Shenzhen Wonderful High Technology Co., Ltd.

1. The life of LED display
Technical information issued by LED display manufacturer show that the ideal state for LED display is 100,000 hours. The ideal state means under constant voltage and current, the time of LED emitter from lighting to off, it need 100,000 hours. LED display as civilian use device, its service life not more than 8 years. The function of LED display is viewing, when the display can be seen only at night, it means it is qualified, with use value.
2. LED display standard
LED display general specification standards issued in 1995. There are many companies known as meet the national standard. In this view, this standard has become obsolete. For example out of control points, the national standard for the ten thousandths. Such as φ3.75 indoor dual color LED display, the standard 640x480 resolution display is 7 square meters and 43,264 points per square meter, according to the national standard can have 90 points out of control.
3. LED display software is free
It is common problem in Chinese LED display manufacturers, only a few companies have licensed software. Piracy is illegal to use now.
4. Gray scale
Gray scale is an important indicator in dual-color and full color LED display, there are many 16 and 64 level grayscale LED display flooded inmarket and posing 256 gray scales. The cost is only 1/5 of 256 gray LED display. The easiest test way is to play a more intense campaign in LED display and see whether it clean or not.