Display technology is something that has become important to me as of late. Here are some of the vendors selling LED and Diode based display options.
- http://www.polycomp.co.uk/home.htm
- http://www.timeomatic.com/
- http://www.electronicdisplays.com/
- http://www.gamma-tech.com/
- http://www.trans-lux.com/home.asp
- http://www.pace-setter.com/index.htm
Just posting the links here for future reference.