Abstract: 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 includes: a base substrate; and a plurality of pixel units arranged in an array, a plurality of signal lines and signal supply modules on the base substrate; wherein the signal supply module includes: a signal supply circuit and a redundant signal supply circuit; each of the signal supply modules is electrically coupled to at least one of the plurality of pixel units through at least one of the plurality of signal lines.

Abstract: A pixel circuit and a driving method thereof, a display panel, and a display device are provided. The pixel circuit includes a light-emitting driving circuit, a storage circuit, and a data writing circuit, a first terminal of the storage circuit is respectively electrically connected to the data writing circuit and the light-emitting driving circuit, a second terminal of the storage circuit is configured to receive a control signal, and the storage circuit is configured to receive and store the first data voltage, to generate a first control voltage, that changes with time, according to the control signal and the first data voltage, and to cause the first control voltage to be applied to the light-emitting driving circuit to control a turn-on time of the light-emitting driving circuit; and the light-emitting driving circuit is configured to drive the light-emitting element to emit light under control of the first control voltage.

Abstract: A pixel driving circuit includes: a driving control sub-circuit configured to write at least a first data signal into a first driving sub-circuit in response to a first scanning signal and cause a driving transistor to output a driving signal to an element to be driven according to the first data signal and a first power supply voltage signal in response to an enable signal, and a time control sub-circuit configured to write at least a second data signal into a second driving sub-circuit in response to a second scanning signal and cause the second driving sub-circuit to be connected to a second power supply voltage signal terminal and the element in response to the enable signal. The second driving sub-circuit is configured to output a second power supply voltage signal to the element in response to the second data signal and a common voltage signal.

Abstract: Disclosed are a pixel circuit and a driving method thereof, an array substrate and a display apparatus. The pixel circuit includes a pixel sub-circuit. The pixel sub-circuit includes a first adjusting circuit and a second adjusting circuit. The first adjusting circuit is configured to receive a first data signal and a light emitting control signal to control a magnitude of a driving current used for driving a light emitting element to emit light; the second adjusting circuit is configured to receive a second data signal and a time control signal to control a time duration in which the driving current is applied to the light emitting element; and the time control signal changes within a time period during which the light emitting control signal allows the driving current to be generated.

Abstract: A chip transfer method including: disposing a target substrate in a closed cavity, the target substrate including a first alignment bonding structure and a second alignment bonding structure; applying a charge of a first polarity to the first alignment bonding structure of the target substrate; applying a charge of a second polarity to a first chip bonding structure of a chip; injecting an insulating fluid into the closed cavity to suspend the chip in the insulating fluid within the closed cavity; and applying a bonding force to the chip.

Abstract: The present application relates to the field of display technology, and in particular, to a display panel, method for manufacturing a display panel and display device. The display panel includes: a base substrate; a pixel layer, provided on the base substrate and comprising a plurality of pixel islands; and a microlens layer, provided on a surface of the pixel layer facing away from the base substrate. Each of pixel islands includes a plurality of sub-pixels that emit light of a same color and are seamlessly coupled to each other, and the light emitted by the plurality of sub-pixels in each of the pixel islands is refracted by the microlens layer to be dispersed to different pixel areas.

Abstract: A pixel circuit includes an input circuit and a time control circuit. The input circuit includes a driving transistor, and the input circuit is configured to write a data signal into a gate of the driving transistor in response to a first gate signal, so that the driving transistor outputs a driving signal for driving an element to be driven to emit light according to a gate voltage and a source voltage thereof. The time control circuit is coupled to the input circuit and the element to be driven, and is configured to control the input circuit to transmit the driving signal to the element to be driven for a first duration, and control the input circuit to transmit the driving signal to the element to be driven for a second duration. The second duration is shorter than the first duration, and includes a plurality of phases spaced apart.

Abstract: The present disclosure discloses a display panel and a display device. The display panel includes: a base substrate, including a plurality of substrate via holes located in a display area of the display panel; and a plurality of driving signal lines and a plurality of bonding terminals, respectively located on different sides of the base substrate. At least one of the plurality of driving signal lines is electrically connected to at least one of the plurality of bonding terminals through the substrate via hole(s).

Abstract: A display backplane includes a base, a plurality of driving electrodes disposed above the base, and a connection structure disposed on at least one of the plurality of driving electrodes. An orthographic projection of the connection structure on the base is within an orthographic projection of a corresponding driving electrode on the base; and the connection structure includes at least one conductive portion disposed at a first included angle with the corresponding driving electrode.

Abstract: A display substrate, including: a base substrate including at least a side edge and a display area; a plurality of pixel units disposed in the display area, a second pixel unit is located on a side of a first pixel unit close to the side edge, edges of the second pixel unit include the side edge, a third pixel unit is located between the first pixel unit and the second pixel unit, and the third pixel unit is adjacent to the second pixel unit; and a plurality of light emitting diode chips disposed on the base substrate a first light emitting diode chip is located in the first pixel unit, a part of a second light emitting diode chip is located in the second pixel unit, and the other part of the second light emitting diode chip is located in the third pixel unit.

