公开(公告)号：US20150002045A1

公开(公告)日：2015-01-01

申请号：US14029028

申请日：2013-09-17

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Jong Tae HWANG ,  Sang Hyun CHA ,  Chan Woo PARK ,  Je Hyeon YU ,  Deuk Hee PARK ,  Chang Seok LEE ,  Yun Joong LEE

IPC: H05B33/08

CPC classification number: H05B33/0848 ,  H05B33/0824

Abstract: There are provided a light emitting diode driving apparatus and a light emitting diode lighting apparatus capable of absorbing a noise current generated according to power of a phase control of a dimmer. The light emitting diode lighting apparatus includes: a dimmer controlling a phase of an alternating current (AC) power; a power supplying unit receiving the phase-controlled power from the dimmer and supplying a preset driving power; a driving unit receiving the driving power from the power supplying unit to drive a light emitting diode unit receiving the phase-controlled power; and a noise current absorbing unit suppressing an increase in a voltage level of the driving power supplied to the driving unit by the phase-controlled power.

Abstract translation: 提供了能够吸收根据调光器的相位控制的功率产生的噪声电流的发光二极管驱动装置和发光二极管照明装置。 发光二极管照明装置包括：控制交流（AC）功率相位的调光器; 电源单元，接收来自调光器的相位控制的电力并提供预设的驱动电力; 从所述供电单元接收驱动电力以驱动接收所述相位控制电力的发光二极管单元的驱动单元; 以及噪声电流吸收单元，其抑制通过相位控制电力提供给驱动单元的驱动电力的电压电平的增加。

公开(公告)号：US20140184086A1

公开(公告)日：2014-07-03

申请号：US13891948

申请日：2013-05-10

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD

Inventor： Yun Joong LEE ,  Je Hyeon YU ,  Sang Hyun CHA ,  Deuk Hee PARK

IPC: H05B33/08

CPC classification number: H05B33/0824

Abstract: There is provided an apparatus for driving a light emitting diode (LED), performing switching-operation with respect to a pair of LED groups by a phase difference of 180 degrees. The apparatus includes a switching unit that alternately switches a first LED unit and a second LED unit of at least one pair of LED units emitting light by receiving rectified power, in accordance with a predetermined phase difference, a current limiting unit that limits a current flowing in the at least one pair of LED units through the switching of the switching unit, and a driving control unit that controls switching driving of the switching unit in accordance with a voltage level of the rectified power.

Abstract translation: 提供了一种用于驱动发光二极管（LED）的装置，相对于一对LED组以180度的相位差执行切换操作。 该装置包括切换单元，其交替地切换至少一对LED单元的第一LED单元和第二LED单元，所述至少一对LED单元通过接收经整流的功率，根据预定的相位差，限制电流流动的限流单元 在至少一对LED单元中通过开关单元的切换，以及驱动控制单元，其根据整流功率的电压控制开关单元的开关驱动。