An LED lamp driving circuit includes: a thermistor having one terminal through which an external voltage is applied; an AC-DC conversion unit connected to the other terminal of the thermistor and converting an AC voltage applied to the other terminal of the thermistor into a DC voltage; and a DC-DC conversion unit converting the DC voltage from the AC-DC conversion unit into a DC voltage required to drive the LED lamp.
申请公布号
EP2418919(A3)
申请公布日期
2014.06.04
申请号
EP20110170768
申请日期
2011.06.21
申请人
SAMSUNG ELECTRONICS CO., LTD.
发明人
JEE, YONG KEUN;SONG, BYUNG KWAN;NA, YUN WHAN;KIM, JIN JONG;IM, SUN WOO;KIM, SEOK KYU;KIM, HYUN KYUNG