Abstract: The present disclosure provides a displaying backplane and a displaying device, and relates to the technical field of displaying. The displaying backplane includes: a substrate base plate; a first active layer and a second active layer that are provided on the substrate base plate, wherein the material of the first active layer and the second active layer is an oxide semiconductor, the first active layer has a first channel region and first no-channel regions, and the second active layer has a second channel region and second no-channel regions; a first grid insulating layer covering the first active layer and the second active layer; and a first grid and a second grid that are provided on the first grid insulating layer; wherein the oxygen-vacancy concentration of the first channel region is greater than the oxygen-vacancy concentrations of the first no-channel regions, the second no-channel regions and the second channel region.

Abstract: The present disclosure provides a display substrate and a method for manufacturing the same, and a display apparatus, belonging to the field of displaying technologies. The display substrate includes a base substrate, and a circuit layer, and has an island area, a hole area and a bridge area. The circuit layer includes a driving circuit located in the island area, a via hole located in the hole area, and at least one photoelectric sensor that is electrically connected to the driving circuit. The photoelectric sensor includes a first electrode layer, a photoelectric structure layer and a second electrode layer which are laminated. The photoelectric sensor is located in the island area or the bridge area.

Abstract: Provided are a display substrate, a display device, and a method for manufacturing the display substrate. The display substrate includes: a first inorganic encapsulation layer covering pixels of an island region and covering a signal line of a bridge region, a first organic encapsulation layer covering the first inorganic encapsulation layer, and multiple insulating layers located in the bridge region and between the first inorganic encapsulation layer and a substrate.

Abstract: A pixel driving circuit is provided. The pixel driving circuit includes a light emission control circuit and a drive circuit. The light emission control circuit controls a potential of a control terminal of the drive circuit under the control of a coupled signal terminal, and the drive circuit drives a coupled light-emitting element to emit light based on the potential of the control terminal thereof. The drive circuit includes two drive transistors connected in parallel, and subthreshold swings of the two drive transistors are different.

Abstract: Provided is a drive backplane. The drive backplane includes: a base substrate and a circuit structure. The circuit structure includes a plurality of first thin film transistors and a plurality of second thin film transistors; wherein a first active layer of the first thin film transistor includes a first oxide layer and a second oxide layer, wherein the second oxide layer is disposed on a side of the first oxide layer away from the base substrate, a mobility of the second oxide layer is lower than a mobility of the first oxide layer, and a source and a drain of the first thin film transistor are connected to the second oxide layer; and a second active layer of the second thin film transistor includes a third oxide layer, wherein a mobility of the third oxide layer is lower than the mobility of the first oxide layer.

Abstract: Provided are a display panel, a preparation method thereof, and a display apparatus, which includes a display region, the display region includes at least one functional unit disposed on a substrate, one of the functional units includes a pixel unit and at least one non-display unit, wherein the pixel unit includes at least one sub-pixel, and the orthographic projection of the pixel unit on the substrate does not overlap the orthographic projection of the at least one non-display unit on the substrate.

Abstract: A flexible substrate has at least one bendable region. The flexible substrate includes a flexible base, a first electrode layer disposed on the base, a first insulating layer disposed on a side of the first electrode layer away from the base, and a second electrode layer disposed on a side of the first insulating layer away from the base. The first electrode layer includes at least one first detection electrode, and the second electrode layer includes at least one second detection electrode. An orthogonal projection of a first detection electrode on the base overlaps at least partially with an orthogonal projection of a second detection electrode on the base. A region where orthogonal projections of the first detection electrode and the second detection electrode on the base are located overlaps with a bendable region.

Abstract: A display panel, a display apparatus, and a manufacturing method are disclosed. The display panel includes a base substrate having a first through hole; a conductive structure located on the base substrate and at least partially covering the first through hole; and a display structure including a first display structure, a control line, and a second display structure that are arranged in layers on a side of the base substrate where the conductive structure is located, wherein the first display structure has a second through hole, and the control line is electrically connected to the conductive structure by passing through the second through hole.

Abstract: The present disclosure provides a displaying backplane and a displaying device, and relates to the technical field of displaying. The displaying backplane includes: a substrate base plate; a first active layer and a second active layer that are provided on the substrate base plate, wherein the material of the first active layer and the second active layer is an oxide semiconductor, the first active layer has a first channel region and first no-channel regions, and the second active layer has a second channel region and second no-channel regions; a first grid insulating layer covering the first active layer and the second active layer; and a first grid and a second grid that are provided on the first grid insulating layer; wherein the oxygen-vacancy concentration of the first channel region is greater than the oxygen-vacancy concentrations of the first no-channel regions, the second no-channel regions and the second channel region.

Abstract: An array substrate and manufacturing method and performance improvement method therefor, a display panel, and a display device. The array substrate includes: a substrate base; a shielding layer provided on one surface of the substrate base; a thin film transistor provided on the substrate base and covering the shielding layer; and a compensation layer provided on the side of the thin film transistor away from the substrate base.

