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Article #4891

Re: Blue L.E.D.'s (need source)

#4891
From: Steve Muldoon - Correspondent-at...
Date: Fri, 29 Jun 1990 15:00
28 lines
2011 bytes
In article <4379.2689f9ed@vax5.cit.cornell.edu>, merx@vax5.cit.cornell.edu writes...
> 
> I remember some talk about Blue L.E.D.'s comming down in price to a few bucks
>each. I now would like to get some for a map display. Could someone please
>E-mail me or post an address again. 

    Taken from "Design News," 1-8-90, Page 24.

    "Durham, NC -- Cree Research, Inc. has built the missing link in
    full-color light-emitting diode (LED) displays -- a pure blue emission
    diode.  Three families of silicon carbide blue LEDs use a low power
    peak wavelength to produce the purer blue.  LEDs are semiconductors
    that produce visible when connected to an electrical power source. 
    List prices for Cree's die are $1.47 in 100,000-unit quantities --
    that's about a tenth the cost of the competetion, Cree says.  By
    combining the new blue with red and green LED chips, designers can
    produce any color light in the visible spectrum, including white.  For
    more information, call Cree at (919)-361-5709."



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Steve Muldoon (DEC Educational Services)|   It's a journey with my soul
                                        |     that I am taking,
    muldoon@books.dec.com               |   One that only goes 
    !decwrl!books.dec.com!muldoon       |     from the cradle to the grave...
    muldoon%books.dec@decwrl.dec.com    |                 - Kate Wolf
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From: muldoon@books.dec.com (Steve Muldoon - Correspondent-at-large)
Newsgroups: sci.electronics
Subject: Re: Blue L.E.D.'s (need source)
Message-ID: <402@arkham.enet.dec.com>
Date: 29 Jun 90 15:00:49 GMT
Sender: news@arkham.enet.dec.com
Distribution: sci
Organization: Digital Equipment Corporation
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