Abstract: A method and an apparatus of compensating a display device, and the display device are provided. The display device includes pixel units in multiple rows and multiple columns, each of the pixel units includes sub-pixels having different colors, and each of the sub-pixels includes a pixel driving circuit and a light-emitting element connected to the pixel driving circuit, the pixel driving circuit includes a sensing line for sensing an electrical signal from the light-emitting element. The method includes: sensing electrical signals from light-emitting elements of sub-pixels having at least two different colors by using sensing lines corresponding to the sub-pixels having the at least two different colors within a display period of each image frame, wherein the subpixels having the at least two different colors are within different pixel units of the pixel units.

Abstract: The present disclosure provides a method and a device for driving a display panel. The method of the present disclosure includes: determining a plurality of candidate time differences according to a highest brightness threshold of the sub-pixels of each color; for each candidate time difference, displaying, by the display panel, a same test picture using the candidate time difference, and detecting picture display quality of the display panel when the test picture is displayed by the display panel using the candidate time difference; and determining a candidate time difference corresponding to an optimal picture display quality as the time difference.

Abstract: The present disclosure provides a method and a device for driving a display panel. The method of the present disclosure includes: determining a plurality of candidate time differences according to a highest brightness threshold of the sub-pixels of each color; for each candidate time difference, displaying, by the display panel, a same test picture using the candidate time difference, and detecting picture display quality of the display panel when the test picture is displayed by the display panel using the candidate time difference; and determining a candidate time difference corresponding to an optimal picture display quality as the time difference.

Abstract: A pixel circuit, a driving method and a display device. The pixel circuit includes a light emitting unit; a drive transistor configured to drive the light emitting unit to emit light to display an image frame; and a control circuit configured to control the drive transistor according to signals on control lines. The method of controlling includes: resetting, in a reset stage of an image frame, a voltage of the first electrode of the drive transistor by applying a reset voltage, and sensing, in a sense stage, a threshold voltage of the drive transistor by applying a reference voltage. The control circuit is further configured to control, in an offset elimination stage at the beginning of the image frame and prior to the reset stage, the drive transistor to be switched off, which was in an ON state at the end of a previous image frame.

Abstract: A method and a device for compensating a display device and a display apparatus are provided, each pixel unit includes a pixel driving circuit and a light-emitting element, the pixel driving circuit includes a driving transistor and sensing line, the method includes: acquiring a first mobility and a first threshold voltage of the driving transistor, the first mobility and the first threshold voltage are acquired when the display device is not displaying; acquiring a second mobility of the driving transistor according to the electrical signal on the sensing line, the second mobility is acquired when the display device is displaying; determining a second threshold voltage of the driving transistor according to the first threshold voltage, a difference between the second mobility and the first mobility, and a compensation factor; and calculating an external compensation value of a display data signal according to the second threshold voltage and the second mobility.

Abstract: A pixel unit includes a first sub-pixel circuit and a second sub-pixel circuit. The first sub-pixel circuit includes a first sub-pixel driving circuit and a first light-emitting element, and the second sub-pixel circuit includes a second sub-pixel driving circuit and a second light-emitting element. The first sub-pixel driving circuit and the second sub-pixel driving circuit are connected to a first data line, and the first sub-pixel driving circuit is connected to a first gate line, the second sub-pixel driving circuit is connected to the second gate line. The first sub-pixel driving circuit is configured to drive the first light-emitting element by a data voltage on the first data line under the control of the first gate line. The second sub-pixel driving circuit is configured to drive the second light-emitting element by the data voltage on the first data line under the control of the second gate line.

Abstract: A method and an apparatus of compensating a display device, and the display device are provided. The display device includes pixel units in multiple rows and multiple columns, each of the pixel units includes sub-pixels having different colors, and each of the sub-pixels includes a pixel driving circuit and a light-emitting element connected to the pixel driving circuit, the pixel driving circuit includes a sensing line for sensing an electrical signal from the light-emitting element. The method includes: sensing electrical signals from light-emitting elements of sub-pixels having at least two different colors by using sensing lines corresponding to the sub-pixels having the at least two different colors within a display period of each image frame, wherein the subpixels having the at least two different colors are within different pixel units of the pixel units.

Abstract: The present disclosure proposes a display control method and device, and a display panel. The display control method includes: acquiring a temperature compensation value of a row of pixel units in a display panel on which temperature compensation is currently performed; acquiring, according to the temperature compensation value, a brightness ratio corresponding to the temperature compensation value; and compensating for brightness of a row of pixel units in the display panel on which temperature compensation is not performed according to the brightness ratio.

