Abstract: A display panel includes a display area surrounding a through hole and an isolation area between the through hole and the display area. The isolation area includes at least two annular blocking dams surrounding the through hole. A first metal layer, an insulating layer and a second metal layer are arranged in a gap between the adjacent annular blocking dams. The isolation area further includes a through hole crack detection line wound around the edge of the through hole. The through hole crack detection line includes a first detection line and a second detection line. The first detection line on the same layer as the first metal layer and the second detection line on the same layer as the second metal layer are electrically connected through a via hole of the insulating layer.

Abstract: The present disclosure provides a display panel (PNL), a motherboard structure, and a display device, and belongs to the field of display technologies. The display panel (PNL) has a display area (AA) and a peripheral area (BB) surrounding the display area (AA); and the peripheral area (BB) has an inner cut line (ICUT) surrounding the display area (AA). The motherboard structure includes a plurality of display panels (PNL), and the motherboard structure has a main cut line (MCUT) between the display panels (PNL). An outer cut line (OCUT) is disposed in at least a partial area between the main cut line (MCUT) and the inner cut line (ICUT) of the display panel (PNL); an end of the outer cut line (OCUT) is intersected with the inner cut line (ICUT); and a second crack dam (DAM2) is disposed between the outer cut line (OCUT) and the inner cut line (ICUT).

Abstract: Provided are a display panel and a display device. An isolation dam is provided in a peripheral area of the display panel. The display panel includes: a display functional layer comprising a plurality of display signal traces; and a touch-control functional layer comprising a plurality of touch-control signal traces. On the binding side, there are a first boundary and a second boundary, and a first trace area located between the first boundary and the second boundary, the first boundary is closer to the display area than the second boundary. In the first trace area, the touch-control signal trace is arranged along a first direction and are led out from the binding circuit and connected to the touch-control pattern via the isolation dam and the first trace area in sequence, the display signal trace is arranged along a second direction and intersects with the touch signal trace.

Abstract: A display area of the array substrate only includes first sub-pixels capable of emitting light. In each two adjacent rows of first sub-pixels, a gate line electrically connected to one row of the plurality of rows of first sub-pixels and a reset signal line electrically connected to another row of the plurality of rows of first sub-pixels are electrically connected to the same first gate drive circuit. A target line electrically connected to a first row of the plurality of rows of first sub-pixels (i.e., another line other than the line electrically connected to the first gate drive circuit) is electrically connected to a second gate drive circuit. A target line electrically connected to a last row of the plurality of rows of first sub-pixels (i.e., another line other than the line electrically connected to the first gate drive circuit) is electrically connected to a third gate drive circuit.

Abstract: A display substrate and a display apparatus. The display substrate includes an electrostatic discharge protection circuit, a power supply line, and at least one auxiliary electrode. The electrostatic discharge protection circuit includes multiple electrostatic discharge protection units, at least one of which extends along a first inclined direction, there is a first preset included angle between the first inclined direction and a first direction, the first direction is an extension direction of a scan signal line in the display region, the first preset included angle is greater than 0° and less than 90°; the first trace region includes the power supply line and at least one auxiliary electrode, an orthographic projection of the at least one auxiliary electrode on a display substrate plane is overlapped with that of the power supply line on the display substrate plane, the at least one auxiliary electrode is connected with the power supply line.

Abstract: A display substrate and a display device are disclosed. The display substrate includes a base substrate, a pixel circuit layer, and an anode layer; the pixel circuit layer includes a plurality of pixel driving circuits; and the anode layer includes a plurality of anode; each pixel driving circuit includes a functional thin film transistor; the plurality of pixel driving circuits include a first pixel driving circuit and a second pixel driving circuit which are adjacently arranged, and an orthographic projection of a channel region of the functional thin film transistor in the first pixel driving circuit on the base substrate and an orthographic projection of a channel region of the functional thin film transistor in the second pixel driving circuit on the base substrate both overlap with an orthographic projection of the anode corresponding to the first pixel driving circuit on the base substrate.

