Cableless power and data communication bus for digital displays

A connection scheme for LED display array is disclosed. The array includes a plurality of LED modules having LEDs on the front surface and a rear surface having connection points optionally surrounded by a compressible weather seal. The connection points of the LED module electrically connect to a power bus for receiving both power and data. Alternatively, power and data signals may be provided separately through separate means. When the LED modules are attached to a support structure for the display array, the connection points electrically connect with the bus or buses. Mechanical locking features may be used to create a compressing force to facilitate the electrical connection or interface between the LED module connection points and the bus or buses.