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Why RGBW LED-Tape is better than RGB LED-Tape

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Grafik LED-Strip von watt24

What is the difference between RGB and RGBW LED strips?

The standard RGB LED strips combine three individual LED chips in one package - and, as the name suggests, in red, green and blue. Depending on how much current flows through the individual LED chips, their brightness changes.

This provides the human eye with a wide range of colours. If all three LED chips light up with full brightness, the result is white.

But white is not always white!

We humans perceive the light of the sun as perfect. Sunlight is composed of a certain mix of colours - comparable to a rainbow. And in a rainbow there is not only red, green and blue, but all shades of colour with smooth transitions. If you fan out the sunlight, which a rainbow does in principle, you get the picture on the right.

The values are given in nanometers (nm), the length of the wave range of light. You can clearly see that there are many colour gradients and different intensities. From these we get our perfect white. The quality of white light is indicated in the CRI (color rendering index). The maximum value of CRI 100 corresponds to the light of the sun.

For pleasant white light, a CRI of at least 80 should be used.

However, RGB cannot achieve such a value. Theoretically, a white is the result of the full luminosity of the three LED chips. In practice, however, this usually looks strange or wrong, since RGB LEDs have a strong color cast.

Find the RGBW LED Strips at WATT24

Art.-Nr.: 4058075436282
Powerful RGBW LED strips with 1000 lm/m for demanding applications. Product properties: f…

€143.99 net €121.00

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LEDVANCE RGBW LED setConsists of the colored RGBW LED tape LS PFM -1000 / RGBW / 827…

€205.12 net €172.37 €256.46

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LED set consisting of the colored RGBW LED tape from WELOOM, the Casambi PWM4 dimmer and…

€224.99 net €189.07

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Art.-Nr.: 4058075435896
Tax devices with high frequency technology. Product properties: radio wall control panel…

€93.18 net €78.30

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What is better about RGBW LED tapes?

RGBW LED tapes score points with an additionally applied LED chip that emits white. RGBW thus offers even more flexibility with regard to the colour spectrum offered. Above all, however, it enables "real" white light to be produced in different colour temperatures (Kelvin) depending on requirements and purpose.

And that saves energy, because not all LED chips have to go full throttle to produce white light.

Thus, especially with workplace lighting and the like, attention must be paid to this "extra chip".

Do you have questions about LED tape?

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