Abstract: An exemplary apparatus comprises a housing attachable to a touchscreen-equipped computing device wherein one or more image sensors in the housing obtain images of an object in the vicinity of the touchscreen and a processor analyzes the images to compute the position of the object relative to the touchscreen and communicates to the computing device attribute data pertaining to the imaged object. Exemplary methods are also described.

Abstract: A user interface enhancement system that includes a sheet that defines a surface and at least partially defines a fluid vessel arranged underneath the surface, a volume of fluid contained within the fluid vessel that cooperates with the sheet to transmit an image through the sheet without substantial obstruction, a displacement device that influences the volume of fluid within the fluid vessel to expand and retract at least a portion of the fluid vessel, thereby deforming a particular region of the surface, and an attachment component that couples the sheet to the device is disclosed.

Abstract: A display device includes a display panel including a plurality of pixels, a sensing electrode generating a sensing signal in response to an external stimulus, a sensing line connected to the sensing electrode, a sensing driver connected to the sensing line, receiving the sensing signal from the sensing line and storing the sensing signal as a specific register value, and outputting a position pulse according to the specific register value, and a signal controller determining a position of the external stimulus based on the position pulse and a predetermined clock signal.

Abstract: The described embodiments present a system and method for obtaining a portion of a digital document from a printed version of the document. Locations where a smart pen device interacts with a digital bookclip aligned relative the printed document are identified via coordinate sets. A digital document associated with the printed document and the coordinate sets from the smart pen device and digital bookclip are used to identify locations in the digital documents corresponding to locations in the printed document. Data from the identified locations in the digital documents is retrieved and presented to a user and can then be copied, saved, mailed electronically, and/or printed to a new paper document.

Abstract: A liquid display panel driving method to drive a plurality of pixels of a liquid display panel in a frame period comprising a plurality of data input intervals is provided. Each pixel comprises first and second capacitors coupled to a first and second common electrode respectively. The liquid display panel driving method comprises the steps of: keeping the second common electrode at the same voltage level; modifying the voltage of the first common electrode of each pixel along a row of scan line to perform a first pre-charge before the data input interval; turning on the pixels to make each pixel receive the data voltage from the data lines during the data input interval; and turning off the pixels and modifying the voltage of the first common electrode to further set the voltage of each of the pixels to a target level after the data input interval.

Abstract: A pixel circuit for an organic light emitting diode display is disclosed. The pixel is configured to provide fast response time and good isolation from data transition coupling.

Abstract: The present invention relates to a dynamic contrast ratio processing method and apparatus of a liquid crystal displaying apparatus.

Abstract: A display device having subpixel repeating groups is presented. Each subpixel repeating group has an even number of four or more subpixels and includes odd-numbered subpixels and even-numbered subpixels alternately arranged in a row direction, each subpixel having a color. A data driver is configured to provide data signals to the subpixels such that the odd-numbered subpixels have a polarity that is opposite that of the even-numbered subpixels in each of the subpixel repeating groups. A first subpixel repeating group and a second subpixel repeating group are adjacent in the row direction. The first subpixel of the first subpixel repeating group and the first subpixel of the second subpixel repeating group have the same color and opposite polarities.

Abstract: A locating method for an optical touch device to calculate a position of a light blocking object is provided. The optical touch device includes a number of image detecting components. Each of the image detecting components includes a number of pixels arranged in a straight line. In the locating method, the pixels of each of the image detecting components are at least divided into a first group and a second group. When the first group detects a dark point caused by the light blocking object, the position of the dark point is calculated using a first calculating method. When the second group detects the dark point, the position of the dark point is calculated using a second calculating method. The locating method can determine the position of the light blocking object accurately. An optical touch device that is suitable for using the locating method is also provided.

Abstract: A display device includes a display panel including a gate line and a data line, a gate driver that outputs a gate voltage to the gate line according to a gate output enable signal, a data driver that outputs a data voltage to the data line, a detecting circuit that detects a state of a clock signal. The state of the clock signal includes a normal or abnormal state. A masking circuit performs a masking operation for the gate output enable signal according to the state of the clock signal and a level of a reset signal, where the level of the reset signal includes a first or second level corresponding to a power-on or off of the display device, respectively.

Abstract: A portable terminal receives a user operation on a terminal screen of the portable terminal in a portable terminal normal mode. After receiving the user operation, the portable terminal shifts from a portable terminal normal mode to a portable terminal in-operation state, in which the portable terminal sends out a portable terminal in-operation notice to an in-vehicle apparatus. The in-vehicle apparatus shifts to a portable terminal in-operation mode upon receiving the notice from the portable terminal, and invalidates a reaction force by a reaction force generation unit to transit to a portable terminal normal state.

