Abstract: A LED display unit comprises a housing; an openable door coupled to a front of the housing for movement between a closed position and an opened position; a LED module mounted on a front of the openable door; and a sliding assembly coupled to an inside surface of the housing and an inside surface of the front door comprising: a first connection member fixedly mounted to an inside surface of the housing, a second connection member fixedly mounted to an inside surface of the front door, a sliding member slidely mounted to the first connection member and rotatably connected with the second connection member, so that the sliding member can move forward from the housing and rotate relative to the openable door so as to open the openable door.

Abstract: A power unit for LED display includes a main power unit body comprising a plurality of power terminals and a plurality of clapboards provided between each two power terminals respectively, a socket plate comprising a socket having a plurality of plugholes and a plurality of spacedly apart connectors extending from the socket for being inserted into the plurality of clapboards for connecting with the plurality of power terminals respectively, and a plug adapted for connecting to the socket plate, comprising a plurality of plug heads corresponding with the plurality of plugholes for being inserted into the plurality of plugholes respectively.