Patent ID: 7525531

Claim:
An image display comprising: a lighting device; a liquid crystal display panel that is adapted to cause the light that comes out of said light device to travel through a liquid crystal layer forming a display screen with varied transmittance to display an image; and a driving means that is adapted to alter the transmittance of said liquid crystal display panel to display an image corresponding to a video signal, characterized in that the lighting device includes: a light source; a light exit surface through which the light from said light source comes out; and a luminance distribution setting alteration means that alters the setting of the luminance distribution on the light exit surface, the luminance distribution setting alteration means being adapted to determine a luminance histogram of a pixel in the video signal and alters the luminance distribution on the light exit surface according to said determined histogram, wherein said luminance distribution setting alteration means is arranged between said light source and said light exit surface and said luminance distribution setting alteration means directly alters the distribution setting of the luminance from said light source.