ORGANIC LIGHT EMITTING DISPLAY DEVICE

摘要

An organic light emitting display device is disclosed. The organic light emitting display device comprising at least two or more light emitting parts each comprising a light emitting layer and an electron transport layer; and a charge generation layer between the at least two or more light emitting parts and including an N-type charge generation layer, wherein the electron transport layer includes an electron transport compound including a functional group with high electron mobility, and the N-type charge generation layer includes a charge generation compound including a functional group for matching the energy level of the electron transport compound.