subject: LED Display Screen, Great Invention in Morden Times [print this page] An electronic device that is used as a very effective light source is known as light emitting diode or LED. These diodes are used to make up a video display which is known as LED displays. LED are used in everyday devices ranging from remote control to traffic lights. LED displays is also used in store signs and billboards.
LED Display Screen, Great Invention in Morden Times
