Display substrate and preparation method thereof, and display apparatus

US11844239B2 · kind B2 · utility

Assignee

• BOE Technology Group Co., Ltd. · CN

Inventors

• Chengjie QIN · Beijing, CN
• Rui Hong · Oro Valley, US
• Chunyan Xie · Beijing, CN
• Tao Wang · Beijing, CN
• Song Zhang · 安丰镇, CN

Key dates

• Filing date: Apr 17, 2020
• Grant date: Dec 12, 2023
• Expiry date: Dec 31, 2041

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10K59/1201

Abstract

Provided are a display substrate and a preparation method thereof, and a display apparatus. The display substrate includes a display area, a mounting hole located in the display area, and an encapsulation region located between the display area and the mounting hole. The encapsulation region includes an insulating layer, an encapsulation pixel definition layer arranged on the insulating layer, and a partition structure layer arranged on the encapsulation pixel definition layer. The encapsulation pixel definition layer includes multiple spaced protrusions, the partition structure layer includes multiple spaced columns, the columns are arranged on the protrusions, a functional layer is arranged on the multiple spaced columns, and the functional layer is broken by the columns.