Abstract: A graphic display method and apparatus are provided. In the graphic display method, a terminal may detect a touch operation on a screen when there is a to-be-processed event (S101); obtain touch point coordinates of the touch operation (S102); display, in a position indicated by the touch point coordinates, a touch graphic used to indicate the touch operation (S103), and display, on the screen based on the touch point coordinates, an operation indication graphic corresponding to the to-be-processed event (S104). The touch graphic and the operation indication graphic are displayed on the screen to enable a user to see a current to-be-processed event in a more intuitive and vivid manner, thereby reducing a misoperation rate of a touch operation and improving operation experience of the user.

Abstract: A touch display device includes a touch panel on which a plurality of touch electrodes is disposed; and a touch circuit configured to output a touch driving signal of a pulse type to the touch panel and to sense occurrence of touch or a touch position according to a touch synchronization signal for defining a touch period, wherein the touch circuit is configured to receive the sensing data to sense occurrence of touch or a touch position and to determine whether the touch driver malfunctions, and to output a simplified initialization command to the touch driver when it is determined that the touch driver malfunctions, and the touch driver is initialized with a pre-stored set value maintained not changed upon receiving the simplified initialization command.

Abstract: A processing device as a personal digital assistant includes a display unit configured to display an image, a connection detector configured to detect that an external display device has been connected, an image output unit configured to output an image displayed on the display unit to the display device in response to the connection of the display device, and a user interface output unit configured to switch an image displayed on the display unit to display of a user interface for instructing execution of processing related to the image output to the display device at a predetermined brightness value in response to the connection of the display device.

Abstract: In some examples, a computing device may convert thermal energy to electricity. The computing device may include a stylus holder located on an edge of the enclosure and may be associated with a stylus detachably stored in the stylus holder. The stylus holder may be configured to hold a stylus when the stylus is not in use. The stylus may include one or more rechargeable batteries and one or more thermocouples to generate electricity to charge the one or more rechargeable batteries. The thermocouples may generate the electricity based on a temperature difference between a first location of the stylus that is heated to a first temperature by a user's body part (e.g., fingers) in contact with the stylus at the first location and a second location of the stylus that is at a second temperature that is lower than the first temperature.

Abstract: A display device includes a display panel that includes a display area and a first peripheral area adjacent to the display area. The first peripheral area includes a bendable region extending across the display panel and a plurality of signal lines partially included in the bendable region. The plurality of signal lines includes a first and second group adjacent to each other in the bendable region. The first group includes two or more first signal lines that transmit signals of a first polarity. The second group includes two or more second signal lines that transmit signals of a second polarity different from the first polarity. The first and second group are separated by a first interval, and signal lines within the first or second group are separated by a second interval. The first interval is greater than the second interval.

Abstract: The differential difference amplifier circuit includes a differential input stage circuit, a loading stage circuit coupled to the differential input stage circuit, and an output stage circuit coupled to the loading stage circuit. The output stage circuit is configured to generate an output signal. The differential input stage circuit includes a first differential pair having a first transconductance and a second differential pair having a second transconductance. The first differential pair is biased by a first current source and receives a first input signal and the output signal. The second differential pair is biased by a second current source and receives a second input signal and the output signal. At least one of the first transconductance and the second transconductance is adjusted according to the image data.

Abstract: The present disclosure provides a touch control panel including a first insulating layer, a touch control pattern layer, a second insulating layer and a pattern matching layer. The touch control pattern layer is provided on the first insulating layer, and the touch control pattern layer includes a plurality of driving electrodes laterally arranged, a plurality of detection electrodes longitudinally arranged and a plurality of spacer regions provided therebetween. A second insulating layer is provided on the touch control pattern layer and the second insulating layer forms recessed regions at a position of the spacer regions. A pattern matching layer is provided on the second insulating layer. A material and thickness of the pattern matching layer are the same as those of the touch control pattern layer. An orthographic projection of the pattern matching layer on the second insulating layer coincides with the recessed regions.

Abstract: A multi display device can include a first display panel including a display region having a plurality of pixels for displaying an image and a non-display region at a periphery of the display region; and a second display panel including a display region having a plurality of pixels for displaying an image and a non-display region at the periphery of the display region of the second display panel, wherein a portion of the non-display region of the first display panel includes a transparent region, wherein the second display panel is disposed such that a portion of the display region of the second display panel overlaps the transparent region of the non-display region of the first display panel.

Abstract: A method for controlling an interface in an electronic device includes a touch-sensitive display. A first predefined user action is detected, together with a second user action, and the electronic device defines and positions a cursor on the display screen. A first display area which contains soft buttons from a certain part of the display screen (depending on cursor position) is projected within or around the portion of the display within reach of a user's thumb, for one-handed operation. The soft buttons in such first display area can be shrunk or enlarged in size as user requires.

Abstract: A touch input device including a connection member electrically connecting a sensor electrode and a printed circuit board by contact without soldering may include a base including a metal complex, an electrode groove formed by irradiating a laser on the base, a sensor electrode formed on the electrode groove through a plating or deposition process and including a conductive material, a sensor IC to sense a change in capacitance of the sensor electrode, a printed circuit board on which the sensor IC is mounted and is disposed to be coupled with the base, and the connection member provided on the printed circuit board and configured to electrically connect the sensor electrode and the printed circuit board, wherein the connection member may elastically come into contact with the sensor electrode to connect the sensor electrode and the printed circuit board.

