Patent ID: 7916243

Claim:
A dual liquid crystal display device, comprising: a first liquid crystal display panel displaying an image on a surface thereof; a second liquid crystal display panel displaying an image on a surface thereof, said second liquid crystal display panel and said first liquid crystal display panel being formed on a same substrate to display said images on opposites sides of said dual liquid crystal display device; a light source disposed at an adjacent side under the first liquid crystal display panel; a light guide disposed under the first and second liquid crystal display panels, said light guide including: a first light guide block corresponding to the first liquid crystal display panel and having light reflecting dot patterns formed on a predetermined surface thereof; and a second light guide block corresponding to the second liquid crystal display panel and having taper-cascade grooves for reflecting light formed on a predetermined surface thereof; and a housing seating the first and second liquid crystal display panels, the light source and the light guide and having an opening to correspond to the surface displaying said image of said second liquid crystal display panel.