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:
Oct. 17, 2023
Filed:
Sep. 24, 2021
Ordos Yuansheng Optoelectronics Co., Ltd., Inner Mongolia, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Lei Yao, Beijing, CN;
Feng Li, Beijing, CN;
Lei Yan, Beijing, CN;
Kai Li, Beijing, CN;
Chenglong Wang, Beijing, CN;
Teng Ye, Beijing, CN;
Lin Hou, Beijing, CN;
Xiaofang Li, Beijing, CN;
Ordos Yuansheng Optoelectronics Co., Ltd., Inner Mongolia, CN;
BOE Technology Group Co., Ltd., Beijing, CN;
Abstract
Provided are a display substrate motherboard and manufacturing method thereof, a display substrate and a display apparatus. The display substrate motherboard includes a substrate, a display substrate area on the substrate, and a mark area on the periphery of the display substrate area. The display substrate motherboard also includes a thin film transistor disposed in the display substrate area, a mark structure disposed in the mark area and a planarization layer disposed on one side of the thin film transistor away from the substrate, and the planarization layer includes a groove which is disposed at the corresponding position of the mark structure and extends along a direction close to the substrate, and an orthographic projection of the groove on the substrate covers an orthographic projection of the mark structure on the substrate.