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. 31, 2022
Filed:
May. 09, 2019
Applicant:
Silergy Semiconductor Technology (Hangzhou) Ltd, Hangzhou, CN;
Inventors:
Assignee:
Silergy Semiconductor Technology (Hangzhou) LTD, Hangzhou, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 45/10 (2020.01); H05B 45/31 (2020.01); H05B 45/3575 (2020.01); H05B 45/395 (2020.01);
U.S. Cl.
CPC ...
H05B 45/10 (2020.01); H05B 45/31 (2020.01); H05B 45/3575 (2020.01); H05B 45/395 (2020.01);
Abstract
An apparatus for an LED driver with a silicon-controlled dimmer, can include: a bleeder circuit coupled to a DC bus of the LED driver; and a controller configured to control the bleeder circuit to draw a bleeder current from the DC bus when a conduction angle of the silicon-controlled dimmer is less than an angle threshold, in order to maintain a conduction state of the silicon-controlled dimmer.
Chen, Huiqiang. (2022). Led driver with silicon controlled dimmer, apparatus and control method thereof (U.S. Patent No. 11350495). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11350495
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile