Abstract: A driving control circuit, a driving control method, and a display device are disclosed. The driving control circuit includes an input terminal, a power-down time acquisition circuit, an output terminal, and a switch circuit. The input terminal is configured to receive an input voltage; the power-down time acquisition circuit is configured to detect a power-down time period required for the input voltage to decrease to a lowest voltage, the power-down time period is used to generate a switch control signal; the output terminal is configured to output a voltage; and the switch circuit is configured to receive the input voltage and determine, according to the switch control signal, whether to be turned on to transmit the input voltage to the output terminal for output.

Abstract: A driver control circuit and a display device are disclosed, where the driver control circuit includes: a first transistor with a first terminal connected with a supply voltage of a main loop, and a second terminal connected with a first ground terminal; and a first control component connected with a control terminal of the first transistor, and configured to control the first transistor to be in a state of incomplete conduction in amplification region, when the supply voltage of the main loop is powered on.

Abstract: Provided are a shift register and a driving method thereof, a gate driving circuit, and a display apparatus. The shift register is disposed on a display panel. An operating process of the display panel includes a start-up phase and a display phase. The shift register includes a shift register unit, a start-up discharge circuit, a first control end, a second control end, a signal output end and a first power supply end; the shift register unit is configured to output a gate driving signal to the signal output end in the display phase; the start-up discharge circuit is configured to provide a signal of the first power supply end to the signal output end under control of the first control end and the second control end in the start-up phase.

Abstract: A display drive method of a display device, a display drive device, a display device, and a storage medium are provided. The display device includes a display panel and a backlight module configured to provide backlight to the display panel, the display drive method includes: determining a first pixel unit area corresponding to a light-emitting area of the backlight module and a second pixel unit area corresponding to a non-light-emitting area of the backlight module in the display panel; for the first pixel unit area and the second pixel unit area, respectively generating a first clock signal and a second clock signal.

Abstract: The present disclosure provides a driving method of a display device and a display device. The driving method of the display device includes: inputting a gate signal with a length of a first duration to each of gate lines; and inputting a data signal to each of data lines to drive the display device for displaying. Among M data lines crossing the gate line in a direction of the gate line from a signal input terminal to an terminal away from the signal input terminal, a start time at which an mth data line input with the data signal is delayed by a second duration, relative to the start time at which a first data line closest to the signal input terminal of the gate line is input with the data signal, and the second duration is less than the first duration.

Abstract: Embodiments of the present disclosure provide a timing controller, a display device, and a display driving method. The timing controller includes a first digital gamma correction circuit, a second digital gamma correction circuit, and a microcontroller. The microcontroller is configured to count output frames in response to receiving a video signal; determine, based on the counting, whether a current output frame needs to be data voltage polarity inverted; responsive to determining that the current frame needs to be data voltage polarity inverted, using a first digital gamma correction table read from the first digital gamma correction circuit to calculate corrected data voltages; responsive to determining that the current frame does not need to be polarity inverted, using a second digital gamma correction table read from the second digital gamma correction circuit to calculate corrected data voltages; and output the corrected data voltages to a display.

Abstract: A voltage control circuit comprises a sampling sub-circuit and a control sub-circuit. The sampling sub-circuit is configured to detect a potential difference between an output voltage and an input voltage to obtain a first voltage and output the first voltage to the control sub-circuit. The control sub-circuit is configured to compare a magnitude of the first voltage with a first voltage threshold, if the first voltage is less than the first voltage threshold, output the input voltage as the output voltage, and, if the first voltage is greater than or equal to the first voltage threshold, superimpose and output the input voltage and a bootstrap voltage as the output voltage.

Abstract: A voltage control circuit, a shift register unit, and a display device are provided. The voltage control circuit is applied to a shift register unit, the shift register unit includes a gate-driving-signal output end, and the voltage control circuit includes a discharge control end, a discharge circuit and a discharge voltage end. The discharge circuit is configured to, under control of a signal inputted by the discharge control end, control to electrically disconnect the gate-driving-signal output end from the discharge voltage end during a display period of a display screen, and control to electrically connect the gate-driving-signal output end to the discharge voltage end during a shutdown period of the display screen.

Abstract: A shift register unit, a method for driving the same, a gate driving circuit, and a display device are provided. The shift register unit includes a driving circuit, a storage capacitor circuit, an output circuit, and a reset circuit. Under the control of the start end, the driving circuit controls whether the pull-up node is connected to the set signal input end and control whether the pull-down node is connected to the first level input end. Under the control of the reset end, the reset circuit controls whether the pull-up node is connected to the first level input end, and controls whether the pull-down node is connected to the second level input end.

Abstract: A compensation device, a display device and a method for compensating common electrode voltage are provided in the embodiments of the present disclosure. A compensation device for a display panel according to an embodiment includes a compensation circuit, a comparison circuit, and an adjustment circuit. The compensation circuit generates a common electrode compensation signal to be provided to the display panel based on a common electrode input signal for providing a common electrode voltage to the display panel and a common electrode feedback signal from the display panel. The comparison circuit compares the common electrode compensation signal with the common electrode feedback signal. The adjustment circuit adjusts the common electrode compensation signal according to the comparison result of the comparison circuit.

