Article View: sci.electronics
Article #2841Re: Blue LED (was Re: LED limitations on FPDs)
From: Tom Bruhns
Date: Wed, 01 Apr 1992 19:07
Date: Wed, 01 Apr 1992 19:07
12 lines
956 bytes
956 bytes
parks@gibbs.physics.purdue.edu (Chris Parks) writes: >True blue (~470nm wavelength) LED's have just been developed by >3M and Purdue. They are made from ZnSe/ZnCdSe quantum well >heterostructures which can also be made into blue semiconductor lasers >with a power output of a few hundred milliwatts. >They're not commercially available yet. The main holdup in >improving the technology is better p-type doping of II-VI alloys. How does this "true blue" differ from the SiC blue LEDs from Cree? Digi-Key lists them at 470nm peak wavelength, and $2.80 each or only $.93 each in 1000's.
Technical Details
Message-ID:
<5170196@hplsla.hp.com>Path:
arc1-ca.pugleaf.net!sparky!uunet!usc!sdd.hp.com!hp-cv!hp-pcd!hplsla!tombReferences:
<7123@dirac.physics.purdue.edu>Show Full Headers
Complete Article Headers
From: tomb@hplsla.hp.com (Tom Bruhns) Date: Wed, 1 Apr 1992 19:07:20 GMT Subject: Re: Blue LED (was Re: LED limitations on FPDs) Message-ID: <5170196@hplsla.hp.com> Organization: HP Lake Stevens, WA Path: arc1-ca.pugleaf.net!sparky!uunet!usc!sdd.hp.com!hp-cv!hp-pcd!hplsla!tomb Newsgroups: sci.electronics References: <7123@dirac.physics.purdue.edu> Lines: 13