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.

Date of Patent:
Nov. 23, 2021

Filed:

Sep. 01, 2017
Applicants:

Hkc Corporation Limited, Guangdong, CN;

Chongqing Hkc Optoelectronics Technology Co., Ltd., Chongqing, CN;

Inventor:

Yu-Jen Chen, Chongqing, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/00 (2006.01); G01R 31/28 (2006.01);
U.S. Cl.
CPC ...
G09G 3/006 (2013.01); G01R 31/28 (2013.01);
Abstract

A test circuit and a test method for display panels are provided. The test circuit comprises: switch units; first test leads; first test pads; and a second test pad, a second test lead, a third test pad and a switch control line. Numbers of the switch units, the first test leads and the first test pads are the same; each of the first test leads is electrically connected to a corresponding one of the display panels; each of the first test pads is electrically connected to an output terminal of the corresponding switch unit, and each of the first test pads is electrically connected to the corresponding first test lead; the second test pad and the second test lead are electrically connected to input terminals of the switch units; and the third test pad and the switch control line are electrically connected to control terminals of the switch units.


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