THe maturity of LED lighting applications Contributes to large demands of high power LED. theLEDPackaging plants have been actively introducing COBHolder forHigh power LED in recent years. however, some manufacturers have pointed out that theProcessing of COB holder is greatlyDifferent fromthe traditionalPPAHolder and the industry is more apt to develop EMC holder allowing for equipmentBuilding.IT is said that LED using EMCHolder has Reached 3W over-drive and isProgressing towards 5W.