Patent ID: 8885103

Claim:
A display device, comprising: a display including a liquid crystal panel, a first illumination unit, and a second illumination unit; wherein the first illumination unit and the second illumination unit are positioned at a back of the liquid crystal panel; the display includes a first area that displays a first picture and a second area that displays a second picture; the first illumination unit illuminates the first area with light; the second illumination unit illuminates the second area with light; power supply to the first illumination unit and power supply to the second illumination unit are controlled separately; a partition wall is located at a boundary between the first and second illumination units; a cross section of the partition wall has a triangular shape including two edges corresponding to two wall surfaces of the partition wall and an edge corresponding to a bottom face of the partition wall; and the bottom face of the partition wall is positioned on a substrate of the first illumination unit and the second illumination unit.