solid state electronics; namely, solid state drivers of electronic displays and solid state controllers of electronic visual displays; data modems; namely, solid state electronic modems to transfer information between remote computers via data lines; electronic visual exterior and interior displays; namely, lamp or light emitting diode matrices, whereupon changeable written or graphic messages, including time and temperature, airport flight data, scoreboard information, and horse racetrack information are presented for a viewing audience; electronic information systems, comprising an electric lamp or light emitting diode display matrix, a series of electronic drivers, including sold state drivers, to systematically switch the display bulbs on or off, and electronic controllers, including solid state controllers, into which information can be entered for display; light emitting diode pixels for use in large electronic displays; and luminous matrix signs and parts thereof