Organic compound, and organic light emitting diode and organic light emitting display device including the same

An organic light emitting diode, comprising:

• a first electrode;
• a second electrode facing the first electrode;
• and
• an organic layer between the first electrode and the second electrode, wherein the organic layer includes an organic compound represented by following Formula 2 as a first host, and an organic compound represented by one of following Formulas 3a or 3b as a second host and, a dopant
• wherein each of R3 and R4 is independently selected from the group consisting of hydrogen, deuterium, tritium, C5 to C30 aryl group, substituted C5 to C30 heteroaryl group, non-substituted C5 to C30 heteroaryl group, substituted C6 to C30 arylalkyl group, non-substituted C6 to C30 arylalkyl group, substituted C6 to C30 hetero-arylalkyl group, non-substituted C6 to C30 hetero-arylalkyl group, non-substituted C6 to C30 aryloxyl group, substituted C6 to C30 hetero-aryloxyl group, and non-substituted C6 to C30 hetero-aryloxyl group,
• wherein X5 with one of X4 and X6 forms a C4 to C30 homo fused-ring or a C4 to C30 hetero fused-ring, or each of X4 to X6 is selected from the group consisting of hydrogen, deuterium, tritium, substituted C1 to C20 alkyl group, non-substituted C1 to C20 alkyl group, substituted C1 to C20 alkoxy group, non-substituted C1 to C20 alkoxy group, substituted C5 to C30 aryl group, non-substituted C5 to C30 aryl group, substituted C5 to C30 heteroaryl group, and non-substituted C5 to C30 heteroaryl group,
• wherein L1 is selected from the group consisting of substituted C1 to C30 alkylene group, non-substituted C1 to C30 alkylene group, substituted C3 to C30 cyclo-alkylene group, non-substituted C3 to C30 cyclo-alkylene group, substituted C5 to C30 arylene group, non-substituted C5 to C30 arylene group, substituted C4 to C30 heteroarylene group, non-substituted C4 to C30 heteroarylene group, substituted C6 to C30 arylalkylene group, non-substituted C6 to C30 arylalkylene group, substituted C6 to C30 hetero-arylalkylene group, non-substituted C6 to C30 hetero-arylalkylene group, substituted C6 to C30 aryloxylene group, non-substituted C6 to C30 aryloxylene group, substituted C6 to C30 hetero-aryloxylene group, and non-substituted C6 to C30 hetero-aryloxylene group, and m is 0 or 1, and
• wherein X2 with one of X1 and X3 forms a C4 to C30 homo fused-ring or a C4 to C30 hetero fused-ring, and the other one of X1 and X3 is selected from the group consisting of hydrogen, deuterium, tritium, substituted C1 to C20 alkyl group, non-substituted C1 to C20 alkyl group, substituted C1 to C20 alkoxy group, non-substituted C1 to C20 alkoxy group, substituted C5 to C30 aryl group, non-substituted C5 to C30 aryl group, substituted C5 to C30 heteroaryl group, and non-substituted C5 to C30 heteroaryl group,
• wherein each of R5 to R6 is independently selected from the group consisting of hydrogen, deuterium, tritium, C5 to C30 aryl group, substituted C5 to C30 heteroaryl group, non-substituted C5 to C30 heteroaryl group, substituted C6 to C30 arylalkyl group, non-substituted C6 to C30 arylalkyl group, substituted C6 to C30 hetero-arylalkyl group, non-substituted C6 to C30 hetero-arylalkyl group, non-substituted C6 to C30 aryloxyl group, substituted C6 to C30 hetero-aryloxyl group, and non-substituted C6 to C30 hetero-aryloxyl group, wherein R7 is hydrogen, deuterium, tritium, C5 to C30 aryl group, substituted C6 to C30 arylalkyl group, non-substituted C6 to C30 arylalkyl group or non-substituted C6 to C30 aryloxyl group,
• wherein each of Y1 to Y3 is independently N or CR8, and at least one of Y1 to Y3 is N,
• wherein R8 is selected from the group consisting of hydrogen, deuterium, tritium, C5 to C30 aryl group, substituted C5 to C30 heteroaryl group, non-substituted C5 to C30 heteroaryl group, substituted C6 to C30 arylalkyl group, non-substituted C6 to C30 arylalkyl group, substituted C6 to C30 hetero-arylalkyl group, non-substituted C6 to C30 hetero-arylalkyl group, non-substituted C6 to C30 aryloxyl group, substituted C6 to C30 hetero-aryloxyl group, and non-substituted C6 to C30 hetero-aryloxyl group,
