Abstract: The present invention provides a method for selecting FRC pattern, which includes (1) providing a display device, which includes a display panel, a signal controller including a look-up table and a data processor, and a data driver; (2) the display panel displaying an image and the signal controller supplying and expanding polarity distribution charts of two adjacent frames of the image; (3) establishing matrixes A, B corresponding to the frames; (4) the data processor retrieving and expanding one FRC pattern from the look-up table into matrixes C, D; (5) the data processor making operation on matrixes A, B, C and D to obtain a two-dimensional chart; and (6) determining if bright/dark strips occur according to the two-dimensional chart, whereby if the strips occur, then repeat steps (4)-(6) and if no such strips occur, then the FRC pattern is kept for subsequent use.

Abstract: A printing device for transferring an image representing contents on electronic paper is provided. The printing device includes an electronic paper controller for generating a control signal for transferring the image and outputting the generated control signal to the electronic paper, a touch sensor on a top surface of which the electronic paper is disposed to detect a user input command, a touch sensor controller for outputting a control signal to the touch sensor for driving the touch sensor and receiving the user input command detected by the touch sensor, and a main controller for controlling the electronic paper controller to change an image displayed on the electronic paper according to the user input command input from the touch sensor controller.

Abstract: A liquid crystal display device supplies an active scan signal to each scan line while skipping a portion of a plurality of the scan lines, per one horizontal scan period, in a direction of the m-th to the first scan lines, by a first scan line drive circuit, and supplies the active scan signal to each scan line while skipping the portion of the plurality of the scan lines, per one horizontal scan period, in a direction of the m+1-th to the 2m-th scan lines, by a second scan line drive circuit. Therefore, the liquid crystal display device synchronizes with a timing of supplying the active signal with the first scan line drive circuit and the second scan line drive circuit, and supplies a data signal whose polarity is inverted to a positive polarity potential and a negative polarity potential per one horizontal scan period, to a data line.

Abstract: A display apparatus and a method for transforming color thereof are provided. The display apparatus includes a display panel having a red sub-pixel, a blue sub-pixel, a green sub-pixel and a white sub-pixel, a driver circuit for driving the red sub-pixel, the blue sub-pixel, the green sub-pixel and the white sub-pixel, and a data processing unit. The data processing unit receives a red original data, a blue original data and a green original data to produce a red reference data, a green reference data and a white reference data to the driver circuit as a red data, a green data and a white data, and regulate a produced blue reference data thereof according to a blue component brightness corresponding to the white reference data to provide the a blue data to the driver circuit.

Abstract: Method of detecting a touched position on a touch display of a display apparatus includes determining an amount of an electrical charge generated by a touch on the touch display panel of a display apparatus, determining a difference between the amount of the electrical charge generated from the touch and an amount of a reference electrical charge and comparing this difference to a threshold value, detecting the position of the touch if it is determined that the difference between the amount of the electrical charge generated from the touch and the amount of the reference electrical charge is substantially the same as or larger than the threshold value and detecting the touched position using a pressure according to the touch if it is determined that difference between the amount of the electrical charge and the amount of the reference voltage is smaller than the threshold value.

Abstract: In a touchscreen viewing device, a method for implementing a crease effect. The method includes receiving a swipe input related to an image displayed on a touch screen of a viewing device, upon determination that the swipe input will generate an item end effect, causing a crease effect to appear on the image in response to the swipe input, and subsequent to the end of the swipe input, undoing the crease effect on the image to return the image to an original effect.

Abstract: A portable device with a display unit and a rear surface input unit of a touch-input type including a state assessment unit which assesses that a position designation state is applied when detecting a state a contact object is kept contacting the rear surface input unit in a prescribed time or longer; an index display unit for displaying an index on the display unit, corresponding to a position of the contact object contacting the rear surface input unit; a provisionally determined position storage unit for storing in a storage device, an index position when the contact object is removed from the rear surface input unit as a provisionally determined position; and an input determination unit which makes a definite determination of an input at the provisionally determined position stored in the provisionally determined position storage unit based on a definite determination operation.

Abstract: A sensor panel device that can generate and use a stimulus signal having multiple different waveforms for detecting events on or near the sensor panel is disclosed. Among other things, such a stimulus signal can be used to reject environmental noise present in the device. In some embodiments, the stimulus signal has multiple waveforms having different frequencies. Logic circuitry can generate representative values from output of the different waveforms applied to one or more sensing nodes in the sensor panel device. From the representative values, a final value can be generated that represents whether an event occurred at or near the one or more sensing nodes.

Abstract: A coordinate input device includes: a coordinate input unit having a plurality of first detection electrodes and a plurality of second detection electrodes; an electrode drive circuit that applies a drive signal to one or more of the detection electrodes; a detection circuit that detects a signal of the first and/or second detection electrode; a selection circuit for selecting one or more of the detection electrodes to which the drive signal is not applied from among the detection electrodes which are disposed in parallel to the detection electrodes to which the drive signal is applied, as a reference electrode; a detection circuit for detecting a signal of the selected reference electrode; an input coordinate computing circuit for correcting a detection result of the detection circuit on the basis of the detected capacitance of the reference electrode and for calculating an input coordinate from the corrected detection result.

Abstract: Systems, methods, and apparatuses for controlling current in an electronic device may involve sensing a first voltage, the first voltage representing a battery voltage. The first voltage can be compared to a cutoff voltage. A current may be provided to power a display based on the comparison of the first voltage to the cutoff voltage.

