Display substrate, preparation method thereof, and display apparatus

US12120916B2 · kind B2 · utility

Assignees

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

Inventors

• Bo Cheng · Beijing, CN
• Mengmeng DU · Beijing, CN
• Jie Gou · Beijing, CN
• Xiangdan Dong · Beijing, CN
• Hongwei Ma · Beijing, CN
• Shuangbin YANG · Beijing, CN
• Yujing Li · Beijing, CN
• Zhenhua Zhang · Chicago, US

Key dates

• Filing date: Nov 26, 2020
• Grant date: Oct 15, 2024
• Expiry date: Aug 28, 2042

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10K59/8731

Abstract

Provided are a display substrate and a preparation method thereof, and a display apparatus. The display substrate includes a plurality of sub-pixels, and a pixel drive circuit in the sub-pixel includes a drive transistor and a storage capacitor; the display substrate includes a semiconductor layer, a first conductive layer and a second conductive layer which are sequentially disposed on a substrate; the semiconductor layer at least includes an active layer of a drive transistor; the first conductive layer at least includes a first electrode plate; and the second conductive layer at least includes a second electrode plate and an electrode plate connection line, wherein the electrode plate connection line is connected to a second electrode plate in an adjacent sub-pixel in a first direction.