A stereoscopic image display device, includes an array substrate having a thin film transistor; a color filter substrate opposing the array substrate and having black matrixes disposed in first and second directions; a plurality of black stripes formed on the color filter substrate and corresponding to the black matrix in the first direction; a patterned retarder film formed on the plurality of black stripes; and wherein line widths of the plurality of black stripes increase towards first and second ends in the second direction. Due to the invention, the cross-talk problem can be improved.