Display panel, its manufacturing method, and display device

US10475824B2 · kind B2 · utility

Assignee

• BOE Technology Group Co., Ltd. · CN

Inventors

• Qingrong Ren · Beijing, CN
• Woobong Lee · Beijing, CN
• Fengchao Wang · Beijing, CN
• Jianming Sun · Beijing, CN
• Yingwei Liu · Beijing, CN
• Wei Yang · Taipei, TW
• Dongsheng Li · Shanghai, CN

Key dates

• Filing date: May 4, 2018
• Grant date: Nov 12, 2019
• Expiry date: May 4, 2038

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10F39/198

Abstract

The present disclosure provides a display panel, its manufacturing method and a display device. The manufacturing method of the display panel comprises: forming, on a substrate, a thin film transistor comprising a gate electrode, an active layer, a source electrode and a drain electrode; forming a hydrogen diffusion barrier layer that covers the entire substrate, wherein the hydrogen diffusion barrier layer is electrically conductive and is electrically connected to the drain electrode; and forming a photosensitive structure layer on the hydrogen diffusion barrier layer.