LED
An LED is a ‘light-emitting diode’ and in the graphics industry stands for the new ‘LED’ light, which has replaced older light sources such as neon tubes and tungsten lamps. Neon tubes are mainly known from the area of D50 or D65 standard light, while tungsten light sources were mainly used in colour measuring devices such as spectrophotometers and colourimeters. Today, LED light sources are predominantly used for both standard light and colour measurement light, as they can be better spectrally adapted and often emit a more harmonious light spectrum, …