... defects.2, No glare, smoothly irradiation. No shortcomings of traditional LED lamps, the real full lighting illumination. (COB) 3, Easy ... :>50000hoursCOB LED Advantage1.COB LED is less thermal resistanceAmong different LED components such as high power LED,SMD,dip etc,COB LED is ... up,it look smoothand like a lighting panel,SMD LED,HP.5mm LED:Heavy dizzy,uncomfortable glare,heavy zebra strips,when ...