Display panel with pixel definition layer having depression structure and display device including the display panel

US12268056B2 · kind B2 · utility

Assignees

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

Inventors

• Bowen Yang · Beijing, CN
• Beicih Huang · Beijing, CN
• Chengguo An · Yongin-si, KR
• Xiaodong Yang · New York, US
• Junjiao Chen · Beijing, CN
• Yubin Song · Beijing, CN
• Fei Xie · Zhejiang, CN

Key dates

• Filing date: May 28, 2021
• Grant date: Apr 1, 2025
• Expiry date: Oct 11, 2041

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10K59/124

Abstract

The present disclosure provides a display panel and a display device. The display panel includes an array substrate, a first electrode layer, a pixel definition layer, and a luminescent material layer laminated one on another. The pixel definition layer includes a first portion and a second portion, the first portion corresponds to and is arranged in an active area of the display panel, the second portion surrounds the first portion. A depression structure is arranged in the second portion, and an aperture of the depression structure is oriented to a side of the pixel definition layer away from the array substrate.