Display device, display panel and manufacturing method thereof

US11882731B2 · kind B2 · utility

Assignee

• BOE Technology Group Co., Ltd. · CN

Inventors

• Kuanta HUANG · Beijing, CN
• Hui Tong · Beijing, CN
• Xiong YUAN · Beijing, CN
• Xiaobin SHEN · Nanhu, CN
• Yu Wang · Beijing, CN
• Qing Wang · Beijing, CN
• Shipeng Li · Princeton, US
• Chao YANG · Beijing, CN
• Shangquan SHI · Beijing, CN
• Yongfa DONG · Beijing, CN
• Dongsheng Li · Shanghai, CN

Key dates

• Filing date: Apr 21, 2020
• Grant date: Jan 23, 2024
• Expiry date: Nov 10, 2041

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10K59/38

Abstract

A display panel includes a substrate, a planarization layer disposed at a side of the substrate being provided with partitioning slots to form driving areas in an array; a first electrode layer on the planarization layer having first electrodes; wherein orthographic projections of the first electrodes on the planarization layer are within the driving areas; each of the first electrodes includes a planar center portion and an edge portion, the edge portion includes a planarization portion surrounding the center portion and a slope portion connected between the center portion and the planarization portion; a pixel definition layer on the planarization layer that exposes part of the center portion; a light-emitting functional layer covering the pixel definition layer, the center portion being exposed by the pixel definition layer and the planarization layer and a second electrode covering the light-emitting functional layer.