Abstract: A display device comprises a display panel comprising an image display area and a non-display area, display pixels comprising light-emitting elements in the image display area and pixel driving units connected to the light-emitting elements, light-sensing pixels comprising photo-detecting units in a fingerprint sensing area in the image display area, and sense driving units connected to the photo-detecting units, a light-sensing reset driver configured to supply reset signals to the sense driving units of the light-sensing pixels for at least each horizontal line among the light-sensing pixels in response to a line select signal from a display driving circuit; and a fingerprint scan driver configured to sequentially supply a fingerprint scan signal to the sense driving units of the light-sensing pixels in response to a fingerprint scan control signal from the display driving circuit.

Abstract: Provided is a method for manufacturing an aluminum alloy exterior material for smart devices which is formed not by extrusion or die casting but by a strip casting method using a rotating mold, and an aluminum alloy exterior material manufactured by the method. In accordance with an embodiment, the method includes: preparing a molten aluminum alloy; casting the molten aluminum alloy into a sheet shape using a rotating mold to form an aluminum alloy cast sheet; and anodizing the aluminum alloy cast sheet, wherein in the forming of an aluminum alloy cast sheet, X in Equation 1 below may have a value in the range of greater than 0 and equal to or less than 0.15. X=(WZn+WMg+WCu+WSi)/TC??<Equation 1> Here, WZn+WMg+WCu+WSi is the total content (wt %) of zinc, magnesium, copper and silicon) in the aluminum alloy, and TC is the thermal conductivity (W/m·K) of the rotating mold.

Abstract: A display apparatus includes a display panel configured to display an image. The display panel includes a plurality of display areas. A display panel driver is configured to output a driving signal to the display panel. A backlight unit is configured to provide light to the display panel. A luminance compensating part is configured to generate a backlight compensating signal having different compensating values according to a distance between the display panel driver and the display areas of the display panel.

Abstract: A pixel circuit includes a first pixel including a first switching element including a control electrode connected to a first node, an input electrode receiving a first power voltage and an output electrode connected to a second node, a second switching element including a control electrode receiving a first signal, an input electrode receiving a first data voltage and an output electrode connected to the first node, a first light emitting element including a first electrode connected to the second node and a second electrode receiving a second power voltage, a third switching element including a control electrode receiving a second signal, an input electrode connected to the second node and an output electrode connected to a third node and a fourth switching element including a control electrode receiving a third signal, an input electrode connected to the third node and an output electrode connected to a sensing line.

Abstract: A display device includes: a display panel including pixels; a scan driver which supplies a scan signal to scan lines connected to the pixels and supplies a sensing signal to sensing lines connected to the pixels; a data driver which supplies a data signal corresponding to image data to data lines connected to the pixels; a sensing part which senses a threshold voltage of a first transistor included in each of the pixels through receiving lines connected to the pixels, and corrects the sensed threshold voltage based on a voltage drop corresponding to at least one of an internal resistance of the data lines and an internal resistance of the receiving lines; and a timing controller which generates the image data by changing input image data based on the corrected threshold voltage.

Abstract: A display system includes a measurer, a measured data filter and a compensation data generator. The measurer measures an image at a measuring point of a display panel to generate measured data. The measured data filter removes a false measured data outside an allowable range among the measured data. The compensation data generator generates representative compensation data compensating the image based on the measured data in which the false measured data is removed.

Abstract: A display device includes: a display panel including pixels; a scan driver which supplies a scan signal to scan lines connected to the pixels and supplies a sensing signal to sensing lines connected to the pixels; a data driver which supplies a data signal corresponding to image data to data lines connected to the pixels; a sensing part which senses a threshold voltage of a first transistor included in each of the pixels through receiving lines connected to the pixels, and corrects the sensed threshold voltage based on a voltage drop corresponding to at least one of an internal resistance of the data lines and an internal resistance of the receiving lines; and a timing controller which generates the image data by changing input image data based on the corrected threshold voltage.

