Patent ID: 11889739
Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
Field: nan (nan)
Classification: CPC H | IPC H

Claim 0:
1. An organic light-emitting diode (OLED) device, comprising:
a light-emitting layer;
an insulating layer disposed on one side of the light-emitting layer, a through hole extending through the insulating layer, wherein the through hole is arranged corresponding to a middle portion of the light-emitting layer, and a material of the insulating layer comprises a hole transporting material or an electron blocking material;
an electron transport layer disposed within a lower portion of the through hole and attached to an upper surface of the light-emitting layer; and
an electron injection layer disposed in an upper portion of the through hole and attached to one side of the electron transport layer away from the light-emitting layer.