Abstract: A display device includes: a light-emitting element including a first electrode, a second electrode on the first electrode, and a light-emitting layer between the first electrode and the second electrode; a pixel-defining film having a pixel opening exposing the first electrode; a sensing electrode on the pixel-defining film; a light-blocking pattern on the sensing electrode; and a color filter on the sensing electrode, wherein the light-blocking pattern comprises a first pattern part and a second pattern part, and the first pattern part and the second pattern part have different optical densities (OD) with respect to first light.

Abstract: A display device includes a display unit including a plurality of emission areas, a plurality of touch electrodes that sense a touch, a plurality of code patterns that cover a part of a front surface of at least one of the plurality of touch electrodes, and a plurality of light-blocking dummy patterns formed on some of the plurality of touch electrodes on which the plurality of code patterns is not formed. Each of the touch electrodes includes at least one portion disposed between adjacent emission areas among the plurality of emission areas. A thickness of the plurality of code patterns is different from a thickness of the light-blocking dummy patterns, and a light-blocking rate of the plurality of code patterns is different from a light-blocking rate of the light-blocking dummy patterns.

Abstract: A display device includes a plurality of emission areas that emit light, a plurality of touch electrodes disposed in a light blocking area surrounding the plurality of emission areas, in which the touch electrodes sense a touch, a first insulating layer disposed on the plurality of touch electrodes, and a plurality of light blocking parts disposed on the first insulating layer and overlapping the plurality of touch electrodes. A part of the plurality of light blocking parts includes a code pattern formed by an insertion portion inserted into the first insulating layer and overlapping the plurality of touch electrodes, and another part of the plurality of light blocking parts includes a non-code pattern formed by not having the insertion portion.

Abstract: A display device includes a pixel having a plurality of emission areas, a plurality of touch electrodes disposed between the plurality of emission areas to sense a touch, a plurality of position code patterns covering a partial front surface of at least one of the plurality of touch electrodes in a preset code shape, and a light blocking pattern disposed on front surfaces of the plurality of touch electrodes on which the plurality of position code patterns are not formed. A width or size of the plurality of position code patterns is greater than a width or size of the light blocking pattern.

Abstract: The present disclosure relates to a display device, a touch input device, and a touch input system, where the display device comprises: a display unit including a plurality of light emitting areas; a plurality of touch electrodes disposed between the plurality of light emitting areas and configured to sense a touch; a plurality of grid patterns separated from the plurality of touch electrodes in a preset shape or formed integrally with the plurality of touch electrodes; and a plurality of code patterns formed in a preset code shape in some areas of a front surface corresponding to the plurality of touch electrodes, wherein the plurality of grid patterns comprise grid reference points of intersecting grid reference lines, and are respectively formed at positions corresponding to the grid reference points.

Abstract: A display device comprises a first display area, a second display area adjacent to a side of the first display area, a third display area adjacent to a side of the second display area, a plurality of emission areas disposed in the first, second, and third display areas to emit light, and a light blocking layer surrounding the plurality of emission areas. A width of the light blocking layer between adjacent emission areas in a first direction in each of the first and third display areas is greater than a width of the light blocking layer between adjacent emission areas in the first direction in the second display area.

Abstract: A display device includes a display layer, a plurality of touch electrodes, a light shield, and a code pattern. The display layer includes a plurality of light emission areas for emitting light. The plurality of touch electrodes are disposed on the display layer to sense a touch and surround the plurality of light emission areas. The light-shield is disposed on a portion of the plurality of touch electrodes. The code pattern is determined by a planar shape of the light-shield to have position information. The light-shield absorbs light of a specific wavelength, and another portion of the touch electrodes, which is not overlapped with the light-shield, reflects light of the specific wavelength.

Abstract: A display device includes a display unit that includes a plurality of light emitting areas; a plurality of touch electrodes disposed between the plurality of light emitting areas and that sense a touch; a light blocking member that forms a code pattern by covering a portion of a front surface of at least one of the plurality of touch electrodes with a preset code shape; and a reflective electrode formed on a rear surface of the light blocking member and that has an area that at least partially overlaps the light blocking member and reflects light from the front surface.

Abstract: A display device and a touch input system are provided, the display device comprising a display unit including a plurality of light emission areas; a plurality of touch electrodes disposed between the plurality of light emission areas to sense a touch input; at least one light shielding pattern formed by covering at least a portion of a front surface of at least one of the plurality of touch electrodes; and one of a first set of color filters comprising first to third colors or a second set of color filters comprising first to fourth colors, which are alternately disposed in the plurality of light emission areas, wherein the color filters of one of the first or second set of color filters are used as code patterns by including an infrared absorbing pigment.

Abstract: A display device includes a pixel having a plurality of emission areas, a plurality of touch electrodes disposed between the plurality of emission areas to sense a touch, a plurality of position code patterns covering a partial front surface of at least one of the plurality of touch electrodes in a preset code shape, and a light blocking pattern disposed on front surfaces of the plurality of touch electrodes on which the plurality of position code patterns are not formed. A width or size of the plurality of position code patterns is greater than a width or size of the light blocking pattern.