Abstract: The disclosure relates to a display substrate, including: a base substrate including a display area and a peripheral area surrounding the display area; a first crack detection line located in the peripheral area and surrounding the display area; a second crack detection line located in the peripheral area and surrounding the display area; at least one first electrostatic discharge circuit located in the peripheral area, each including at least one first thin film transistor, the at least one first thin film transistor including a first gate; and at least one second electrostatic discharge circuit located in the peripheral area and electrically connected to the second crack detection line, each including at least one second thin film transistor, the at least one second thin film transistor including a second gate, wherein the second gate is electrically connected to the first gate.

Abstract: Disclosed are a display substrate and a preparation method therefor, and a display apparatus. The display substrate includes a display region and a bonding region, wherein the display region includes M pixel rows arranged sequentially, at least one pixel row includes a scan signal line and a plurality of sub-pixels arranged sequentially along an extension direction of the scan signal line, at least one sub-pixel includes a pixel drive circuit connected with the scan signal line, the pixel drive circuit at least includes a storage capacitor and a first transistor as a first initialization transistor, and the scan signal line at least includes a second scan signal line that controls the first transistor to be turned on or off, and in the at least one pixel row, the second scan signal line is arranged on a side of the storage capacitor close to a display region boundary.

Abstract: An AGV tool for entertainment and transportation includes a cabin, an AGV base, and a connection component connecting the cabin and the AGV base. The connection component includes a supporting component, a driving component, an upper installation component and a lower installation component. The driving component is fixedly connected to the supporting component. The supporting component includes two supporting arms and a supporting plate. The two supporting arms are arranged at two sides of the supporting plate. One end of each supporting arm is connected to one end of the supporting plate at a preset angle. The upper installation component is connected to another end of the supporting plate and configured to fixedly connect the cabin. The lower installation component is connected to the driving component and configured to fixedly connect to a supporting surface of the AGV base.

Abstract: A display panel, a method for manufacturing the same, a display device and a method for manufacturing the same are provided. The display panel includes a display region and a peripheral region arranged on a substrate, and further includes multiple active driving circuits and multiple redundant driving circuits. At least one active driving circuit is electrically connected to at least one of multiple pixel units, and each redundant driving circuit includes at least one electrode layer arranged on the substrate. The peripheral region includes a flat region and a curved region, at least part of the redundant driving circuits are located in a flat redundant driving circuit region included in the flat region. The flat redundant driving circuit region includes at least two alignment mark regions. In the alignment mark regions, at least one electrode layer is hollowed out, and/or at least one electrode layer is filled up.

Abstract: A scanning control circuit configured to be applied to a display panel including Q display areas, includes: Q gate initization signal lines, Q light-emittig initialization signal lines and Q scanning control sub-circuits. Each scanning control sub-circuit corresponds to a display area. The scanning control sub-circuit includes a gate scanning control unit and a light-emitting scanning control unit. The gate scanning control unit is configured to be turned on under control of a gate initialization signal from a gate initialization signal from the gate initialization signal line. The light-emitting scanning control unit is configured to be turned on under control of a light-emitting initialization signal from a light-emitting initialization signal line coupled thereto, and to be turned off under control of another light-emitting initialization signal from the light-emitting initialization signal line.

Abstract: A display substrate and a display device are provided. The display substrate includes: a base substrate, a display area, and a frame area arranged on a first side of the display area; the display area includes a central display area, a first display area and a second display area; the display substrate includes a plurality of first data lines, a plurality of second data lines; the first data signal lead includes a first lead portion extending along a first direction, and the second data signal lead includes a second lead portion extending along a second direction; a line width of the first lead portion is smaller than a line width of the second lead portion; the extension direction of the first data line and the extension direction of the second data line are a third direction.

Abstract: A display panel includes a display area, a first fan-out region, a bending region and fan-out traces disposed in the first fan-out region. The fan-out trace includes a lead-out segment and an extension segment that are connected. The fan-out traces include a first trace group and a second trace group that are not symmetrically. The first trace group includes a plurality of first trace bundles. A first trace bundle, closest to the second trace group includes a first sub-bundle and a second sub-bundle, each of which includes a lead-out portion and an extension portion that are connected. The lead-out portion and the extension portion are constituted by lead-out segments and extension segments of fan-out traces in a corresponding sub-bundle, respectively. A distance between the extension portion of the first sub-bundle and the extension portion of the second sub-bundle is greater than a distance between two adjacent fan-out traces in any first trace bundle.

