Abstract: Examples are disclosed relating to electronic styli and methods for protecting a tip of an electronic stylus. In one example, an electronic stylus comprises an elongated body and a tip protection mechanism within the elongated body comprising a housing that is moveable relative to the elongated body. A protective cone is located at a body tip end of the body, with the stylus tip configured to protrude from the protective cone. A method for protecting the tip comprises preventing relative movement between the housing and the elongated body when a force exerted on the tip is below a protection threshold. When the force exerted on the tip reaches the protection threshold, the method includes allowing movement between the housing and the elongated body that retracts the tip into the protective cone.

Abstract: A display device including: a display panel; a scan driver; and a data driver, wherein the data driver includes: a controller configured to generate a gamma voltage control signal with respect to gamma voltage information corresponding to a target luminance level of an image displayed by the display panel; a gamma voltage generator configured to generate gamma voltages having a voltage range corresponding to the target luminance level based on the gamma voltage control signal; and a decoder configured to generate the data signal corresponding to a grayscale value using the gamma voltages, and wherein the controller calculates an offset value corresponding to the target luminance level and applies the offset value to values obtained using gamma voltage information about sample luminance levels to obtain gamma voltage information corresponding to the target luminance level.

Abstract: A switching circuit is disclosed. The switching circuit can comprise a plurality of pixel mux blocks, each of the pixel mux blocks configured to be coupled to a respective touch node electrode on a touch sensor panel, and each of the pixel mux blocks including logic circuitry. The switching circuit can also comprise a plurality of signal lines configured to be coupled to sense circuitry, at least one of the signal lines configured to transmit a touch signal from one of the respective touch node electrodes to the sense circuitry. The logic circuitry in each pixel mux block of the plurality of pixel mux blocks can be configured to control the respective pixel mux block so as to selectively couple the respective pixel mux block to any one of the plurality of signal lines.

Abstract: This application relates to an information output apparatus. In one aspect, the apparatus includes a casing including an expression surface and an expression hole formed in the expression surface. The apparatus also includes a protrusion provided to reciprocate such that at least a part thereof protrudes out of the expression hole and information is expressed on the expression surface. The apparatus also includes a driving module located inside the casing and connected to the protrusion to move the protrusion.

Abstract: A display apparatus is provided. The display apparatus includes a display, a user interface, a memory configured to store information regarding an area of interest for each game type, a plurality of light emitting diodes (LEDs) provided on one area of the display and configured to emit light in various colors, and a processor configured to, based on information related to a game type being selected through the user interface, identify an area of interest corresponding to the selected game type based on the information stored in the memory and control a light-emitting state of the plurality of LEDs based on red, green, and blue (RGB) grayscale data of a pixel corresponding to the identified area of interest in a game image provided through the display.

Abstract: A tiling display apparatus includes a plurality of display modules connected to one another through a first interface circuit and a second interface circuit and a set board receiving a defect occurrence and position signal, generated in a broken-down module of the plurality of display modules, from the broken module through the first interface circuit in a first period, generating a defect recognition completion signal in a second period succeeding the first period, and transferring the defect recognition completion signal to the broken-down module through the second interface circuit in the second period.

Abstract: A backlight unit, a control method thereof, and a liquid crystal display device are provided. The control method includes following steps: obtaining backlight data corresponding to each of the partitions, the backlight data including multiple bits of data; dividing a frame of a lighting process of each light-emitting unit of the partitions into a plurality of sub-fields having different durations, wherein each of the sub-fields corresponds to one of the bits of data; and outputting the sub-fields having different durations corresponding to each of the partitions in a preset order.

Abstract: There is provided a method for adjusting white balance of a spliced screen, which includes: acquiring an image to be analyzed; the image to be analyzed includes a picture, to be analyzed, displayed by a display screen to be adjusted, and the display screen to be adjusted is at least a portion of all display screens of the spliced screen; and determining a white balance adjustment mode of the display screen, to be adjusted, corresponding to the picture to be analyzed according to at least the picture to be analyzed in the image to be analyzed.

Abstract: An instruction of an electronic device is provided. The instruction of the electronic device, when executed by a processor, causes a display panel to be operated using one of a first gamma set corresponding to a first operating frequency and a second gamma set corresponding to a second operating frequency, each of the first gamma set and the second gamma set comprises gamma voltage values for each luminance and gradation, the first gamma set and the second gamma set include the same gamma voltage value in a first gradation range of a first luminance so as to have the substantially same optical characteristic when the operating frequency changes, the first gamma set and the second gamma set include the same gamma voltage value in a second gradation range of a second luminance, and the first gradation range and the second gradation range are different from each other.

Abstract: A low-power display device is provided. The display device is provided with a plurality of display portions. A data driver circuit and an addition circuit are provided to have a region overlapping with the display portion. First analog data is output from the data driver circuit in the case where first digital data consisting of a first digital value is input to the data driver circuit, whereas second analog data is output from the data driver circuit in the case where second digital data consisting of a second digital value is input to the data driver circuit. The addition circuit generates analog data corresponding to digital data that has a high-order bit that is the first digital value and a low-order bit that is the second digital value, by adding the second analog data to the first analog data. An output terminal of the data driver circuit is directly connected to an input terminal of the addition circuit without through an amplifier circuit.

