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luminance |
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| Date: 2012-03-21 |
The definition of luminance
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Brightness - symbol is L, the unit is the number of candles per square meter (cd/m2)
Luminance is a surface area from a direction of light radiation unit volume; the surface may be on their own or just send light emitting objects ─ ─ like the sun, but light or other light may be reflected light (like street The light from street lights, and street light on a second light source). Luminance of the symbol is L, the unit is the number of candles per square meter (cd/m2).
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