Liquid crystal display

Abstract

A liquid crystal display including a layered structure having a liquid crystal control layer, a liquid crystal layer, and a window layer. The window layer includes an electrically conductive sensor structure comprising a force sensitive material. The electrically conductive sensor structure is adapted to provide a capacitance varying in response to a change in its surrounding environment and to provide a resistance varying in response to a force being applied to the window layer.

1 . (canceled) 
     
     
         2 . A display comprising a layered structure comprising:
 a liquid crystal control layer comprising an electrically conductive control structure for driving liquid crystals,   a liquid crystal layer comprising the liquid crystals, and   a window layer comprising a transparent cover for covering the liquid crystal layer,   wherein the liquid crystal control layer comprises additionally an electrically conductive sensor structure comprising a force sensitive material, the electrically conductive sensor structure being adapted to provide a resistance varying in response to a force being applied to the liquid crystal control layer.   
     
     
         3 . (canceled) 
     
     
         4 . The display according to  claim 2 , wherein the electrically conductive sensor structure is additionally adapted to provide a capacitance varying in response to a change in its surrounding environment. 
     
     
         5 - 9 . (canceled) 
     
     
         10 . A touch sensitive user interface, comprising:
 a display as defined in  claim 13 ,   a processing unit coupled to the electrically conductive structure of the display and adapted to determine a touching position of a user touching the display based on a capacitance of the capacitive touch sensor varying in response to a change in its surrounding environment, and to determine a force being applied by the user on the display based on the varying resistance.   
     
     
         11 . The touch sensitive user interface according to  claim 10 , wherein the processing unit is adapted to perform the determination of the touch position, the determination of the force and a control of the liquid crystals in a time multiplexed manner. 
     
     
         12 . (canceled) 
     
     
         13 . The display according to  claim 4 ,
 wherein the electrically conductive sensor structure implements a first side of a capacitive touch sensor,   wherein the display further comprises:
 a further electrically conductive sensor structure implementing a second side of the capacitive touch sensor. 
   
     
     
         14 . The display according to  claim 13 ,
 wherein the further electrically conductive sensor structure is part of a backlight layer.   
     
     
         15 . The display according to  claim 2 ,
 wherein the liquid crystal layer is arranged in-between the window layer and the liquid crystal control layer.   
     
     
         16 . The display according to  claim 2 ,
 wherein the electrically conductive sensor structure is arranged adjacent to a backlight layer of the display.   
     
     
         17 . The display according to  claim 2 , further comprising:
 a backlight layer arranged in-between the liquid crystal layer and the liquid crystal control layer.   
     
     
         18 . A display comprising a layered structure comprising:
 a liquid crystal control layer comprising an electrically conductive control structure for driving liquid crystals,   a liquid crystal layer comprising the liquid crystals, and   a window layer comprising a transparent cover for covering the liquid crystal layer,   a backlight layer,   an electrically conductive sensor structure comprising a force sensitive material, the electrically conductive sensor structure being adapted to provide a resistance varying in response to a force being applied to the liquid crystal control layer,   wherein the backlight layer is arranged in-between the window layer and the electrically conductive sensor structure.