Patent ID: 8721117

Claim:
A lighting device comprising: a first substrate; and a plurality of second substrates electrically connected to the first substrate and comprising a light emitting device, wherein the first substrate comprises: a connector unit comprising: a plurality of first connection terminals; a plurality of first connectors, the first connectors electrically connecting the first connection terminals to an external power supply or driving device, wherein the first connectors and the first connection terminals are disposed on opposite side surfaces of the connector unit, an extension unit extending from the connector unit; and a plurality of connection units extending in opposite directions from both sides of the extension unit; a plurality of second connectors, each second connector electrically connecting each connection unit of the first substrate with a second substrate, wherein each of the plurality of connection units comprises one of the first connection terminals disposed on at least a portion of each respective connection unit, and wherein at least two of the connector unit, the extension unit and the respective connection units are formed of the same material in an integral unit.