Character LCD Modules screen working principle and characteristics

LCD screen working principle is to use the physical properties of liquid crystal, when the electric conduction, make character OLED arrangement orderly, make the light easy through; 

Without power, becomes chaos, prevent light through. The following about the characteristics of the LCD screen for you: 

Now very common. It has small volume, light weight, save electricity, low radiation, easy to carry, etc. The principle of liquid crystal display (LCD) 

Very different from a cathode ray tube (CRT) monitor. lcd character display device is based on liquid crystal electro-optic effect. The way of display characters display device including; 

Matrix display of characters, graphics, image display device; Matrix display of large screen LCD LCD projection TV, etc.