ORGANIC LIGHT EMITTING DEVICE

摘要

An organic light emitting device comprising a substrate (200), and a first electrode layer (201), a second electrode layer (202), a first colour conversion layer (206), a first light emitting layer (203) and a second light emitting layer (204) deposited on the substrate (200), wherein the first light emitting layer (203) is arranged between the first electrode layer (201) and the second electrode layer (202); the first light emitting layer (203) emits a first emitting light under electrical excitation; the first electrode layer (201) is a transparent electrode layer, and the first colour conversion layer (206) is arranged at one side, far away from the second electrode layer (202), of the first electrode layer (201); the second light emitting layer (204) is arranged between the first light emitting layer (203) and the second electrode layer (202), and the second light emitting layer (204) emits a second emitting light under electrical excitation; and the peak wavelength of the second emitting light in a blue light area is larger than that of the first emitting light in the blue light area.