Abstract: A pixel circuit, a driving method and a display device. The pixel circuit includes a light emitting unit; a drive transistor configured to drive the light emitting unit to emit light to display an image frame; and a control circuit configured to control the drive transistor according to signals on control lines. The method of controlling includes: resetting, in a reset stage of an image frame, a voltage of the first electrode of the drive transistor by applying a reset voltage, and sensing, in a sense stage, a threshold voltage of the drive transistor by applying a reference voltage. The control circuit is further configured to control, in an offset elimination stage at the beginning of the image frame and prior to the reset stage, the drive transistor to be switched off, which was in an ON state at the end of a previous image frame.

Abstract: Embodiments of the present disclosure disclose a current control method and an apparatus thereof. The current control method includes: generating a correspondence between grayscale brightness and a current of a display panel; detecting, in a blank interval of a display period, an actual current value and an actual grayscale brightness of the display panel; determining a target current value by looking up a correspondence between the grayscale brightness and the current according to a target grayscale brightness of the display panel; and adjusting, based on a comparison of the actual current value and the target current value, the actual grayscale brightness so that the actual current value is less than or equal to the target current value.

Abstract: A pixel compensation method, pixel compensation apparatus and display device are provided. In the blanking section of (2n?1)th display frame, the detection line corresponding to the first sub-pixel column of the same color sub-pixels in the nth row is charged with an additional detection voltage, such that the detected voltage on this detection line is the sum of the detection voltage and a coupling voltage. The detection line corresponding to the second sub-pixel column of the same color sub-pixels is not charged with the additional detection voltage, such that the detected voltage on this detection line is the coupling voltage. The detection voltage corresponding to the first sub-pixel column is obtained according to the voltage on the detection line corresponding to each of the same color sub-pixels. Similarly, in the blanking section of (2n)th display frame, the detection voltage corresponding to the second sub-pixel column may be obtained.

Abstract: Embodiments of the present disclosure disclose a current control method and an apparatus thereof. The current control method includes: generating a correspondence between grayscale brightness and a current of a display panel; detecting, in a blank interval of a display period, an actual current value and an actual grayscale brightness of the display panel; determining a target current value by looking up a correspondence between the grayscale brightness and the current according to a target grayscale brightness of the display panel; and adjusting, based on a comparison of the actual current value and the target current value, the actual grayscale brightness so that the actual current value is less than or equal to the target current value.

Abstract: A pixel compensation method, pixel compensation apparatus and display device are provided. In the blanking section of (2n?1)th display frame, the detection line corresponding to the first sub-pixel column of the same color sub-pixels in the nth row is charged with an additional detection voltage, such that the detected voltage on this detection line is the sum of the detection voltage and a coupling voltage. The detection line corresponding to the second sub-pixel column of the same color sub-pixels is not charged with the additional detection voltage, such that the detected voltage on this detection line is the coupling voltage. The detection voltage corresponding to the first sub-pixel column is obtained according to the voltage on the detection line corresponding to each of the same color sub-pixels. Similarly, in the blanking section of (2n)th display frame, the detection voltage corresponding to the second sub-pixel column may be obtained.

Abstract: A gate integrated driving circuit for a display panel. The gate integrated driving circuit may comprise N reset circuits. For each of the N reset circuits, a first terminal thereof may be coupled to a reference signal terminal, a second terminal thereof may be coupled to signal output terminals of a set of input and output circuits respectively, a third terminal thereof may be coupled to control terminals of driving circuits of the set of input and output circuits respectively, and a fourth terminal thereof may be coupled to a clock signal terminal coupled to input terminals of the driving circuits of the set of input and output circuits respectively. N may be an integer of at least 3. The set of input and output circuits may contain two or more input and output circuits.

Abstract: A gate integrated driving circuit for a display panel. The gate integrated driving circuit may comprise N reset circuits. For each of the N reset circuits, a first terminal thereof may be coupled to a reference signal terminal a second terminal thereof may be coupled to signal output terminals of a set of input and output circuits respectively, a third terminal thereof may be coupled to control terminals of driving circuits of the set of input and output circuits respectively, and a fourth terminal thereof may be coupled to a clock signal terminal coupled to input terminals of the driving circuits of the set of input and output circuits respectively. N may be an integer of at least 3. The set of input and output circuits may contain two or more input and output circuits.