Abstract: Exemplary methods and systems provide for eye-tracking. An exemplary method may involve: causing a projection of a beam of light onto an eye and receiving data regarding a reflection of light from the beam of light off of the eye. The method further includes correlating a pupil of the eye with a darkest region from the data. The darkest region comprises a region that is darker relative to other regions of the reflection data. Once the pupil has been correlated and the pupil location is known, the method includes executing instructions to follow the pupil as the eye moves.

Abstract: A method of controlling a wearable device according to one embodiment of the present specification can include the steps of displaying content on a display unit of the wearable device, sensing a tilt angle of the wearable device and providing a control interface providing control of the content. And, the step of providing the control interface can include the steps of mapping the control interface to the ground based on the sensed tilt angle and a state of the wearable device and displaying the mapped control interface on the display unit.

Abstract: According to an aspect, a display device includes: an image display panel; a color conversion device including a signal processing unit and a signal output unit; a planar light-source device; and a light-source-device control unit. The signal processing unit includes a color conversion circuit that converts an input signal in a reference color area into a converted input signal generated in a definition color area where a chromaticity point of at least one of a first color, a second color, and a third color is inside of a reference color area, and a four-color generation circuit that generates an output signal and a light-source-device control signal from the converted input signal. The signal output unit outputs the drive signal to each sub-pixel based on the output signal. The light-source-device control unit outputs a drive voltage for emitting white light on the planar light-source device based on the light-source-device control signal.

Abstract: The use of one or more proximity sensors in combination with one or more touch sensors in a multi-touch panel to detect the presence of a finger, body part or other object and control or trigger one or more functions in accordance with an “image” of touch provided by the sensor outputs is disclosed. In some embodiments, one or more infrared (IR) proximity sensors can be driven with a specific stimulation frequency and emit IR light from one or more areas, which can in some embodiments correspond to one or more multi-touch sensor “pixel” locations. The reflected IR signal, if any, can be demodulated using synchronous demodulation. In some embodiments, both physical interfaces (touch and proximity sensors) can be connected to analog channels in the same electrical core.

Abstract: A tiled head-mounted display device comprises an optical component including a plurality of prisms with free-form surfaces, and a display component including a plurality of micro-displays (6), wherein the number of the micro-displays (6) and the number of the prisms with free-form surfaces is identical, and each prism with free-form surfaces and the corresponding micro-display (6) constitute a display channel. Each prism is a wedge prism including a first surface (2), a second surface (3) and a third surface (4). The exit pupil planes of each display channel are coincident, thus avoiding pupil aberration and keeping exit pupil diameter and eye clearance same as a single ocular. There is no resolution variance throughout the entire field of view, thus preventing extra trapezoid distortion. The tiled head-mounted display device is compact and lightweight, and provides wide field of view and high resolution.

Abstract: An active-matrix display device employs current-programmed-type pixel circuits and performs the writing data to each of pixels on a line-by-line basis. The active-matrix display device having a matrix of current-programmed-type pixel circuits includes a data line driving circuit 15 formed of m current driving circuits (CD) 15-1 to 15-m arranged corresponding to respective data lines 13-1 to 13-m. The data line driving circuit (CD) 15-1 to 15-m holds image data (luminance data herein) in the form of voltage, and then converts the voltage of the image data into a current signal. The current signal is then fed to the data lines 13-1 to 13-m at a time. The image information is thus written on the pixel circuits 11.

Abstract: According to the present invention there is provided an input device (100) comprising a plurality of keys, at least one detection structure (107), and at least one display (104), wherein: each of the plurality of keys have a depressible key cap (101) with an at least semi-transparent top surface, the at least one detection structure is configured for detecting individual depression of each of the plurality of key caps, and the at least one display (104) is configured for providing image information of individual labels (103) for each key of the plurality of keys. Furthermore, the at least one display is arranged between the at least one detection structure (107) and the plurality of key caps, such that the individual labels (103) of the plurality of keys are viewable via the transparent top surfaces of the respective key caps.

Abstract: A touch sensing system comprising a set of touch surfaces in a touch panel including a population of touch surfaces; and at least one touch alert generator separately alerting for touch on each of, and both of, at least first and second touch surfaces from among the population of touch surfaces, wherein the alert generator is operative to determine capacitance of said first touch surface, determine touch object capacitance of said first and second touch surfaces, and compute a difference between the two capacitances, thereby to generate an approximation for touch object capacitance of said second touch surface.

Abstract: Disclosed is a portable information processing device which can improve convenience by reducing an operational burden resulting from a selecting operation of the user. A control portion (18a) of the portable information processing device (1) selects, at least on the basis of that an external display device (5) is connected and a prescribed application is being started, a second mode from a first mode causing an external display device to display the same data as the data displayed on an built-in display portion (10) and the second mode causing the built-in display portion to display data different from the data displayed on the external display device.

Abstract: A touch type input device includes a display capable of showing a plurality of icons. A detector detects touching of an operation surface. A controller moves operational coordinates on the display based on the detection of the detector. The controller selects one of the icons in accordance with a region in which the operational coordinates are located. Further, the controller moves the operational coordinates to a specified position in the region where the operational coordinates are located when a touch-release operation is performed indicating that the touching of the operation surface has been cancelled.