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:
Jan. 02, 2018
Filed:
Mar. 31, 2016
Samsung Electronics Co., Ltd., Suwon-si, KR;
Hyun Jung Kim, Yongin-si, KR;
Bong Jin Lee, Hwaseong-si, KR;
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Abstract
A light emitting diode (LED) driving apparatus includes: a power supply circuit supplying driving power to a first LED group and a second LED group, the first LED group and the second LED group being configured to emit light having different color temperatures; a current controlling circuit controlling a first magnitude of a first current flowing through the first LED group and a second magnitude of a second current flowing through the second LED group; and an LED controller concurrently controlling on/off switching operations of a first LED of the first LED group and a second LED of the second LED group.