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:
Jul. 01, 2025
Filed:
Dec. 12, 2022
Hkc Corporation Limited, Shenzhen, CN;
Renjie Zhou, Shenzhen, CN;
HKC CORPORATION LIMITED, Shenzhen, CN;
Abstract
Disclosed are a drive circuit, a light-emitting circuit and a display device. The drive circuit is connected to a load element. The drive circuit includes a switch power supply circuit for boosting or reducing a first voltage; a feedback circuit for receiving a feedback voltage of the load element, and generating a control signal in response that the feedback voltage is not within a preset voltage range; a pulse circuit for generating a switch signal with a first preset frequency; and a switch circuit. The switch circuit is for transmitting the control signal to the control end of the switch tube in response to receiving the control signal, and the switch circuit is for transmitting the switch signal to the control end of the switch tube in response to not receiving the control signal.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile