9 Feb
2006
9 Feb
'06
1:34 p.m.
"Barry Watzman" wrote:
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;
I beg to differ. I had one in a plastic bag in the early '90's. It was
very expensive but I would swear it was before 1992. Certainly before
1994 - of that I am certain.
(I mark time by which company I started when :-) By '94 I was running a
small ISP and we didn't do product development)
They didn't become widely available until the late '90s, I agree.
-brad
"Silicon Carbide Blue - These are the original commercially successful
blue LEDs pioneered by Cree in the early 1990's."
http://members.misty.com/don/ledc.html