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We simplify lighting
design for you.


This is what we do:

DIALux evo


We develop the world's leading lighting design software, free of charge and available in 26 languages. Find out why lighting designers and luminaire manufacturers rely on DIALux evo and download the software.


www.dialux.com

Academy


In our Academy, participants learn how to optimally design light and control intelligent buildings. Of course, we also show how to use our lighting design software DIALux evo quickly and efficiently. In seminars and online formats.


Academy

Light Lab


In our photometric lighting laboratory, we measure luminaires and lamps from and for manufacturers. We confirm lighting competence and determine all photometric quantities. In addition, we offer individual services and express measurements.


Light lab

News


Receive news about DIAL and discover exciting events.
 

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LICHTROUTEN 2025 – New Energies

 

From March 20 to 29 the "Lichtrouten 2025" will take place in Lüdenscheid under the title “New Energies”. International artists will present light installations in urban spaces that will showcase the city and its architecture in a new light. DIAL is participating for the first time as an exhibition venue with works by François Morellet and Brigitte Kowanz, as well as hosting the"Lichtrouten Artists' Hub" and the accompanying "Lichtrouten Conference".

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Article


We deal with many exciting topics around light and smart building.
 

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GLDF

The Global Lighting Data Format is a new, modern and modular lighting data format. It not only includes ROLF and ULD, but also supports complex luminaires and sensors, and saves effort in creating and interpreting lighting data. Open and freely available. Developed by DIAL and RELUX.

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Smart Building Design

 

In 2018, we published our first book on the topic of intelligent architecture with Birkhäuser Verlag.

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