Abstract: An organic light emitting display (OLED) device may include a display panel, a gate driver, a data driver, a timing controller and a deterioration compensation unit. The deterioration compensator may detect one or more deteriorated regions in the display region based on stress data of the respective pixels, the stress data being generated by counting input data corresponding to the respective pixels, and generate compensation data of pixels included in each of the deteriorated regions, based on the stress data of the respective pixels and sensing data for deteriorations of pixels included in two or more horizontal lines which are arbitrarily selected among horizontal lines corresponding to the deteriorated region.

Abstract: A display control apparatus includes: a head mounted display information acquisition block configured to acquire information indicative of a position of a head mounted display worn on a head of a user; an input apparatus information acquisition block configured to acquire information indicative of a position of an input apparatus for use by the user; an instruction input acquisition block configured to acquire information indicative of an instruction entered in the input apparatus; and an image generation block configured to generate an image to be displayed on the head mounted display on a basis of an instruction acquired by the instruction input acquisition block. The image generation block displays an image of the input apparatus at a position in the image determined on a basis of a relative position with the head mounted display of the input apparatus.

Abstract: An operating method of a touch driving integrated circuit (TDI) sensing a user touch on a touch panel includes: transmitting a first touch signal through a transmission line connected with the touch panel; receiving a first sensing signal through a reception line connected to the touch panel; receiving a first display noise through a detection line connected to the touch panel; and offsetting a noise included in the first sensing signal by using the first display noise.

Abstract: Systems and methods for authentication code entry in touch-sensitive screen enabled devices are disclosed. In one embodiment, a method for entering data to a data entry device comprising at least one computer processor, a memory, and a touch-sensitive screen may include the touch-sensitive screen providing an input interface comprising a plurality of virtual keys; the touch-sensitive screen sensing a first touch on the touch-sensitive screen; the touch-sensitive screen sensing a release of the first touch and a location of the first touch at the time of release; the computer processor determining a corresponding virtual key based on the location of the first touch at the time of release; the computer processor receiving an entry gesture at an entry gesture interface; and the computer processor identifying the corresponding virtual key as a value in an authentication code following the receipt of the entry gesture.

Abstract: A method for generating a signal includes: encoding, by an active stylus, transmission information into n-bit q-ary codes; performing, by the active stylus, frequency modulation on the n-bit q-ary codes, respectively, to generate a plurality of encoded frequency-modulated signals; and combining, by the active stylus, a preset fixed-frequency signal for detecting a stylus tip position with the plurality of encoded frequency-modulated signals to form an encoded signal. A method for analyzing a signal, an active stylus, and a touchscreen are also provided. The method for generating a signal, the method for analyzing a signal, the active stylus, and the touchscreen transmit more coding information within a relatively short time, thereby solving a problem of low efficiency of information transmission between an active stylus and a touch screen.

Abstract: A light emitting diode (LED) driving circuit that sequentially drive a plurality of series-coupled LED groups comprising at least one LED is provided. The LED driving circuit includes a plurality of mid nodes coupled to terminals of the plurality of the LED groups, a common node with a reference voltage, a switch unit configured to form a plurality of current movement paths between the common node and the plurality of the mid nodes and configured to select a current movement path based on a control signal, a current measuring unit configured to detect a current flow through the common node, and a current control unit configured to generate the control signal based on the detected current flow.

Abstract: Disclosed is a sensing circuit of a display device for external compensation of an OLED. The sensing circuit includes a current receiving unit configured to receive a pixel current containing a leakage current, convert the pixel current at a preset current ratio, and output the converted pixel current; a current source unit; a current sinking unit; a current detection unit; and a detection signal output unit configured to sample an offset voltage corresponding to the leakage current using the detected current.

Abstract: Techniques for driving a dual modulation display include generating backlight drive signals to drive individually-controllable illumination sources. The illumination sources emit first light onto a light conversion layer. The light conversion layer converts the first light into second light. The light conversion layer can include quantum dots or phosphor materials. Modulation drive signals are generated to determine transmission of the second light through individual subpixels of the display. These modulation drive signals can be adjusted based on one or more light field simulations. The light field simulations can include: (i) a color shift for a pixel based on a point spread function of the illumination sources; (ii) binning difference of individual illumination sources; (iii) temperature dependence of display components on performance; or (iv) combinations thereof.

Abstract: A method of operating an electronic device is provided. The method includes receiving, by a display driving circuit of the electronic device, main image data over a first channel from a first processor or a second processor of the electronic device, outputting, by the display driving circuit, a main image on a display panel of the electronic device based on the main image data, generating, by the display driving circuit, an additional image different from the main image, and merging, by the display driving circuit, the main image with the additional image and outputting, by the display driving circuit, the merged image on the display panel.

Abstract: An image display device comprising a capacitive touch switch that performs switching by detecting a finger based on a change in capacitance that is caused when the finger comes close to a panel, wherein the touch switch comprises the panel, a substrate on which an electrode for detecting capacitance is mounted, and a conductive member corresponding to the electrode, and the conductive member is provided between the panel and the electrode, and is fixed by being interposed between the panel and the electrode.