High-power LED packaging technology
Date:2010-11-24 16:20
hermal and chemical), etc., in which light-emitting efficiency and conversion efficiency is the key. Studies show that as temperature rises, lower quantum efficiency phosphor, the light decrease radiation wavelength will also change, causing the white LED color temperature, color changes, the higher temperature will accelerate the aging of phosphors. Because the phosphor coating by epoxy or silicone and phosphor from the deployment, lower heat dissipation, when subject to violet or UV radiation,
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