engineers doubt the quality of LED lighting key is to do a good job cooling

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LED light stability, the quality is good or bad and led panel light body heat to the heat of the high brightness LED lamps on the market, usually with natural cooling effect is not satisfactory. Heat is not ideal, the life of the lamp itself will also be affected. The coolin g material of the industry should not only focus on heat dissipation coefficient, while ignoring the thermal resistance. If you only see some kind of heat patch, thermal grease, thermal paint or thermal coefficient of thermal conductivity of film is very good, he said that the high thermal conductivity out, you may be disappointed. The expected temperature drop as a result, the LED epitaxial will not light failure due to overheating, street lamp life can effectively extend the acceptance of the smooth clearance of the case, may not occur. From the substrate lines etched on the tin, coated Downlight backlight ink protective film into the oven bake ...