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Lumen method
The lumen method serves to provide approximate calculations for planning indoor lighting systems. The method is used to determine the number of luminaires ...
Mon, 27 Jun, 2016 at 3:57 PM
Luminaire classification
Pursuant to DIN 5040, Parts 1 and 2, luminaires can be classified by their luminous flux distribution, among other things, for various lighting application...
Wed, 29 Jun, 2016 at 9:23 AM
Luminance (L)
Unit of measure : candela per m² (cd/m²) Luminance is the basic luminance perceived by the human eye. It is decisive for the impression of brightness...
Wed, 29 Aug, 2018 at 10:06 AM
Luminance limit angle
An unshielded lamp in the direct line of vision is a potential source of direct glare caused by excessive luminance. There are two ways of avoiding dir...
Wed, 29 Jun, 2016 at 9:16 AM
Luminiscence
Luminescence is the term used for all light radiation that is not thermal radiation. The most important light generation process involving luminescence is...
Mon, 27 Jun, 2016 at 4:06 PM
Luminous flux (Φ)
Unit of luminous flux : Lumen (lm) Luminous flux is a photometric measure of radiant flux, i.e. the volume of light emitted from a light source. ...
Mon, 27 Jun, 2016 at 4:10 PM
Luminous intensity (I)
Unit of measure : Candela (cd) Luminous intensity is an expression of the amount of light beamed in a certain direction within the interior. It is calc...
Mon, 27 Jun, 2016 at 4:13 PM
Luminous intensity distribution
The luminous intensity distribution pattern for a light source shows in which direction and with what intensity the light is emitted. The individual values...
Mon, 27 Jun, 2016 at 4:17 PM