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:
Jun. 10, 2025
Filed:
Dec. 30, 2020
Hefei Xinsheng Optoelectronics Technology Co., Ltd., Hefei, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Yang Zhang, Beijing, CN;
Liangchen Yan, Beijing, CN;
Bin Zhou, Beijing, CN;
Qinghe Wang, Beijing, CN;
Leilei Cheng, Beijing, CN;
Wei Li, Beijing, CN;
Tao Sun, Beijing, CN;
Hefei Xinsheng Optoelectronics Technology Co., Ltd., Anhui, CN;
BOE Technology Group Co., Ltd., Beijing, CN;
Abstract
Disclosed are a preparation method thereof, a display panel, and a display device. The drive backboard comprises: a pixel circuit disposed on a base substrate; an anode disposed on a side of the pixel circuit facing away from the base substrate and electrically connected to the pixel circuit; and a first insulating layer disposed between the base substrate and the anode; the first insulating layer is provided with a groove surrounding the pixel circuit, the anode covers the first insulating layer, and an edge of the anode extends to an inner wall of the groove.