Abstract: A display device includes light-emitting units including at least one element set including light-emitting elements; a first storage unit that stores temperature data of the at least one element set; and a compensator that extracts a first element set having temperature data of a higher temperature than an average temperature among the temperature data of the at least one element set and compensates for image data based on the extracted first element set to generate compensation data.

Abstract: A display apparatus includes: a display panel including: a gate line; a data line; and a pixel electrically connected to the gate line and the data line, and to display a normal image and a compensation image; a gate driver to output a gate signal to the gate line; a data driver to output a data voltage to the data line; and a power voltage generator to vary a level of a gate power voltage based on a compensation duty ratio corresponding to a ratio between a display duration of the normal image and a display duration of the compensation image.

Abstract: Disclosed are techniques for improving the color uniformity of a display of a display device. A plurality of images of the display are captured using an image capture device. The plurality of images are captured in a color space, with each image corresponding to one of a plurality of color channels. A global white balance is performed to the plurality of images to obtain a plurality of normalized images. A local white balance is performed to the plurality of normalized images to obtain a plurality of correction matrices. Performing the local white balance includes defining a set of weighting factors based on a figure of merit and computing a plurality of weighted images based on the plurality of normalized images and the set of weighting factors. The plurality of correction matrices are computed based on the plurality of weighted images.

Abstract: A pixel compensation method includes determining an actual driving digital voltage of each organic light-emitting sub-pixel in a detection row; performing mean value calculation based on the actual driving digital voltage of each organic light-emitting sub-pixel in the detection row to determine an average driving digital voltage corresponding to the detection row; calculating a voltage difference between the actual driving digital voltage of the organic light-emitting sub-pixel in the detection row and the average driving digital voltage, and counting the voltage differences to form a voltage difference set; and outputting a corresponding data compensation analog voltage to the organic light-emitting sub-pixel in the detection row when an absolute value of a maximum voltage difference in the voltage difference set is greater than or equal to a target threshold. The pixel compensation method of this disclosure can improve the uneven display and improve the display effect.

Abstract: An example apparatus having a heterogenous memory system includes a first sensor layer, of a plurality of stacked sensor layers, including an array of pixels; and one or more semiconductor layers of the plurality of stacked sensor layers located beneath the first sensor layer, the one or more semiconductor layers configured to process pixel data output by the array of pixels, the one or more semiconductor layers including a first memory to store most significant bits (“MSBs”) of data involved in the processing of the pixel data; a second memory to store least significant bits (“LSBs”) of the data; and wherein the first memory has a lower bit error rate (“BER”) than the second memory.

Abstract: A backlight adjusting method of display device, a backlight adjusting device and a display device are provided, where the display device includes a display panel and a backlight element, the display panel is divided into a plurality of display subareas, the backlight element includes a plurality of backlight subareas, the display subareas and the backlight subareas are in a one-to-one correspondence, the method includes: for each of the backlight subareas, calculating an initial backlight value of the backlight subarea according to pixel information of the display subarea corresponding to the backlight subarea; and determining a first correction backlight value of the backlight subarea according to a preset backlight threshold and an initial backlight value of each of the other backlight subareas adjacent to the backlight subarea.

Abstract: A display device includes: a pixel part partitioned into blocks; a scale factor provider which calculates a first load value of input image data for the pixel part, calculates a second load value of the input image data for each block, and generates a scale factor based on the first and second load values; and a timing controller which generates image data by scaling gray values of the input image data based on the scale factor. The scale factor provider generates a first scale factor for commonly controlling the gray values for the blocks based on the first load value, when the first load value is greater than or equal to a reference load value, and generates a second scale factor for controlling gray value for each block based on the first and second load values, when the first load value is less than the reference load value.

Abstract: Example systems described herein are configured to limit inadvertent actuations of a touchpad. The system may include a touchpad, mechanically-activated switch(es), a locking assembly, and a controller. The touchpad is configured to receive a touch input from a user. The mechanically-activated switch(es) are adjacent to the touchpad. The mechanically-activated switch(es) are configured to be activated when a depression force associated with the touch input exceeds a force threshold. The locking assembly is configured to selectively inhibit the touchpad from depressing the mechanically-activated switch(es) depending on whether one or more inhibiting criteria are satisfied. For instance, the inhibiting criteria may take into consideration an inferred intent of the user, an input mode of the touch input, and/or the depression force associated with the touch input.

Abstract: A handwriting input device includes a display section which includes a display surface and which, in operation, displays handwritten input information that is handwritten on the display surface, a position detection sensor which is disposed such that a position detection area of the position detection sensor is superimposed on a display area of the display surface and which, in operation, detects a position corresponding to the handwritten input information, a memory which, in operation, stores electronic data according to the position that corresponds to the handwritten input information and that has been detected by the position detection sensor, a transmission circuit which, in operation, transmits the electronic data stored in the memory to an external device, and a control circuit which, in operation, controls the transmission of the electronic data stored in the memory to the external device via the transmission circuit.

Abstract: An electronic system includes a control circuit to provide a binary control signal alternating between a first binary state during first phases and a second binary state during second phases; a screen controlled by the control signal, the screen emitting light during each first phase, and to not emit any light during each second phase; a light sensor under the screen or along the edge of the screen, and providing a measurement signal representative of a quantity of light received by the sensor during a measurement phase or a plurality of consecutive measurement phases; and a synchronization device to synchronize each measurement phase with a second phase.