• wherein L1 is selected from the group consisting of substituted C1 to C30 alkylene group, non-substituted C1 to C30 alkylene group, substituted C3 to C30 cyclo-alkylene group, non-substituted C3 to C30 cyclo-alkylene group, substituted C5 to C30 arylene group, non-substituted C5 to C30 arylene group, substituted C4 to C30 heteroarylene group, non-substituted C4 to C30 heteroarylene group, substituted C6 to C30 arylalkylene group, non-substituted C6 to C30 arylalkylene group, substituted C6 to C30 hetero-arylalkylene group, non-substituted C6 to C30 hetero-arylalkylene group, substituted C6 to C30 aryloxylene group, non-substituted C6 to C30 aryloxylene group, substituted C6 to C30 hetero-aryloxylene group, and non-substituted C6 to C30 hetero-aryloxylene group, and m is 0 or 1, and
• wherein X2 with one of X1 and X3 forms a C4 to C30 homo fused-ring or a C4 to C30 hetero fused-ring, and the other one of X1 and X3 is selected from the group consisting of hydrogen, deuterium, tritium, substituted C1 to C20 alkyl group, non-substituted C1 to C20 alkyl group, substituted C1 to C20 alkoxy group, non-substituted C1 to C20 alkoxy group, substituted C5 to C30 aryl group, non-substituted C5 to C30 aryl group, substituted C5 to C30 heteroaryl group, and non-substituted C5 to C30 heteroaryl group, and
• wherein each of R5 to R7 is independently selected from the group consisting of hydrogen, deuterium, tritium, C5 to C30 aryl group, substituted C5 to C30 heteroaryl group, non-substituted C5 to C30 heteroaryl group, substituted C6 to C30 arylalkyl group, non-substituted C6 to C30 arylalkyl group, substituted C6 to C30 hetero-arylalkyl group, non-substituted C6 to C30 hetero-arylalkyl group, non-substituted C6 to C30 aryloxyl group, substituted C6 to C30 hetero-aryloxyl group, and non-substituted C6 to C30 hetero-aryloxyl group,
• wherein each of Y1 to Y3 is independently N or CR8, and at least one of Y1 to Y3 is N,
• wherein R8 is selected from the group consisting of hydrogen, deuterium, tritium, C5 to C30 aryl group, substituted C5 to C30 heteroaryl group, non-substituted C5 to C30 heteroaryl group, substituted C6 to C30 arylalkyl group, non-substituted C6 to C30 arylalkyl group, substituted C6 to C30 hetero-arylalkyl group, non-substituted C6 to C30 hetero-arylalkyl group, non-substituted C6 to C30 aryloxyl group, substituted C6 to C30 hetero-aryloxyl group, and non-substituted C6 to C30 hetero-aryloxyl group,
• wherein X2 with one of X1 and X3 forms a C4 to C30 homo fused-ring or a C4 to C30 hetero fused-ring, and the other one of X1 and X3 is selected from the group consisting of hydrogen, deuterium, tritium, substituted C1 to C20 alkyl group, non-substituted C1 to C20 alkyl group, substituted C1 to C20 alkoxy group, non-substituted C1 to C20 alkoxy group, substituted C5 to C30 aryl group, non-substituted C5 to C30 aryl group, substituted C5 to C30 heteroaryl group, and non-substituted C5 to C30 heteroaryl group, and
• wherein L2 is selected from the group consisting of substituted C1 to C30 alkylene group, non-substituted C1 to C30 alkylene group, substituted C3 to C30 cyclo-alkylene group, non-substituted C3 to C30 cyclo-alkylene group, substituted C5 to C30 arylene group, non-substituted C5 to C30 arylene group, substituted C4 to C30 heteroarylene group, substituted C6 to C30 arylalkylene group, non-substituted C6 to C30 arylalkylene group, substituted C6 to C30 hetero-arylalkylene group, non-substituted C6 to C30 hetero-arylalkylene group, substituted C6 to C30 aryloxylene group, non-substituted C6 to C30 aryloxylene group, substituted C6 to C30 hetero-aryloxylene group, and non-substituted C6 to C30 hetero-aryloxylene group, and n is 0 or 1, with the proviso in Formula 3b that when X1 and X2 join together to form a C4 to C30 hetero fused-ring, they do not form a benzodioxan group.