Abstract: A pixel circuit includes a first pixel including a first switching element including a control electrode connected to a first node, an input electrode receiving a first power voltage and an output electrode connected to a second node, a second switching element including a control electrode receiving a first signal, an input electrode receiving a first data voltage and an output electrode connected to the first node, a first light emitting element including a first electrode connected to the second node and a second electrode receiving a second power voltage, a third switching element including a control electrode receiving a second signal, an input electrode connected to the second node and an output electrode connected to a third node and a fourth switching element including a control electrode receiving a third signal, an input electrode connected to the third node and an output electrode connected to a sensing line.

Abstract: A liquid crystal display device includes a liquid crystal display panel including a plurality of pixels, a voltage generator generating a gate on voltage and a gate off voltage, a gate driver generating a gate signal provided to the pixel using the gate on voltage and the gate off voltage, and providing the gate signal to the pixels, a data driver providing a data signal to the pixels, and a timing controller generating control signals that control the gate driver and the data driver. Each of the pixels includes a red sub-pixel, a green sub-pixel, and a blue sub-pixel. A voltage level of the gate off voltage provided to the red sub-pixel, a voltage level of the gate off voltage provided to the green sub-pixel, and a voltage level of the gate off voltage provided to the blue sub-pixel are different from one another.

Abstract: A display device includes a display substrate having a fan-out area, and a plurality of driving integrated circuits are arranged to reduce a signal delay variation. A printed circuit board (PCB) is connected to the fan-out area, and a driving integrated circuit (IC) is disposed on the PCB in a second direction. A first circuit board wiring is disposed on the PCB and connected to the driving IC. A second circuit board wiring is disposed in the second direction and connected to the driving IC. A first fan-out wiring is disposed on the fan-out area and connected to the first circuit board wiring, and a second fan-out wiring is disposed in the second direction from the fan-out area and connected to the second circuit board wiring. A sum of the length of the wiring of the first circuit board and the second circuit board may be substantially the same.

Abstract: Provided is a method for manufacturing an aluminum alloy exterior material for smart devices which is formed not by extrusion or die casting but by a strip casting method using a rotating mold, and an aluminum alloy exterior material manufactured by the method. In accordance with an embodiment, the method includes: preparing a molted aluminum alloy; casting the molten aluminum alloy into a sheet shape using a rotating mold to form an aluminum alloy cast sheet; and anodizing the aluminum alloy cast sheet, wherein in the forming of an aluminum alloy cast sheet, X in Equation 1 below may have a value in the range of greater than 0 and equal to or less than 0.15. X=(WZn+WMg+WCu+WSi)/TC??<Equation 1> Here, WZn+WMg+WCu+WSi+WSi is the total content (wt %) of zinc, magnesium, copper and silicon) in the aluminum alloy, and TC is the thermal conductivity (W/m·K) of the rotating mold.

Abstract: A liquid crystal display device includes a liquid crystal display panel including a plurality of pixels, a voltage generator generating a gate on voltage and a gate off voltage, a gate driver generating a gate signal provided to the pixel using the gate on voltage and the gate off voltage, and providing the gate signal to the pixels, a data driver providing a data signal to the pixels, and a timing controller generating control signals that control the gate driver and the data driver. Each of the pixels includes a red sub-pixel, a green sub-pixel, and a blue sub-pixel. A voltage level of the gate off voltage provided to the red sub-pixel, a voltage level of the gate off voltage provided to the green sub-pixel, and a voltage level of the gate off voltage provided to the blue sub-pixel are different from one another.

Abstract: A display apparatus includes a display panel configured to display an image. The display panel includes a plurality of display areas. A display panel driver is configured to output a driving signal to the display panel. A backlight unit is configured to provide light to the display panel. A luminance compensating part is configured to generate a backlight compensating signal having different compensating values according to a distance between the display panel driver and the display areas of the display panel.

Abstract: A display device includes a display substrate having a fan-out area, and a plurality of driving integrated circuits are arranged to reduce a signal delay variation. A printed circuit board (PCB) is connected to the fan-out area, and a driving integrated circuit (IC) is disposed on the PCB in a second direction. A first circuit board wiring is disposed on the PCB and connected to the driving IC. A second circuit board wiring is disposed in the second direction and connected to the driving IC. A first fan-out wiring is disposed on the fan-out area and connected to the first circuit board wiring, and a second fan-out wiring is disposed in the second direction from the fan-out area and connected to the second circuit board wiring. A sum of the length of the wiring of the first circuit board and the second circuit board may be substantially the same.

