Quality of interior lighting - Use and design of spaces

4 important questions on Quality of interior lighting - Use and design of spaces

What is the first task of a lighting designer?

The determination of the key parameters guiding the lighting design

What are (4) key aspects of lighting design?

  • User-specific needs: main viewing direction, daylight needs
  • Utilization: visual tasks, communication and concentration needs, level of dirt accumulation
  • Room characteristics: workspaces/areas dimensions, luminous reflectances of ceiling, walls, floor, windows
  • Building characteristics: orientation, management system, obstruction

Direct lighting concept (definition + plus and minus points)

Luminaires directed at task area
+Light directed at task area
-Little to no light towards to ceiling -> appears dark
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Indirect lighting concept (definition + plus and minus points)

Luminaires directed at the ceiling
-Appears dull -> too diffuse: no shadows
-Lost a lot of energy
+Often used in halls to make spaces look bigger

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