Abstract: A light-emitting substrate includes a driving circuit layer, a first light-emitting layer located on a side of the driving circuit layer, a second light-emitting layer located on a side of the first light-emitting layer away from the driving circuit layer, and a third light-emitting layer located on a side of the second light-emitting layer away from the driving circuit layer. The pixel circuit layer includes pixel circuits. The first light-emitting layer includes first light-emitting devices respectively coupled to the pixel circuits. The second light-emitting layer includes second light-emitting devices respectively coupled to the pixel circuits. The third light-emitting layer includes third light-emitting devices respectively coupled to the pixel circuits. Orthographic projections of a first light-emitting device, a second light-emitting device and a third light-emitting device on the driving circuit layer do not necessarily coincide with each other.

Abstract: Embodiments of the present disclosure provide a circuit board, a display apparatus, and a manufacturing method for a circuit board. The manufacturing method for the circuit board includes: providing a precursor substrate; forming seed patterns and an auxiliary seed pattern on a side of the precursor substrate, where the seed patterns are located in the patterned areas, the auxiliary seed pattern is located in the non-patterned area, and the seed pattern and the auxiliary seed pattern are separated from each other; and forming a pad at a position of the seed pattern and an auxiliary pattern at a position of the auxiliary seed pattern by an electroplating process.

Abstract: A chip on film includes: a flexible substrate; and a multilayer wiring structure disposed on the flexible substrate. The multilayer wiring structure includes a first wiring layer, a first insulation layer and a second wiring layer, which are sequentially arranged in a direction towards the flexible substrate the flexible substrate. The first wiring layer includes a first conductive material and the second wiring layer includes a second conductive material. The chip on film further includes: pins, at least part of which are in the first wiring layer; first via holes in the first insulation layer; and a second wire and a second wire leading portion in the second wiring layer, which are electrically connected to each other. More than one pin is electrically connected to the second wire leading portion through more than one first via hole, respectively.

Abstract: A display substrate is provided, which includes a base substrate and a plurality of sub-pixels disposed on the base substrate. At least one sub-pixel includes a light transmittance region and a display region. The display region includes a circuit structure layer and a light-emitting element which are disposed on a base substrate, and the light-emitting element is connected with the circuit structure layer. The display substrate further includes a plurality of insulating layers disposed on the base substrate, and at least one insulating layer is hollowed out in the light transmittance region.

Abstract: A display device and a manufacturing method therefor are provided by the present application. The display devices can greatly increase the bonding precision of the chip packaging unit and the display panel, thereby the quantity of the output channels of chip packaging unit are greatly increased, thus the requirements of the high-resolution display products are satisfied. A chip packaging component is formed, wherein the chip packaging component includes at least one chip packaging unit; and the chip packaging unit includes at least a flexible base, a rigid base disposed at one side of the flexible base, and a lead layer disposed at one side of the flexible base away from the rigid base, lead layer includes at least a plurality of first leads, and orthographic projections of the plurality of first leads on the flexible base are located within an orthographic projection of rigid base on the flexible base.

Abstract: A display substrate is provided, the display substrate has a plurality of sub-pixels arranged in an array, and includes a driving circuit substrate, a plurality of first electrodes, a pixel definition layer and a light-emitting material layer. The pixel definition layer is at least on a side of the plurality of first electrodes away from the driving circuit substrate, and includes a plurality of sub-pixel openings respectively exposing the plurality of first electrodes and at least one partition structure on the pixel definition layer. The light-emitting material layer is on a side of the pixel definition layer away from the driving circuit substrate and at least in the plurality of sub-pixel openings, the pixel definition layer includes a first pixel definition sub-layer and a second pixel definition sub-layer, and a width of the second pixel definition sub-layer is greater than a width of the first pixel defining sub-layer.

Abstract: A driving base plate includes a functional region (A) and a peripheral region (B) surrounding the functional region (A). Both the functional region (A) and the peripheral region (B) include a supporting substrate, and the functional region (A) further includes a flexible substrate and at least one protecting layer that are sequentially arranged on the supporting substrate. The region of the orthographic projection of the flexible substrate on the supporting substrate is located within the region where the supporting substrate within the functional region (A) is located, and the protecting layer covers the surface of the flexible substrate further from the supporting substrate and the side of the flexible substrate close to the peripheral region (B). The adhesive force between the flexible substrate and the supporting substrate of the driving base plate is increased, and the reliability of the products manufactured by using the driving base plate is improved.

