ILEXA Lichttechnische Entwicklung

Contact details

  • Werner-von-Siemens-Str. 4a
  • 98693 Ilmenau
  • Germany

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About Us

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ILEXA was founded in 2000 as a “spin-off”-company emerging from the special field of Lighting Engineering of the Ilmenau University of Technology.

For 14 years now, we have been ensuring the straightforward, direct transfer of Know-how between research and industry in this field.

We offer customized, innovative services and special solutions in the fields of applied lighting engineering and optical radiation, with main emphasis being placed on consultancy, development, measurement and software.

Range of services

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  • advice on general and specific lighting-engineering questions

  • development of lighting-engineering special devices and prototypes for mass production preparation

  • development and calculation of reflectors, simulation, metrological validation

  • ray data measurement, own software “Ray-Viewer” for the analysis, visualization and processing of ray data

  • independent photometric laboratory

  • working out of lighting-engineering concepts, dimensioning of devices, implementation of feasibility studies



Our clientele includes:

Manufacturers of lamps, LEDs, luminaires and components, development engineers, optics designers and design engineers, light designers, light planners, ergonomics specialists and light users, engineers of the automobile industry and its suppliers, employers  and trade associations as well as registration offices and technical testing laboratories.


Research and Development

Reflectors and optical systems We carry out the dimensioning and planning of reflectors, optical...

ILEXA Lichttechnische Entwicklung Werner-von-Siemens-Str. 4a 98693 Ilmenau Germany +49 3677/46633-0



ILEXA Ray-Viewer – Analysis, processing and conversion of ray data The primary purpose of the...

ILEXA Lichttechnische Entwicklung Werner-von-Siemens-Str. 4a 98693 Ilmenau Germany +49 3677/46633-0

Exhibitor at the following trade fair

Light+Building 2016

13.03.2016 - 18.03.2016 Hall: 4.1 Stand: K 50