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LED 标准光源的出现很好的解决了这个问题。可用于LED、LED背光模组、显示、仪表等行业亮度计、色度计、CCD的校正计量、/span>
With the help of stableLED-luminance standardsit is possible to check the stability of your measurement equipment.
The stability of the luminance is realized through a temperature control with a Peltier-element and a intensity control with a spectral matched photo element. Only selected LED's in 5 mm housings are applied.
| LED White | LED Blue | LED Green | LED Yellow | LED Amber | LED Red | |
|---|---|---|---|---|---|---|
| L (cd/m2) | 440 |
80 |
500 |
210 |
300 |
240 |
| x | 0.3300 |
0.1300 |
0.2000 |
0.5700 |
0.6400 |
0.6900 |
| y | 0.3200 |
0.0600 |
0.7200 |
0.4200 |
0.3600 |
0.3100 |
| dom(nm) | 470 |
533 |
590 |
603 |
620 |
|
| CCT (K) | 6300 |
On customers demand also further colours can be realized. Therefore the customer has to choose in partnership with TechnoTeam the LED type of a conforming (or relating) 5 mm LED. Thus the LED type must be according necessary stability properties and furthermore must be chosen from a larger charge (appr. 100 LED's) of LED's with similar attributes (luminous intensity colour light spread charcteristics).
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