Display device including a plurality partitions with a change rate in height and/or width

A display device, comprising:

• a display panel including an active area;
• a first light source unit including a plurality of first light sources;
• a light controller disposed on the first light source unit and including a plurality of partitions overlapping at least a partial area of the active area;
• a second light source unit disposed on the light controller and including a plurality of second light sources;
• and
• a light guide plate disposed to be parallel to the second light source unit and configured to guide light provided from the second light source unit,
• wherein the display panel is disposed on the light guide plate and is configured to display an image using light provided from the first light source unit or the second light source unit,
• wherein the plurality of partitions has a different height in each area, and
• wherein a change rate of a height of the plurality of partitions is different in each area.