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How to make the long life of the LED lamps
2012-12-19 15:26:35


LED lamps become the selling point of the classic drop carbon, energy saving, long life. As the fourth generation of lighting, LED lighting has been launched on to become the darling of the lighting market  

LED high energy-saving: saving energy is clean and is environmentally friendly, DC drive, ultra-low power consumption (0.03 watts -1 watt single tube) electro-optical power conversion close to 90%, the same lighting effects than traditional energy sources more than 80%.

LED environmental protection: LED is a green light, and the environmental benefits of better, no ultraviolet and infrared spectra, low in calories and no flicker, no radiation, and waste, no pollution, no mercury elements, cold light source, can be safely touch, typical of green lighting.

LED long life: LED light source is known as longevity light, solid cold light source, epoxy encapsulated, light body and no loose parts, there is no filament light easy to burn, heat deposition, the light fades fast shortcomings, the service life of up to 5 10000-100000 hours, 10 times longer than traditional light source life.

So what are the key technologies for the long life of the LED lamps?
The key technology of long-life LED lamps first selection of superior brand of LED light source, such as CREE, OSRAM; LED light source, the light fades and the quality of the LED die and Production, LED light source operating current, heat, LED light source, poor heat dissipation. light failure caused by the LED light source ahead of the arrival of the heat has been hard to break or LED lighting technology bottleneck.

Followed by less drive power with and without aluminum electrolytic capacitors Aluminum Electrolytic, because only 4000-12000 hours life aluminum electrolytic capacitors, which greatly affect the selling point of the long life of the LED lamps, and therefore become a critical key to choose the right power driver IC; the capacitor life also have a great relationship with the use of ambient temperature, ambient temperature increases to accelerate the loss of electrolytes, the ambient temperature is increased by 6 oC, electrolytic capacitor life will be reduced by half.

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