Display backplane with metal layer on protrusions

US11641765B2 · kind B2 · utility

Assignees

• Chengdu BOE Optoelectronics Technology Co., Ltd. · CN
• BOE Technology Group Co., Ltd. · CN

Inventors

• Zhen Zhang · Cupertino, US
• Xinwei Wu · Beijing, CN
• Kangguan Pan · Beijing, CN
• Lei Deng · Hubei, CN
• Huimin Cao · Beijing, CN
• Fei Li · Nanhu, CN
• Wei-Ming Huang · Hsinchu, TW
• Fuwei Zou · Beijing, CN
• Xia Tang · Beijing, CN
• Xijie Peng · Beijing, CN
• Lin Wen · Fujian, CN
• Xudong An · Richardson, US
• Junjie Zhao · Beijing, CN
• Yue Wei · Beijing, CN
• Yuqing Yang · Beijing, CN

Key dates

• Filing date: Nov 29, 2019
• Grant date: May 2, 2023
• Expiry date: Feb 7, 2040

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10K59/873

Abstract

A backplane, a display device and a method of manufacturing a backplane are provided. The backplane includes a base substrate; an inorganic layer on the base substrate, the inorganic layer including a plurality of protrusions; a metal layer covering atop of each protrusion and partial side wall near the top, the metal layer covering adjacent protrusions being disconnected; and a light-emitting layer covering the metal layer and the inorganic layer between the adjacent protrusions, the light-emitting layer being disconnected at regions of the protrusions not covered by the metal layer.