White LED

Discussion in 'General Electronics Chat' started by jishnup, Dec 25, 2012.

  1. jishnup

    Thread Starter New Member

    Dec 23, 2012
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    Hay,
    Does the light produced by a white LED and white light produced by mixing Red Green and Blue are different?
    I think white light produced from RGB is only due to the property of human eye, isn't it so?
     
  2. spinnaker

    AAC Fanatic!

    Oct 29, 2009
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    All light is due to the properties of the human eye as it is perceived by humans.
     
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  3. Wendy

    Moderator

    Mar 24, 2008
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    A typical white LED works the same way fluorescent lights do, the blue light underneath a layer of phosphor causes the phosphor to glow. A RGB LED works the same way a color television does.

    Electrically blue LEDs and white LEDs are very similar.
     
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  4. bertus

    Administrator

    Apr 5, 2008
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    Last edited: Dec 25, 2012
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  5. AnAnonymousParty

    New Member

    Jun 5, 2012
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    Some 'white' LEDs mix output from a blue and yellow emitter.
    Some actually have RGB emitters.
    Most are an excited phosper as others have pointed out.
     
  6. mcgyvr

    AAC Fanatic!

    Oct 15, 2009
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    define "normal light"
     
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