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:
Apr. 18, 2023
Filed:
Jul. 08, 2022
Applicant:
Wellang Co., Ltd., Gyeonggi-do, KR;
Inventor:
Jong Tae Hwang, Seoul, KR;
Assignee:
WELLANG CO., LTD., Gyeonggi-do, KR;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H05B 45/14 (2020.01); H05B 45/48 (2020.01); H05B 45/397 (2020.01);
U.S. Cl.
CPC ...
H05B 45/48 (2020.01); H05B 45/14 (2020.01); H05B 45/397 (2020.01);
Abstract
A device may include a light-emitting diode (LED) array including a plurality of LEDs, a rectifier configured to supply an input voltage rectified from an AC voltage to the LED array, an LED driver configured to drain an LED driving current from the LED array, and a current distributor configured to sense a first current passing through at least one first LED from among the plurality of LEDs and supply a second current to at least one second LED from among the plurality of LEDs based on the first current.