| 摘要 |
The present invention relates to an LED driving device and a method for driving an LED by using the same. According to one aspect of the present invention, an LED driving device includes: a light source unit including first to nth LED groups sequentially connected in series; and a driving control unit having first to nth input terminals respectively connected to output terminals of the first to nth LED groups for controlling each of first to nth input currents which are inputted to the first to nth input terminals through first to nth current sensing signals generated by reflecting the first to nth input currents at predetermined ratios. |
