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What's different about White LEDs?

Discussion in 'Electronic Components' started by Norm Dresner, Jul 7, 2004.

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  1. Norm Dresner

    Norm Dresner Guest

    I've seen several articles and circuits in magazines for White LED related
    stuff. What's so special about them besides the color?

  2. Electrically they are blue LEDs, so they have fairly high Vf. The main
    distinction is *how* they are typically used- for things like LCD
    backlights on portable devices where there may be an array of them,
    and energy efficiency is important. There are few such applications
    for, say, red LEDs.

    Best regards,
    Spehro Pefhany
  3. They are (finally) a decent substitute for an incandescent light.
    Google for OWLI forums for whatever you want to know. That's OddOne's
    White LED Information Forums.
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