Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!usc!sdd.hp.com!zaphod.mps.ohio-state.edu!ncar!gatech!ncsuvx!news From: cmpeters@eos.ncsu.edu (C MAVERICK PETERSEN) Newsgroups: sci.electronics Subject: Re: Blue LED Message-ID: <1990Nov6.204321.867@ncsuvx.ncsu.edu> Date: 6 Nov 90 20:43:21 GMT References: <1990Nov2.171429.28170@syssoft.com> <16361@teda.UUCP> Sender: news@ncsuvx.ncsu.edu (USENET News System) Reply-To: cmpeters@eos.ncsu.edu (C MAVERICK PETERSEN) Organization: North Carolina State University Lines: 26 In article <16361@teda.UUCP>, ardai@teda.UUCP (Mike Ardai) writes: > In article fng@questor.wimsey.bc.ca (Felix Ng) writes: > -tom@syssoft.com (Rodentia) writes: > - > -> > -> Anyone making a tricolor LED yet? It seems that you could use > -> pulse width modulation to get a pixel of any color at relatively > -> low power. > -> > -I think Radio Shack sells one. Red and green with DC and yellow with AC. > :-) :-) > > Actually, Cree Research Inc. has advertised a 3-die LED (RGB). Their > phone number is 1-800-LED-BLUE. I haven't seen a blue (or polychrome) > LED yet, but it sure sounds like a fun thing to have... Yes, 'tis true that CREE Research Inc. (Research Triangle Park, NC) has _advertised_ a 3-die (RGB) LED. Let's emphasize that word _advertise_ though. When requesting a sample of their RGB, one of their service reps said, "Oh, we are 'still working' on that..." But they did send me a sample of one of their blue LEDs. Chris Petersen mav@eceugs.ncsu.edu cmpeters@eos.ncsu.edu