White organic light emitting device

摘要

Disclosed herein is a white organic light emitting device including various emission layers with improved luminous efficiency, an increased color viewing angle, and low power consumption. The white organic light emitting device includes at least two charge generation layers and at least three stacks between a first electrode and a second electrode. The first stack includes an emission layer having a wavelength range of 440 to 470nm, the second stack includes an emission layer having a wavelength range of 530 to 570nm, and the third stack includes an emission layer having a wavelength range of 590 to 620nm and an emission layer having a wavelength range of 440 to 470nm.