Energy efficient transflective display

Abstract

An energy efficient transflective display system is disclosed. In one embodiment, the system comprises a reflector sheet and a multicolored illuminator sheet placed in front of the reflector sheet. A display panel is placed in front of the multicolored illuminator sheet where the display panel has a light valve.

We claim: 
     
         1 . An apparatus, comprising
 a reflector sheet,   a multicolored illuminator sheet placed in front of the reflector sheet,   a display panel placed in front of the multicolored illuminator sheet, the display panel having a light valve.   
     
     
         2 . The apparatus of  claim 1 , further comprising color filters. 
     
     
         3 . The apparatus of  claim 1 , wherein the light valve comprises a liquid crystal sheet situated between polarizer sheets. 
     
     
         4 . The apparatus of  claim 1 , wherein the reflector sheet includes one or more of: a metallic surface, a distributed Bragg reflector, a hybrid reflector, a total internal reflector, an omni-direction reflector, and a scattering reflector. 
     
     
         5 . The apparatus of  claim 1 , further comprising a partial mirror sheet placed between the display panel and the transparent backlight sheet. 
     
     
         6 . The apparatus of  claim 1 , further comprising a manual control that adjusts backlight power.