US Patent 7355562 Electronic interlocking graphics panel formed of modular interconnecting parts

A modular display panel is formed of a segmented symmetrical graphics panel having display pixels. The panel's interlock in for directions to allow forming larger electronic graphics panel. The preferred shape of the panel is square, defining a perimeter with for edge surfaces. Each of those edge surfaces includes an electrical connection thereon. A frame assembly forms the outer portion of the panel, thereby allowing providing of signals and power to the units.