McDermott Will & Emery LLP
Light emitting diode driver
There is provided a light emitting diode (LED) driver removing signal interference by varying a switching frequency within a preset range. The LED driver includes a power supply section switching input power and supplying driving power to at least one LED; a switching control section controlling the switching of the power supply section according to a clock signal being supplied; and a clock signal generation section supplying the clock signal having a preset variable frequency range to the switching control section.
Samsung Electro-Mechanics Co., Ltd.
H H H Y H H
H02M H05B H03K Y02B H02M H05B
inventional inventional additional additional additional inventional
Jung Sun Seung Kon Bo Hyun Jae Shin Jung Hyun
Kwon Kong Hwang Lee Kim