Lighting device

Abstract

Disclosed is a lighting device having wide light-distribution characteristics. The lighting device includes a base; a protrusion disposed on the base; and a light emitting module disposed on the protrusion; wherein the light emitting module comprises a plurality of light emitting diodes inclined inward with respect to the a protruding direction of the protrusion. Accordingly, the lighting device can provide wide light-distribution characteristics.

1 - 20 . (canceled) 
     
     
         21 . A lighting device, comprising:
 a main body comprising a socket for connection to an external power source and a protrusion protruding upwards from the socket;   a light emitting module supported by the protrusion; and   a cover coupled to the main body and covering the light emitting module,   wherein the light emitting module is disposed around the protrusion, the light emitting module comprising at least a light emitting diode, a substrate comprising an inclined surface on which the light emitting diode is mounted, and a conductive wire connected to the light emitting diode, and   wherein the inclined surface is inclined with respect to a protruding direction of the protrusion.   
     
     
         22 . The lighting device of  claim 21 , wherein the inclined surface is inclined towards the protrusion in the protruding direction of the protrusion. 
     
     
         23 . The lighting device of  claim 21 , wherein a plurality of light emitting diodes are disposed on the inclined surface. 
     
     
         24 . The lighting device of  claim 23 , wherein the plurality of light emitting diodes are disposed on one plane of the inclined surface. 
     
     
         25 . The lighting device of  claim 21 , wherein the light emitting module provides a plurality of inclined surfaces inclined with respect to the protruding direction of the protrusion, and at least one light emitting diode is disposed on each of the inclined surfaces. 
     
     
         26 . The lighting device of  claim 25 , wherein the plurality of inclined surfaces are symmetrically disposed around the protrusion. 
     
     
         27 . The lighting device of  claim 26 , wherein the plurality of inclined surfaces approach the protrusion with increasing distance from the socket. 
     
     
         28 . The lighting device of  claim 25 , wherein the plurality of inclined surfaces are separated from each other. 
     
     
         29 . The lighting device of  claim 25 , wherein the light emitting diodes are connected to each other in series or in parallel. 
     
     
         30 . The lighting device of  claim 21 , wherein the cover is formed of a transparent material selected from the group consisting of glass, polypropylene (PP), polyethylene (PE), and polycarbonate (PC). 
     
     
         31 . The lighting device of  claim 21 , wherein the substrate comprises a flexible printed circuit board. 
     
     
         32 . The lighting device of  claim 21 , wherein the main body further comprises a base disposed at an upper portion of the socket, and the protrusion protrudes from an upper surface of the base. 
     
     
         33 . The lighting device of  claim 32 , wherein the base comprises a thermally conductive material configured to dissipate heat. 
     
     
         34 . The lighting device of  claim 21 , wherein the light emitting module comprises a plurality of light emitting diodes arranged along the substrate disposed around the protrusion in an upward direction from the socket. 
     
     
         35 . The lighting device of  claim 21 , wherein the light emitting module provides a plurality of inclined surfaces inclined with respect to the protruding direction of the protrusion, and the light emitting diode is disposed on each of inclined surfaces separated from each other among the inclined surfaces. 
     
     
         36 . The lighting device of  claim 21 , further comprising:
 a drive circuit,   the drive circuit being electrically connected to an external power source through the socket and to the light emitting diode through the conductive wire.