Backlight unit and display device

Abstract

A backlight unit is disclosed. The backlight unit includes a light emitting device to emit light, an optical member to guide the light emitted from the light emitting device, a bottom chassis disposed on a rear surface of the optical member so as to support the optical member, a supporting member coming into partial contact with the bottom chassis so as to support a module including the light emitting device and a shock-absorbing member disposed between the rear surface of the optical member and the bottom chassis.

1 . A backlight unit comprising:
 a light emitting device;   an optical member to guide the light emitted from the light emitting device;   a bottom chassis disposed on a rear surface of the optical member;   a supporting member contacting with the bottom chassis, a module including the light emitting device is disposed on the supporting member; and   a shock-absorbing member disposed between the rear surface of the optical member and the bottom chassis.   
     
     
         2 . The backlight unit according to  claim 1 , wherein the optical member includes a light guide plate. 
     
     
         3 . The backlight unit according to  claim 2 , wherein the optical member further includes a reflective sheet disposed between the shock-absorbing member and the light guide plate. 
     
     
         4 . The backlight unit according to  claim 1 , wherein the shock-absorbing member directly contact with at least one of the rear surface of the optical member and the bottom chassis. 
     
     
         5 . The backlight unit according to  claim 1 , wherein the shock-absorbing member is disposed in a region of the optical member. 
     
     
         6 . The backlight unit according to  claim 1 , wherein the shock-absorbing member has the form of a line. 
     
     
         7 . The backlight unit according to  claim 1 , wherein the shock-absorbing member has the form of two lines facing each other. 
     
     
         8 . The backlight unit according to  claim 1 , wherein the bottom chassis includes at least one first protrusion protruding toward the light guide plate, and the shock-absorbing member contacts with a surface of the at least one first protrusion. 
     
     
         9 . The backlight unit according to  claim 1 , wherein the shock-absorbing member is an insulating tape. 
     
     
         10 . The backlight unit according to  claim 1 , wherein the supporting member is a bracket including a vertical portion perpendicular to the bottom chassis and a horizontal portion connected to the vertical portion. 
     
     
         11 . The backlight unit according to  claim 10 , wherein the shock-absorbing member is disposed between the horizontal portion of the bracket and the optical member. 
     
     
         12 . The backlight unit according to  claim 10 , wherein the supporting member further includes a guide panel. 
     
     
         13 . The backlight unit according to  claim 10 , wherein the horizontal portion of the bracket includes at least one second protrusion protruding toward the optical member, and the shock-absorbing member contacts with a surface of the at least one second protrusion. 
     
     
         14 . The backlight unit according to  claim 10 , wherein the bottom chassis includes at least one first protrusion protruding toward the optical member, and the backlight unit further comprises a second shock-absorbing member provided between the at least one first protrusion and the optical member. 
     
     
         15 . A display device comprising:
 a liquid crystal panel; and   a backlight unit to irradiate light to the liquid crystal panel,   wherein the backlight unit includes a light emitting device to emit light, an optical member to guide the light emitted from the light emitting device, a bottom chassis disposed on a rear surface of the optical member so as to support the optical member, a supporting member partially contacting with the bottom chassis, a module including the light emitting device is disposed on the supporting member, and a shock-absorbing member disposed between the rear surface of the optical member and the bottom chassis.   
     
     
         16 . The display device according to  claim 15 , wherein the optical member includes a light guide plate and a reflective sheet disposed between the shock-absorbing member and the light guide plate. 
     
     
         17 . The display device according to  claim 15 , wherein the shock-absorbing member directly contact with at least one of the rear surface of the optical member and the bottom chassis. 
     
     
         18 . The display device according to  claim 15 , wherein the shock-absorbing member has the form of a line. 
     
     
         19 . The display device according to  claim 15 , wherein the bottom chassis includes at least one first protrusion protruding toward the light guide plate, and the shock-absorbing member contacts with a surface of the at least one first protrusion. 
     
     
         20 . The display device according to  claim 15 , wherein the supporting member is a bracket including a vertical portion perpendicular to the bottom chassis and a horizontal portion connected to the vertical portion.