Abstract: Provided is a method of manufacturing a grain-refined aluminum-zinc-magnesium-copper alloy sheet, including manufacturing an aluminum alloy sheet from an aluminum-zinc-magnesium-copper alloy melt by twin-roll strip casting, primarily rolling the aluminum alloy sheet manufactured in step 1, cold rolling the aluminum alloy sheet manufactured in step 2, and performing a heat treatment on the aluminum alloy sheet manufactured in step 3, thereby reducing processing time and cost by using twin-roll casting. Since grain refinement and homogenization of the sheet manufactured by the twin-roll casting are maximized by sequentially performing warm rolling, cold rolling, and a heat treatment on the sheet, elongation may be improved.

Abstract: Provided are a method of manufacturing an aluminum-zinc-based alloy sheet using twin-roll casting and an aluminum-zinc-based alloy sheet manufactured thereby. Specifically, a method of manufacturing an aluminum-zinc-based alloy sheet, including preparing a melt by melting elements corresponding to an aluminum alloy including 0.5 wt % to 10 wt % of zinc, inevitable impurities and aluminum as a balance (step 1); and twin-roll casting by introducing the melt prepared in step 1 between a pair of rotating cooling rolls (step 2), and an aluminum-zinc-based alloy sheet manufactured thereby are provided. The present invention may manufacture an aluminum-zinc-based alloy sheet, in which twin-roll casting is known to be difficult due to a wide solid-liquid coexistence region, by twin-roll casting by using cooling rolls having high thermal conductivity and controlling a reduction force by the rotational speed of the rolls.

Abstract: In a high strength and high electrical conductive nano crystalline grain multi-layer copper alloy sheet, a plurality of high strength and high electrical conductive nano crystalline grain multi-layer sheets manufactured by roll-bonding an oxygen free copper (OFC) alloy sheet and a deoxidized low-phosphorous copper (DLP) alloy sheet are plastically bonded by roll-bonding method so that an OFC alloy layer and a DLP alloy layer are alternated to each other to have electrical conductivity of 85 IACS (%) or more and tensile strength of 500 MPa or more.

Abstract: Provided is a method of manufacturing a grain-refined aluminum-zinc-magnesium-copper alloy sheet, including manufacturing an aluminum alloy sheet from an aluminum-zinc-magnesium-copper alloy melt by twin-roll strip casting, primarily rolling the aluminum alloy sheet manufactured in step 1, cold rolling the aluminum alloy sheet manufactured in step 2, and performing a heat treatment on the aluminum alloy sheet manufactured in step 3, thereby reducing processing time and cost by using twin-roll casting. Since grain refinement and homogenization of the sheet manufactured by the twin-roll casting are maximized by sequentially performing warm rolling, cold rolling, and a heat treatment on the sheet, elongation may be improved.

Abstract: Provided are a method of manufacturing an aluminum-zinc-based alloy sheet using twin-roll casting and an aluminum-zinc-based alloy sheet manufactured thereby. Specifically, a method of manufacturing an aluminum-zinc-based alloy sheet, including preparing a melt by melting elements corresponding to an aluminum alloy including 0.5 wt % to 10 wt % of zinc, inevitable impurities and aluminum as a balance (step 1); and twin-roll casting by introducing the melt prepared in step 1 between a pair of rotating cooling rolls (step 2), and an aluminum-zinc-based alloy sheet manufactured thereby are provided. The present invention may manufacture an aluminum-zinc-based alloy sheet, in which twin-roll casting is known to be difficult due to a wide solid-liquid coexistence region, by twin-roll casting by using cooling rolls having high thermal conductivity and controlling a reduction force by the rotational speed of the rolls.

Abstract: In a high strength and high electrical conductive nano crystalline grain multi-layer copper alloy sheet, a plurality of high strength and high electrical conductive nano crystalline grain multi-layer sheets manufactured by roll-bonding an oxygen free copper (OFC) alloy sheet and a deoxidized low-phosphorous copper (DLP) alloy sheet are plastically bonded by roll-bonding method so that an OFC alloy layer and a DLP alloy layer are alternated to each other to have electrical conductivity of 85 IACS (%) or more and tensile strength of 500 MPa or more.