G09G2300/0819

Pixel and display device including the same

A display device includes: a pixel unit having a plurality of pixels; a timing controller supplying respective scan start signals to a plurality of scan drivers and an emission start signal to an emission driver, in response to synchronization signals supplied from the outside; the emission driver supplying an emission signal to emission control lines connected to the pixels based on the emission start signal; the scan drivers supplying scan signals to the scan lines connected to the pixels based on the scan start signal; and a data driver supplying a data signal to data lines connected to the pixels, and at least one of a frequency of the emission start signal and frequencies of the scan start signals may be a first frequency that is determined independently of a driving frequency when the driving frequency is less than or equal to a threshold value.

Organic light emitting diode display device and method of driving the same
11580909 · 2023-02-14 · ·

An organic light emitting diode display device includes: a substrate including a plurality of sub-pixels classified into a plurality of horizontal pixel lines; a gate line and a sensing line spaced apart from each other on the substrate; a data line and a power line crossing the gate line and the sensing line and spaced apart from each other; and first and second reference lines supplying first and second reference voltages, respectively, and connected to adjacent two, respectively, of the plurality of horizontal pixel lines.

Display device comprising an oxide layer

A display device includes pixels connected to scan lines and data lines intersecting the scan lines, wherein each of the pixels includes a light-emitting element, a driving transistor to control a driving current supplied to the light-emitting element according to a data voltage applied from the data lines, and a switching transistor to apply the data voltage of the data line to the driving transistor according to a scan signal applied from the scan lines. The driving transistor includes a first active layer having an oxide semiconductor and a first gate electrode below the first active layer. The switching transistor includes a second active layer having a same oxide semiconductor as the oxide semiconductor of the first active layer and a second gate electrode below the second active layer. At least one of the driving transistor and the switching transistor includes an oxide layer above each of the active layers.

Display device and electronic device

A display device and electronic device are disclosed. In one example, a display device includes a pixel array portion including pixels arrayed in a matrix having a row direction and a column direction. The pixels each respectively including a light emission unit. A fixed potential line surrounds the pixel array portion in a frame portion outside the pixel array portion, and a pixel portion auxiliary cable is arranged to extend across the pixel array portion. The pixel portion auxiliary cable is interlayer connected to the fixed potential line at a location in the frame portion outside the pixel array portion.

PIXEL COMPENSATION DEVICE, PIXEL COMPENSATION METHOD AND DISPLAY APPARATUS

A pixel compensation device includes a controller and at least one external compensation circuit. In the external compensation circuit, a first input circuit is configured to transmit a first voltage to a first terminal of a driving sub-circuit in a initialization phase, perform blanking in a pre-storage phase, and transmit a threshold compensation voltage to the first terminal in the data compensation writing phase; a second input circuit is configured to transmit a second voltage to a control terminal of the driving sub-circuit in the initialization phase and the pre-storage phase, so that a voltage of the first terminal changes from the first voltage to the threshold compensation voltage in the pre-storage phase; a sensing circuit is configured to sense the threshold compensation voltage in the data compensation writing phase; and the controller is configured to transmit a data voltage to the control terminal in the data compensation writing phase.

PIXEL DRIVING CIRCUITS AND DISPLAY DEVICES

Provided is a pixel driving circuit configured to provide a signal to a to-be-driven element. The pixel driving circuit includes: a current control sub-circuit, configured to transmit a current signal; a time length control sub-circuit, configured to transmit a time signal; and an output sub-circuit, electrically connected with the time length control sub-circuit and the current control sub-circuit, respectively; where the time length control sub-circuit is further configured to control the output sub-circuit to be turned on or off based on the time signal; the output sub-circuit is configured to, when turned on, control a current applied to the to-be-driven element based on the current signal, where duration of two adjacent turn-ons of the output sub-circuit is same and duration of two adjacent turn-offs of the output sub-circuit is same.

PIXEL DRIVING CIRCUIT, DRIVING METHOD FOR THE SAME, DISPLAY PANEL, AND DISPLAY APPARATUS

A pixel driving circuit includes: an energy storage sub-circuit, a reset sub-circuit, a compensation sub-circuit, a driving sub-circuit, and a current leakage suppression sub-circuit. The energy storage sub-circuit is coupled to a first node and a second node. The reset sub-circuit is coupled to the second node, a first scan timing signal terminal, and an initialization signal terminal. The compensation sub-circuit is coupled to the second node, a third node, and a second scan timing signal terminal. The driving sub-circuit is coupled to the second node, the third node, and a first voltage signal terminal. The current leakage suppression sub-circuit is coupled to the energy storage sub-circuit, the reset sub-circuit, and the compensation sub-circuit. The current leakage suppression sub-circuit is configured to suppress current leakage of the energy storage sub-circuit in a process of generating and transmitting the driving signal by the driving sub-circuit.

DISPLAY SUBSTRATE AND DISPLAY DEVICE
20230043145 · 2023-02-09 ·

The present disclosure provides a display substrate and a display device, and belongs to the field of display technology. The display substrate of the present disclosure has a display region, and includes a base and a plurality of data lines and a plurality of fan-out traces on the base; each of the plurality of data lines is connected to a corresponding one of the plurality of fan-out traces at a connection node in the display region; and at least one of the plurality of data lines is connected to a corresponding fan-out trace at a plurality of connection nodes.

DISPLAY SUBSTRATE AND DISPLAY DEVICE

A display substrate and a display device are provided. The display substrate includes: a base substrate, including a display region; a plurality of pixel units, located in the display region, each of the plurality of pixel units including a pixel circuit structure and a light-emitting element, the light-emitting element including a first electrode, the first electrode being located at a side of the pixel circuit structure away from the base substrate, the plurality of pixel units including a first pixel unit and a second pixel unit that are adjacent to each other in a first direction; a first initialization signal line, extending in the first direction; a light-emitting control signal line, extending in the first direction; a first power line, extending in a second direction, the second direction intersecting with the first direction; a first data line, extending in the second direction, the first data line being connected with the pixel circuit structure of the first pixel unit; a second data line, extending in the second direction, the second data line being connected with the pixel circuit structure of the second pixel unit, the first data line and the second data line being arranged at two sides of the first power line, respectively; and a light transmission hole, an orthographic projection of the light transmission hole on the base substrate being not overlapped with an orthographic projection of the first electrode on the base substrate; the light transmission hole is located in a region enclosed by the first initialization signal line, the light-emitting control signal line, the first power line, and the second data line.

DISPLAY DEVICE AND OPERATING METHOD THEREFOR
20230043940 · 2023-02-09 ·

A display device and a driving method thereof are provided. The display device includes a display panel that includes a first display area in which a plurality of first pixels are disposed and a second display area in which a plurality of second pixels are disposed; and at least one sensor overlapping the second display area and not overlapping the first display area of the display panel, wherein the plurality of first pixels and the plurality of second pixels are connected to a scan line providing a scan signal and a data line providing a data signal, and wherein the plurality of first pixels are not connected to a sensing control line providing a sensing control signal that senses an anode voltage of a light emitting element.