Abstract: The present disclosure provides a display apparatus, a pixel circuit and a method of driving a pixel circuit. In one or more embodiments, the pixel circuit includes a driving transistor, a data signal module and a bias signal module. A first electrode of the driving transistor is connected with a first power signal terminal, a second electrode of the driving transistor is connected with a first terminal of a light emitting element, and the driving transistor includes a first control electrode and a second control electrode. The data signal module is connected with the driving transistor, a data writing signal terminal and a data signal terminal. The bias signal module is connected with the driving transistor, a bias writing signal terminal and a bias signal terminal, and is configured to adjust a threshold voltage of the driving transistor under control of the bias writing signal terminal and the bias signal terminal.

Abstract: 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.

Abstract: 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.

Abstract: A pixel circuit, a display panel, a display device, and a driving method. The pixel circuit includes a light emitting element, a driving transistor, a light emitting control circuit, a reset circuit, a threshold compensation circuit, a first data write circuit, and an initializing circuit. The reset circuit includes a first transistor, the first data write circuit includes a third transistor, and a channel length-width ratio of the first transistor is greater than a channel length-width ratio of the third transistor.

Abstract: Provided are a photoelectric detection circuit and a driving method thereof, a display apparatus and a manufacturing method thereof. The photoelectric detection circuit includes: a first reset sub-circuit, a second reset sub-circuit, a first storage sub-circuit, a data read sub-circuit and a photosensitive device. A first terminal of the data read sub-circuit, a first terminal of the first storage sub-circuit, a first electrode of the photosensitive device and a first terminal of the first reset sub-circuit are connected to a first node. A second electrode of the photosensitive device is connected to a common voltage line. The data read sub-circuit is configured to transmit a voltage of the first node to a data read line in response to a signal of a scan line. The first reset sub-circuit is configured to reset the voltage of the first node.

Abstract: The present disclosure provides a shift register unit and a driving method thereof, a gate driving circuit and a driving method thereof, and a display device. The shift register unit includes: a first shift register, a second shift register and a switch control circuit, signal input terminals of the first and second shift registers are coupled to a cascade signal input terminal through the switch control circuit, the switch control circuit is configured to allow a current between the signal input terminal of the first shift register and the cascade signal input terminal or not, and allow a current between the signal input terminal of the second shift register and the cascade signal input terminal or not; the first shift register and the second shift register are configured such that at least one of them operates upon receiving a cascade signal provided by the cascade signal input terminal.

Abstract: A light-emitting driving circuit includes a driving sub-circuit, a control sub-circuit, a data writing sub-circuit and a compensation sub-circuit. The control sub-circuit is configured to initialize voltages of a first node and a control terminal of the driving sub-circuit in response to a second scan signal. The data writing sub-circuit is configured to write a data signal into a first terminal of the driving sub-circuit in response to a first scan signal. The driving sub-circuit is configured to output, from a second terminal of the driving sub-circuit, the data signal and a compensation signal. The compensation sub-circuit is configured to transmit the data signal and the compensation signal to the first node in response to the first scan signal, and adjust the voltage of the control terminal according to the data signal, the compensation signal, the initialized voltages of the first node and the control terminal.

Abstract: A light-emitting substrate and a display device are provided. Each light-emitting unit includes a first voltage terminal. The first voltage line includes a first portion, a first connecting portion, and a second portion. The first portion is electrically connected with first voltage terminals of a first row to a Y-th row of light-emitting units in a corresponding column. An extension direction of a second portion of the first voltage line has an included angle with both the first direction and the second direction. The first connecting portion is at boundary of the Y-th row and a (Y+1)-th row of light-emitting units. The first transmission line is electrically connected with first voltage terminals of the (Y+1)-th row to an N-th row of light-emitting units in a corresponding column, and is electrically connected with the first connecting portion of the first voltage line corresponding to light-emitting units of a corresponding column.

Abstract: A chip structure, a manufacturing method thereof, and a display device are provided. The chip structure comprises a substrate, a micro light-emitting diode and a drive transistor arranged on the substrate, wherein a first pole of the drive transistor is coupled to a first electrode of the micro light-emitting diode.

Abstract: A pixel driving circuit includes a current controlling module, an outputting module and a time length controlling module including a comparator, a first energy storage element, an offset voltage writing sub-circuit, and first and second output sub-circuits. First terminal of first energy storage element is connected with first input terminal of comparator and second terminal with the first output sub-circuit. The second output sub-circuit is connected with second input terminal of comparator. The offset voltage writing sub-circuit writes an offset voltage of comparator to the first energy storage element. One of the first and second output sub-circuits outputs time signal and the other outputs reference voltage signal. The comparator outputs comparison signal according to the time signal and the reference voltage signal. The current controlling module outputs current signal.