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Application of monochrome LED
Apr 24, 2017

Originally led as the indicator light source, later a variety of light color led in traffic lights and large area of the display has been widely used, resulting in good economic and social benefits. An example of a 12-inch red traffic light, which was originally used in the United States for a long life, low-efficiency 140 watts incandescent lamp as a source, it generates 2000 lumens of white light. After the red filter, the light loses 90%, leaving only 200 lumens of red light. In the new design lamp, the Lumileds company adopts 18 red LED light source, including the circuit loss, altogether consumes 14 watts, can produce the same light effect.

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