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:
Aug. 14, 2018
Filed:
Dec. 30, 2015
Silicon Works Co., Ltd., Daejeon, KR;
Sung Hwan Kim, Yangsan-si, KR;
Joo Wan Ha, Bucheon-si, KR;
Sun Geon Yoo, Cheongju-si, KR;
Hai Feng Jin, Daejeon, KR;
Ju Hyun Lee, Daejeon, KR;
Wanyuan Qu, Daejeon, KR;
Se Won Lee, Daejeon, KR;
Byeong Ho Jeong, Daejeon, KR;
Ju Pyo Hong, Daejeon, KR;
SILICON WORKS CO., LTD., Daejeon, KR;
Abstract
A lamp control device includes a converter configured to provide an output voltage and an internal voltage; a lamp including an LED module which has a plurality of LED channels, and configured to emit light in correspondence to the output voltage of the converter; and a controller configured to operate by using the internal voltage of the converter, control the output voltage of the converter to be retained at a level equal to or higher than a predetermined level, by using feedback voltages of the plurality of LED channels, and control channel currents of the plurality of LED channels to be regulated in correspondence to memory values which are set in advance.