| 主权项 |
1. An organic light emitting device comprising n stacks between an anode and a cathode,
wherein n is 2 or more, wherein the stacks comprise a hole transport layer, a light emitting layer and an electron transport layer, wherein an n-type charge generation layer and a p-type charge generation layer are provided between the different adjacent stacks, wherein the p-type charge generation layer comprises an indenofluorenedione derivative represented by Formula 1 or an imine derivative represented by Formula 2 or 3: wherein in Formula (1), X1 and X2 each independently represents any one of Formulae (I) to (V), R1 to R10 each independently represents a hydrogen atom, an alkyl group, an aryl group, a heterocycle, a halogen atom, a fluoroalkyl group, an alkoxy group, an aryloxy group or a cyano group, and R3 to R6 or R7 to R10 are bonded to each other to form a ring, wherein R51 to R53 each independently represents a hydrogen atom, a fluoroalkyl group, an alkyl group, an aryl group or a heterocycle, and R52 and R53 are bonded to each other to form a ring; wherein in Formulae 2 and 3, Y1 to Y4 each independently represents a carbon or nitrogen atom, R1 to R4 each independently represents a hydrogen atom, an alkyl group, an aryl group, a heterocycle, a halogen atom, a fluoroalkyl group or a cyano group, and R1 and R2, or R3 and R4 are bonded to each other to form a ring. |
