Abstract: A display device includes: a pixel including a first transistor connected between a first node and a second node to generate a driving current; an emission driver supplying an emission control signal; a scan driver supplying first to fourth scan signals in a period in which the emission control signal is supplied; a data drive supplying a data signal; a power supply supplying a voltage of a first power source; and a timing controller controlling driving of the scan driver, the emission driver, the data driver, and the power supply The first scan signal controls a timing at which the voltage of the first power source is supplied to the first node or the second node. The power supply changes a level of the voltage of the first power source in one frame period.

Abstract: The present disclosure provides a pixel circuit including: a first resetting sub-circuit for writing a reference voltage and an initialization voltage to a first node and a second node, respectively; a first data writing sub-circuit for writing a first data voltage to a second node; a first output control sub-circuit for supplying a voltage at the first node to the switch sub-circuit; a charging and discharging sub-circuit for performing charge processing or discharge processing on the first node in response to control of the first data voltage; a switch sub-circuit coupled to the signal supply terminal and an element to be driven for controlling electrical coupling and decoupling between the signal supply terminal and the element to be driven under control of the voltage at the first node. The present disclosure also provides a driving method of the pixel circuit and a display device.

Abstract: A display device includes a substrate, a polycrystalline semiconductor layer including a channel of a driving transistor, and a channel of a seventh transistor, a gate electrode of the driving transistor overlapping the channel thereof, a gate electrode of the seventh transistor overlapping the channel thereof, an oxide semiconductor layer including a channel of a fourth transistor, a gate electrode thereof overlapping the channel of the fourth transistor, a first initialization voltage line connected to a first electrode of the fourth transistor, the first initialization voltage line and the gate electrode of the fourth transistor being position on a same layer, and a second initialization voltage line connected to a second electrode of the seventh transistor, the second initialization voltage line and the first initialization voltage line being positioned on different layers from each other.

Abstract: An organic light emitting diode display device includes: a display panel including a plurality of pixel regions; and a reference voltage compensating part, wherein the reference voltage compensating part: supplies a first reference voltage to the plurality of pixel regions during an active section where a data enable signal is activated, and supplies a second reference voltage higher than the first reference voltage to the plurality of pixel regions during a blank section where the data enable signal is deactivated.

Abstract: The present disclosure relates to an image display apparatus and a method thereof. The image display apparatus according to an embodiment of the present disclosure comprises: a display panel; a panel temperature sensor configured to detect a temperature of the display panel; and a controller configured to: first check a state of the display panel; perform a primary afterimage compensation on the display panel based on a result of first checking the state of the display panel; monitor the temperature of the display panel through the panel temperature sensor when the primary afterimage compensation is performed; secondly check the state of the display panel when the temperature of the display panel is less than or equal to a predetermined reference temperature; and perform a secondary afterimage compensation on the display panel based on a result of secondly checking the state of the display panel.

Abstract: A display device includes a plurality of pixels grouped into blocks divided into block rows extending in a first direction and arranged in a second direction, wherein each block includes two or more pixels connected to a first power source line, and each pixel is assigned with a grayscale value in a range of grayscale values that is divided into a plurality of grayscale sections; and a first power source voltage adjuster selecting a reference block row, and determining a magnitude of a first power source voltage supplied to the first power source line based on a number of blocks in the reference block row having a grayscale section that is same as a maximum grayscale section of the reference block row. The maximum grayscale section corresponds to a grayscale section that includes a largest grayscale value having a grayscale value ratio greater than a minimum ratio.

Abstract: A shift register unit, a gate driving circuit, a display device, and a driving method are disclosed. The shift register unit includes a blanking unit, a first transmission circuit, a second transmission circuit, a first input-output unit, and a second input-output unit. The blanking unit is configured to charge a pull-up control node in response to a compensation selection control signal and input a blanking pull-up signal to a blanking pull-up node. The first transmission circuit is electrically connected to the blanking pull-up node and the first pull-up node, and the second transmission circuit is electrically connected to the blanking pull-up node and the second pull-up node.

Abstract: A first substrate including a first surface and a second surface on an opposite side of the first surface, the first surface being a detection surface for detecting unevenness of an object coming is contact or close, a second substrate facing the other surface of the first substrate, and a sensor unit provided between the first substrate and the second substrate, and which detects the unevenness of a finger coming in contact with or close to the detection surface.

Abstract: A conductive member for a touch panel has a first electrode formed on a substrate and extending in parallel to a first direction, in which the first electrode is electrically connected to a plurality of first mesh cells constituted by a fine metal wire, the fine metal wire is not parallel or perpendicular with respect to a first direction, the first electrode has at least one auxiliary fine metal wire that extends in a first direction, intersects the fine metal wire, is electrically connected to the fine metal wire, and is not parallel to the fine metal wire, and an electrode width Wa of the first electrode in a second direction orthogonal to a first direction and a first mesh pitch P1 of the first mesh cell in a second direction satisfy Wa?2.5P1.

Abstract: The present disclosure relates to a method and a device for adjusting a MINI LED backlight television picture, and discloses that when a television backlight module adopts a MINI LED backlight lamp bead, according to a route of a motion track in a motion picture, the next dark field in an edge area is pre-lightened at a higher refresh rate or an edge of a bright picture is subjected to black shielding when a brightness of previous and next frames changes obviously, thereby improving the picture display effect.

