Re: Leds colors, just wondering...

From: martin (martin_at_123.com)
Date: 12/21/04 

Date: Tue, 21 Dec 2004 10:01:30 -0600

"John Popelish" <jpopelish@rica.net> wrote in message
news:41C76AB3.D093AB7F@rica.net...
> martin wrote:
>
> > But if I may, so your saying that the color of the LED is not caused by
the
> > plastic surounding the little diode device? Do they put it in a RED
medium
> > to enhance the color.
>
> The colored plastic makes it easy to tell what color light the LEDs
> will produce when they are off, and increases the on to off contrast
> in many applications. The dye darkens the appearance when no light is
> coming out.
>
> > What would happen if you put a Red "photon" inside a clear LED or can
you
> > have a clear bright photon inside a red plastic LED.
>
> You get red light when it is on, and a but not internally illuminated
> object when it is off. If you are not interested in looking at the
> LED, directly, but shining a beam of red light on something else, the
> clear lenses are usually used.
>
> --
> John Popelish

Thanks John.

Mystery solved.

Relevant Pages

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