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. 29, 2018
Filed:
Dec. 30, 2015
Silicon Works Co., Ltd., Daejeon, KR;
Ju Pyo Hong, Daejeon, KR;
Joo Wan Ha, Bucheon-si, KR;
Hai Feng Jin, Daejeon, KR;
Se Won Lee, Daejeon, KR;
Wanyuan Qu, Daejeon, KR;
Sung Hwan Kim, Yangsan-si, KR;
Sun Geon Yoo, Cheongju-si, KR;
Byeong Ho Jeong, Daejeon, KR;
Ju Hyun Lee, Daejeon, KR;
SILICON WORKS CO., LTD., Daejeon, KR;
Abstract
A lamp control device includes a lamp including an LED module which has a plurality of LED channels; and a controller configured to detect respective feedback voltages of the plurality of LED channels, and determine, when at least any one feedback voltage among the feedback voltages is retained to be lower than a predetermined reference voltage and a generation count of an over voltage protection signal reaches a predetermined reference count, an LED channel corresponding to the feedback voltage, as an open.