Patent ID: 9720279
Date: 2017-08-01
CPC Classifications: G02F

Claim:
1. A backlight unit comprising: a wall, which has a first side in a cross-sectional view of the backlight unit, wherein the first side has a curved shape in the cross-sectional view of the backlight unit; and a plurality light sources, which includes a first light source and a second light source, wherein the second light source is positioned farther away from a center portion of the wall than the first light source in the cross-sectional view of the backlight unit, and wherein a minimum distance between the second light source and the first side is greater than a minimum distance between the first light source and the first side in the cross-sectional view of the backlight unit, wherein the wall has a second side, a third side, and fourth side in the cross-sectional view of the backlight unit, wherein the first side is positioned between the third side and the fourth side in the cross-sectional view of the backlight unit, wherein the second side is directly connected to each of the third side and the fourth side, wherein a distance between the first side and the second side at the center portion of the wall is less than a length of the third side in the cross-sectional view of the backlight unit, and wherein a curvature of the second side is less than a curvature of the first side and is greater than 0 in the cross-sectional view of the backlight unit.