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. 22, 2020
Filed:
Mar. 14, 2018
Applicant:
Wellang Co., Ltd., Gyeonggi-do, KR;
Inventor:
Dong Youl Jeong, Gyeonggi-do, KR;
Assignee:
WELLANG CO., LTD., Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 37/02 (2006.01); H05B 33/00 (2006.01); H05B 45/395 (2020.01); H05B 45/3725 (2020.01); H05B 45/20 (2020.01); H05B 33/08 (2020.01); H02M 1/08 (2006.01);
U.S. Cl.
CPC ...
H05B 45/395 (2020.01); H02M 1/08 (2013.01); H05B 33/08 (2013.01); H05B 45/20 (2020.01); H05B 45/3725 (2020.01);
Abstract
Provided is an apparatus including a regulator circuit configured to generate at least one positive supply voltage from at least a portion of a light-emitting diode (LED) driving current passed through an LED to supply power to a component included in a lighting apparatus; and a converter circuit configured to receive a first control signal from the component and output a second control signal for controlling the LED driving current by converting the first control signal.