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:
May. 06, 2025
Filed:
Mar. 29, 2024
Chengdu Boe Optoelectronics Technology Co., Ltd., Sichuan, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Chegdu BOE Optoelectronics Technology Co., Ltd., Sichuan, CN;
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
Abstract
A display substrate, a manufacturing method thereof, and a display device are provided. The display substrate includes a base substrate, a sub-pixel unit, a data line, a scan line, a plurality of test contact pads, a first peripheral-zone insulating layer and an auxiliary electrode layer. The base substrate includes a display zone and a peripheral zone, the peripheral zone including a test bonding zone. Each of the plurality of the test contact pads includes a first test-contact-pad metal layer and a second test-contact-pad metal layer, wherein the second test-contact-pad metal layer covers the first test-contact-pad metal layer and contacts the first test-contact-pad metal layer in at least portion of a periphery of the first test-contact-pad metal layer. The auxiliary electrode layer includes a plurality of first relay electrode patterns located within the test bonding zone and a plurality of auxiliary electrodes located within the display zone.