Patent ID: 7408598
Filing Date: 2008-08-05
Classification: G02F,G06F,G06K,G09G

Abstract:
1. A light sensitive display comprising: (a) said display selectively causing pixels to provide light, wherein said display include a front electrode layer, a rear electrode layer, a liquid crystal material located between said front electrode layer and said rear electrode layer, changing an electrical potential between said rear electrode layer and said front electrode layer to selectively modify portions of said liquid crystal material to change the polarization of the light incident thereon, a plurality of light sensitive elements located together with said rear electrode layer; (b) a backlight within said display; (c) at least one light sensitive elements located together with said rear electrode layer within said display within the boundaries of the display matrix suitable to determine a change in the light level to a level less than the ambient light level; (d) modifying the intensity of said backlight based upon said sensing of said ambient light by said at least one light sensitive elements; (e) wherein said light sensitive elements are located at selected intervals within said display matrix in a manner such that selected pixels do not have an associated said light sensitive element.