Principle of LCD

　　"The principle of liquid crystal display is relying on in the middle of the two pieces can be conductive glass in the LCD screen, and electric field reaction taking place between two electrodes, liquid crystal molecules are distortion phenomenon of electromagnetic effect, thus regulate the function of light projection and shelter, through the power control button cause the phenomenon of light and shade, enables the display to show the effect of the image, if When we install a color filter, the image will appear in color.