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[Semiconductor Glossary (LEDs)] Luminance

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Luminance A unit for measuring light. Expressed in nit or cd/㎡ units. Luminance is a measurement of the brightness of light radiated from the light source– to be precise, it’s a value that indicates how bright the light source looks when the observer is looking at it from a specific direction. It is calculated by dividing luminous intensity of the light source in a certain range by the area of ​​the light source. 1 nit equals 1cd of luminous intensity per 1㎡.
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