Advances in Materials Technology and Packaging Technology have greatly expanded the scope of Light Emitting Diode (LED) display applications. Increases in efficiency have yielded LED displays that are easily readable in direct sunlight. Today's LED display products are lightweight and very compact. They range in form and function from individually encapsulated LED lamps to multidigit dot matrix alphanumeric displays, as well as a wide variety of numeric displays and modules. These features combined with the extremely rugged construction of today's LED displays provide LED display products that are Ideally suited for many applications in the automotive and avionics industries.