A display apparatus including a display panel configured to receive light from a light source module, wherein the display panel comprises: a liquid crystal panel; a first polarizing plate positioned on a rear side of the liquid crystal panel and a second polarizing plate positioned on a front side of the liquid crystal panel; and an optical layer positioned on a front surface of the second polarizing plate, wherein the optical layer comprises: a resin layer having a first refractive index, the resin layer including an accommodating groove in which a light adjusting portion is disposed, the resin layer further including a light refractive pattern protruding toward a rear direction of the display panel; and an adhesive layer having a third refractive index different from the first refractive index, and bonding the resin layer with the second polarizing plate, wherein the light adjusting portion comprises a light refracting portion having a second refractive index and configured to refract a part of light inclined with respect to a reference line extending in a normal direction of the light refractive pattern of light entering the light refractive pattern; and the light refracting portion is disposed in at least one area of the accommodating groove. a liquid crystal panel; a first polarizing plate positioned on a rear side of the liquid crystal panel and a second polarizing plate positioned on a front side of the liquid crystal panel; and an optical layer positioned on a front surface of the second polarizing plate, wherein the optical layer comprises: a resin layer having a first refractive index, the resin layer including an accommodating groove in which a light adjusting portion is disposed, the resin layer further including a light refractive pattern protruding toward a rear direction of the display panel; and an adhesive layer having a third refractive index different from the first refractive index, and bonding the resin layer with the second polarizing plate, wherein the light adjusting portion comprises a light refracting portion having a second refractive index and configured to refract a part of light inclined with respect to a reference line extending in a normal direction of the light refractive pattern of light entering the light refractive pattern; and the light refracting portion is disposed in at least one area of the accommodating groove. a resin layer having a first refractive index, the resin layer including an accommodating groove in which a light adjusting portion is disposed, the resin layer further including a light refractive pattern protruding toward a rear direction of the display panel; and an adhesive layer having a third refractive index different from the first refractive index, and bonding the resin layer with the second polarizing plate, wherein the light adjusting portion comprises a light refracting portion having a second refractive index and configured to refract a part of light inclined with respect to a reference line extending in a normal direction of the light refractive pattern of light entering the light refractive pattern; and the light refracting portion is disposed in at least one area of the accommodating groove.