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. 23, 2023
Filed:
Aug. 31, 2021
Applicant:
Texas Instruments Incorporated, Dallas, TX (US);
Inventors:
Yan He, Shanghai, CN;
Yang Wang, Shanghai, CN;
Haibin Shao, Shanghai, CN;
Shang Ding, Shanghai, CN;
Wei Xu, Suzhou, CN;
Qingjie Ma, Shanghai, CN;
Assignee:
TEXAS INSTRUMENTS INCORPORATED, Dallas, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H05B 45/325 (2020.01); H05B 45/34 (2020.01); G05B 23/02 (2006.01); G09G 3/32 (2016.01);
U.S. Cl.
CPC ...
H05B 45/325 (2020.01); G05B 23/0218 (2013.01); G09G 3/32 (2013.01); H05B 45/34 (2020.01); G09G 2310/0267 (2013.01); G09G 2320/0219 (2013.01);
Abstract
A light emitting diode (LED) matrix driver includes a scan line switch coupled to a scan line of an LED matrix and adapted to be coupled to a signal ground; a first voltage clamp coupled to the scan line switch and the scan line; and a second voltage clamp coupled to the scan line.