Anybody have devices using RGB LEDs?

Stan Barr stanb at
Thu Feb 9 14:49:06 CST 2006


Barry Watzman said:

> Wrong.  Blue (and White) LEDs are a relatively recent invention.  I'm not
> sure when they first came into existence, but it was WAY after 1991; it was
> closer to or even after 2000, although it might have been in the very late
> 1990's.  White LEDs were even later.  There were 3 color LEDs in 1991, but
> not RGB.

I have blue LEDs listed in a 1995 catalog.  They're not even very expensive,
74 pence each, say about $1.25, so they must have been around for a while
before that.

Stan Barr  stanb at

The future was never like this!

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