IEVref:845-21-114ID:
Language:enStatus: Standard
Term: averaged LED intensity
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Definition: illuminance averaged over a circular aperture of 100 mm² area normal to the LED's mechanical axis at a distance of 100 mm for CIE Standard Condition A or 316 mm for CIE Standard Condition B from the tip of the LED, multiplied by the square of the distance and divided by a unit solid angle

Note 1 to entry: A detailed method of measurement is given in CIE 127, Measurement of LEDs.

Note 2 to entry: The geometric conditions CIE Standard Condition A and CIE Standard Condition B, which correspond to symbols ILED,A and ILED,B respectively, are defined in CIE 127, Measurement of LEDs.

Note 3 to entry: The averaged LED intensity is expressed in candela (cd).


Publication date:2020-12
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