Rainbow Light Optical Technology Co. Ltd. is going to display four kinds of measurement instruments to provide the best and complete LED measurement instruments. Rainbow-Light micro-spectrometer is made by MEMS technology and applied on the development on LED measurement instruments. Spectral deviation is within plus or minus 0.1nm, reproducibility is with four ten thousandths, and resolution is within 0.8~1.5nm FWHM Features of LED Luminous Decay Monitoring Instrument: 1.    Monitoring the change of LED luminous decay in the reality in o...