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2014-10-10
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2.1 Protel 99 SE½éÉÜ3
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2.3 Protel 99 SEµÄÌصã4
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ABSTRACT
LED is a kind of energy can be transformed into a semiconductor light emitting devices are solid state light sources. As in recent years, high light efficiency, high brightness white LED's developed, making the field of LED lighting applications possible. As a new type of LED light source, long life, start time is short, UV and color rich and full, low security and so on. High-brightness white LED fluorescent tube LED as a light source, with advantages of LED light sources. LED fluorescent lamp fluorescent lamp length and the length of ordinary fully consistent, you can completely replace the current widespread use of fluorescence-based fluorescent lamps, has a broad market prospect and huge commercial value. LED fluorescent light with its high efficiency, and compatibility with the traditional fluorescent lamp seat, is gradually took to the stage lighting.
In this paper, LED fluorescent light of the design process for a systematic introduction, main content is part of the design of LED Fluorescent Lamp, power supply, constant current driver and LED light source array.
Keywords: light-emitting diodes, fluorescent lamps, constant current drive, lighting