Abstract: A method for detecting noise includes determining whether a data value of a candidate pixel in a predetermined region of an image matches a first dynamic false contour (DFC) candidate value, determining whether a data value of at least one pixel adjacent to the candidate pixel matches a second DFC candidate value, and changing the data value of the candidate pixel the prior two determinations. The data value of the candidate pixel may be changed to a value in a lookup table. The first and second DFC candidate values may also be stored in one or more lookup tables.

Abstract: A liquid crystal display device having a built in touch screen including a first substrate having pixel units comprising: a plurality of pixels displaying an image and sensor regions having light sensors formed adjacent to the corresponding pixel units to sense a position of a contacted object; a second substrate disposed on the first substrate, comprising: color filters formed on regions corresponding to the pixel units and first black matrices formed on regions corresponding to the sensor regions of the pixel units; a liquid crystal layer interposed between the first substrate and the second substrate; and a backlight assembly disposed on a bottom portion of the first substrate and providing light to the first substrate and the second substrate. The liquid crystal display device with the built in touch screen determines a point of contact on the touch screen.

Abstract: A liquid crystal display (LCD) with a built-in touch screen includes: a first substrate including a sensor area having a plurality of photosensors; a second substrate positioned over the first substrate, and including a color filter, a light receiving portion, and a transparent electrode layer and a front polarizing plate; an LCD panel including a liquid crystal layer interposed between the first and second substrates; a touch screen driver circuit to measure a capacitance variation sensed through a first sensing line connected to the transparent electrode layer and to calculate a touch area using optical information sensed through a second sensing line connected to the photosensors when a contact object is in contact with the LCD panel, and to output position information of the contact object, sensed by determining whether a touch occurs and whether a multi-touch occurs using the capacitance variation and the touch area.

Abstract: A liquid crystal display (LCD) with a built-in touch screen includes: a first substrate including a pixel area having a plurality of pixels and a sensor area having a plurality of photosensors; a second substrate positioned over the first substrate, and including a color filter, a light receiving portion, a transparent electrode layer, and a front polarizing plate; an LCD panel including a liquid crystal layer interposed between the first and second substrates; and a touch screen driver circuit to sense a capacitance variation provided through a first sensing line connected to the transparent electrode layer when an object is in contact with the LCD panel, and to output position information of the object, sensed by using optical information sensed through a second sensing line connected the plurality of photosensors when the capacitance variation is greater than or equal to a predetermined threshold value.

Abstract: A display device with reduced dynamic false contouring effect is disclosed. In one aspect, the device includes a display unit including a plurality of pixels and a timing controller. The timing controller is configured to determine a grayscale value of an image frame based on a grayscale distribution of the image frame. The controller is further configured to determine an arrangement of sub-frames as a driving mode based on the determined grayscale.

Abstract: A mobile device including a first display, a second display, a foldable coupling portion for coupling the first display to the second display, an angle sensing unit for sensing a folding angle between the first display and the second display, a direction-of-sight sensing unit for sensing a direction of sight of a user, and a controller for determining whether to use a touch input sensed by either the first display or the second display based on the sensed folding angle and the sensed direction of sight.

Abstract: A display panel driver including a moving image determining part, a sensing part and a dithering part. The moving image determining part determines whether an input image data represents a moving image or a static image. The sensing part senses a movement of a display apparatus or a user of the display apparatus. The dithering part performs a dithering operation to the input image data when the input image data represents the moving image or when at least one of the display apparatus and the user moves when the input image data represents the static image.

Abstract: A liquid crystal display (LCD) with a built-in touch screen includes: a first substrate including a pixel area having a plurality of pixels and a sensor area having a plurality of photosensors; a second substrate positioned over the first substrate, and including a color filter, a light receiving portion, a transparent electrode layer, and a front polarizing plate; an LCD panel including a liquid crystal layer interposed between the first and second substrates; and a touch screen driver circuit to sense a capacitance variation provided through a first sensing line connected to the transparent electrode layer when an object is in contact with the LCD panel, and to output position information of the object, sensed by using optical information sensed through a second sensing line connected the plurality of photosensors when the capacitance variation is greater than or equal to a predetermined threshold value.

Abstract: A flat panel display (FPD) with a photo sensor type built-in touch screen capable of performing a scan operation. The FPD with the built-in touch screen includes a plurality of unit pixels disposed in a display region of the FPD and arranged in pixel groups and photo sensors adjacent to the unit pixels of the respective pixel groups. In a scan operation mode, the plurality of unit pixels in each of the pixel groups sequentially emit light to perform a scan operation using the light emitted from the unit pixels and reflected by a scan object to be scanned to be incident on the photo sensors.

Abstract: A sensor scan driver may include a shift register unit for driving photodiodes, a transmission gate unit for changing a voltage range of sensor scan signals generated by the shift register unit, and a buffer unit for supplying the sensor scan signals supplied from the transmission gate unit to the photodiodes, wherein the transmission gate unit includes first and second transmission gates, each including an electrode adapted to receive an output signal of the shift register unit, another electrode adapted to receive the inverted output signal of the shift register unit, an input terminal coupled to first and second power sources, respectively, and an output terminal coupled to an output terminal of the transmission gate unit.

Abstract: A touch sensing system for detecting at least one touch is provided. The touch sensing system includes a touch sensing unit having a plurality of touchable regions for outputting sensing signals of the at least one touch, an operating unit for determining difference values between the sensing signals and a baseline value, a group setting unit for grouping ones of the regions in which the difference values exist into one or more groups, and a threshold value determining unit for determining maximum difference values from the groups to determine first threshold values of the groups corresponding to the determined maximum difference values. The touch sensing system increases the correctness of the touch detection by adaptively changing the first threshold value in accordance with the touch strength. A method of driving the touch sensing system is also provided.

