G09G2310/061

Display panel and display device

A display panel includes a pixel circuit and a light-emitting element. The pixel circuit includes a driving module. The driving module includes a driving transistor, and is configured to provide a driving current for the light-emitting element. The pixel circuit includes a control terminal configured to receive a first light-emitting control signal, the first light-emitting control signal is an effective pulse, and the driving module corresponding to the control terminal is turned on during the effective pulse. A time period of one frame of the display panel includes a non-light-emitting stage and a light-emitting stage, an operating state of the pixel circuit includes a first mode and a second mode, a time length of the non-light-emitting stage in the first mode is L1, and a time length of the non-light-emitting stage in the second mode is L2, where L1>L2.

DISPLAY APPARATUS

Provided is a display apparatus including a modular display panel that includes a plurality of displays disposed in a matrix form and respectively including a display panel including a pixel array in which pixels including a plurality of inorganic light emitting elements are disposed in a plurality of row lines, sub-pixel circuits respectively corresponding to inorganic light emitting elements of the pixel array, a driver configured to drive the sub-pixel circuits, a sensor configured to sense a current flowing in a driving transistor included in the sub-pixel circuits and output sensing data corresponding to the sensed current, and a processor configured to correct the image data voltage applied to the sub-pixel circuits based on the sensing data, and a timing controller configured to provide a first start signal to a driver of a first display and a second start signal to a driver of a second display.

DISPLAY PANEL AND DISPLAY DEVICE

A display panel includes a pixel circuit and a light-emitting element. The pixel circuit includes a data write device, a drive device and a bias adjustment device. The data write device is configured to provide a data signal to the drive device. The bias adjustment device is configured to provide a bias adjustment signal to the drive device. The display panel further includes a drive circuit, the drive circuit is configured to receive a first drive signal and a second drive signal. In a case where the drive device includes a drive transistor being a PMOS transistor, the bias adjustment signal is same as the first drive signal, or, in a case where the drive device includes a drive transistor being an NMOS transistor, and the bias adjustment signal is same as the second drive signal.

DISPLAY DEVICE

A display device includes a display panel including a pixel array including a plurality of pixels and a plurality of sub-pixel circuits, each pixel of the plurality of pixels including a plurality of inorganic light emitting elements and a sub-pixel circuit of the plurality of sub-pixel circuits being provided for an inorganic light emitting element of the plurality of inorganic light emitting elements, a driver configured to set the image data voltage to sub-pixel circuits included in each of the plurality of row lines in an order of the row lines, a sensing unit configured to sense a current flowing in a driving transistor included in the sub-pixel circuit based on a specific voltage applied to the sub-pixel circuit, and output sensing data corresponding to the sensed current, and a correction unit configured to correct the image data voltage applied to the sub-pixel circuit based on the sensing data.

Display device
11699392 · 2023-07-11 · ·

A display device includes a display element emitting a light by a current flowing, a drive transistor configured to control the current flowing through the display element, and a plurality of diode connection transistors connected in series to a source side of the drive transistor, and a source of any on the drive transistor or the plurality of diode connection transistors is connected to a back gate of the drive transistor.

Display device and method of driving the same

A display device according to some embodiments includes pixels divided into pixel rows arranged in a horizontal direction, and including a light emitting element, and a first transistor for applying a drive current to the light emitting element, and a sensing driver configured to receive a sensing value extracted from one or more of the pixels, wherein at least one pixel row of the pixel rows is configured to be driven in one frame including an emission period in which the light emitting element emits light after a data voltage is applied to the pixels, and an active sensing period for sensing a characteristic of the first transistor.

Display device, method for driving a display device, and display driving circuit

Provided is a method for driving a display device including n rows of sub-pixels; the method includes: driving the first frame of image, including: performing normal display driving on the n rows of sub-pixels in a display driving period, performing darkness insertion driving on a rows, from the 1.sup.st to a.sup.th rows, of sub-pixels in a first darkness insertion sub-period, and performing darkness insertion driving on (n−a) rows, from the (a+1).sup.th to n.sup.th rows, of sub-pixels in a second darkness insertion sub-period driving a second frame of image, including: performing normal display driving on the n rows of sub-pixels in a display driving period, performing darkness insertion driving on b rows, from the 1.sup.st to b.sup.th rows, of sub-pixels in a first darkness insertion sub-period, and performing darkness insertion driving on (n−b) rows, from the (b+1).sup.th to n.sup.th rows, of sub-pixels in a second darkness insertion sub-period.

Display device and data driving circuit
11699402 · 2023-07-11 · ·

Embodiments of the disclosure relate to a display device and a data driving circuit. The display device comprises a display panel including a plurality of subpixels and a plurality of data lines electrically connected with the plurality of subpixels and a data driving circuit outputting a data voltage to the plurality of data lines, wherein the data driving circuit outputs the data voltage for image display to the plurality of data lines during an active period and outputs a step voltage to stepwise decrease a level of the data voltage to a preset target voltage level or stepwise increase the level of the data voltage from the target voltage level during a blank period different from the active period. Specifically, there may be provided a display device and a data driving circuit capable of enhancing display quality in a dark mura area and a bright mura area by outputting a step voltage to stepwise decrease the level of a data voltage to a preset target voltage level or stepwise increase the level of the data voltage from the target voltage level during a blank period.

DISPLAY DEVICE, GATE DRIVE CIRCUIT, SHIFT REGISTER AND CONTROL METHOD THEREOF
20230215333 · 2023-07-06 ·

A display device, a gate drive circuit, a shift register and a control method are disclosed. The shift register includes a first shift register unit and a second shift register unit, the first shift register unit is configured to write a first control signal to the first node, and write a first clock signal to the first signal output terminal under control of a voltage of the first node; the second shift register unit is configured to write a second clock signal to the second signal output terminal under control of the voltage of the first node; during time of a frame, the first clock signal and a first input signal provided by a first signal input terminal are pulse signals, and the second clock signal is a DC signal.

PIXEL CIRCUIT AND DRIVING METHOD THEREOF, DISPLAY PANEL
20230215348 · 2023-07-06 ·

A pixel circuit, a method of driving a pixel circuit and a display panel. The pixel circuit (10) includes: a drive circuit (100), a data writing circuit (200), a compensation circuit (300), and a light emitting element (500). The drive circuit (100) includes a control terminal (130), a first terminal (110) and a second terminal (120), and is configured to control a drive current flowing through the first terminal (110) and the second terminal (120) for driving the light emitting element (500) to emit light. The data writing circuit (200) is configured to write a data signal to a first terminal (110) of the drive circuit (100) in response to a first scanning signal. The compensation circuit (300) is configured to store a data signal written by the data writing circuit (200) and compensate the drive circuit (100) in response to a second scanning signal. A first terminal (510) of the light emitting element (500) is configured to receive a drive current, and a second terminal (520) of the light emitting element (500) is connected to a second voltage terminal (VSS). The pixel circuit may realize a low-frequency driving.