Two phosphor converted white LED with improved CRI

► New results on LED coated with blend of Y3Al4GaO12:Ce3+ and SrS:Eu2+ phosphors. ► All four emissions, viz. blue, green, yellow and red can be seen in mixture of phosphors. ► The colour can be tuned by changing the ratio of phosphor concentration in epoxy. ► Colour coordinates 0.32, 0.34 were typically obtained with CRI 85.