Organic light emitting device

An organic light emitting device comprising:

• an anode;
• a hole transport layer;
• a hole control layer;
• a light emitting layer;
• an electron transport layer;
• and
• a cathode,
• wherein:
• the hole control layer includes a compound of the following Chemical Formula 1, and
• the light emitting layer includes (i) a compound of the following Chemical Formula 2-1, or a compound of the following Chemical Formula 2-2;
• and (ii) a compound of the following Chemical Formula 3:
• wherein, in Chemical Formula 1:
• L11 is a single bond or a substituted or unsubstituted C6-60 arylene;
• L12 and L13 are each independently a single bond or a substituted or unsubstituted C6-60 arylene;
• R11 is a substituted or unsubstituted C6-60 aryl;
• R12 and R13 are each independently any one substituent selected from the group consisting of the following:
• wherein, each R′ is independently a substituted or unsubstituted C6-60 aryl;
• R14 and R15 are hydrogen, or are linked to each other;
• wherein, in Chemical Formulas 2-1 and 2-2;
• X2 is O or S;
• each Y2 is independently N or CH, with the proviso that at least one of Y2 is N;
• L21, L22, L23, and L24 are each independently a single bond or a substituted or unsubstituted C6-60 arylene;
• R21 is a substituted or unsubstituted C6-60 aryl or the following substituent:
• wherein:
• X′ is C or Si, and each R″ is independently hydrogen, C1-60 alkyl, or Si(C1-60 alkyl)3;
• R23 and R24 are each independently a substituted or unsubstituted C6-60 aryl or a substituted or unsubstituted C2-60 heteroaryl containing any one or more heteroatoms selected from the group consisting of N, O, and S;
• R25 and R26 are each independently hydrogen, deuterium, a substituted or unsubstituted C1-60 alkyl, cyano, or a substituted or unsubstituted C6-60 aryl;
• n and m are each independently an integer of 1 to 3;
• wherein, in Chemical Formula 3:
• L31 is a single bond or a substituted or unsubstituted C6-60 arylene;
• L32 is a single bond or a substituted or unsubstituted C6-60 arylene;
• R31 is a substituted or unsubstituted C3-60 cycloalkyl, a substituted or unsubstituted C1-60 alkyl, a substituted or unsubstituted C6-60 aryl, or a substituted or unsubstituted C2-60 heteroaryl containing any one or more heteroatoms selected from the group consisting of N, O and S;
• R32 and R33 are each independently hydrogen, cyano, a substituted or unsubstituted C1-60 alkyl, a substituted or unsubstituted C6-60 aryl, or a substituted or unsubstituted C2-60 heteroaryl containing any one or more heteroatoms selected from the group consisting of N, O and S;
• X3 is O, S, C(CH3)2, N—R34, or
• and
• R34 is a substituted or unsubstituted C6-60 aryl.