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:
Aug. 13, 2024

Filed:

Jan. 05, 2021
Applicants:

Hefei Xinsheng Optoelectronics Technology Co., Ltd., Hefei, CN;

Boe Technology Group Co., Ltd., Beijing, CN;

Inventors:

Guangyao Li, Beijing, CN;

Dongfang Wang, Beijing, CN;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/00 (2006.01); H10K 59/121 (2023.01); H10K 59/131 (2023.01);
U.S. Cl.
CPC ...
G09G 3/006 (2013.01); H10K 59/1213 (2023.02); H10K 59/1216 (2023.02); H10K 59/131 (2023.02);
Abstract

A test circuit includes a plurality of first switch units and a plurality of second switch units. The first switch units are provided in one-to-one correspondence with a plurality of signal lines. First terminals of the first switch units are connected to first ends of the plurality of signal lines, second terminals of the first switch units are short-circuited to one another, and control terminals of the first switch units are connected to a first control signal terminal. The plurality of second switch units are provided in one-to-one correspondence with the plurality of signal lines. First terminals of the plurality of second switch units are connected to second ends of the plurality of signal lines, second terminals of the plurality of second switch units are short-circuited to one another, and control terminals of the plurality of second switch units are connected to a second control signal terminal.


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