
• a fluorenyl group;
• a C2-C60 hetero ring group containing at least one hetero atom from O, N, S, Si and P;
• a fused ring group of a C3-C60 aliphatic ring and a C6-C60 aromatic ring;
• a C1-C50 alkyl group;
• a C2-C20 alkenyl group;
• a C2-C20 alkynyl group;
• a C1-C30 alkoxy group;
• a C6-C30 aryloxy group;
• a C3-C60 alkylsilyl group;
• a C18-C60 arylsilyl group;
• and a C8-C60 alkylarylsilyl group,
• in R1 to R6 and A1 to A4 of chemical formula 1 and chemical formula 2, the aryl group, the fluorenyl group, the hetero ring group, the fused ring group, the alkyl group, the alkenyl group, the alkynyl group, the alkoxy group, the aryloxy group, the alkylsilyl group, the arylsilyl group and the alkylarylsilyl group are each optionally substituted with at least one substituent selected from the group consisting of a deuterium;
• a nitro group;
• a cyano group;
• a halogen;
• an amino group;
• a C1-C20 alkoxyl group;
• a C1-C20 alkyl group;
• a C2-C20 alkenyl group;
• a C2-C20 alkynyl group;
• a C6-C20 aryl group;
• a C6-C20 aryl group substituted with the deuterium;
• a fluorenyl group;
• a C2-C20 hetero ring group;
• a C3-C60 alkylsilyl group;
• a C18-C60 arylsilyl group;
• and a C8-C60 alkylarylsilyl group,
• in chemical formula 4, R1 to R6, which are same or different, are each independently one selected from the group consisting of a hydrogen;
• a deuterium;
• a tritium;
• a halogen;
• a cyano group;
• a nitro group;
• a C6-C60 aryl group;
• a fluorenyl group;
• a C2-C60 hetero ring group containing at least one hetero atom from O, N, S, Si and P;
• a fused ring group of a C3-C60 aliphatic ring and a C6-C60 aromatic ring;
• a C1-C50 alkyl group;
• a C2-C20 alkenyl group;
• a C2-C20 alkynyl group;
• a C1-C30 alkoxy group;
• a C6-C30 aryloxy group;
• a C3-C60 alkylsilyl group;
• a C18-C60 arylsilyl group;
• and a C8-C60 alkylarylsilyl group,
• Ar1 is one selected from the group consisting of a hydrogen;
• a deuterium;
• a tritium;
• a halogen;
• a cyano group;
• a nitro group;
• a C6-C60 aryl group;
• a fluorenyl group;
• a C2-C60 hetero ring group containing at least one hetero atom from O, N, S, Si and P;
• a fused ring group of a C3-C60 aliphatic ring and a C6-C60 aromatic ring;
• a C1-C50 alkyl group;
• a C2-C20 alkenyl group;
• a C2-C20 alkynyl group;
• a C1-C30 alkoxy group;
• a C6-C30 aryloxy group;
• a C3-C60 alkylsilyl group;
• a C18-C60 arylsilyl group;
• and a C8-C60 alkylarylsilyl group,
• Ar2 is one selected from the group consisting of a hydrogen deuterium;
• a tritium;
• a halogen;
• a cyano group;
• a nitro group;
• a C6-C60 aryl group;
• a fluorenyl group;
• a C2-C60 hetero ring group containing at least one hetero atom from O, N, S, Si and P;
• a fused ring group of a C3-C60 aliphatic ring and a C6-C60 aromatic ring;
• a C1-C50 alkyl group;
• a C2-C20 alkenyl group;
• a C2-C20 alkynyl group;
• a C1-C30 alkoxy group;
• a C6-C30 aryloxy group;
• a C3-C60 alkylsilyl group;
• a C18-C60 arylsilyl group;
• and a C8-C60 alkylarylsilyl group,
• L is one selected from the group consisting of a C6-C60 arylene group;
• a fluorylene group;
• a C2-C60 divalent hetero ring group containing at least one heteroatom from O, N, S, Si and P;
• a divalent fused ring group of a C3-C60 aliphatic ring and a C6-C60 aromatic ring, and
• in R1 to R6, Ar1, Ar2 and L of chemical formula 4, the aryl group, the fluorenyl group, the hetero ring group, the fused ring group, the alkyl group, the alkenyl group, the alkynyl group, the alkoxy group, the aryloxy group, the alkylsilyl group, the arylsilyl group, the alkylarylsilyl group, the arylene group, the fluorylene group, the divalent hetero ring group, the divalent fused ring group are each optionally substituted with at least one substituent selected from the group consisting of a deuterium;
• a nitro group;
• a cyano group;
• a halogen;
• an amino group;
• a C1-C20 alkoxyl group;
• a C1-C20 alkyl group;
• a C2-C20 alkenyl group;
• a C2-C20 alkynyl group;
• a C6-C20 aryl group;
• a C6-C20 aryl group substituted with the deuterium;
• a fluorenyl group;
• a C2-C20 hetero ring group;
• a C3-C60 alkylsilyl group;
• a C18-C60 arylsilyl group;
• and a C8-C60 alkylarylsilyl group, and
• the second compound is one or more of: