| 主权项 |
1. A composition for an organic optoelectronic device, comprising at least one kind of a first host compound represented by the following Chemical Formula 1, and at least one kind of a second host compound represented by the following Chemical Formula 2: wherein, in the above Chemical Formula 1, Z is independently N or CRa, at least one of Z is N, R1 to R10 and Ra are independently hydrogen, deuterium, a substituted or unsubstituted C1 to C10 alkyl group, a substituted or unsubstituted C6 to C12 aryl group, or a combination thereof, in the above Chemical Formula 1, the total number of 6-membered rings substituting the triphenylene group is less than or equal to 6, L is a substituted or unsubstituted phenylene group, a substituted or unsubstituted biphenylene group or a substituted or unsubstituted terphenylene group, n1 to n3 are independently 0 or 1, and
n1+n2+n3≧1, wherein, in the above Chemical Formula 2, Y1 is a single bond, a substituted or unsubstituted C1 to C20 alkylene group, a substituted or unsubstituted C2 to C20 alkenylene group, a substituted or unsubstituted C6 to C30 arylene group, a substituted or unsubstituted C2 to C30 heteroarylene group, or a combination thereof, Ar1 is a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C2 to C30 heteroaryl group, or a combination thereof, R11 to R14 are independently hydrogen, deuterium, a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted C6 to C50 aryl group, a substituted or unsubstituted C2 to C50 heteroaryl group, or a combination thereof, and at least one of R11 to R14 and Ar1 comprises a substituted or unsubstituted triphenylene group or a substituted or unsubstituted carbazole group. |
