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luminous intensity

   Also found in: Medical, Encyclopedia, Wikipedia 0.04 sec.
luminous intensity
n.
The luminous flux density per solid angle as measured in a given direction relative to the emitting source.
luminous intensity
n
(Mathematics & Measurements / Units) a measure of the amount of light that a point source radiates in a given direction. It is expressed by the luminous flux leaving the source in that direction per unit of solid angle. Symbol Iv
luminous intensity
The luminous flux per unit solid angle (per steradian), as measured in a given direction relative to a light source. Its unit is the candela. See also luminance.


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In order to improve the situation, NIST has investigated the technical problems and is developing standard LEDs and recommended measurement methods for luminous intensity, total luminous flux, and color (chromaticity and dominant wavelength).
NIST DEVELOPS PHOTOMETRIC AND COLORIMETRIC STANDARDS FOR LEDS by Journal of Research of the National Institute of Standards and Technology
At night, the entire building lights up like a huge, free-form Japanese paper lantern, glowing with a softly luminous intensity.
Light box by Slessor, Catherine / The Architectural Review
Available in Red, Amber and Red-Orange colors, Avago's new HLMP-Exxx series of 5 mm aluminum indium gallium phosphide (AllnGaP) LEDs are highly reliable and provide high luminous intensity with low forward voltage to meet the needs of designers who need a low-power lighting solution.
Avago Technologies Announces New Series of High-Brightness LEDs for ... by Business Wire
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