Patent ID: 9678268
Date: 2017-06-13
CPC Classifications: G02B,G02F

Claim:
1. A display device, comprising: a lower frame arranged on a side opposite to a display surface of a display panel, the lower frame comprising a bottom wall portion, and a side wall portion that is formed so as to surround the bottom wall portion at an edge thereof; a plurality of light sources arranged along the side wall portion of the lower frame; and a heat sink configured to dissipate heat generated from the plurality of light sources, wherein: the bottom wall portion of the lower frame comprises a first recessed portion, a first protruding portion protruding from inside to outside the display device and a second recessed portion arranged in this order along a direction from the side wall portion toward the inside of the display device, an air gap portion, at least part of which is surrounded by the first recessed portion, the first protruding portion and the second recessed portion is provided, the heat sink comprises a plurality of groove portions that are formed along the bottom wall portion in a direction extending from the plurality of light sources, and the plurality of groove portions are communicated with the air gap portion.