Abstract: An electronic device and a fingerprint sensing method are provided. The electronic device includes a display panel, a fingerprint sensor, and an integrated driver chip. The display panel includes a plurality of pixel units arranged in an array. The integrated driver chip integrates a display driver circuit and a fingerprint sensing circuit. When the pixel units of the display panel are in an undriven state and a finger object is in contact with a sensing area of the display panel to perform a fingerprint unlock operation, the display driver circuit drives at least a portion of the pixel units corresponding to the sensing area, so that at least a portion of the pixel units provide illumination light to the sensing area. The fingerprint sensing circuit drives the fingerprint sensor to capture a fingerprint feature image of the finger object.

Abstract: An input device including a plurality of press buttons and a touch control area is provided. The press buttons provide a key input function, and the touch control area provides a touch input function. Each of the press buttons pushes against an elastic pad which is used as a sensing electrode of the touch input function and as an elastic recovery element of the key input function.

Abstract: A touch display panel including a display panel and a touch electrode layer is provided. The display panel has a display region and a peripheral region. The touch electrode layer includes a non-edge unit region and an edge unit region, wherein the vertical projection of the non-edge unit region is completely located within the vertical projection of the display region, the vertical projection of the edge unit region overlaps the vertical projections of the display region and the peripheral region, and the size of the edge unit region is greater than the size of the non-edge unit region. The touch electrode layer includes a first electrode series and a second electrode series extending in different directions. The area of the first electrode series disposed within the non-edge unit region is A1, the area of the first electrode series disposed within the edge unit region is A1?, and (|A1?A1?|)/A1?10%.

Abstract: In a display device foldable along a folding axis, the display device includes: a display panel configured to display an image at a display region; and a touch unit configured to sense a touch input at the display region, and sense a folding state of the display device, wherein the touch unit includes: a plurality of first sensors arranged in a matrix on a same plane; and a second sensor overlapping the folding axis, the second sensor comprising a conductive line of which at least a portion is bent.

Abstract: Disclosed is a display device with integrated touch screen, which prevents external light from being reflected by touch electrodes without a polarizer. The display device includes an organic light emitting device layer disposed on a substrate, a plurality of color filters disposed on the organic light emitting device layer, a plurality of first touch electrodes and a plurality of second touch electrodes disposed on the plurality of color filters to overlap a boundary portion between the plurality of color filters, and a black matrix disposed on the plurality of first touch electrodes and the plurality of second touch electrodes to overlap the plurality of first touch electrodes and the plurality of second touch electrodes.

Abstract: A pixel circuit, a driving method and a display device having the pixel circuit are disclosed, wherein the pixel circuit comprises a compensation unit, a driving unit, a light emitting unit, a capacitor, an initialization unit and an external power supply and the driving method comprises a first initialization stage, a second initialization stage, a data writing stage and a light emitting stage.

Abstract: A wiring delay is prevented or reduced by lowering a wiring resistance without making a wire wider. The present invention includes: a light blocking film (102); a light-transmitting film (106); and a first wiring layer (105A) which serves as part of a wire configured to electrically control an amount of transmitted light for each pixel, the first wiring layer (105A) being provided over the light blocking film (102), and the light-transmitting film (106) being provided over the first wiring layer (105A) so as to cover a side surface of the first wiring layer.

Abstract: A display device includes a first substrate, a second substrate, a transistor, a display element, a first touch electrode, a second touch electrode, a spacer, and a light reflector. The second substrate overlaps the first substrate. The transistor is positioned between the first substrate and the second substrate. The display element is electrically connected to the transistor. The first touch electrode contacts the second substrate. The second touch electrode contacts the second substrate and is insulated from the first touch electrode. The spacer overlaps the first touch electrode and is positioned between the first touch electrode and the first substrate. The light reflector overlaps the second touch electrode, is positioned between the second touch electrode and the first substrate, and is spaced from the spacer. A distance between the light reflector and the second touch electrode is greater than a distance between the spacer and the first touch electrode.

Abstract: A sensor detects whether or not an input device and a display device are in a combined state. A control mode determining unit determines a control mode associated with the state detected by the sensor. A control processing unit switches a control mode of a control target apparatus to the control mode determined by the control mode determining unit, and causes the display device to display a function to be operated in a display mode corresponding to the switched control mode.

Abstract: A scanning driving circuit includes a scanning-level-signal-generation module and a scanning-signal-output-module. The scanning-level-signal-generation module is configured to input an (N?1)th stage scanning signal, an (N+1)th stage scanning signal, and a reset signal, generate a scanning level signal based on the (N?1)th stage scanning signal, the (N+1)th stage scanning signal, and the reset signal, and hold the scanning level signal. The scanning-signal-output-module, connected to the scanning-level-signal-generation module, is configured to input a clock signal, and configured to output a scanning signal based in the scanning level signal and the clock signal.