Abstract: A display device includes subpixels on a substrate, position code patterns having a predetermined position code shape, when viewed in a plan view, each position code pattern being disposed at a region between at least two adjacent subpixels, and a pixel-defining layer defining a region where each subpixel is disposed and covering the position code patterns. The plurality of position code patterns are formed in a planar code shape and are configured to reflect light incident through the pixel-defining layer.

Abstract: The present disclosure relates to a display device, a touch input device, and a touch input system, where the display device comprises: a display unit including a plurality of light emitting areas; a plurality of touch electrodes disposed between the plurality of light emitting areas and configured to sense a touch; a plurality of grid patterns separated from the plurality of touch electrodes in a preset shape or formed integrally with the plurality of touch electrodes; and a plurality of code patterns formed in a preset code shape in some areas of a front surface corresponding to the plurality of touch electrodes, wherein the plurality of grid patterns comprise grid reference points of intersecting grid reference lines, and are respectively formed at positions corresponding to the grid reference points.

Abstract: A display device includes a thin-film transistor layer disposed on a substrate, the thin-film transistor layer including a thin-film transistor, a light emitting element layer disposed on the thin-film transistor layer, the light emitting element layer including a pixel defining layer defining emission areas, and a pixel electrode disposed in each of the emission areas, a touch electrode disposed on the light emitting element layer, the touch electrode overlapping the pixel defining layer and sensing a touch, and a code pattern defined by a planar shape of the pixel defining layer that is distinguished from the pixel electrode and the touch electrode, the code pattern having position information.

Abstract: A smart pen including: a body part; a nib part at an end of the body part; a code detection unit for receiving light reflected from a display panel and the nib part, wherein the light reflected from the display panel and the nib part is used to detect shape data for code patterns of the display panel; and a code processor for generating coordinate data based on the shape data and transmitting the coordinate data to a main processor for driving the display panel based on the coordinate data.

Abstract: A display device includes a display unit including a plurality of emission areas, a plurality of touch electrodes that sense a touch, a plurality of code patterns that cover a part of a front surface of at least one of the plurality of touch electrodes, and a plurality of light-blocking dummy patterns formed on some of the plurality of touch electrodes on which the plurality of code patterns is not formed. Each of the touch electrodes includes at least one portion disposed between adjacent emission areas among the plurality of emission areas. A thickness of the plurality of code patterns is different from a thickness of the light-blocking dummy patterns, and a light-blocking rate of the plurality of code patterns is different from a light-blocking rate of the light-blocking dummy patterns.

Abstract: A display device and a touch input system are provided, the display device comprising a display unit including a plurality of light emission areas; a plurality of touch electrodes disposed between the plurality of light emission areas to sense a touch input; at least one light shielding pattern formed by covering at least a portion of a front surface of at least one of the plurality of touch electrodes; and one of a first set of color filters comprising first to third colors or a second set of color filters comprising first to fourth colors, which are alternately disposed in the plurality of light emission areas, wherein the color filters of one of the first or second set of color filters are used as code patterns by including an infrared absorbing pigment.

Abstract: A touch input device includes a communication module receiving external light characteristic information. A code detector emits infrared light and receives infrared light reflected from a display panel to detect code patterns of the display panel. A light emitting driver controls an infrared light emission operation of the code detector. A code processor modulates an emission control signal so that an infrared light emission characteristic of the code detector is changed according to a change in the external light characteristic information and controls driving of the light emitting driver.

Abstract: The present disclosure relates to a display device capable of performing a touch input by a touch input device, and a touch input system including the same. According to an embodiment of the disclosure, a display device comprising a display unit comprising a plurality of emission areas, a plurality of touch electrodes disposed between the plurality of emission areas to sense a touch, a plurality of code patterns formed by covering a part of a front surface of at least one of the plurality of touch electrodes with a predetermined code shape, and a plurality of light-blocking patterns formed on at least one of the plurality of touch electrodes on which the plurality of code patterns is not formed, to block light, wherein the plurality of light-blocking patterns is formed by covering at least one of a front surface and side surfaces of the at least one touch electrode with a predetermined pattern shape.

Abstract: A display device includes a display unit that includes a plurality of light emitting areas; a plurality of touch electrodes disposed between the plurality of light emitting areas and that sense a touch; a light blocking member that forms a code pattern by covering a portion of a front surface of at least one of the plurality of touch electrodes with a preset code shape; and a reflective electrode formed on a rear surface of the light blocking member and that has an area that at least partially overlaps the light blocking member and reflects light from the front surface.

Abstract: A smart pen including: a body part; a nib part at an end of the body part; a code detection unit for receiving light reflected from a display panel and the nib part, wherein the light reflected from the display panel and the nib part is used to detect shape data for code patterns of the display panel; and a code processor for generating coordinate data based on the shape data and transmitting the coordinate data to a main processor for driving the display panel based on the coordinate data.