A liquid crystal display module includes a liquid crystal display panel to display an image; a back light unit to irradiate light onto the liquid crystal display panel includes a luminescent lamp to emit light, a light guide panel to convert light emitted from the luminescent lamp into plane light and to emit the plane light, a lamp housing to fix the luminescent lamp to the light guide panel, the lamp housing condenses the light generated from the luminescent lamp, a reflection plate formed on the rear surface of the light guide panel to reflect light, and optical sheets formed on the front surface of the light guide panel; a main support to receive the liquid crystal display panel and the back light unit; and a reinforcing member formed on the rear surface of the light guide panel and overlapping the lamp housing and the reflection plate.