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:
Sep. 03, 2024
Filed:
Sep. 29, 2020
Applicant:
Rohm Co., Ltd., Kyoto, JP;
Inventors:
Ryosuke Kanemitsu, Kyoto, JP;
Koji Katsura, Kyoto, JP;
Assignee:
Rohm Co., Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 45/30 (2020.01); H05B 45/10 (2020.01); H05B 45/325 (2020.01); H05B 45/345 (2020.01); H05B 45/46 (2020.01);
U.S. Cl.
CPC ...
H05B 45/345 (2020.01); H05B 45/10 (2020.01); H05B 45/325 (2020.01); H05B 45/46 (2020.01);
Abstract
In an LED driving device, a DC-DC controller performs control such that the voltage at an LED terminal remains equal to a reference voltage, and a reference voltage generator generates the reference voltage such that it decreases as the set value of the LED current set by an LED current setter decreases.
Kanemitsu, Ryosuke. (2024). Led driving device, lighting device, and vehicle-mounted display device (U.S. Patent No. 12082319). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12082319
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile