Small spacing LED display screen through the past five years of development, in the clarity of the display panel has been greatly improved. As the density increases, the difficulty of reducing the pixel spacing decreases further
At the same time, the background support system of the LED display screen is undergoing a deep change. The signal drive system of the display screen, also known as the sending card, the receiving card. The transmission card has gradually developed from the original embedded PCI slot to the external independent power module.