Chongqing BOE Display Technology Co., Ltd.

Disclosed are a display substrate and a manufacturing method therefor, and a display apparatus. The display substrate includes a plurality of circuit units forming a plurality of unit rows and a plurality of unit columns, at least one circuit unit includes a pixel drive circuit and a plurality of scan signal lines connected to the pixel drive circuit, the pixel drive circuit at least includes a plurality of transistors; in the direction perpendicular to the display substrate, the display substrate at least includes a first gate metal layer (GATE 1 ) arranged on the substrate ( 101 ) and a first source drain metal layer (SD 1 ) arranged on a side of the first gate metal layer (GATE 1 ) away from the substrate ( 101 ), a gate electrode of at least one transistor is arranged in the first gate metal layer (GATE 1 ).

In an array substrate, a control electrode of a driving transistor, a second electrode of a compensation transistor and a second electrode of a first reset transistor are electrically connected to a first conductive connection portion, and a first electrode of the driving transistor and a second electrode of a data writing transistor are electrically connected to a second conductive connection portion. An orthographic projection of a first conductive portion of the first conductive connection portion overlaps with an orthographic projection of a first scan signal line, and overlaps with an orthographic projection of a second scan signal line. A first shielding layer includes a first shielding pattern; in a thickness direction of the substrate, the first shielding pattern is located between the first scan signal line and the first conductive portion, and/or the first shielding pattern is located between the second scan signal line and the first conductive portion.

Disclosed are a shift register unit, a drive control circuit, a display apparatus and a drive method. The shift register unit includes an input circuit configured to provide a signal from the signal input terminal to the first node in response to a signal from the first clock signal terminal; a first stabilizer circuit, configured to provide a signal from a stability control signal terminal to the first node in response to a signal from a switch control signal terminal; a conducting control circuit configured to establish a conducting path between the first node and the second node in response to a signal from a first reference signal terminal; and an output circuit configured to provide a signal from the second clock signal terminal to the signal output terminal in response to a signal at the second node.

Provided are a pixel circuit, display apparatus, and driving method. The pixel circuit includes: a light emitting device; a drive transistor, according to a data voltage signal, generating a drive current to drive the light emitting device to emit light; a first compensation circuit, in response to a signal of a first control signal terminal, providing a first reference signal of a first reference signal terminal to a first electrode of the drive transistor; a second compensation circuit, in response to a signal of a second control signal terminal and a signal of a third control signal terminal, providing a threshold voltage of the drive transistor and the first reference signal input into the first electrode of the drive transistor to a gate of the drive transistor; a data writing circuit; a coupling control circuit; and a light emitting control circuit.

A pixel circuit, a pixel driving method, a display substrate, and a display device are provided. The pixel circuit includes a driving circuit, a first reset circuit, a first node control circuit, a first light-emitting control circuit and a light-emitting element. The first reset circuit writes a first initial voltage to a first electrode of the light-emitting element under control of a potential of the first node. The first node control circuit controls the potential of the first node according to a data voltage and a threshold voltage of the driving transistor included in the driving circuit. The first light-emitting control circuit controls connection between a second end of the driving circuit and the first electrode of the light-emitting element under control of a light-emitting control signal. The driving circuit is configured to generate a driving current.

The present disclosure provides a display panel and a display device. The display panel includes a display substrate and a touch substrate. The touch substrate includes a plurality of first to fourth touch units. The first touch unit includes a plurality of first touch electrodes connected sequentially along a first direction; the second touch unit includes a plurality of second touch electrodes connected sequentially along the first direction, and an input signal of the second touch unit is inverse in polarity to that of the first touch unit; the third touch unit includes a plurality of third touch electrodes connected sequentially along a second direction, and forms a first touch capacitor with the first touch electrode; and the fourth touch unit includes a plurality of fourth touch electrodes connected sequentially along the second direction, and forms a second touch capacitor with the second touch electrode.

Provided are a pixel circuit and a drive method therefor, a display panel and a display device. The pixel circuit includes: a light emitting device; a drive transistor configured to generate, according to a data voltage, a drive current for driving the light emitting device to emit light; a data writing circuit coupled to the drive transistor, where the data writing circuit is configured to input the data voltage in response to a signal applied to the data writing circuit; and a voltage control circuit coupled to the drive transistor, where the voltage control circuit is configured to reset a control electrode, a first electrode and a second electrode of the drive transistor in response to a signal applied to the voltage control circuit before the data voltage is input.

A display substrate includes a plurality of sub-pixels arranged in a plurality of rows and a plurality of columns, each sub-pixel includes a light-emitting device, and the light-emitting device includes a first electrode, a first light-emitting unit, a charge generation stack layer, a second light-emitting unit, and a second electrode that are stacked in sequence. Light-emitting devices in two adjacent sub-pixels in a first direction emit light of different colors; and a proportion of undesired peaks in an emission peak in a luminescence spectrum corresponding to light emitted by a light-emitting device in at least part of the sub-pixels is less than or equal to 5%.

A display panel includes a base substrate, an active pattern layer and a first conductive layer. The active pattern layer is disposed on the base substrate, and includes at least one first conductive connection line. The first conductive layer is disposed on a side of the active pattern layer away from the base substrate. The first conductive layer includes at least one connection line extending along a first direction, and a plurality of initialization signal lines arranged along the first direction and extending along a second direction. An end of each initialization signal line is coupled to a connection line in the at least one connection line. The first direction and the second direction intersect. A first conductive connection line in the at least one first conductive connection line is coupled to at least two initialization signal lines that are coupled to a same connection line.

A display substrate is provided, including: a plurality of pixel units on a base substrate, where at least one pixel unit includes a plurality of light-emitting elements stacked along a third direction, which include a first light-emitting layer, a second light-emitting layer, and a charge generation layer between the first light-emitting layer and the second light-emitting layer; and at least one test component in the test component region, where the at least one test component includes a plurality of test elements arranged in the test component region in an array along first and second directions. The test elements include a first test element and a second test element. The first test element and the first light-emitting layer include a same material, the second test element and the second light-emitting layer include a same material, and the first test element and the second test element are arranged in two rows.