Provided are a pixel circuit, a method for driving the pixel circuit, and a display panel. The pixel circuit includes a drive transistor including a gate terminal, a source terminal, a drain terminal, and a body terminal, where the source terminal is connected to a first power line, the body terminal is connected to a second power line, and the gate terminal of the drive transistor is connected to a gate potential control circuit; the first power line is configured to provide a first voltage or a second voltage, where the first voltage is higher than the second voltage; and the second power line is configured to provide the fixed first voltage.

According to an aspect of the present disclosure, a display device includes a display panel in which a plurality of sub-pixels is disposed. Also, the display device includes a data driver configured to supply a plurality of data voltages to the plurality of sub-pixels through a plurality of data lines. Further, the display device includes a gate driver configured to supply a plurality of gate signals to the plurality of sub-pixels through a plurality of gate lines. Each of the plurality of sub-pixels includes a light emitting diode, a driving transistor, and a variable resistance circuit disposed in series between a low-potential voltage terminal and a high-potential voltage terminal. When each of the plurality of sub-pixels implements a low grayscale, the variable resistance circuit increases a resistance between the high-potential voltage terminal and the driving transistor. Thus, a low grayscale can be normally implemented.

A display device includes a display panel including a plurality of pixels respectively connected to a plurality of data lines and a plurality of scan lines, a data driving circuit for driving the plurality of data lines, a scan driving circuit for driving the plurality of scan lines, and a driving controller for receiving a control signal and an image signal and controlling the data driving circuit and the scan driving circuit such that an image is displayed on the display panel. The driving controller identifies a first region and a second region of an image to be displayed on the display panel based on the image signal and provides the data driving circuit with an image data signal obtained by compensating for the image signal to be provided to pixels adjacent to the second region among pixels corresponding to the first region as a compensation value.

A display device includes a display panel including a pixel connected to scan lines and a data line, a scan driving circuit, a data driving circuit, and a driving controller that controls the scan driving circuit and the data driving circuit. The pixel includes a light-emitting diode and an initialization transistor connected between a first initialization voltage line and a first electrode of the light-emitting diode and including a gate electrode connected to a first scan line among the scan lines. A first scan signal provided to the first scan line during a blank period has an active level during a predetermined initialization time duration, and the predetermined initialization time duration is set to a time duration corresponding to a luminance characteristic of the display panel.

The present application discloses a driving circuit, a driving method, and a display panel. The driving circuit includes: a plurality of pixels, each pixel including a first sub-pixel and a second sub-pixel; and a switching circuit, configured to communicate one or both of the first sub-pixel and the second sub-pixel with a scan line and a data line.

A display device includes a display unit including a plurality of pixels coupled to a plurality of data lines, a plurality of scan lines, and a plurality of emission control lines, a controller for determining a width of a gate-off section of an emission control signal, which corresponds to a non-emission section of each of a plurality of frames belonging to a dimming period, in response to a dimming signal, and an emission driver for supplying the emission control signal in units of a plurality of consecutive pixel rows through the plurality of emission control lines.

A display device, includes: a scan driver configured to sequentially supply scan signals having a turn-on level to the first scan line and the second scan line during a first period and to concurrently supply scan signals having a turn-on level to the first scan line and the second scan line during a second period after the first period, wherein: a mask period corresponds to a difference between a start point of the second period and a start point of the first period in a next frame period, a first frame period and a second frame period have different mask periods, a third frame period between the first frame period and the second frame period has a same mask period as the first frame period, and a fourth frame period between the first frame period and the second frame period has a same mask period as the second frame period.

An overcurrent protection circuit includes: a sampling sub-circuit configured to acquire gate input signals, select a gate input signal with a voltage value greater than a first preset voltage value as a sample gate input signal, generate a first control signal according to the sample gate input signal, and output the first control signal; a delay determination sub-circuit configured to receive the first control signal, delay the first control signal for a first preset time, determine whether a voltage value of the first control signal after delay is less than a voltage value of the first control signal before the delay, and if not, output a counting signal; and a counting control sub-circuit configured to receive the counting signal, perform counting according to the counting signal, and if a counted number reaches a preset number, output a second control signal.

A display apparatus and driving method therefor. The apparatus comprises light emitting element, pixel circuit, scan signal line, data signal line, initial signal line, light emission control line, first power source line, and first reset line to third reset line. The pixel circuit comprises: first reset sub-circuit configured to provide a signal of the initial signal line to a first node; node control sub-circuit configured to provide a signal of the data signal line to a second node, compensate for the first node until a voltage thereof satisfies a threshold condition, provide a signal of the second node to the third node; light emission control sub-circuit configured to provide a signal of the first power source line to the second node and a signal of the third node to light emitting element; second reset sub-circuit configured to provide a signal of the initial signal line to light emitting element.

A power circuit according to the present disclosure may include a multiplexer connected to a first power line and a second power line and selecting and outputting one of a first voltage supplied through the first power line and a second voltage supplied through the second power line. Further, the power circuit may include a first power circuit which generates a first driving voltage and a second driving voltage by using a voltage supplied from the multiplexer, recognizes whether there is the first voltage supplied through the first power line, and does not output the first driving voltage when the first voltage is not recognized.