Wang Xi-day: LED lighting industry, Difficulties and Solutions
fecha:2010-11-23 16:43
Low-power LED lights, LED string can be, and required constant current power supply; and in high-power LED series LED lamps were to be more constant power supply, which is more complicated; there both string and and the grid network structure of the LED matrix, must be both constant current and voltage regulator power to do.
3.LED sworn enemy is the heat lamp, LED module IV characteristics at different temperatures are quite different. So in addition to screening under the conditions of 60 ℃
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