Abstract: A display panel and a display device are provided. The display panel includes a plurality of display units, each display unit includes a transparent area, and the display panel further includes a base substrate and a composite functional layer. The composite functional layer is provided on a side of the base substrate and has a first through-hole formed therein, and the first through-hole is provided in the transparent area. The composite functional layer includes a composite transparent layer and a light-shielding layer. The composite transparent layer includes a plurality of transparent functional layers, and includes a light-transmitting part surrounding the first through-hole. An orthographic projection of the light-shielding layer on the base substrate covers an orthographic projection of at least a portion of the light-transmitting part on the base substrate.

Abstract: A metal oxide thin film transistor is provided, which includes a metal oxide semiconductor layer, including a first semiconductor layer and a second semiconductor layer, the carrier mobility of the first semiconductor layer is higher than that of the second semiconductor layer; the metal oxide semiconductor layer includes a lower surface, an upper surface and a lateral surface, the source electrode is in contact with the lateral surface and the upper surface; the region where the lateral surface contacts the source electrode or the drain electrode includes a first contact region and a second contact region; which have the shape: a first angle between the lower surface of the metal oxide semiconductor layer and the lateral surface of the first contact region is larger than a second angle between the lower surface of the metal oxide semiconductor layer and the lateral surface of the second contact region.

Abstract: A driving substrate, a light-emitting apparatus and a manufacturing method thereof, a splicing display apparatus, the driving substrate includes: a device disposing area, a bending area and a bonding area, the bending area is located between the device disposing area and the bonding area; the driving substrates located in the device disposing area, the bending area, and the bonding area include a buffer layer, a first conductive layer and a flexible dielectric layer that are stacked in sequence; the driving substrates located in the device disposing area and the bonding area further include a base plate disposed at a side of the buffer layer away from the first conductive layer, and a second conductive layer disposed at a side of the flexible dielectric layer away from the first conductive layer; and the driving substrate located in the bending area is configured to be able to bend along a bending axis.

Abstract: Voltage providing unit, voltage providing method, display driving module and display device are provided. The voltage providing unit, applied to a display panel, is configured to provide a control voltage signal for a driving circuit, and the voltage providing unit includes a buck circuit and a first electrical level converting circuit. The buck circuit is configured to receive a first voltage signal and perform a buck operation on the first voltage signal to obtain a second voltage signal; and the first electrical level converting circuit is connected to the buck circuit, and is configured to receive an input control voltage, a third voltage signal and the second voltage signal, and to generate the control voltage signal in accordance with the input control voltage, the third voltage signal and the second voltage signal, a voltage value of the control voltage signal is less than a predetermined voltage value.

Abstract: A display substrate, a manufacturing method thereof and a display apparatus are provided. In the present disclosure, a first transistor group with oxide semiconductor as an active layer material is disposed on a side of a second transistor group with polysilicon as an active layer material away from the base, and an area enclosed by orthographic projections of the transistors in the first transistor group on the base is overlapped with an area enclosed by orthographic projections of the transistors in the second transistor group on the base. Stable performance of the transistors included can be ensured in a manufacturing process of the first transistor group and the second transistor group located in different layers, and at the same time, an area occupied by the driving circuit can be reduced so as to decrease a frame width of a display apparatus or improve resolution of the display apparatus.

Abstract: A display substrate is provided, the display substrate has a plurality of sub-pixels, and includes a driving circuit substrate, a plurality of first electrodes, a pixel definition layer and a light-emitting material layer. The driving circuit substrate includes a plurality of pixel driving circuits and a protective insulating layer, the protective insulating layer includes a plurality of first vias, and the plurality of first electrodes are respectively electrically connected to the output terminals of the plurality of pixel driving circuits through the first vias. The pixel definition layer includes a plurality of sub-pixel openings and at least one partition structure. The light-emitting material layer at least in the plurality of sub-pixel openings, the pixel definition layer includes a first pixel definition sub-layer and a second pixel definition sub-layer, and a width of the second pixel definition sub-layer is greater than a width of the first pixel defining sub-layer.

