G09G2310/0286

Shift register and driving method thereof, gate drive circuit, and display device
11581051 · 2023-02-14 · ·

A shift register and a driving method thereof, a gate drive circuit, and a display device are provided. The shift register includes: an input circuit, configured to input an input voltage provided by the input voltage terminal to an intermediate circuit under control of a first clock signal provided by the first clock signal terminal; the intermediate circuit, configured to write a second clock signal output by the second clock signal terminal or a first power signal output by the first power terminal to the intermediate output terminal as an intermediate output signal under control of the input voltage and the control circuit; and an output circuit, configured to output an output signal, a phase of which is opposite to a phase of the intermediate output signal.

SHIFT REGISTER UNIT AND DRIVING METHOD THEREFOR, GATE DRIVING CIRCUIT AND DISPLAY DEVICE

A shift register unit includes a first input/output unit which includes a first pull-down control circuit and a first auxiliary input circuit, and a second input/output unit which includes a second pull-down control circuit and a second auxiliary input circuit. The first pull-down control circuit controls a level of a first pull-down node. The first auxiliary input circuit is coupled to the first pull-down control circuit and controls the first pull-down control circuit together with a level of a first pull-up node in response to a display control signal and a blanking control signal. The second pull-down control circuit controls a level of a second pull-down node. The second auxiliary input circuit is coupled to the second pull-to down control circuit and controls the second pull-down control circuit together with a level of a second pull-up node in response to the display control signal and the blanking control signal.

SHIFT REGISTER, GATE DRIVING CIRCUIT AND DISPLAY PANEL
20230043196 · 2023-02-09 ·

The present disclosure provides a shift register, a gate driving circuit and a display panel, and belongs to the field of display technology. The shift register of the present disclosure includes: an input circuit configured to precharge and reset a pull-up node; one pull-down control circuit being electrically connected to one pull-down circuit through a pull-down node; the pull-down control circuit being configured to control a potential at the pull-down node under a first power voltage; each pull-down circuit being configured to pull down the potential at the pull-down node in response to a potential at the pull-up node; an output circuit configured to output a clock signal through a signal output terminal in response to the potential at the pull-up node; one first noise reduction circuit connected to one pull-down node.

DISPLAY DEVICE INCLUDING TOUCH PANEL AND TOUCH POSITION IDENTIFYING METHOD
20230040117 · 2023-02-09 ·

For a node in which a difference between a base sensor value which is a sensor value obtained at certain time intervals and a first reference value which is a sensor value obtained when an organic EL element does not emit light in normal temperature state is greater than a threshold value, a correction value calculation circuit stores the product of a base computing value and a third reference value as a correction value in a correction value storage unit, the third reference value representing a ratio of the first reference value to a second reference value which is a sensor value obtained when the organic EL element emits light in normal temperature state, and the base computing value being obtained by providing the product of the third reference value and the base sensor value as an input value to a base computing value calculation circuit.

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.

DISPLAY BACKPLANE AND MANUFACTURING METHOD THEREOF AND DISPLAY DEVICE

A display backplane is provided, including a base, wherein pixel circuits, bonding electrodes, and bonding connection wires are on the base; the bonding electrodes are coupled to the bonding connection wires in a one-to-one correspondence; the bonding electrodes and the bonding connection wires are on two opposite surfaces of the base; the pixel circuits and the bonding connection wires are on a same side of the base; one end of each bonding connection wire is coupled to the bonding electrode through the first via in the base; the other end of each of at least some bonding connection wires is coupled to the pixel circuit; and an orthographic projection of at least one of the bonding electrodes and the bonding connection wires on the base is not coincident with an orthographic projection of the pixel circuit on the base.

Array Substrate and Manufacturing Method Thereof, and Display Device
20230041639 · 2023-02-09 ·

Provided are an array substrate and a manufacturing method thereof, and a display device. The array substrate comprises a plurality of data lines and sub-pixels. At least one sub-pixel comprises: a first insulating layer; a gate; an active layer located on one side of the first insulating layer away from the gate; a pixel electrode; a first electrode located connected to the active layer and in contact with the pixel electrode; a second electrode connected to the active layer and a data line; a second insulating layer having a first opening, wherein the orthographic projection of the first opening partially overlaps with the orthographic projections of the pixel electrode and the first electrode; a connection electrode in contact with the pixel electrode and the first electrode through the first opening; and a common electrode located on one side of the second insulating layer away from the pixel electrode.

PIXEL DRIVING CIRCUIT AND PIXEL DRIVING METHOD THEREFOR, DISPLAY PANEL, AND DISPLAY APPARATUS
20230042603 · 2023-02-09 ·

A pixel driving circuit includes a reset sub-circuit, a compensation sub-circuit, a light-emitting control sub-circuit and a driving sub-circuit. The reset sub-circuit is configured to transmit an initialization signal received from an initialization signal terminal to the light-emitting control sub-circuit. The fight-emitting control sub-circuit is configured to transmit the initialization signal to the first node. The compensation sub-circuit is configured to transmit the initialization signal from the first node to a second node so as to reset a voltage of the second node. The driving sub-circuit is configured to open a conductive path from a first voltage signal terminal to the initialization signal terminal during a process of resetting the voltage of the second node.

SHIFT REGISTER AND DRIVING METHOD THEREOF, DRIVING CIRCUIT, DISPLAY SUBSTRATE AND DEVICE
20230037917 · 2023-02-09 ·

The present invention provides a shift register unit, a driving method, a driving circuit and a driving device. The shift register unit includes a first input circuit, a second input circuit, a control circuit and an output circuit; the first input circuit provides an input signal to a first node and provides a second voltage signal to a third node under control of a second clock signal; the second input circuit outputs a first voltage signal to the third node and controls a potential at a fourth node under control of a potential at the first node and an input control signal; the control circuit provides a first voltage signal to the first node under control of a potential at a fourth node. The present invention provides waveforms for operation of specific pixels.

Display panel

A display substrate including a scan driving circuit, a scan line, and an insulating pattern. The scan driving circuit includes a connection electrode disposed on a plurality of insulating layers, a plurality of signal lines, and a stage circuit connected to the signal lines and overlaps a non-display area. The scan line overlaps a display area and is connected to the scan driving circuit. The insulating pattern is disposed on the insulating layers, covers the connection electrode, and makes contact with a sealant.