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What is the difference between luminance and luminous intensity?

April 26, 2017difference intensity luminance luminous

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What is the difference between luminance and luminous intensity?

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Luminous intensity refers to the overall brightness, from a lamp LED, for example, without regard to the area of the light source. Luminance indicates the degree of brightness over an area, such as from a display device. The greater the source area the higher the luminance. The luminance is normally obtained by dividing the luminous intensity by the light source area.