Backlight unit for use in multiple-display device

A display device, comprising:

• at least two display panels;
• a frame for supporting the display panels, comprising a partition wall configured for supporting at least an end portion of the display panels;
• and
• a backlight unit located at one side of the display panels, and providing light to the display panels, wherein the backlight unit comprises:
• a strip light source, a longitudinal edge of which is extended along a longitudinal edge of the partition wall, emitting light to the display panels disposed at opposite sides of the partition wall, wherein the strip light source comprises a first group of light-emitting elements and a second group of light-emitting elements, the first group of light-emitting elements and the second group of light-emitting elements emit light toward the display panels disposed at the opposite sides of the partition wall, respectively, and there is a gap extending along the longitudinal edge of the strip light source and disposed between the first group of light-emitting elements and the second group of light-emitting elements;
• and
• two light-guiding plates disposed at opposite sides of the strip light source, and guiding the light emitted from the strip light source into the display panels, wherein the frame comprises a supporting part extending downwardly from the partition wall and passing through the gap to reach a bottom of the strip light source.