vegoo LED Display is Fixed Led Display for Outdoor manufacturers and suppliers in China who can wholesale Fixed Led Display for Outdoor. We can provide professional service and better price for you. If you interested in Fixed Led Display for Outdoor products, please contact with us. Tips: Special needs, for example: OEM, ODM, customized according to demands, design and others, please email us and tell us detail needs. We follow the quality of rest assured that the price of conscience, dedicated service.
"Common cathode"is actually an energy-saving technology for LED display.Due to the different working voltages and currents required by the R ,G,B (red,green,blue)lamp beads, the current in the common cathode power supply mode will first pass through the lamp beads and then to the IC cathode .Reduce the forward voltage drop,reduce the on-resistance,and achieve the purpose of energy saving.
