Organic light emitting device

An organic light emitting device comprising:

• an anode, a hole injection layer, a hole transport layer, a light emitting layer, and a cathode,
• wherein the hole injection layer includes a cured product of a compound represented by the following Chemical Formula 1, and
• wherein the hole transport layer includes a polymer including a repeating unit represented by the following Chemical Formula 2,
• in the Chemical Formula 1,
• L1 is a substituted or unsubstituted C6-60 arylene;
• or a substituted or unsubstituted C2-60 heteroarylene containing one or more heteroatoms selected from the group consisting of N, O and S,
• each Ar1 is independently a substituted or unsubstituted C6-60 aryl,
• each Ar2 is independently a substituted or unsubstituted C6-60 aryl,
• each L2 is independently a single bond, a substituted or unsubstituted C1-10 alkylene, or a substituted or unsubstituted C6-60 arylene,
• each R1 is independently deuterium;
• halogen;
• a substituted or unsubstituted C1-60 alkyl;
• a substituted or unsubstituted C1-60 alkoxy;
• a substituted or unsubstituted C6-60 aryl;
• or a substituted or unsubstituted C2-60 heteroaryl containing one or more heteroatoms selected from the group consisting of N, O and S,
• each n is independently an integer of 0 to 3, and
• each R is independently a photo-curable group;
• or a thermo-curable group,
• in the Chemical Formula 2,
• Z1 to Z3 are each independently hydrogen or C1-10 alkyl,
• Q1 is a substituted or unsubstituted C6-60 arylene,
• Q2 is a single bond;
• a substituted or unsubstituted C6-60 arylene;
• or a substituted or unsubstituted C2-60 heteroarylene containing one or more heteroatoms selected from the group consisting of N, O and S,
• m is an integer of 1 to 10,
• L′1 and L′2 are each independently a single bond;
• a substituted or unsubstituted C6-60 arylene;
• or a substituted or unsubstituted C2-60 heteroarylene containing one or more heteroatoms selected from the group consisting of N, O and S,
• Ar′1 and Ar′2 are each independently a substituted or unsubstituted C6-60 aryl;
• or a C2-60 heteroaryl containing one or more heteroatoms selected from the group consisting of N, O and S,
• A is -L′3-A′-,
• L′3 is a single bond, —O—, —(CH2)y—, —O(CH2)y—, or —(CH2)yO—,
• where y is 1,
• wherein the substituted or unsubstituted means being substituted with one or more substituents selected from the group consisting of deuterium, halogen, alkyl, alkoxy, aryl, and aryloxy, or with a substituent to which two or more of the substituents are connected, or being unsubstituted,
• A′ is any one selected from the group consisting of the following:
• wherein
• each Ar′3 is independently a C6-20 aryl, which is unsubstituted, or substituted with 1 or 2 C1-10 alkyl;
• or C1-10 alkoxy,
• each Z4 is independently deuterium;
• halogen;
• hydroxy;
• or cyano,
• each p is independently an integer of 0 to 3,
• each q is independently an integer of 0 to 4, and
• x is an integer of 8 to 100,
• the polymer including the repeating unit represented by Chemical Formula 2 has a number average molecular weight (Mn) of 10,000 g/mol to 100,000 g/mol.