Provided is a display device for preventing the leakage of a blue ray. The display device includes a display panel; a light source which provides light to the display panel; a bottom chassis on which the light source is arranged; a light guide plate which is arranged in the bottom chassis, and transmits the light emitted from the light source to the display panel; an optical sheet which is arranged between the light guide plate and the display panel; a mold frame which is combined with the bottom chassis, and includes a support part arranged with the display panel; and a light conversion light shielding member which is arranged on one side of the support part of the mold frame, and covers a lateral surface of the optical sheet.
