Diffuse lightexample

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Diffuse lightbulb

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Good to know:For uniform lighting, the distance between wallwashers and the wall should be around one third of the room height. The ideal distance between a pendant luminaire emitting light onto the ceiling and the ceiling itself should be at least 0.5 metres.

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Diffused lighting interior design

In short:Diffuse light emanates from large, luminous surfaces, producing uniform, soft illumination with little modelling due to contrasts and without brilliance. The opposite of diffuse light is directional light.

Indirect lighting is a type of lighting in which light is directed to the target surface due to reflection via another surface. If, for example, the light from a luminaire is directed towards the ceiling or walls and then reflected from there into the room, this is called indirect lighting. The relevant category of luminaires is called ceiling washlights or wallwashers. Because ceilings and walls usually have a matt surface, indirect lighting generates diffuse, uniformly scattered light that does not create harsh shadows. Indirect lighting is often used in combination with direct lighting to create a balanced mix of diffuse and directional light.

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The diffuse light leads to low shadowing and weak modelling. Shapes and surface structures are only slightly emphasised. Exclusive use of indirect lighting results in little spatial differentiation. Compared to direct lighting, indirect lighting requires a much higher luminous flux to produce the same illuminances on the working plane. The secondary reflector should have high reflectivity. Direct and reflected glare is largely avoided.