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:
Feb. 14, 2017
Filed:
Jun. 25, 2014
Silicon Works Co., Ltd., Daejeon, KR;
Yong Goo Kim, Daejeon-si, KR;
Won Ji Lee, Cheonahn-si, KR;
Kyung Min Kim, Daejeon-si, KR;
Jong Min Lee, Busan, KR;
Min Soo Kim, Chungcheongbuk-do, KR;
Young Suk Son, Daejeon, KR;
SILICON WORKS CO., LTD., Daejeon, KR;
Abstract
Disclosed are an LED lighting apparatus and a control circuit thereof which controls illumination of a lamp including LEDs using a dimmer. The LED lighting apparatus includes a flicker control unit which provides a control signal corresponding to a rectified voltage having a low angle corresponding to a preset low angle region and equal to or less than a preset level or detects an initial abnormal waveform diagram of the rectified voltage and provides a control signal corresponding to the abnormal waveform period, and controls a current path for light emission of the lamp.