The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 13, 2022
Filed:
May. 13, 2019
Hefei Xinsheng Optoelectronics Technology Co., Ltd., Hefei, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Bo Mao, Beijing, CN;
Mengyu Luan, Beijing, CN;
Changjun Jiang, Beijing, CN;
Jun Li, Beijing, CN;
Lang Liu, Beijing, CN;
Zexu Liu, Beijing, CN;
Hongtao Guo, Beijing, CN;
Hefei Xinsheng Optoelectronics Technology Co., Ltd., Anhui, CN;
Beijing BOE Technology Development Co., Ltd., Beijing, CN;
Abstract
A display panel, a manufacturing method thereof and a display device are provided. The display panel includes a base substrate, a pixel definition layer, a light emitting layer and a spacer. The pixel definition layer is configured to define each of subpixels in the display panel and includes a groove structure which is disposed between adjacent subpixels, the spacer is disposed in the groove structure, the light emitting layer is disposed on a side of the pixel definition layer and the spacer away from the base substrate, and a thermal expansion efficient of the spacer is greater than a thermal expansion efficient of the light emitting layer.