Abstract: The present application relates to the field of display technology, and provides a driving method and a driving device of display panel, and a display device, by calculating an average gray-scale value of original pixel units in each sub-region of the display panel, then judging whether the average gray-scale value is greater than a preset gray-scale threshold. If the average gray-scale value is greater than the preset gray-scale threshold, a corrected pixel voltage value of the sub-region, according to the average gray-scale value and a preset pixel voltage conversion relationship, is determined, and the corrected pixel voltage value as a pixel voltage value of original pixel units in the sub-region is set.

Abstract: A display device including a position input function includes a pixel, a pixel line extending so as to pass transversely across a display area, a signal supply unit connected to the pixel line, a first position detecting electrode placed in a first area A1 beside the signal supply unit, a second position detecting electrode placed in a second area on a side opposite to the signal supply unit, a first position detecting line placed so as to overlap the pixel line in the first area and connected to the signal supply unit and the first touch electrode, and a second position detecting line placed so as to overlap the pixel line in such a manner as to lie astride the first area and the second area and connected to the signal supply unit and the second position detecting electrode.

Abstract: A pixel includes a light emitting device, a first transistor for controlling an amount of current flowing from a first power source to a second power source via the light emitting device, in response to a voltage applied to a first node, a second transistor coupled between a data line and a second node corresponding to a first electrode of the first transistor, and including a gate electrode coupled to a first scan line, a third transistor coupled between the first node and a third node corresponding to a second electrode of the first transistor, and including a gate electrode coupled to the first scan line, and a fourth transistor coupled between the third transistor and the third node, and configured to maintain a turn-on state.

Abstract: A display device may include a display panel including a display area, a non-display area which may be disposed on a periphery of the display area, and a pad area which may be disposed on one side of the non-display area. The display panel may include data lines disposed in the display area of the display panel along a second direction which intersects a first direction, and connection lines disposed in the display area of the display panel along the first direction. A first data line among the data lines may be connected to a first connection line among the connection lines.

Abstract: Systems and methods for tracking the position of a head-mounted display (HMD). The HMD may include a support structure that carries a forward facing camera and a plurality of optical flow sensor integrated circuits (ICs). The forward camera captures image sensor data in a forward camera field of view (FOV) at a first frame rate, and each of the plurality of sensor ICs captures image sensor data in a respective plurality of sensor IC FOVs at a second frame rate. The sensor IC FOVs may collectively cover at least a substantial portion of the forward camera FOV. A processor may receive the image sensor data from the camera and the plurality of sensor ICs. The processor may process the received image sensor data and/or other sensor data (e.g., IMU data) to track a position of the head-mounted display based on the processing of the received sensor data.

Abstract: A touch sensing system is provided. The touch sensing system includes a touch panel including touch sensors arranged in a grid along row and column directions; a touch controller including at least one transmission circuit to transmit a signal to the touch sensors and at least one reception circuit to detect a signal from the touch sensors; and a switching circuit to selectively connect each of the touch sensors to the at least one transmission circuit and the at least one reception circuit in accordance with an operation mode. The switching circuit connects each of the touch sensors to the at least one reception circuit in a touch mode and connects a first portion of the touch sensors to the at least one reception circuit and a second portion of the touch sensors to the at least one transmission circuit in a proximity mode.

Abstract: An organic light emitting display device includes a pixel, a data line, a first scan line, a second scan line, and a scan driver. The pixel includes a first transistor, a second transistor, and a third transistor. A source of the first transistor is electrically connected to a drain of the third transistor. A source of the second transistor is configured to receive an initialization voltage. The data line is electrically connected to a source of the third transistor and may transmit a data voltage higher than the initialization voltage. The first scan line is electrically connected to a gate of the third transistor. The second scan line is electrically connected to a gate of the second transistor. The scan driver may provide an initializing scan signal to the second scan line at least two horizontal periods before providing an initial scan signal to the first scan line.

Abstract: The disclosure provides a display driving device and an operation method thereof. The display driving device includes a timing controller circuit and a driving circuit. The timing controller circuit performs oblique filter processing on an original image frame to generate a processed image frame. The driving circuit is coupled to the timing controller circuit to receive the processed image frame. The driving circuit drives a display panel module according to the processed image frame. The display panel module includes a tilt lenticular lens layer having a first tilt angle. A second tilt angle of a filter mask of the oblique filter processing corresponds to the first tilt angle.

Abstract: A control method for a display device includes: receiving a user distance, and determining whether the user distance is smaller than a preset distance: if so, transmitting a first control command to a display screen to control the display screen to enter a local display state, and a second control command to a player to control the player to output local image data; receiving the local image data; and transmitting the local image data to the display screen. The user distance is a distance from the user to a reference surface in a direction perpendicular to the reference surface, and the reference surface is a display surface of the display screen or a plane parallel to the display surface. The preset distance is a minimum distance from the user to the reference surface in a case where the field of view of the user covers the entire active area.

