What is an LED?

Published: 13.1.2023

Modified: 28.2.2025

Reading time: 9 minutes

Author name: Janne Halttu

Summary

LED stands for Light Emitting Diode
LED works on the principle of a PN diode, producing light
LED efficiency is higher than conventional incandescent lamps
LED colour depends on the semiconductor material and the degree of mixing
LED technologies include DIP, SMD, COB and Filament

Janne Halttu

Janne Halttu Owner

LedStore.fi entrepreneur who has built 4 detached houses and renovated several properties. 20 years of construction experience has given me a lot of knowledge about structures, and electrical work for several houses. I have worked with LED lighting for over 10 years. I am an expert in Led lighting, I write articles and I am a lighting designer. I often help clients with electrical and structural issues related to lighting and house construction.

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