Cool White Led Spectrum

In general white leds consist of two ish spikes of color in the spectrum with everything else very low in comparison.

Cool white led spectrum.

The terms warm white and cool white are references to the low and high end of this white light colour spectrum. The result of poor color spectrum is that some colors won t even be present even though it appears to us as white. The system is a mercury free alternative that is safer more controllable and precise than traditional bulb illumination options. The three primary types of color temperature for light bulbs are.

Cool white leds emit more blue and the radiation is classified as hotter although again humans have an alternative perception that determines the light is cooler. It is impossible to reliably manufacture leds of exactly the same color. Warm white has more red in it. Technically led chips can be made to emit a specific light colour and from the red blue yellow and pure white light spectrum.

This is why led technology is applied to various applications. Manufacturers produce white leds with outputs classed as warm white 2600 to 3700 k cct neutral white 3700 to 5000 k cct and cool white 5000 to 8300 k. In short though the color spectrum of white leds is generally horrible unless you get a really expensive one designed for full spectrum use. A power led i have emits yellow and purple to attain a cool white.

The range of color temperature. The higher the degrees kelvin the whiter the color temperature.