TOP-EMITTING WHITE LIGHT OLED DEVICE AND MANUFACTURING METHOD THEREOF, AND DISPLAY DEVICE

摘要

A top-emitting white light OLED device and manufacturing method thereof, and display device; the OLED device comprises a plurality of pixel units located on a substrate (200); each pixel unit sequentially comprises a first electrode layer (201), an organic layer (202) and a second electrode layer (203) in a direction away from the substrate (200); and the organic layers (202) in each pixel unit have gradually varying cavity lengths respectively corresponding to wavelength ranges from red light to blue light.