OLED display substrate, manufacturing method thereof, and display device

US12114534B2 · kind B2 · utility

Assignees

• Ordos Yuansheng Optoelectronics Co., Ltd. · CN
• BOE Technology Group Co., Ltd. · CN

Inventors

• Liman Peng · Beijing, CN
• Qi Liu · New Taipei, TW
• Liangliang LIU · Beijing, CN
• Jianqiang Wang · Shanghai, CN
• Yan Wu · Beijing, CN
• Jin Yang · Beijing, CN

Key dates

• Filing date: Apr 29, 2020
• Grant date: Oct 8, 2024
• Expiry date: Jul 18, 2042

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10K71/166

Abstract

The disclosure provides an OLED display substrate, a manufacturing method thereof, and a display device, wherein the OLED display substrate is provided with a display area and an edge area surrounding the display area, the OLED display substrate includes a back plate and a pixel-defining layer on the back plate, and a protrusion is provided on the back plate at the edge area of the OLED display substrate.