To understand what lighting RGB LEDs means we must first understand what these letters mean. The “R” means red, “G” means green and “B” means blue. These three combined colors of LEDs when they vary in intensity, have the capacity to produce more than 16.7 million colors different. Impressive right? Many people do not understand how a single luminaire has the ability to produce as many different colors.
Here’s how it works: On a red LED, there are 256 or color shades. The red is a primary color, it is the key to making these 16.7 million different colors, as are green and blue. All three colors have 256 different levels or grades, and varying the intensity of each, you can create 16.7 million colors.
Do the math:
256 X 256 X 256 = 16,777,216
In lighting, we have the ability to vary the LED lighting intensity such as E27 socket, and lighting devices use different types of methods to achieve it, but the ultimate goal is always the same: to adjust the intensity of the colors red , green or blue to create the desired color.
In the world of DMX (RGB LED control system) most controllers have the ability to create 256 different color levels levels. The levels range from 0 to 255, so black (light off) to full intensity or pure red if we use the red LED. The values of DMX control system correspond perfectly with the color intensities to create exactly the color you are looking for.
The various forms of lighting LEDs RGB
RGB LED Lighting comes in many different forms. Most of all RGB LED lighting formats will feature the same … an RGB LED. Normal LEDs typically have an anode and a cathode. The electric current goes through the anode and cathode by the spring, producing light. In a RGB LED lighting, there are three cathodes and an anode. Each cathode is connected to one color (either red, green or blue) and 16.7 million different colors are produced by giving the impression that there is only one LED.
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