Patent ID: 8508462
Filing Date: 2013-08-13
Classification: G09G

Abstract:
1. A dimming structure for an image display device having a display panel to display an image, the dimming structure comprising: a backlight unit having a plurality of light sources disposed therein the backlight unit disposed to light the display panel; and a contrast panel disposed between the backlight unit and the display panel, the contrast panel having a light emitting window formed in a portion thereof corresponding to the image of the display panel to transmit light emitted from the backlight unit therethrough, wherein the light emitting window has a size smaller than that of the image outputted from the display panel, and wherein the contrast panel shifts the location of the light emitting window according to the shifted location of the image of the display panel, and wherein the light emitting window has a horizontal cross-section, of which shape varies in accordance with a shape of the image.