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University Library
Freiburg, Germany

  • project University Library
  • buyer Freiburg City
  • architect Degelo Architekten Basel
  • lighting designer Lunalicht, Karlsruhe
  • photographer Oliver Kern

The library build­ing at the Uni­ver­sity of Freiburg is one of the largest libraries in Ger­many with 3.5 mil­lion printed and 1 mil­lion elec­tronic books and 247 ser­vice. Recently, it under­went an energy refur­bish­ment and upgrade, in which it was adapted to the require­ments of dig­i­tal learn­ing.

Through­out the build­ing 1,500 Pure­light pen­dant lumi­naires by Selux ensure opti­mum, effi­cient light­ing round-the-clock every day of the week. Ele­gant DALI-con­trolled lumi­naires pro­vide state-of-the-art day­light and pres­ence-based light con­trol and changeover to emer­gency light­ing mode. The 360° lumi­naires pro­vide hor­i­zon­tal, active light for pro­duc­tive learn­ing and work­ing.

At night the inte­rior light­ing enables this dis­tinc­tive build­ing to glow resplen­dently from the inside out­wards, thus reveal­ing the modern bustle inside this uni­ver­sity library.

  • Purelight Square and Round are constructed from extruded aluminum wide polycarbonate lens, polished die cast endcaps and wall brackets. Impact-resistant lens protects against dust, ensures high luminaire efficiency, and allows easy access to optical chamber. Satine polycarbonate lens provides exceptional uniformity and quality volumetric interior lighting. Selux offers multiple LED options including LEDs in static 2700K, 3000K, 3500K, or 4000K CCTs at 80+ and 90+ CRI, My White tunable white in 2700K - 6500K at 90+ CRI, BIOS SkyBlue® Technology at 83+ CRI, and RGBW. All LED options are within a 3-step MacAdam ellipse. Custom lumen outputs are also available upon request. Purelight My White is digitally controllable with DALI or DMX dimming drivers · Various light colors of your choice can be used for optically zoning architecture, creating perception, emphasizing key elements, and highlighting material.
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