Abstract:
Provided is a display substrate including a display region and a non-display region. The non-display region is provided with a gate drive circuit, and the gate drive circuit includes a plurality of cascaded shift register units; a shift register unit includes an input sub-circuit and a denoising output sub-circuit. The denoising output sub-circuit is connected with the input sub-circuit, a first group of clock signal lines, and a second group of clock signal lines, and the input sub-circuit is connected with a third group of clock signal lines. The third group of clock signal lines, the input sub-circuit, the first group of clock signal lines, the denoising output sub-circuit, and the second group of clock signal lines are sequentially arranged along a first direction.
Abstract:
A shift register unit, a driving method thereof, a gate driving circuit and a display panel are provided. The shift register unit includes an input circuit, a reset circuit, a first output circuit and a second output circuit; the input circuit is configured to control a level of a first node in response to a first input signal; the reset circuit is configured to reset the first node in response to a reset signal; the first output circuit is configured to output a shift signal under control of the level of the first node; and the second output circuit is configured to, in a first phase, under control of the level of the first node, output a plurality of sub-pulses at the first output terminal as a first output signal in a case where the shift output terminal outputs a first level of the shift signal.
Abstract:
A pixel circuitry, a method for driving the pixel circuitry, and a display device are provided. The pixel circuitry includes a driving circuit, a first switching circuit, a second switching circuit and a light-emitting element. The driving circuit includes a first transistor and a storage capacitor. A control end of the first transistor is electrically connected to the first switching circuit, a first end of the first transistor is electrically connected to a first voltage end, a second end of the first transistor is electrically connected to an anode of the light-emitting element, a third end of the first transistor is electrically connected to the second switching circuit, a first end of the storage capacitor is electrically connected to the first voltage end, and a second end of the storage capacitor is electrically connected to the control end of the first transistor.
Abstract:
Provided are a gate driving circuit, a display substrate, a display device and a gate driving method, the gate driving circuit includes: a frequency doubling control circuit and an effective output circuit including first shift registers, the first shift register at the first stage has a first signal input terminal coupled with an output control signal line and a second signal input terminal coupled with the frequency doubling control circuit; the frequency doubling control circuit is coupled to the output control signal line, for providing a frequency doubling control signal thereto after a preset time period from the receipt of the output control signal in response to an output control signal from the output control signal line; the first shift register at the first stage outputs a scanning signal in response to the output control signal and a scanning signal in response to the frequency doubling control signal.
Abstract:
The present disclosure provides a method and an apparatus for adjusting luminance of a display device. The method of adjusting luminance of the display device includes: determining a gray scale level interval on a target gray scale curve based on a maximum luminance value and a minimum luminance value to be set; determining a target luminance value for each grayscale level of the display device on the target gray scale curve according to the gray scale level interval; and adjusting luminance of the grayscale level of the display device based on the determined target luminance value.
Abstract:
The present application discloses a pixel circuit for one pixel in a M-row active pixel matrix of a display panel. The pixel circuit includes a data-inputting and sensing sub-circuit at least coupled to a driving transistor via a signal line and a light-emitting device associated with the pixel in one row. The data-inputting and sensing sub-circuit is configured to use the signal line as a data, line for loading a data signal to the pixel in a current cycle of displaying one frame of image. The data signal is compensated based on a compensation signal detected for the pixel in one of previous M−1 numbers of cycles. The signal line is also used as a sensing fine once per cycle for detecting a sensing signal in the current cycle to generate the compensation signal for the pixel when the one row is selected from the M-row active pixel matrix.
Abstract:
The present application discloses a display-driving circuit including a pixel sub-circuit, a sensing-control sub-circuit, and an emission-control sub-circuit. The pixel sub-circuit includes four transistors and one storage capacitor and is coupled respectively with a first power-supply line, a data-sensing line, a first scan line, and a second scan line to determine a drive current flowing from a driving transistor to a light-emitting diode based on a data signal received via the data-sensing line. The sensing-control sub-circuit is coupled between the light-emitting diode and the first power-supply line and configured to enable a sensing signal to be detected via the data-sensing line with a reduced scan rate in a sensing time. The emission-control sub-circuit is coupled between the light-emitting diode and a second power-supply line to pass the drive current for driving the light-emitting diode to emit light under control of an emission-control signal in a displaying time after the sensing time.
Abstract:
Provided are a shift register and a driving method thereof, a gate driving circuit, and a display device. The shift register includes: an input circuit, configured to be coupled to an input signal end and a second clock signal end, respectively; a first transistor, where the first electrode of the first transistor is coupled to the output end of the input circuit, and the first transistor is a double-gate type transistor; the first gate of the first transistor is configured to be coupled to a first reference signal end, and the second gate of the first transistor is configured to be coupled to a first threshold control signal end; and an output circuit, configured to be coupled to a first clock signal end and a signal output end, respectively, where the control end of the output circuit is coupled to the second electrode of the first transistor.
Abstract:
The present invention discloses a driving power supply, a display driving circuit and an organic light emitting diode display. The driving power supply comprises a boost module and a voltage adjusting module connected to the boost module; the boost module is used for boosting an initial voltage input from an initial voltage input terminal of the driving power supply to generate a reference voltage and outputting the reference voltage to the voltage adjusting module; the voltage adjusting module is used for adjusting magnitude of the reference voltage according to colors of pixel units to be driven to generate a plurality of driving voltages, respectively, and the driving voltages corresponding to pixel units of different colors are different.
Abstract:
The present disclosure provides a display array substrate, a compensation method, a display panel and a display device. The display array substrate includes at least one power line and a voltage application unit. The at least one power line is connected to pixels in at least one column within an effective display region on the display array substrate. The power application unit is arranged outside the effective display region and configured to apply power supply voltages to at least two power supply voltage input points on the at least one power line. An absolute value of a voltage difference between the at least two power supply voltage input points is less than a predetermined voltage threshold.