Pixel element for a LCD matrix, graphical LCD display comprising a plurality of these pixel elements and method of controlling the luminance of the pixel element respectively the display matrix

摘要

A liquid crystal display device is provided. The liquid crystal display device has a display surface, a sensing device for sensing a light source around the display surface, a control circuit responsive to the sensed light source to adjust a voltage to a controller, which adjusts a transmissivity of the display surface in response to the adjusted voltage.