Abstract: Disclosed are a display substrate and a display apparatus, wherein the display substrate includes a display region and a non-display region which includes a rounded corner region; the display substrate includes a circuit structure layer including a pixel circuit and a control drive circuit; the circuit structure layer further includes a plurality of reset output lines and a plurality of reset transfer lines located in the non-display region and disposed on a side of the control drive circuit close to the display region, and an extension direction of the reset output line and an extension direction of the reset transfer line intersect; the reset transfer line is connected with the pixel circuit; an orthographic projection of at least one reset transfer line located in the rounded corner region on the base substrate is partially overlapped with orthographic projections of the plurality of reset output lines on the base substrate.

Abstract: A display panel is provided, which includes a display region and a border region arranged around the display region. The display panel includes: a base substrate; a plurality of edge sub-pixels arranged on the base substrate, the plurality of edge sub-pixels being arranged at the edge of the display region and close to the border region, the edge sub-pixels including an anode pattern; a first initialization signal bus arranged on the base substrate, at least a part of the first initialization signal bus being arranged in the display region; wherein an orthographic projection of the anode pattern onto the base substrate overlaps an orthographic projection of the first initialization signal bus onto the base substrate at a first overlapping area.

Abstract: A monolithic integrated multi-segment cascade optical frequency comb and its chip are disclosed, which belongs to the technical field of sensing detection, quantum information and optical communication technology. The optical frequency comb includes a first semiconductor passive mode-locking laser, a semiconductor optical amplifier, and a second semiconductor passive mode-locking laser sequentially integrated and connected; the first semiconductor passive mode-locking laser includes a first reverse bias absorption area integrated with an optogalvanic distribution grating and a first gain cavity length extender (coupled multi-ring or multi-disk); the second semiconductor passive mode-locking laser includes a second reverse bias absorption area and a second gain cavity length extender (coupled multi-ring or multi-disk); each structure is connected to each other by electrical isolation grooves.

Abstract: The present disclosure provides a display panel and a display apparatus. The display panel includes multiple signal leads located on the base substrate and at least located in the first fanout region; the first fanout region includes at least one fanout edge region, the fanout edge region includes an organic layer covered region and an organic layer uncovered region, an orthographic projection of the first organic composite insulation layer on the base substrate is located in the organic layer covered region, the orthographic projection of the first organic composite insulation layer on the base substrate is not overlapped with the organic layer uncovered region, the second inorganic insulation layer covers the organic layer uncovered region, and an orthographic projection of the second inorganic insulation layer on the base substrate is at least partially overlapped with the orthographic projection of the first organic composite insulation layer on the base substrate.

Abstract: A display substrate and a display apparatus are provided. The display substrate includes: a display area and a non-display area located around the display area, wherein the non-display area includes: at least one Electro-Static discharge (ESD) protection unit, each ESD protection unit includes: multiple transistors connected in series, a first electrode of each transistor is connected with a gate, and the multiple transistors are arranged along a first inclination direction, a first preset included angle is provided between the first inclination direction and a first direction, the first preset included angle ranges from 10° to 80°, and the first direction is an extending direction of a gate line in the display area.

Abstract: A display panel includes a display area surrounding a through hole and an isolation area between the through hole and the display area. The isolation area includes at least two annular blocking dams surrounding the through hole. A first metal layer, an insulating layer and a second metal layer are arranged in a gap between the adjacent annular blocking dams. The isolation area further includes a through hole crack detection line wound around the edge of the through hole. The through hole crack detection line includes a first detection line and a second detection line. The first detection line on the same layer as the first metal layer and the second detection line on the same layer as the second metal layer are electrically connected through a via hole of the insulating layer.

Abstract: A display panel and a display device are provided. The display panel includes: a display part including a plurality of data lines; a fan-out part including a plurality of fan-out lines; and a lead wire part including a plurality of first lead wires which are respectively connected with the plurality of data lines through the plurality of fan-out lines, and the plurality of fan-out lines are fanned out between the lead wire part and the display part. The plurality of first lead wires each include a first lead wire subpart and a compensation part to form a plurality of first lead wire subparts and a plurality of compensation parts, the plurality of first lead wire subparts are respectively connected with the plurality of compensation parts; the first lead subparts (WS1) have a width different from that of the compensation parts.