Month: December 2019

About the invention of the light bulb – and who it really was

THE LIGHT BULB What would we do today without artificial lighting? Probably grope in the dark – literally. Artificial light is everywhere, it...

Something about the history of SEGULA, the LED illuminant and the LED lamp For more than 10 years, the SEGULA brand has stood for the highest...

AMBIENT DIMMING TECHNOLOGY DIMMABLE IS NOT JUST DIMMABLE SEGULA succeeded for the first time in the LED light source market in the 2016 season...

THE UNIT OF BRIGHTNESS LUMEN AND LUMINOUS FLUX DEFINITION: Lumen (lm) is the unit for the so-called luminous flux and indicates how much...

AND HOW DOES an LED illuminant ACTUALLY WORK? LED = LIGHT EMMITTING DIODE Light emitting diodes consist of 2 layers of semiconductor...

or the LED light string WHAT IS A LED FILAMENT AND HOW DOES IT WORK? The LED filament is a LED filament on which individual diodes are applied...

Influence of light colour on our lives WHAT IS LIGHT COLOUR? “White is not white” – very true. The light colour has a great...

WHAT IT IS AND WHAT IT MEANS WHAT IS COLOUR TEMPERATURE Colour temperature is given in Kelvin and is the code for the light colour of a light...

WHAT IS THE DISPLACEMENT FACTOR? On most light source packaging we find the indication “Displacement Factor”. But very few...

How light is created and why we see it GENERAL INFORMATION ABOUT THE LIGHT Light is life – it surrounds us, always and everywhere! We orient...