Abstract: A pixel driving circuit includes: a data writing sub-circuit configured to write a data signal received at a data signal terminal into a first node under control of a first scanning signal received at a first scanning signal terminal; a driving sub-circuit configured to drive a light-emitting device coupled to a second node to work under control of a voltage of the first node and a first power supply voltage signal received at a first power supply voltage signal terminal; and a time control sub-circuit configured to transmit a control signal received at a control signal terminal to the first node under control of a second scanning signal received at a second scanning signal terminal after the light-emitting to device works for a preset time, so that the driving sub-circuit is turned off to control the light-emitting device to stop working.

Abstract: Provided are a display panel, a driving method thereof, and a display device. A pixel circuit in the display panel includes a drive transistor, an initialization transistor, and an initialization signal line. An initialization signal terminal is electrically connected to a first terminal of the initialization transistor and the initialization signal line, a first terminal of the drive transistor is electrically connected to a power signal terminal, a second terminal of the drive transistor is electrically connected to a first terminal of a light-emitting element.

Abstract: A pixel includes a light emitting element, a first transistor including a first electrode electrically connected to a first voltage line which supplies a first driving voltage, a second electrode electrically connected to the light emitting element, and a gate electrode connected to a first node, a second transistor connected between the first node and a second node and including a gate electrode connected to a first scan line, a third transistor connected between the second electrode of the first transistor and the second node and including a gate electrode connected to a second scan line, and a booting capacitor connected between the second node and the second scan line.

Abstract: A display device includes a plurality of pixels and a control circuit configured to control brightness of the plurality of pixels. Each of the plurality of pixels includes a light-emitting element and a pixel circuit configured to control light emission of the light-emitting element. The pixel circuit includes a driving transistor configured to supply electric current to the light-emitting element, and a storage capacitor configured to store voltage to control the electric current to be supplied by the driving transistor to the light-emitting element. The control circuit is configured to determine a statistic of brightness of pixels specified by one or more video frames with a predetermined method, determine a length of a threshold compensation period for which the storage capacitor applies threshold compensation to the driving transistor based on the statistic, and control the pixel circuit based on the threshold compensation period.

Abstract: A pixel drive circuit, including a data input circuit, a switch circuit, an energy storage circuit and a light-emitting control circuit. The light-emitting control circuit has a control end connected to the data input circuit, an input connected to a first power supply, and an output connected to an anode of a light-emitting device. A cathode of the light-emitting device is connected to a second power supply. The first power supply outputs a low-potential voltage in a reset phase, and outputs a first high-potential voltage in a compensation phase, a writing phase and a light-emitting phase. The second power supply outputs a second high-potential voltage in the reset, compensation and writing phases, and output a low-potential voltage in the light-emitting phase. The switch circuit is switched on in the reset, compensation and light-emitting phases, and is switched off in the writing phase.

Abstract: A shift register (SR) includes a voltage control circuit (110) and a bias compensation circuit (120). The voltage control circuit (110) is configured to control a voltage at a first node (Output) to be a first voltage or a second voltage. The bias compensation circuit (120) is configured to: when the voltage at the first node (Output) is the first voltage, transmit a first signal received by a first signal terminal (VDD-A) to a first signal output terminal (EM1), and transmit a second signal received by a second signal terminal (VDD-B) to a second signal output terminal (EM2); and in response to the voltage at the first node (Output) being the second voltage, transmit a signal received by a first voltage terminal (LVGL1) to the first signal output terminal (EM1) and the second signal output terminal (EM2).

Abstract: A display panel includes a substrate, a plurality of display units, a driving circuit and a gating circuit. Each display unit includes a plurality of pixel islands, and each pixel island includes a plurality of sub-pixels of a same color. The driving sub-circuit is configured to output driving signals. The gating circuit is coupled to the driving circuit, and is further coupled to sub-pixels of pixel islands in at least part of the plurality of display units. The gating circuit is configured to control a connection of the driving circuit to sub-pixels of pixel islands of at least one display unit in the at least part of the plurality of display units, so that the sub-pixels of the pixel islands of the at least one display unit are driven by at least one driving signal from the driving circuit to perform display.

Abstract: A display panel includes: a pixel circuit, and a light-emitting element, that the pixel circuit includes a driving transistor configured to provide a driving current for the light-emitting element; a working process of the pixel circuit includes a data writing stage, in which a gate of the driving transistor receives a data signal, and a bias adjustment stage, in which a source or drain of the driving transistor receives a bias adjustment signal; and the pixel circuit has a frame refresh frequency F1, and a data refresh frequency including a first data refresh frequency F11 and a second data refresh frequency F22, that at least one second data refresh period includes N11 bias adjustment stages, a bias adjustment signal V11 is inputted in a first bias adjustment stage, and a bias adjustment signal Vi is inputted in an i-th bias adjustment stage, where V11?Vi.

Abstract: A backplane for driving a display includes a two-dimensional array of pixel drive circuits, organized as a plurality of rows and a plurality of columns. The backplane has at least one shift register addressing assembly that includes a shift register chain formed of a plurality of controlling shift registers serially connected with, and separated by, equal sized groups of non-controlling shift registers. Each controlling shift register controls a different one of a plurality of word lines that each connect with pixel drive circuits of one row. The backplane also includes a plurality of bit lines that each connect with pixel drive circuits of one column. A shift register data sequence is input to a first one of the plurality of controlling shift registers and propagates through the shift register chain to control the plurality of word lines to load display values from the bit lines into the pixel drive circuits.

