Researchers have developed the first standard LED covering the full visible light, in collaboration with Nichia Corporation.
LED and OLED lighting, which is generally called solid-state lighting (SSL), is becoming more common as the next generation lighting. Evaluations of total luminous flux (a performance index for lighting) and color are important for SSL, and to evaluate those values, it is indispensable to measure the light intensity of each wavelength accurately based on spectral measurement. For accurate spectral measurement, the light source under test shall be compared to a standard light source as the reference standard. However, there has not been any standard light source covering the full visible light that suitable for high accuracy spectral measurement of SSL.
Researchers develop LED covering full visible light spectrum – [Link]
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