Abstract: The present disclosure provides a method for fabricating a displaying backplane, a displaying backplane and a displaying device, and relates to the technical field of displaying. The method includes forming a first active layer and a second active layer on a substrate base plate; forming a first grid insulating layer covering the first active layer and the second active layer; forming a first grid on the first grid insulating layer; performing ion implantation to the first no-channel regions, the second no-channel regions and the second channel region, to reduce oxygen-vacancy concentrations of the first no-channel regions, the second no-channel regions and the second channel region; and forming a second grid on the first grid insulating layer.

Abstract: A display panel and a display device are provided. The display panel has a display area. The display panel includes: a base substrate; a driving circuit and at least one signal line on the base substrate; and at least one insulating layer between the driving circuit and the at least one signal line. The driving circuit is disposed in a periphery of the display area; and an orthogonal projection of at least one of the signal lines on the base substrate has an overlapping area with an orthogonal projection of the driving circuit on the base substrate.

Abstract: A method for manufacturing a display backplane, a display backplate, and a display device are disclosed. The method includes: forming a planarization layer on one side of a substrate inside a pixel region, a partition region, and a perforation region; forming at least one girdle of annular passivation layer disposed around the perforation region on a surface, away from the substrate, of the planarization layer inside a portion of the partition layer; removing a portion of the planarization layer, inside the partition region, uncovered by the annular passivation layer and the planarization layer, inside the partition region, partially covered by the annular passivation layer, to obtain at least one girdle of annular isolation columns disposed between the substrate and the annular passivation layer and around the perforation region; and forming organic light-emitting elements on one side of the planarization layer away from the substrate to obtain the display backplane.

Abstract: A display panel and a display device are provided. The display panel has a display area. The display panel includes: a base substrate; a driving circuit and at least one signal line on the base substrate; and at least one insulating layer between the driving circuit and the at least one signal line. The driving circuit is disposed in a periphery of the display area; and an orthogonal projection of at least one of the signal lines on the base substrate has an overlapping area with an orthogonal projection of the driving circuit on the base substrate.

Abstract: An array substrate and a manufacturing method thereof are provided. The array substrate includes a display pixel area for providing pixel units arranged in an array. The array substrate further includes: a base substrate, a first insulating layer, a second insulating layer, and a first conductive pattern layer. The first insulating layer is provided on the base substrate, grooves are provided in the first insulating layer, and the grooves are provided in the display pixel area. The second insulating layer is provided on the first insulating layer, and the second insulating layer is also filled into the grooves. The first conductive pattern layer is provided on the second insulating layer. By providing the grooves, the array substrate may have better impact resistance and bending resistance.

Abstract: An optical fingerprint sensor is provided. The optical fingerprint sensor includes a backplate structure layer, a pixel defining layer, and an organic photoelectric sensing layer, wherein the pixel defining layer is disposed on a side of the backplate structure layer; and a non-pixel region of the pixel defining layer is provided with a first non-pixel hole, and the organic photoelectric sensing layer is disposed in the first non-pixel hole.

Abstract: A display substrate and a manufacturing method therefor, and a display device. The display substrate comprises a plurality of island areas that are spaced apart from each other, a plurality of hole areas, and bridge areas for connecting adjacent island areas. The island areas or/and the bridge areas comprise an edge area adjacent to the hole area; the edge area comprises a composite structure layer provided on a base substrate; a stepped structure is formed at a side surface of the composite structure layer facing the hole areas; the edge area further comprises an inorganic encapsulation layer disposed on the composite structure layer and the stepped structure.

Abstract: The present disclosure provides a display substrate and a display apparatus, belonging to the field of display technology. The present disclosure provides a display substrate, having a plurality of island regions, bridge regions and clearance regions. The display substrate includes: at least one base including a sub-base and a buffer layer. The sub-base includes a first surface and a second surface opposite to each other, and the buffer layer is disposed on a side of the second surface of the sub-base away from the first surface. In the at least one base, the sub-base of any base has a same orientation. At least one first opening is provided at a position of the buffer layer of the at least one base corresponding to each island region.

Abstract: The present disclosure provides a display panel, a manufacturing method thereof, and a display device. The display panel includes a plurality of optical fingerprint identification structures, each optical fingerprint identification structure includes a display region and a sensing region, the display region includes a driving circuitry layer, a planarization layer, a pixel definition layer, and a light-emitting element, and the light-emitting element includes an anode, a light-emitting material layer and a cathode. The sensing region includes a sensing region opening, an optical sensor and a cathode metal layer, the cathode metal layer includes a first cathode metal layer and a second cathode metal layer, and the first cathode metal layer is separated from the second cathode metal layer by a gap, so that light emitted by the light-emitting element is allowed to enter the optical sensor through the gap after being reflected by a fingerprint.

Abstract: Provided are a display substrate, a display device, and a method for manufacturing the display substrate. The display substrate includes: a first inorganic encapsulation layer covering pixels of an island region and covering a signal line of a bridge region, a first organic encapsulation layer covering the first inorganic encapsulation layer, and multiple insulating layers located in the bridge region and between the first inorganic encapsulation layer and a substrate.