Disclosed is a display device wherein a light emitting element can have a longer service life, while suppressing luminance unevenness without causing an increase in cost or size. The display device comprises a light guide plate (21), an LED (25) that is arranged on the side of at least one corner portion (21d) of the light guide plate (21), a frame (4) that has a lateral portion (4b), and a bezel (5) that has a lateral portion (5b). The LED (25) is attached to a part (4d) of the lateral portion (4b) of the frame (4), and the part (4d) is thermally connected to a part (5d) of the lateral portion (5b) of the bezel (5).