Abstract: A touch sensing system comprises: a touch sensing unit which includes regions having predetermined coordinates; and a baseline updating unit for updating a baseline by reflecting sensing signals outputted from the touch sensing unit. The baseline updating unit includes a comparator for calculating difference values between the sensing signal of an n-th frame and the baseline of an n?1-th frame for each region, and for comparing the difference values with predetermined reference values. The touch sensing system further comprises an arithmetic unit for setting the baseline of the n?1-th frame as the baseline of the n-th frame for a region in which the difference values are larger than the reference values and for the region adjacent to it, and for updating the baseline of the n-th frame by a predetermined arithmetic for a remaining region.

Abstract: A method of detecting a touch point includes detecting an edge image of a finger image from an input image, generating a touch point image utilizing the detected edge image, and calculating coordinates of the touch point from the touch point image. The touch point image may be generated by setting a center at a position separated by a set distance in a gradient direction with respect to a position where the edge image is detected, and generating the touch point image by summing up gradient magnitude values with respect to a set area based on the set center. The coordinates of multiple touch points may be calculated by updating coordinates of the multiple touch points according to the gradient magnitude values accumulatively summed up in the multiple touch points based on a comparison between the coordinates of the multiple touch points and the set distance.

Abstract: The present invention provides a remote-controlled ornithopter capable of flying forward in the upright position, which includes X-shaped main wings? having opposite phases to offset moments applied to a fuselage of the ornithopter. The ornithopter includes the fuselage (100), the X-shaped main wings (200), which are provided on the front end of the fuselage, tail wings (300), which are provided on the medial portion or the rear end of the fuselage, and a tail rotor (400), which controls a direction in which the fuselage flies. The ornithopter further includes a drive unit (500), which operates the main wings, and a flight control unit (600), which has a receiver to receive a signal for controlling the drive unit and the tail rotor. The ornithopter further includes a remote controller (700), which transmits the signal for controlling the drive unit and the tail rotor to the receiver.

Abstract: A touch screen panel is disclosed. The touch screen panel includes a pixel unit, a touch sensing unit, and a data driver configured to provide data voltages to the pixel unit and to provide driving signals to the touch sensing unit.

Abstract: A touch sensing method for a touch screen including an image display device with a touch-sensitive screen. The method includes a filtering process that includes calculating an output signal of an nth frame from a sensing signal of the nth frame output from a touch sensing unit configured to sense touches of the touch-sensitive screen, the calculating using an equation F(n)=I(n)×W(n)+F(n?1)×[1?W(n)], wherein F(n) represents the output signal of the nth frame, I(n) represents the sensing signal of the nth frame, F(n?1) represents an output signal of an (n?1)th frame, and W(n) represents a filtering coefficient; and outputting the output signal of the nth frame to an output end. The filtering coefficient is calculated by an equation W ? ( n ) = ? I ? ( n ) - F ? ( n - 1 ) ? R , wherein R is a scale constant. The touch sensing method has high touch sensitivity in an environment with heavy noise while being capable of correctly detecting touch coordinates.

Abstract: A touch sensing apparatus includes: a sense unit connected to a sense scan line and a sense line; a location detection unit that detects a location of a touch from a sense signal transmitted from the sense unit through the sense line; and a determination and trigger unit that determines whether a touch is sensed from the sense signal, generates a trigger signal that instructs whether or not to operate the location detection unit, and transmits the trigger signal to the location detection unit. The determination and trigger unit includes a logic operation circuit that generates a trigger signal for operation of the location detection unit when the sense signal implies that a touch is sensed while a sense driving signal is applied to at least one of a plurality of sense scan lines. The location detection unit is operated at a minimum to minimize power consumption.

Abstract: A flat panel display (FPD) with a photo sensor type built-in touch screen capable of performing a scan operation. The FPD with the built-in touch screen includes a plurality of unit pixels disposed in a display region of the FPD and arranged in pixel groups and photo sensors adjacent to the unit pixels of the respective pixel groups. In a scan operation mode, the plurality of unit pixels in each of the pixel groups sequentially emit light to perform a scan operation using the light emitted from the unit pixels and reflected by a scan object to be scanned to be incident on the photo sensors.

Abstract: A sensor scan driver may include a shift register unit for driving photodiodes, a transmission gate unit for changing a voltage range of sensor scan signals generated by the shift register unit, and a buffer unit for supplying the sensor scan signals supplied from the transmission gate unit to the photodiodes, wherein the transmission gate unit includes first and second transmission gates, each including an electrode adapted to receive an output signal of the shift register unit, another electrode adapted to receive the inverted output signal of the shift register unit, an input terminal coupled to first and second power sources, respectively, and an output terminal coupled to an output terminal of the transmission gate unit.

Abstract: A liquid crystal display (LCD) with a built-in touch screen includes: a first substrate including a pixel area having a plurality of pixels and a sensor area having a plurality of photosensors; a second substrate positioned over the first substrate, and including a color filter, a light receiving portion, a transparent electrode layer, and a front polarizing plate; an LCD panel including a liquid crystal layer interposed between the first and second substrates; and a touch screen driver circuit to sense a capacitance variation provided through a first sensing line connected to the transparent electrode layer when an object is in contact with the LCD panel, and to output position information of the object, sensed by using optical information sensed through a second sensing line connected the plurality of photosensors when the capacitance variation is greater than or equal to a predetermined threshold value.