Lcd(liquid crystal display) is a flat thin display device, it consists of a certain number of color or black and white pixels. It always placed on the front of light source or reflector. Lcd monitor power consumption is very low, applicable to use the battery of electronic equipment. The lcd is a liquid crystal material as the basic components, to fill the liquid crystal material between two parallel plates, the voltage to change the internal arrangement of molecules of liquid crystal material, in order to achieve the purpose of shading and light transmission of different shades, patchwork image, and as long as the two plates together with the ternary color filter layer can be achieved to display color images. 58*32*13.5