Radiant Research Ltd is the solid state lighting division of IST which designs and manufactures advanced solid state lighting products from LED light engines through to driver solutions. All LED driver technology designed and produced by Radiant Research incorporates our unique patented technology Colour Cool™ (GRANTED in UK & USA) to ensure optimum LED efficiency of multiple channel systems. This unique and patented driving technology uses Pulse Amplitude Modulation (PAM). This technique provides optimum colour mixing (RGB/A/W) and full additive luminosity which, integrated into our closed loop temperature monitory system, ensures optimum LED output regardless of environmental conditions.