Abstract: The present disclosure provides a display device. The display device includes a display panel including each of gate lines extending in a first direction, each of sub-gate lines which extends in a second direction crossing the first direction and is electrically connected to the gate line, each of first data lines, each of second data lines, each of first pixels, and each of second pixels, and a driving circuit for providing a gate signal and data signals, wherein a second capacitance between a second drain electrode and a second gate electrode of the second pixel is greater than a first capacitance between a first drain electrode and a first gate electrode of the first pixel.

Abstract: A position detection system detects a position of an active pen. The position detection system includes: a display device that displays image data by driving each of a plurality of pixel electrodes; and a touch panel including a sensor electrode and a touch sensor. The active pen communicates with the touch sensor using a frequency included in a predetermined frequency band by a charge induced in the sensor electrode. The display device suppresses at least one frequency component included in the predetermined frequency band in capacitive noise that occurs in the sensor electrode due a voltage vibration in an interconnect in the display device caused by driving of the plurality of pixel electrodes. The active pen and the touch sensor communicate by detecting or sending out a signal with a predetermined frequency included in the predetermined frequency band.

Abstract: A display apparatus is provided. The display apparatus includes a display panel including a plurality of pixels and configured to display an image corresponding to an image signal, a backlight including a plurality of light sources, and configured to independently operate a light emitting block corresponding to each of the plurality of light sources to provide light to the display panel, and a processor configured to control an amount of light of each of the plurality of light sources according to the image signal. The processor is configured to calculate an amount of a red (R) light, an amount of a green (G) light, and an amount of a blue (B) light that at least one light source among the plurality of light sources is configured to emit to one area on the display panel, identify the color information of the one area based on each of the calculated amounts of the R light, the G light, and the B light, and adjust an image signal corresponding to the one area based on the identified color information.

Abstract: For enhancing multiple monitor arrangements, a method receives monitor data for a plurality of monitors. The monitor data for each monitor includes a physical dimension, a monitor resolution, a monitor position, and a scale factor. The method receives a transition preference specifying one of a physical parameter preference and a logical parameter preference for each monitor-to-monitor boundary of the plurality of monitors. The method calculates a display transition between adjacent monitors based on the monitor data and the transition preference.

Abstract: An output circuit is provided. The disclosure includes: a positive polarity voltage signal supplying circuit configured to supply or block the supply of a positive polarity voltage signal having a voltage higher than a reference power source voltage to a first node; a negative polarity voltage signal supplying circuit configured to supply or block the supply of a negative polarity voltage signal having a voltage lower than the reference power source voltage to a second node; a first switch formed from a P channel transistor of which a source and a back gate are connected to the first node and a drain is connected to a first output terminal; a second switch formed from an N channel transistor of which a source and a back gate are connected to the second node and a drain is connected to the first output terminal; and third and fourth switches.

Abstract: A data driver includes a digital to analog converter configured to receive a reference gray voltage and image data, and configured to generate gray voltages corresponding to the image data, and an output buffer including a plurality of buffer circuits connected to an output terminal of the digital to analog converter, and configured to selectively receive one of the gray voltages.

Abstract: An active stylus is provided, which can reduce battery power consumption and reduce the time required for its signal transmission. A position detection device includes a tablet and the stylus having a built-in power source, which are capable of bi-directional transmission and reception of signals through capacitive coupling therebetween. The tablet is configured to transmit a trigger signal US_trg and then transmit a command signal US_cmd to the stylus. The trigger signal US_trg causes the stylus to start its command information receiver to receive the command signal US_cmd including information for controlling the stylus.

Abstract: A method of driving an electronic paper display apparatus includes: providing a preprocessing signal in the first pulse signal to the first electrode in the display stage of the first image display stage, so that the first particles and the third particles are mixed, and the first particles and the third particles are closer to a display side of the display apparatus than the second particles; and providing a first sub-pulse signal in the first pulse signal to the first electrode in the display stage of the first image display stage after providing the preprocessing signal, so that the third particles are closer to the display side of the display apparatus than the first particles and the second particles and the microcup displays the third color.

Abstract: An information processing apparatus estimates a position of interest and/or a direction of interest in which a user viewing a video displayed by a display apparatus is potentially interested, the position of interest and the direction of interest being other than a position to which a line of sight of the user is directed, and changes content of the video to be displayed by the display apparatus according to a result of the estimation.

Abstract: A display device includes a display panel including a plurality of pixel rows, and a panel driver configured to drive the display panel. The panel driver includes a scan on time decider configured to receive line image data for each of the plurality of pixel rows, and to determine a scan on time change amount for each of the plurality of pixel rows based on the line image data, and a scan control block configured to adjust a scan pulse applied to each of the plurality of pixel rows according to the scan on time change amount.

Abstract: A display device may include a pixel, a driver unit, and a memory. The pixel unit may display a first image in a first mode and may display a second image in a second mode. The driver unit may be electrically connected to the pixel unit, may provide data signals corresponding to the first image to the pixel unit in response to a first mode start signal, may generate first position data including position information of the first image in response to a first mode end signal, and may enable the pixel unit to shift the first image at a predetermined period in the first mode. The memory may be electrically connected to the driver unit and may store the first position data.