Display substrate, preparation method thereof, and display apparatus

US11895905B2 · kind B2 · utility

Assignees

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

Inventors

• Sen Wang · Daguantang, CN
• Li Jia · Nanhu, CN
• Bin Liu · Nanhu, CN
• Mingqi Gang · Beijing, CN
• Shaojie Qin · Beijing, CN
• Ming Yang · Beijing, CN
• Jiandong BAO · Beijing, CN
• Wei Wang · Beijing, CN
• Xin Zhou · Shanghai, CN

Key dates

• Filing date: Sep 23, 2021
• Grant date: Feb 6, 2024
• Expiry date: Apr 21, 2042

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10K2102/311

Abstract

Provided are a display substrate, a preparation method thereof, and a display apparatus. The display substrate includes a flexible substrate, a driving structure layer disposed on the flexible substrate, a light-emitting element disposed on the driving structure layer, and an encapsulation layer disposed on the light-emitting element. The flexible substrate includes a first flexible substrate layer, a first connection layer disposed on the first flexible substrate layer, and a second flexible substrate layer disposed on the first connection layer, wherein, the first connection layer includes at least one first via, and the first flexible substrate layer includes at least one first groove provided corresponding to the first via; the first via and the first groove are mutually communicated, and an orthographic projection of the first groove on the first flexible substrate layer includes an orthographic projection of the first via on the first flexible substrate layer.