Samilux
space ambience innovative lighting

illumination lighting solutions for your home and all others projects.

Basic for good lighting

  • Level  of lighting 
  • Luminance distribution
  • Glare limitation
  • Directional of light modelling
  • color of light -color rendering
Level of lighting 
  • The level of lighting has a direct bearing on visual performance. The level of lighting in a room is described by nominal illuminance  for which a spacial and temporal mean value should be calculated for furnished room as a whole or for areas of the from used for specific purposes. service illuminance is generally measure on a horizontal plane 0.85m above the ground .
Luminance distribution
  • The luminance (brightness) distribution in a room is determined by illuminance distribution and surface reflectance. The human eye adapts to differences in brightness. However, where luminance is inadequate ,visual performance is impaired and where differences in brightness are marked , constant adaptation produces.symptoms of fatigue. A balanced Ev:Eh ratio creates good visual conditions and improves visual communication with the environment.
Glare limitation
  • Glare impairs visual performance  A distinction is made between direct and reflected glare. Direct glare is caused by excessive luminance from lamps and luminaires. It depend on the luminance and size of luminaires within the observer's field of vision,their position within the visual field the viewing direction , the level of illuminance and reflectance of room surfaces (wall, floor, ceiling) .Glare assessment for luminaries is base on measurements in the area of light emission above 45degree to the horizontal at eye level. Reflected Glare is caused by high luminance reflected on bright surfaces. It ca have a disturbing  impact and reduce luminance contrast on the working plane. The right choice of luminaire and correct luminaire arrangement , e.g lateral incidence of light from angled or wide-angle luminaires, can prevent disturbing reflected glare.
Direction of light and modelling
  •  The direction of light and the creation of shadows (modelling) influence the visual information we received about the things around us. The light distribution of the luminaries and their arrangement in a room determine the direction of light, which in turn affects the formation location,and depth of shadows. The direction of light must therefore be tailored to suit the visual tasks being performed. A certain degree of modelling can be useful for highlighting certain areas of a room or drawing attention to hazards. For general interior lighting , balanced modelling with soft-edged shadows is correct. As a general rule, hard ,deep shadows should be avoided . So as should a total lack of modelling.
Light color / color rendering
  • The light color i.e. the color appearance of a lamp, depends, on the lamp 's spectral radiance distribution.The light color of lamps is divide into three categories  warm white, neutral white and daylight white. In room used for relaxation or recreation, and rooms where importance is attached to physical comfort, warm white with a relatively high red content is particularly recommended. The color rendering properties of lamps have a marked effect on the appearance of illuminated colored objects. Degree color rendering showing in the general color rendering index Ra. Lamps are divided into 4 color categories.

 
 

 

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