Display panel with quantom dot and manufacturing method thereof

US11374072B2 · kind B2 · utility

Assignee

• WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.

Inventors

• Cunjun Xia · Hubei, CN
• Munjae LEE · Hubei, CN

Key dates

• Filing date: Jun 10, 2020
• Grant date: Jun 28, 2022
• Expiry date: Dec 17, 2040

Classification

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

Abstract

The present disclosure provides a display panel and a manufacturing method thereof. The display panel includes an array substrate, a light-emitting layer, a first barrier layer, a color film layer, a planarization layer, and a second barrier layer. The array substrate includes a pixel definition layer, the pixel definition layer includes pixel definition regions and a retaining wall disposed between the pixel definition regions, the light-emitting layer is disposed in pixel definition regions, the first barrier layer covers the array substrate, the pixel definition layer, and the light-emitting layer, the first barrier layer includes grooves, the color film layer is disposed in the grooves, the planarization layer covers the first barrier layer and the color film layer, and the second barrier layer is disposed on the planarization layer. In the present disclosure, the first barrier layer is disposed on the light-emitting layer to improve performance of the display panel.