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URL:  https://boards.fool.com/quotall-of-the-other-companies-use-gan-gallium-12155682.aspx

Subject:  Re: HP and Blue LED Date:  3/8/2000  12:21 PM
Author:  AlliumSativum Number:  1564 of 41741

"All of the other companies use GaN (Gallium Nitride). For awhile the GaN people were ahead of CREE in terms of brightness. I think that CREE has caught up in terms of brightness now and has a product that is cheaper..."

According to Cree's WebPages http://www.cree.com/products/led/gsic_led.htm
Cree's super bright blue LEDs are using InGaN on a SiC substrate. This seems to be what HP is doing as well, based on the links you gave and the press release from October, witch names a SiC Blue LED.

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