A stereoscopic image display device including a light source and a light controller for selectively transmitting or blocking light provided by the light source. The light controller includes a first substrate, and first and second electrodes alternatively formed on the first substrate along a first direction. The first and second electrodes are spaced apart from each other at a predetermined interval. The first and second electrodes are electrically connected, respectively, to first and second connection electrodes. The light controller also includes a second substrate which is substantially parallel to the first substrate, and third and fourth electrodes alternately formed on the second substrate along a second direction. The third and fourth electrodes are spaced apart from each other at a predetermined interval. The third and forth electrodes are electrically connected, respectively, to third and fourth connection electrodes.