Patent ID: 7280172

Claim:
A liquid crystal display device comprising: a light guide plate including a body comprising a side face having a light incident section, an upper face and a lower face, which form a three-dimensional structure, and a light reflection pattern formed on a surface of the upper face non-parallel with respect to a boundary line formed between the light incident section and the upper face, so as to allow at least a first portion of the light to be directed towards the lower face, the light reflection pattern defining a first area and a second area, the second area is darker than the first area; a lamp assembly facing the light incident section and including a lamp having a rod shape, the lamp having an effective light emitting area positioned at a central portion of the lamp and a non-effective light emitting area positioned at opposing end portions of the lamp, the effective light emitting area corresponding to the light incident section and at least a portion of the non-effective light emitting area of only one of the opposing end portions of the lamp extending beyond the light incident section; and a liquid crystal display panel including pixel electrodes for reflecting the light and a liquid crystal for adjusting a transmission degree of the reflected light, the liquid crystal display panel being positioned below the light guide plate.