Abstract: Provided is a display device including a display panel configured to display an image, a data driving circuit configured to supply a data voltage to the display panel, and a timing controller configured to control the data driving circuit, in which the data driving circuit includes a first converter configured to divide and output a voltage based on a plurality of resistors, a gain circuit configured to selectively receive at least two different voltages from the first converter, and amplify voltages input through input terminals to output the voltages to at least two output terminals or output the voltages without amplification and without change, and a second converter configured to interpolate and output at least two voltages output from the gain circuit.

Abstract: The present disclosure is related to a method and device for detecting a touch between at least part of a first object and at least part of a second object, wherein the at least part of the first object has a different temperature than the at least part of the second object. The method includes providing at least one thermal image of a portion of the second object, determining in at least part of the at least one thermal image a pattern which is indicative of a particular value or range of temperature or a particular value or range of temperature change, and using the determined pattern for detecting a touch between the at least part of the first object and the at least part of the second object.

Abstract: The present disclosure discloses a display apparatus having a lock function and a display driving circuit thereof. The display driving circuit of the present disclosure is configured to transfer a lock signal in a cascade way, receive a lock signal by pull-up and transfer the lock signal in an open drain form.

Abstract: A display device comprises: a display panel including a light emitting element, a driving transistor providing a driving current to the light emitting element using a high potential driving voltage and switching transistors controlling the driving transistor; a gate driving circuit supplying scan signals to the display panel; a data driving circuit generating a data voltage or a bias voltage using a feedback high potential driving voltage transmitted through a high potential driving voltage feedback line; and a timing controller controlling the gate driving circuit and the data driving circuit so that the data voltage is supplied to the display panel in a first period at a low speed mode which the display panel is driven at predetermined driving frequency less than a frequency of a high speed mode and the bias voltage is supplied to the display panel in a second period at a low speed mode.

Abstract: The invention discloses a pixel driving circuit, a driving method thereof, and a display panel. In the present invention, by adding a single-stage compensation circuit of the second data input module to the first data input module, the driving transistor is controlled by the potential generated at the first node when the first data signal and the second data signal are coupled to the first node, and the power signal is transmitted to the second node to make the light emitting element emit light, which can reduce dynamic power consumption and improve the display performance of the display panel.

Abstract: A light emitting display (LED) device can include a display panel configured to display an image; and a data driver including a panel driving circuit configured to drive the display panel and a panel sensing circuit configured to sense a condition of the display panel, in which the panel driving circuit includes a first data voltage output circuit to output a voltage to both of a first data line and a first reference line of the display panel to display black on a first sub-pixel included in the display panel.

Abstract: The present application discloses a backlight module and a display device. The backlight module includes a plurality of light-emitting units, a plurality of drive chips, a plurality of cascaded voltage comparators, and a voltage adjustment module. The light-emitting unit connected to a control terminal of a same drive chip is connected with a same initial drive voltage. The plurality of cascaded voltage comparators output an adjustment voltage in a N-th stage based on a preset voltage and a plurality of to-be-detected voltages. The voltage adjustment module is configured to adjust the initial drive voltage based on the adjustment voltage in the N-th stage.

Abstract: A gate driving unit includes an Nth stage of shift register unit and an (N+1)th stage of shift register unit, N is a positive integer. The Nth stage of shift register unit includes an Nth stage of pull-up node control circuit, and the (N+1)th stage of shift register unit includes an (N+1)th stage of pull-up node control circuit. The Nth stage of pull-up node control circuit is electrically connected to an Nth stage of pull-up node and a control line, controls a potential of the Nth stage of pull-up node under the control of a control signal inputted by the control line. The (N+1)th stage of pull-up node control circuit is electrically connected to an (N+1)th stage of pull-up node and the control line, respectively, and controls a potential of the (N+1)th stage of pull-up node under the control of the control signal inputted by the control line.

Abstract: A pixel includes a first switching transistor, a second switching transistor, a driving transistor, and a light emitting element. The first switching transistor includes a first terminal to which a bias power supply voltage is applied, a second terminal connected to a first node, and a gate terminal to which a light emitting element initialization signal is applied. The second switching transistor includes a first terminal connected to the first node, a second terminal connected to a second node, and a gate terminal to which the light emitting element initialization signal is applied. The driving transistor includes a first terminal connected to the second node, a second terminal connected to a third node, and a gate terminal. The light emitting element is connected to the driving transistor. The first node is connected to the third node, and the bias power supply voltage is applied to the second and third nodes.

Abstract: A display apparatus includes: a pixel part including a plurality of pixels, each of the plurality of pixels to receive a first scan signal and an emission signal; and a scan driver to output the first scan signal and the emission signal to each of the plurality of pixels. In a second driving mode in which the display apparatus is driven with a first driving frequency lower than a maximum driving frequency, the scan driver is to supply the first scan signal to the plurality of pixels according to the first driving frequency, and supply the emission signal to the plurality of pixels according to the maximum driving frequency.

Abstract: A pixel driving circuit is provided. The pixel driving circuit includes a data write sub-circuit connected to a data line and connected to a second capacitor electrode, the data write sub-circuit configured to write a voltage of a data voltage signal and a threshold voltage of a driving transistor into the second capacitor electrode in a data write phase; a light emitting control sub-circuit connected to the driving transistor, the light emitting control sub-circuit configured to control a voltage supply signal of a voltage supply line to be written into the driving transistor to generate a driving signal in a light emitting phase; and a first reset transistor having a gate electrode connected to a reset control signal line, a source electrode connected to a first reset signal line, and a drain electrode connected to the gate electrode of the driving transistor and the second capacitor electrode.