1. A Liquid Crystal Display (LCD) device comprising: an upper substrate in having a plurality of red (R), green (G), blue (B) and white (W) color filters; a lower substrate having a plurality of R, G, B and W sub-pixels in respective regions defined by intersection of a plurality of gate lines and data lines; and a liquid crystal layer between the upper substrate and the lower substrate, wherein, each of pixels is configured with three sub-pixels among the R, G, B and W sub-pixels, and pixels of the plurality of pixels, which comprise a W sub-pixel, share a one-color sub-pixel comprised in a pixel adjacent thereto, and display a color image.