A stereoscopic image display device comprises a display panel, and a lens panel disposed on one surface of the display panel, wherein the lens panel includes, a lower substrate, a lower electrode layer having electrodes divided in plurality on one surface of the lower substrate, a liquid crystal layer disposed on the lower electrode layer and tilted in a lens form, an upper substrate combined to the lower substrate, and an upper electrode layer disposed on one surface of the upper substrate and having pattern omissions where a part of electrodes is omitted in areas corresponding to a surface of discontinuity of the lens form.