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  • Why have past attempts to create general illumination LEDs failed?
    Conventional approaches to developing general illumination LEDs often involved retrofitting existing fixtures to house the new LED technology. Instead of investigating the benefits and challenges of LEDs, many early attempts simply used traditional lighting standards and housings. The problem was that LED technology breaks all traditional rules, and it quickly became apparent that old thinking couldn't be applied to this new technology.
  • Why don't LEDs function as efficiently in a traditional fixture housing?

    Normal lights have served us greatly for generations. But we must remember that they still rely on an incandescent bulbs and fluorescent tubes to produce their light. Technology first invented by Thomas Edison and Nikolai Tesla, way back in the nineteenth century.

    Technology has taken some giant leaps forward since that time and now miniature Light Emitting Diodes (LED) are set to become the standard source of illumination for the 21st Century.

    relate news:Why don't LEDs function as efficiently in a traditional fixture housing?

  • Do I have to replace LED diodes?
    An LED does not burn out like a standard lamp, so individual diodes do not need to be replaced. Instead, the diodes gradually produce lower output levels over a very long period of time. If one LED fails, it does not produce a complete fixture outage.
  • How long is 100,000 hours?
    Based on how long a fixture is illuminated per day, here's what 100,000 works out to:
    Hours of Operation:  100,000 hours is:
    24 hours a day            11.4 years
    18 hours per day         14.8 years
    12 hours per day         22.8 years
    8 hours per day           34.2 years
  • Why is the life span of an LED measured as lumen depreciation?
    The life span of an LED is vastly longer than that of incandescent, fluorescent or HID lamp sources, generally lasting 50,000 hours or longer. Although the LED never really burns out, product life span is measured by lumen depreciation.
    The Illuminating Engineering Society's (IES) current standard for calculating the life of an LED as the point at which the LED reaches 30 percent lumen depreciation.
    Remember, a 100,000-hour rating is not equivalent to lamp life rating. LED life is rated where it has reached 30 percent lumen depreciation. At 100,000 hours an LED would still be operating, but at a decreased lumen output.
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