Abstract: Provided is a thin film transistor and a method for manufacturing thereof, a display panel, and a display device, which relates to the field of display technologies. The thin film transistor includes an active layer, source and drain electrodes, and an oxygen supplementation layer. As an orthogonal projection of the oxygen supplementation layer on the base substrate is at least partially overlapped with an orthogonal projection of a target portion of the active layer on the base substrate, oxygen introduced in forming the oxygen supplementation layer in the thin film transistor is capable of diffusing to the target portion of the active layer, such that a defect in the target portion of the active layer is reduced, and a property of the thin film transistor is greater.

Abstract: The present application discloses an array substrate and a splicing screen. The array substrate provided by an embodiment of the present application includes: a flexible base, wherein the flexible base includes a display region, a first region and a second region, the display region and at least one of the first region and the second region are located in different planes, and the first region is located between the display region and the second region; a plurality of signal lines, arranged on the display region and the first region; a plurality of fan-out lines, arranged on the second region and connected with the plurality of signal lines in a one-to-one correspondence; and a buffer cushion, arranged on the first region, wherein an orthographic projection of the buffer cushion on the flexible base does not overlap with orthographic projections of the signal lines on the flexible base.

Abstract: A driving substrate, a light-emitting apparatus and a manufacturing method thereof, a splicing display apparatus, the driving substrate includes: a device disposing area, a bending area and a bonding area, the bending area is located between the device disposing area and the bonding area; the driving substrates located in the device disposing area, the bending area, and the bonding area include a buffer layer, a first conductive layer and a flexible dielectric layer that are stacked in sequence; the driving substrates located in the device disposing area and the bonding area further include a base plate disposed at a side of the buffer layer away from the first conductive layer, and a second conductive layer disposed at a side of the flexible dielectric layer away from the first conductive layer; and the driving substrate located in the bending area is configured to be able to bend along a bending axis.

Abstract: The present disclosure provides a microfluidic substrate, a microfluidic chip and a micro total analysis system. The microfluidic substrate includes a substrate and an ultrasonic structure on the substrate. The ultrasonic structure is configured to generate ultrasonic waves during a droplet splitting process to vibrate a droplet.

Abstract: At least one embodiment of the present disclosure provides an oxide thin film transistor, a display device, and a preparation method of the oxide thin film transistor, and the oxide thin film transistor includes a base substrate; an oxide semiconductor layer provided on the base substrate, and an insulating layer provided on a side of the oxide semiconductor layer away from the base substrate; in which the insulating layer is made of oxide; the insulating layer includes a first insulating layer and a second insulating layer which are stacked; a density of the second insulating layer is greater than a density of the first insulating layer; and the second insulating layer is farther away from the base substrate than the first insulating layer.

Abstract: The present disclosure provides a display substrate including: a base substrate, and a thin film transistor, an oxygen supplementing functional layer and an oxygen containing layer formed on the base substrate. The thin film transistor includes: an active layer in direct contact with the oxygen containing layer, and the active layer includes an oxide semiconductor material. The oxygen supplementing functional layer includes a metal oxide material and serves as a first electrode of the display substrate. The oxygen containing layer is between the oxygen supplementing functional layer and the base substrate.

Abstract: The present disclosure relates to a display substrate, a display device and a manufacturing method of the display substrate. The display substrate includes: a stretchable base including a plurality of opening patterns distributed along a surface of the stretchable base, wherein each of the plurality of opening patterns includes a plurality of opening areas, a plurality of bridge areas configured to enclose a first island area are formed between adjacent opening areas among the plurality of opening areas, and each of the plurality of opening patterns is configured to enclose a plurality of second island areas with at least two adjacent opening patterns; a plurality of display units respectively arranged on the first island area and the plurality of second island areas; and a plurality of signal lines respectively connected between the plurality of display units and respectively arranged in the plurality of bridge areas.