A display device comprising: a wire grid polarizer plate; and an opaque layer arranged on an upper portion of the wire grid polarizer plate, the wire grid polarizer plate comprising: a light permeable substrate (110, 310); and a conductive pattern layer (121D, 121W, 121R, 321a, 321, 320r) arranged on one surface of the light permeable substrate (110, 310), the conductive pattern layer including window regions and at least one reflective region arranged in a rectangular region surrounding the window regions, the window regions having target patterns (121D, 321a) forming conductive simple closed curves spaced apart from each other at an interval of a period which is shorter than a wavelength of incident light, for transmitting first polarized light of the incident light and reflecting second polarized light which is perpendicular to the first polarized light and wherein the reflective regions are configured to reflect both the first polarized light and the second polarized light, and characterized in that the target patterns include first linear structures which extend in one direction and second structures which do not extend in the one direction, and the opaque layer covers the second structures. a wire grid polarizer plate; and an opaque layer arranged on an upper portion of the wire grid polarizer plate, the wire grid polarizer plate comprising: a light permeable substrate (110, 310); and a conductive pattern layer (121D, 121W, 121R, 321a, 321, 320r) arranged on one surface of the light permeable substrate (110, 310), the conductive pattern layer including window regions and at least one reflective region arranged in a rectangular region surrounding the window regions, the window regions having target patterns (121D, 321a) forming conductive simple closed curves spaced apart from each other at an interval of a period which is shorter than a wavelength of incident light, for transmitting first polarized light of the incident light and reflecting second polarized light which is perpendicular to the first polarized light and wherein the reflective regions are configured to reflect both the first polarized light and the second polarized light, and characterized in that the target patterns include first linear structures which extend in one direction and second structures which do not extend in the one direction, and the opaque layer covers the second structures. a light permeable substrate (110, 310); and a conductive pattern layer (121D, 121W, 121R, 321a, 321, 320r) arranged on one surface of the light permeable substrate (110, 310), the conductive pattern layer including window regions and at least one reflective region arranged in a rectangular region surrounding the window regions, the window regions having target patterns (121D, 321a) forming conductive simple closed curves spaced apart from each other at an interval of a period which is shorter than a wavelength of incident light, for transmitting first polarized light of the incident light and reflecting second polarized light which is perpendicular to the first polarized light and wherein the reflective regions are configured to reflect both the first polarized light and the second polarized light, and characterized in that the target patterns include first linear structures which extend in one direction and second structures which do not extend in the one direction, and the opaque layer covers the second structures.