Abstract: A control device includes a data storing unit, a synchronization control unit, and a duty control unit. The synchronization control unit starts a frame period when a vertical synchronization signal is received. The frame period includes a light emission period and a light extinction period. The duty control unit controls a length of the light extinction period, based on a ratio between a total number of vertical lines in a current frame and a pre-set minimum number of vertical lines in a video image displayed on a display panel during a frame period, such that a ratio of a length of the light emission period and a length of the light extinction period during the frame period when a video image is displayed with the total number of vertical lines in the current frame is constant.

Abstract: An array substrate includes a plurality of pixel units defined by intersected gate electrode lines and data lines, a plurality of independent touch-control electrodes arranged in an array, and a touch-control circuit. The touch-control circuit includes a plurality of first switch units, a plurality of first control leads, a plurality of touch-detection terminals, and a control unit. The touch-control electrode is electrically connected to one touch-control terminal through at least one of the first switch units. The first switch unit is electrically connected to the control unit through at least one of the first control leads. The first control lead is configured between any of neighboring rows of the pixel units. Further, when the array substrate is in a touch detection phase, the control unit is capable of controlling an ON status of the first switch units to allow row-by-row control of touch detection for the plurality of touch-control electrodes.

Abstract: A display device includes a display panel including pixels; and a timing controller to calculate a grayscale usage ratio of input data and to determine an automatic-current-limit rate based on the grayscale usage ratio, the automatic-current-limit rate representing a power saving rate.

Abstract: In a method of operating a display device, it is determined whether an image represented by input image data is a single color image, it is determined whether the image represented by the input image data is a low gray image, compensated image data are generated by adding sub-pixel data corresponding to a color different from a color of the single color image to the input image data when the image represented by the input image data is the single color image and the low gray image, and an image is displayed based on the compensated image data.

Abstract: Disclosed is a medical video display system with improved operability in manipulation regarding display of medical videos, which include a changeover device through which one, or two or more surgical videos are entered; and a work station and a distribution device control unit that distribute one video entered through the changeover device and display it on each of a touch panel and a monitor, wherein the work station allows the touch panel, having the video displayed thereon, to display an operation screen or an operation icon for accepting an operation directed to the monitor.

Abstract: A head-mounted display (HMD) includes an electronic display configured to emit image light, an optical assembly that provides optical correction to the image light, an eye tracking system, and a varifocal module. The optical assembly includes a back optical element configured to receive the image light from the electronic display, and a coupling assembly configured to couple a front optical element to a location within the optical assembly such that the front optical element receives light transmitted by the back optical element. The optical correction is determined in part by an optical characteristic of the front optical element that is replaceable. The eye tracking system determines eye tracking information for a first eye of a user of the HMD. A varifocal module adjusts focus of images displayed on the electronic display, based on the eye tracking information and the optical correction.

Abstract: According to an aspect, a display device includes: a display unit that includes a plurality of pixels arranged in a matrix and that is configured to display images corresponding to a plurality of viewpoints; a parallax adjustment that is placed at a position facing the display unit, and in which a plurality of transmissive regions for transmitting light and a plurality of non-transmissive regions for limiting transmittance of light are provided in a switchable manner; a parallax controller that is configured to change positions of the transmissive regions and the non-transmissive regions, based on external information; and a display controller that is configured to change a number of successive pixels displaying an image corresponding to each of the viewpoints, based on external information.

Abstract: Systems, methods, and computer-readable media are disclosed for generating a holographic masking surface to obscure content displayed on a user device from view of third parties. At least one of a gaze direction of a user of the user device or a direction of interaction of the user with the user device is detected and user interaction data indicative thereof is generated. A set of holographic projectors to activate is then determined based at least in part on the user interaction data, and a holographic masking surface is generated at least in part by activating the set of holographic projectors. A gaze direction of a third party proximate to the user device may also be determined such that the holographic masking surface is generated when the third party is viewing or potentially can view the display of the device and the content being displayed is confidential in nature.

Abstract: A technique is provided that reduces dullness of a potential provided to a line such as gate line on an active-matrix substrate to enable driving the line at high speed and, at the same time, reduces the size of the picture frame region. On an active-matrix substrate (20a) are provided gate lines (13G) and source lines. On the active-matrix substrate (20a) are further provided: gate drivers (11) each including a plurality of switching elements, at least one of which is located in a pixel region, for supplying a scan signal to a gate line (13G); and lines (15L1) each for supplying a control signal to the associated gate driver (11). A control signal is supplied by a display control circuit (4) located outside the display region to the gate drivers (11) via the lines (15L1). In response to a control signal supplied, each gate driver (11) drives the gate line (13G) to which it is connected.

Abstract: Provided are a backlight unit and a liquid crystal display device. The backlight unit includes: one or plural LED light sources including N-colored LEDs; a photo-detecting section which measures light intensities of red, green and blue colors of received light and outputs corresponding signals; a driver section including N LED-drivers; and a control section including a drive-condition calculating section and a memory. The drive-condition calculating section calculates control signals for three colors among the N colors, on the basis of information stored in the memory and the signals outputted by the photo-detecting section, makes a pair of each remaining color and one of the three colors, outputs the control signals for three colors to the corresponding three LED drivers, and outputs a control signal determined by using the control signal for a color paired with each remaining color to the LED driver for the each remaining color.