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:
Apr. 28, 2026
Filed:
Jan. 21, 2022
Chengdu Boe Optoelectronics Technology Co., Ltd., Chengdu, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Hongjun Zhou, Beijing, CN;
Long MA, Beijing, CN;
Tianyi Cheng, Beijing, CN;
Yao Huang, Beijing, CN;
Binyan Wang, Beijing, CN;
Chengdu BOE Optoelectronics Technology Co., Ltd., Chengdu, CN;
BOE Technology Group Co., Ltd., Beijing, CN;
Abstract
A display substrate, a preparation method thereof, and a display apparatus are provided, wherein the display substrate includes a display area and an edge area, and the display substrate further comprises a substrate and a power supply line arranged on the substrate and located in the edge area, the power supply line includes a first power supply portion and a second power supply portion connected with each other, the second power supply portion being located on a side of the first power supply portion far away from the substrate; the display area including a plurality of display units, at least one display unit includes a pixel driving circuit and a light emitting device, the pixel driving circuit being electrically connected with an anode of the light emitting device, the power supply line being electrically connected with a cathode of the light emitting device.