led video wall

 LED floor has been widely concerned since its birth. In recent years, with the continuous progress of installation technology, it has been recognized and applied in various industries. The production and maintenance of LED display outdoor LED floor also requires professional knowledge. How to realize HD display? To realize HD display, there must be four factors: first, the film source requires full HD; Second, the display needs to support full HD; Third, reduce the dot spacing of LED display screen; Fourth, the combination of LED display outdoor LED floor and video processor. At present, led full-color display is also moving towards higher definition display. 1. Improving the contrast of LED full-color display outside LED floor is one of the key factors affecting the visual effect. Generally speaking, the higher the contrast, the clearer and more eye-catching the image, and the brighter the color. High contrast helps to improve image clarity, detail performance and gray performa...

 3、 Design of LED display control circuit The LED control part is the core part that determines the display effect. The control circuit has a high-performance single-chip micro control chip. The controller sends the control signal and data to the LED driver chip through the internal control program. After receiving the signal, the LED driver chip generates the corresponding action, so as to realize the independent control of each red, green and blue LED light-emitting chip. 1. Outdoor LED floor drive system The function of LED driving part is to receive color data and drive the LED display screen to display according to the brightness value represented by the data. There are usually three # modes: constant current, constant voltage and constant current. The output current of the constant current drive circuit is constant, and the output DC voltage changes with the change of load resistance. The whole circuit is not afraid of load short circuit, but it is strictly proh...