Provided is an organic light-emitting element comprising: a first electrode; a second electrode provided to face the first electrode; and an organic material layer provided between the first electrode and the second electrode, in which the organic material layer comprises a layer comprising a compound of Formula 1:
wherein: L1 is a direct bond, or a substituted or unsubstituted arylene or heteroarylene group; Ar1 is a substituted or unsubstituted aryl or heteroaryl group; R1 to R12 are each independently hydrogen, a nitrile group, a halogen, or a substituted or unsubstituted alkyl, silyl, aryl or heteroaryl group, or adjacent groups bond together to form a ring; and any two adjacent R1 to R4 bond together to form a substituted or unsubstituted aromatic ring,
and a layer comprising a compound of Formula 2:
wherein: Ar2 to Ar4 are each independently a substituted or unsubstituted aryl group having 6 to 20 carbon atoms, or -L2-Z.
提供的有机发光元件包括:第一电极;设置在面对第一电极的第二电极;以及设置在第一电极和第二电极之间的有机材料层,其中有机材料层包括一个包含Formula 1化合物的层:其中:L1是直接键,或取代或未取代的芳基或杂芳基;Ar1是取代或未取代的芳基或杂芳基;R1至R12分别独立地是氢、腈基、卤素或取代或未取代的烷基、
硅基、芳基或杂芳基,或相邻基结合形成环;任意两个相邻的R1至R4结合形成取代或未取代的芳环,以及一个包含Formula 2化合物的层:其中:Ar2至Ar4分别独立地是取代或未取代的含有6至20个碳原子的芳基,或-
L2-Z。