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Technology Stocks : Kopin Corp. (KOPN)

KOPN 2.685

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11:12 AM EST

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To: John Finley who wrote (610)	4/6/1999 10:57:00 PM
From: kinkblot	Read Replies (1) of 1820

John, thanks for the excellent link. This is from The Blue LED FAQ / Bright LED Page, by Don Klipstein (Jr): Nichia NSPW series white LEDs have an NSPB series chip combined with a phosphor to convert some of the blue light to green through red. I have personally seen the spectrum with my own diffraction grating and my own eyes - it is a high-color-rendering-index white. The spectrum runs low in violet, high in mid-blue, low in cyan, and medium from mid-green through mid-red, and drops off in the far red... So, it looks like Nichia is already marketing a white light based on converting some of the light from blue LEDs by phosphors, like GE is talking about. Also, in post #190 on the Yahoo! EMKR thread, "Pull the Other One 99" states that Cree/Siemens and HP are also selling them.

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