![]() The substrate is to adopt die-casting aluminum alloy to make, the product evenness and uniformity have also got greatly improvement, in addition, the product weight has been reduced without decreasing any product stiffness and strong capacity, to save materials. Module is to adopt aluminum substrate design, the heat on PCB board would be directly conducted through aluminum, to directly dissipate the heat which is generated by LED chips and driving IC to outside, heat resistance is small, the conductive area is big, the whole aluminum substrate is the cooling fin of LED chips. Aluminum material is always the preferable choice for LED heat-dissipation system. The plastic conductive coefficient is about 1/500-1/6000 of metal, the conductive coefficient of aluminum is about 3 times of metal. Moreover, the heat generation of common cathode LED display is lower conventional LED display.īecause the aluminum material substrate of LED display has better heat conductivity and dissipation than plastic substrate. Why does common cathode LED display generate lower heat?Īccording to above contrast, we can understand that the power consumption and heat generation of common cathode are lower common anode. Usually, the LED of common anode LED display is given a voltage which is higher 3.8V (such as 5V) to supply unified power, the power consumption is high While common cathode is to supply accurate power separately to Red, Green, Blue according to their different voltage request (the voltage request of Red LED is about 2.5V, the voltage request of Green and Blue is about 3.8V), the power consumption is small by this way of common cathode power supply, the heat generation is also very low during the working of LED display.ģ. While the current of common cathode LED display is through LED to the negative pole of IC, the positive voltage drop has decreased, conductive resistance gets small. The current of common anode LED display is from PCB board to LED, RGB LED get unified power supply, which has increased the positive voltage drop of electric circuit. The direction of power supply is different. What is difference for Common Cathode and Common Anode LED Display?ġ). The LED display screen which is to utilize the common cathode technology can save energy up to 75% at the most, which would save a lot of electric cost annually.Ģ. Its current is flowing from LED chips to the negative pole of driving IC, so that it is named as common cathode. ![]() It can reduce the system power consumption by accurate power supply control system, to optimize product performance, to provide clients the common cathode aluminum display which is more competitive in market.Ĭommon cathode is a new technology to save energy for LED display screen, it is to divide R, G, B and provide power to them separately, accurate to distribute voltage and current to Red, Green and Blue LED chips to keep the R, G, B LEDs work at the optimal state. Now let us learn about the new display which has integrated common cathode technology on the base of aluminum substrate. ShenZhen Ruiling Optoelectronic has published new product-Common Cathode Aluminum Substrate LED Display, which has got high attention in market, the new LED display can save energy by 75%, this outstanding property has attracted clients to inquiry. ![]() The Integration of Common Cathode Technology and Aluminum Substrate has Saved Energy, Reduced Power Consumption, Prolonged its lifespan, Cost has been decreased, and its efficiency has got improvement. ![]()
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