Abstract: A multiplexer circuit and a display panel having the multiplexer circuit are provided. The multiplexer circuit includes a plurality of first transistors, a plurality of first control lines, a plurality of second control lines, a plurality of first transmission lines, and a plurality of second transmission lines. The first transistors are sequentially arranged along a first direction. The first control lines extend along the first direction and are disposed on a first side of the first transistors. The second control lines extend along the first direction and are disposed on a second side of the first transistors. The first transmission lines are respectively coupled between control terminals of a first group of the first transistors and the first control lines. The second transmission lines are respectively coupled to control terminals of a second group of the first transistors and the second control lines.

Abstract: Embodiments of this application provide a light emitting diode (LED) display screen calibration method and a related apparatus. The method includes: calculating a point-by-point thermal compensation calibration coefficient based on a thermal compensation calibration coefficient and a point-by-point calibration coefficient of an LED display screen box; and calibrating the LED display screen box based on the point-by-point thermal compensation calibration coefficient.

Abstract: The present disclosure relates to a method and a device for compensating for a luminance deviation, in which test pixel data is written to pixels disposed on a screen of a display panel and an image of the screen is captured, a luminance deviation is determined by analyzing luminance characteristics based on a measured luminance value of each of the pixels, which is obtained from data of the image of the screen captured by an imaging device, and a defective pixel is detected, and compensation data for reducing the luminance deviation between the pixels is derived for each pixel, so that a measured luminance value or compensation data of the defective pixel can be removed.

Abstract: A display panel, a pixel circuit, and a display device are disclosed. The display panel includes sub-pixels and a driver driving the sub-pixels. Each sub-pixel includes: an emission element; a first transistor configured to generate a driving current; a constant current control circuit configured to receive a reference voltage and a bias voltage for setting a value of the driving current and including a first capacitor configured to store a first compensation voltage generated by adding a threshold voltage of the first transistor to a difference between the bias voltage and the reference voltage; and a pulse width control circuit configured to receive a data voltage used to determine an emission duration of the emission element and including a second transistor configured to control a pulse width of the driving current according to the data voltage and a second capacitor configured to store a second compensation voltage corresponding to a threshold voltage of the second transistor.

Abstract: A display device includes a pixel unit, a binary driver, and a timing generator. The display device is an active matrix display device configured to receive a data signal including image data and other data different from the image data. The pixel unit includes a memory configured to store the image data. The binary driver includes a first holding circuit configured to hold the image data and at least one second holding circuit configured to hold the other data. The timing generator is configured to generate a drive signal used for driving the binary driver.

Abstract: A shift register unit, a gate drive circuit, a display device and a method of driving a gate drive circuit are provided. The shift register unit includes a shift register circuit and an output control circuit. The shift register circuit is configured to output a valid output level at a first output terminal according to a first input signal received by a first input terminal, and is configured to reset according to a first reset signal received by a first reset terminal. The output control circuit is configured to output an invalid output level at the second output terminal according to a second input signal received by the second input terminal, thereby controlling a level of the first output terminal to the invalid output level, and is configured to reset according to a second reset signal received by the second reset terminal.

Abstract: A pixel circuit, a pixel driving method and a display device are provided in the present disclosure. The pixel circuit includes a light-emitting element, a pixel driving circuit, an on-off control circuit and a light-emission time control circuit. A control terminal of the on-off control circuit is electrically coupled to the light-emission time control circuit, and the on-off control circuit is configured to control a driving current output terminal to be coupled to, or decoupled from, the light-emitting element under the control of a potential at the control terminal of the on-off control circuit. The light-emission time control circuit is configured to control an nth light-emission time control signal output terminal to be coupled to, or decoupled from, the control terminal of the on-off control circuit in accordance with an nth light-emission control data voltage under the control of a second gate driving signal. N is an integer larger than 1, and n is a positive integer smaller than or equal to N.

Abstract: A passive matrix LED display driving scheme based on subframe pulse width modulation (PWM) to increase frame scan rate and further with channel-to-channel compensation is provided. The scheme may comprise: dividing each frame of the display video into T number of subframes; converting a driving signal for a pixel into a N-bit driving data, compensating the driving data with a compensation value; mapping the compensated driving data into the T number of subframes respectively.

Abstract: In one embodiment, an active stylus includes a receiver and a transmitter configured to receive and transmit signals from and to a device via a touch sensor of the device, wherein the transmitter is integrated with or comprises an adaptive voltage generation circuit including: a boost voltage controller; a comparator; a switch control; and a bleeder circuit. The active stylus further includes a stylus controller configured to: (a) in a first operation state, control the adaptive voltage generation circuit and the transmitter to transmit signals at a second transmit voltage, and (b) in a second operation state different from the first operation state, control the adaptive voltage generation circuit and the transmitter to transmit signals at a first transmit voltage lower than the second transmit voltage.

Abstract: A scan driver includes a first transistor including gate, first, and second electrodes coupled to a Q node, a scan clock line, and a scan line. A second transistor includes gate and first electrodes coupled to a scan carry line, and a second electrode coupled to the Q node. A third transistor includes gate and first electrodes coupled to a first control line and a sensing carry line. A fourth transistor includes a gate and first electrode coupled to the sensing carry line and the third transistor first electrode. A fifth transistor includes gate, first, and second electrodes coupled to a fourth transistor second electrode, a second control line, and a node. A capacitor includes first and second electrodes coupled to the fifth transistor first and gate electrodes. A sixth transistor includes gate, first, and second electrodes coupled to a third control line, the node, and the Q node.