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:
Jun. 30, 2026

Filed:

Jun. 29, 2022
Applicant:

Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd., Shenzhen, CN;

Inventor:

Jianshun Huang, Shenzhen, CN;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/34 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3406 (2013.01); G09G 2320/0247 (2013.01); G09G 2330/025 (2013.01); G09G 2330/04 (2013.01);
Abstract

The present application discloses a switch control circuit and a backlight driver board. The switch control circuit includes a voltage dividing circuit, a first transistor, and a second transistor. The voltage dividing circuit includes an input end and an output end, and the input end receives a control signal. A control electrode of the first transistor is connected with the output end, and an input electrode of the first transistor receives a power supply voltage. A control electrode of the second transistor is connected with an output electrode of the first transistor, an input electrode of the second transistor receives an input voltage, and an output electrode of the second transistor is connected with a voltage output end.


Find Patent Forward Citations

Huang, Jianshun. (2026). Switch control circuit and backlight driver board (U.S. Patent No. 12670871). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12670871

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…