Abstract: A shift register includes: a first signal output terminal; a first switching, configured to transmit a signal of a first DC power signal terminal to a first node in response to the signal of the first DC power signal terminal; a second switching, configured to transmit a signal of a second DC power signal terminal to the first node in response to a signal of the first signal output terminal; a third switching, configured to transmit the signal of the second DC power signal terminal to a second signal output terminal in response to a signal of the first node; and a fourth switching, configured to transmit the signal of the first DC power signal terminal to the second signal output terminal in response to the signal of the first DC power signal terminal.

Abstract: The present disclosure provides a test probe and an apparatus for testing a printed circuit board, wherein the test probe comprises a test pin; and an insulating protection sleeve with adhesive attached therein, wherein the insulating protection sleeve is sleeved on the test pin, and wherein a first end of the test pin protrudes from the insulating protection sleeve.

Abstract: A driver control circuit and a display device are disclosed, where the driver control circuit includes: a first transistor with a first terminal connected with a supply voltage of a main loop, and a second terminal connected with a first ground terminal; and a first control component connected with a control terminal of the first transistor, and configured to control the first transistor to be in a state of incomplete conduction in amplification region, when the supply voltage of the main loop is powered on.

Abstract: A voltage supply unit includes a control circuit, a capacitor circuit and a unidirectionally-conductive circuit. The control circuit controls an output end of the control circuit to be electrically connected to a first input end or a second input end of the control circuit under the control of a voltage signal from a first voltage output end. The capacitor circuit controls a potential at a first input end. When a difference between a first level and a potential at the first input end is greater than or equal to a predetermined on-state voltage, the unidirectionally-conductive circuit allows a unidirectional current flowing from a first level end to a first end thereof, and when the difference between the first level and the potential at the first input end is smaller than the predetermined on-state voltage, controls the first level end to be electrically disconnected from the first input end.

Abstract: The present disclosure provides a display device, a manufacturing method thereof, a driving method thereof and a counter substrate. The display device includes a liquid crystal cell, at least one flicker detector and a signal processing apparatus. The at least one flicker detector is disposed in a non-display region within the liquid crystal cell and configured to detect light intensity in the liquid crystal cell; and the signal processing apparatus is configured to adjust a magnitude of a common voltage for driving the liquid crystal cell according to a signal strength outputted from the flicker detector, to reduce a flicker value of the display device.

Abstract: A voltage supply unit includes a control circuit, a capacitor circuit and a unidirectionally-conductive circuit. The control circuit controls an output end of the control circuit to be electrically connected to a first input end or a second input end of the control circuit under the control of a voltage signal from a first voltage output end. The capacitor circuit controls a potential at a first input end. When a difference between a first level and a potential at the first input end is greater than or equal to a predetermined on-state voltage, the unidirectionally-conductive circuit allows a unidirectional current flowing from a first level end to a first end thereof, and when the difference between the first level and the potential at the first input end is smaller than the predetermined on-state voltage, controls the first level end to be electrically disconnected from the first input end.

Abstract: A voltage control circuit, a shift register unit, and a display device are provided. The voltage control circuit is applied to a shift register unit, the shift register unit includes a gate-driving-signal output end, and the voltage control circuit includes a discharge control end, a discharge circuit and a discharge voltage end. The discharge circuit is configured to, under control of a signal inputted by the discharge control end, control to electrically disconnect the gate-driving-signal output end from the discharge voltage end during a display period of a display screen, and control to electrically connect the gate-driving-signal output end to the discharge voltage end during a shutdown period of the display screen.

Abstract: A compensation device, a display device and a method for compensating common electrode voltage are provided in the embodiments of the present disclosure. A compensation device for a display panel according to an embodiment includes a compensation circuit, a comparison circuit, and an adjustment circuit. The compensation circuit generates a common electrode compensation signal to be provided to the display panel based on a common electrode input signal for providing a common electrode voltage to the display panel and a common electrode feedback signal from the display panel. The comparison circuit compares the common electrode compensation signal with the common electrode feedback signal. The adjustment circuit adjusts the common electrode compensation signal according to the comparison result of the comparison circuit.

Abstract: Disclosed are display panel test device and method. The device comprises: a color analyser including a host and a measuring probe, wherein the measuring probe can obtain optical information of a positional point of a light emitting surface of display panel, the positional point being a point to which the measuring probe is aligned on the light emitting surface, and the host can determine optical characteristics of the positional point according to the optical information; and a position determination component, configured to determine a positional identifier of the positional point on the light emitting surface, the positional identifier being capable of indicating a relative position of the positional point on the light emitting surface. Since the position determination component determines the position of the to-be-tested point, it is not necessary to visually place the measuring probe over the to-be-tested point, thereby improving the determination accuracy of the to-be-tested point.

Abstract: Disclosed are a detecting device, and a method for controlling the same, and the detecting device includes: a controller, and a detector and at least one image acquirer which are electrically connected respectively with the controller, wherein the detector includes a receiver; the image acquirer is arranged on a side of the detector away from the receiver and has an adjustable shooting angle; and the controller is configured to control the image acquirer to acquire images of at least two adjacent sides of a detected rectangular plane, and to determine the position of the detector on the detected rectangular plane according to the shooting angle of the image acquirer and the acquired images of the sides.