LED, Light Emiting Diode. Diode, a DC filtering device. Can also be use like a "check vavle" in a circut. A very low voltage "cold light" source. Has anyone ever made a monitor from these? Electric pilot lights. Banner streamers, scoreboards. Jumbotrons?
Yes, I meant LCD which relies onthe piezo-electric effect! 50 lashes with an optic fiber!