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

Claim 6:
7. A manufacturing method of an organic light-emitting diode (OLED) device, comprising following steps:
a light-emitting layer manufacture step: forming a light-emitting layer;
an insulating layer manufacture step: forming an insulating layer on the light-emitting layer, wherein a through hole extends through the insulating layer, 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 manufacture step: forming an electron transport layer by inkjet printing, wherein the electron transport layer fills a lower portion of the through hole, and the electron transport layer is attached to an upper surface of the light-emitting layer; and
an electron injection layer manufacture step: forming an electron injection layer by inkjet printing, wherein the electron injection layer fills an upper portion of the through hole and is disposed within the upper portion of the through hole, and the electron injection layer is attached to an upper surface of the electron transport layer.