Patent ID: 8292448

Claim:
A flat lighting assembly apparatus comprising: a first flat lighting module and a second flat lighting module which are separated from each other and each include: a frame including a base and an extension portion extending from the base; a light source placed on the base, wherein the light source includes a plurality of light emitting devices; and a diffusion plate placed on the light source, wherein a light emitting device that is the closest to the extension portion among the plurality of the light emitting devices of the light source is disposed separately from the extension portion at a predetermined interval; a ceiling member to which a connector of the first flat lighting module and the second flat lighting module is coupled; and a power supply controller disposed within the ceiling member, wherein the light emitting devices include an LED, and wherein the connector is electrically connected to a socket disposed on the rear side of the base in order to supply electric power from the outside to the light source and includes a coupling unit coupled to at least one guide disposed around the socket.