LED light-emitting characters are the mainstream of the current light-emitting characters, mainly because the LED cold light source is 12V low-voltage. Its greatest advantages are energy conservation, durability, extremely low maintenance rate, and wide range of applications. The LED used by our company uses the electronic chip of HP, which ensures the stable brightness of LED light source, long service life, and low energy consumption, which is about 15% of the energy consumption of fluorescent lamps.