Monthly Archives: June 2021

What are LEDs?
What are LEDs actually? What are the advantages of LEDs? Why should you buy LED?

LED is a more recent technical development for generating light with the help of electricity. The main advantage of LEDs is that LEDs save significant amounts of energy compared to older technologies such as incandescent lamps or fluorescent lamps. This makes LEDs environmentally friendly and significantly reduces energy costs.
The name LED is an abbreviation for “light-emitting diode”, which means light-emitting diode or light-emitting diode. An LED essentially consists of a semiconductor crystal, as it is also used in microchips.
LEDs have been around since 1962, but due to their low power they were mostly only used for light displays and the light color blue could not yet be manufactured. It was only at the end of the 1990s that the field of application of LEDs expanded enormously. For the first time it was possible to build white LEDs thanks to the development of the blue

Many people may have already seen that in a room that is completely illuminated in red, red things can hardly be seen, if at all. Red is therefore not reproduced in red light, it absolutely does not stand out from its surroundings, with blue looking completely black. The whole thing has to do with the color rendering of a light source. This color rendering is described in an index. Often there is also the abbreviation “CRI”, which is simply the English term for it. CRI is simply the abbreviation for "Color Rendering Index". In German, CRI is translated as “color rendering index” (abbreviation “Ra”). However, both are the same.

All well and good, but what is the CRI value and what does it say?

What does the CRI value mean?

As I already indicated in the introduction, color perception depends very much on the light source. For example, sunlight has the best color rendering there is. Each color looks very natural and that is exactly our reference. So if we go back into