quantitykind:Luminance

Type
Description

Properties
$$J/L^2$$
$$cd/m^2$$
Luminance is a photometric measure of the luminous intensity per unit area of light travelling in a given direction. It describes the amount of light that passes through or is emitted from a particular area, and falls within a given solid angle.
$$L_v = \frac{dI_v}{dA}$$, where $$dI_v$$ is the luminous intensity of an element of the surface with the area $$dA$$ of the orthogonal projection of this element on a plane perpendicular to the given direction.
L_v
Annotations
Luminance(en)

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