McDermott Will & Emery LLP
Apparatus for driving light emitting diode
There is provided an apparatus for driving a light emitting diode (LED), capable of distributing current stress applied to the LED. The apparatus includes an LED part including a plurality of LED units respectively including at least one LED, the plurality of LED units being connected in parallel to a power input terminal to which rectified power in sine wave form is supplied, and, among the plurality of LED units connected in parallel, a termination end of the LED unit in a front end being connected to a middle of an adjacent LED unit; and a current source unit including a plurality of current sources respectively connected to termination ends of the plurality of LED units and allowing corresponding current to flow through the plurality of LED units.
Samsung Electro-Mechanics Co., Ltd.
H H Y
H05B H05B Y02B
inventional inventional additional
Deuk Hee Sang Hyun Yun Joong Jong Tae Jae Shin
Park Cha Lee Hwang Lee