Organic light emitting diode and display device including same

• Main Authors: HAN MYUNG SUK, LI XUEZHONG, KIM DONGAN, MOON JI-YOUNG, JIA YUNSHUO, LEE JI-HYE
• Format: Patent
• Language: Chinese; English
• Published: 28.06.2022
• Subjects: ADVERTISING; ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION; BASIC ELECTRIC ELEMENTS; CRYPTOGRAPHY; DISPLAY; EDUCATION; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; PHYSICS; SEALS; SEMICONDUCTOR DEVICES

The invention relates to an organic light emitting diode and a display device including the same. The display device includes a pixel electrode disposed on a substrate; an opposing electrode disposed to face the pixel electrode; a first emission layer and a second emission layer, the second emission layer being disposed on the first emission layer, and the first emission layer and the second emission layer overlapping each other between the pixel electrode and the opposite electrode; and a charge generation layer disposed between the first emission layer and the second emission layer, in which the charge generation layer includes an n-type charge generation layer, a p-type charge generation layer, and an intermetallic layer disposed between the n-type charge generation layer and the p-type charge generation layer, and the intermetallic layer includes a metal having a work function of about-6.0 eV to about-3.5 eV. 本公开涉及有机发光二极管及包括其的显示设备。该显示设备包括：像素电极，设置在基板上；相对电极，设置成面对像素电极；第一发射层和第二发射层，第二发射层设置在第一发射层上，并且第一发射层和第二发射层