Abstract: A method for determining scanning times of touch driving pulse in a touch panel includes steps of: judging a current gate line scan period is in which one of a data updating time period and a blanking time period; if the current gate line scan period is in the data updating time period, setting a scanning times of touch driving pulse in the current gate line scan period to be a first value; and if the current gate line scan period is in the blanking time period, setting the scanning times of touch driving pulse in the current gate line scan period to be a second value. The first value is different from the second value, and a time for touch driving pulse scanning is non-overlapped with another time for providing display data to data lines of the touch panel in each scan line scan period.

Abstract: An image processing unit (2 in FIG. 1) discards a high gray level side of input image data (RiGiBi) in accordance with a chroma coefficient (Csc), thereby to generate a signal of lowered chroma, and it expands the signal into output image data (RoGoBo) of full scale. Besides, the image processing unit (2) generates an image adjustment parameter (Th) and performs a control so as to reduce power of backlight (6), in interlocking with the full-scale expansion.

Abstract: Disclosed is a level shift circuit that includes a first transistor of a first conductivity type connected between a first power supply line and a first node, and second and third transistors of a second conductivity type connected in series between a second power supply line and the first node. A first control signal is supplied in common to a gate of the first transistor and a gate of one of the second and third transistors. A gate of the other of the second and third transistors is connected to an input terminal to which an input signal with an amplitude lower than a power supply amplitude of the first and second power supplies is supplied.

Abstract: A system for displaying video on electronic paper displays to reduce video playback artifacts comprises an electronic paper display, a video display driver, a video transcoder, a display controller, a memory buffer and a waveforms module. The video display driver receives a re-formatted video stream, which has been processed by the video transcoder, from the memory buffer. The video display driver directs the video transcoder to process the video stream and generate pixel data. The video display driver loads waveforms into the frame buffer and updates display commands repeatedly to activate the display controller until the end of the video playback. The video display driver directs copying video frames sequentially one by one from the memory buffer to the frame buffer in real time during the video playback. The video transcoder receives a video stream for presentation on the electronic paper display and processes the video stream generating pixel data that is provided to the display controller.

Abstract: In a touch panel, a rectangular resistive film is formed on a substrate and electrodes are provided along the four sides of the resistive film. Each electrode includes a plurality of gaps and a plurality of divided electrodes. The divided electrodes are linearly arranged along the corresponding side of the resistive film, and the electrode, in which the divided electrodes at both ends are connected to terminals, respectively, is formed by arranging the divided electrodes of the same shape and repeating this same shape.

Abstract: A touch-type keyboard with multiple functions associated with each key which functions are uniquely selected based on finger position. Each of a plurality of mechanical keys are associated with at least three functions. Each key has a surface area for actuation by a user's finger. The surface area is mapped to zones associated with each function. Function actuation is determined by detection of the finger position when the key is actuated. In the event of a finger overlapping multiple zones during actuation, unique function selection is determined at least in part from the pattern of finger overlap with the plural zones.

Abstract: A backlight assembly includes a light source unit, at least one block driving unit, a controller unit and a noise removing circuit. The light source unit includes a plurality of dimming blocks generating light. The block driving unit drives the dimming blocks. The controller unit controls the block driving unit. The noise removing circuit is connected to the block driving unit and the controller unit to prevent noise from being applied to a reset terminal of the block driving unit.

Abstract: A display module including a touch panel configured to be touched so as to input information, a liquid crystal display panel disposed below the touch panel and configured to display the information to be touched on the touch panel, a plurality of emitting light units configured to emit infrared light formed in at least two sides of the touch panel, a plurality of image sensors disposed below the liquid crystal panel and configured to detect infrared rays redirected through the liquid crystal panel towards the image sensors based on a touching of the touch panel, and a controller configured to determine a portion of the touch panel that is touched based on signals received from the plurality of image sensors.

Abstract: The present invention relates to a memory circuit integrated in each pixel of a display device includes a switching circuit and a memory unit. The switching circuit includes a first transistor having a gate configured to receive a switching control signal, a source and a drain electrically coupled to a liquid crystal capacitor of the pixel, and a second transistor having a gate configured to receive a switching control signal, a source electrically coupled to a storage capacitor of the pixel, and a drain electrically coupled to the liquid crystal capacitor. The memory unit is electrically coupled between the source of first transistor and the storage capacitor.