Provided is a display device capable of preventing separation between a window and a display panel at high temperatures. The display device of the present invention comprises: the display panel for displaying an image; the window disposed on the top of the display panel and having a display area, through which the image is transmitted, and a non-display area around the display area; and an adhesive layer interposed between the display panel and the window. The window includes: a window substrate disposed to face the display panel; a light blocking layer disposed on one surface of the window substrate facing the display panel in the non-display area; and an adhesion auxiliary layer disposed on the light blocking layer.
