LIGHT EMITTING CIRCUIT AND DRIVING METHOD OF THE SAME
摘要
<p>PURPOSE: A light-emitting circuit and a driving method thereof are provided to improve a power factor by using an AC direct driving type LED driver. CONSTITUTION: A plurality of groups(G1,G2) in at least one pn junction light-emitting device. The plurality of groups are serially connected. A bridge diode is prepared in a rectification circuit(120). A rectification device(171) is prepared in a circulation wiring(172). The rectification device is rectified in the forward direction.</p>
申请公布号
KR20130044445(A)
申请公布日期
2013.05.03
申请号
KR20110108511
申请日期
2011.10.24
申请人
WOOREE LIGHTING CO., LTD.
发明人
PARK, BYUNG HUN;KIM, HEE JUN;SHIN, SANG HYUN;KIM, DONG HWAN;KIM, SEON HO