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. 12, 2021
Filed:
Apr. 18, 2019
Applicant:
Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd., Wuhan, CN;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/12 (2006.01); H01L 21/66 (2006.01);
U.S. Cl.
CPC ...
H01L 22/34 (2013.01); H01L 22/12 (2013.01); H01L 27/124 (2013.01); H01L 27/1259 (2013.01);
Abstract
The present disclosure provides a display panel and a method for manufacturing the same. The method includes providing a substrate including a display area and a non-display area. A chip on film (COF) and a testing structure are disposed in the non-display area. A testing circuit includes a signal trace including a non-metal trace and a metal trace connecting to each other. A cutting line is disposed on the signal trace. The method further includes testing the display area of the substrate by the testing structure, and removing a test pad.