Abstract: Provided are a display panel and display device. The display panel includes a driver circuit comprising a shift register that is N-stage cascaded, wherein N is a number greater than or equal to 2; where the shift register comprises: a third control unit configured to receive a first voltage signal and generate an output signal in response to a signal of a third node, or receive a second voltage signal and generate an output signal in response to a signal of a second node; and a fourth control unit comprising a first capacitor, a first transistor and a second transistor, where a second plate of the first capacitor is connected to a drain of the first transistor, a source of the second transistor is connected to a first node, and a drain of the second transistor is connected to the third node.

Abstract: Provided are a display panel, an integrated chip, and a display device. The display panel includes a first display region, a second display region, and a pixel circuit. The pixel circuit includes a first pixel circuit and a second pixel circuit, where the first pixel circuit is connected to a light-emitting element in the first display region, and the second pixel circuit is connected to a light-emitting element in the second display region. The pixel circuit includes a drive transistor and a first presetting module, and a terminal of the first presetting module is connected to the drive transistor, where a control terminal of a first presetting module in the first pixel circuit is configured to receive a first control signal, and a control terminal of a first presetting module in the second pixel circuit is configured to receive a second control signal.

Abstract: Provided is a display panel, and the display panel includes a base substrate, a first signal line, a planarization layer, a light-emitting element and a pixel spacer layer. The first signal line is disposed on the base substrate, where the first signal line includes a first sub signal line and a second sub signal line which are electrically connected to each other and are disposed in different layers, and the first sub signal line is disposed on one side of the second sub signal line facing toward the base substrate. The planarization layer is disposed on one side of the first signal line facing away from the base substrate. The light-emitting element and the pixel spacer layer are disposed on one side of the planarization layer facing away from the base substrate. The planarization layer includes a first opening.

Abstract: A display panel and a display device are provided. The display panel includes a pixel circuit including a driving transistor and a preset module, a light-emitting element and a gating module. A first terminal of the preset module is connected to the driving transistor, and a second terminal of the preset module is connected to a preset signal terminal or the driving transistor, a control terminal of the preset module is connected to a control signal line, a control terminal of the gating module is connected to a gating signal line configured for receiving a gating signal, the gating module is connected between the control terminal of the preset module and the control signal line, or between the first terminal of the preset module and the driving transistor, or between the second terminal of the preset module and the preset signal terminal or the driving transistor.

Abstract: Provided are a display panel and a display device. The display panel includes a pixel circuit and a light-emitting element. The pixel circuit includes a data write module, a drive module and a compensation module. The drive module includes a drive transistor. The data write module is connected to an input terminal of the drive module; a first electrode of the compensation module is connected to an output terminal of the drive module, and a second electrode of the compensation module is connected to a control terminal of the drive module. The data write module includes a data write transistor and a bias transistor, the data write transistor is connected to a data signal input terminal and configured to transmit a data signal, and the bias transistor is connected to a bias signal input terminal and configured to transmit a bias signal.

Abstract: The present disclosure discloses a detection kit for Salmonella typhi, a preparation method and an application thereof, the detection kit includes: amplification primer, crRNA, LbCas12a-RR protein and a single-stranded DNA reporting system, the crRNA is a specific crRNA for a detection segment of the flag gene of Salmonella typhi; a LbCas12a-RR protein expression sequence is a prokaryotic codon optimized with a Cas12 protein nucleic acid sequence, and amino acid positions of 532 and 595 are mutated into G532R and K595R, respectively. The application of the kit is, to use the detection kit of Salmonella typhi for nucleic acid detection of Salmonella typhi; and the kit has high sensitivity, high specificity and fast visualization.

Abstract: A display panel and a display device are provided. The display panel includes a pixel circuit including a driving transistor and a preset module, a light-emitting element and a gating module. A first terminal of the preset module is connected to the driving transistor, and a second terminal of the preset module is connected to a preset signal terminal or the driving transistor, a control terminal of the preset module is connected to a control signal line, a control terminal of the gating module is connected to a gating signal line configured for receiving a gating signal, the gating module is connected between the control terminal of the preset module and the control signal line, or between the first terminal of the preset module and the driving transistor, or between the second terminal of the preset module and the preset signal terminal or the driving transistor.

Abstract: A display panel and a display device are provided. The display panel includes a pixel circuit and a light-emitting element. The pixel circuit includes a data-writing module, a driving module, and a compensation module. The data-writing module is configured to selectively provide a data signal for the driving module. The driving module includes a driving transistor and is configured to provide a driving current to the light-emitting element. The compensation module is configured to compensate a threshold voltage of the driving transistor. A source of the driving transistor includes a first source and a second source, and a drain of the driving transistor includes a first drain and a second drain. A third driving portion is arranged between the first source and the second source. A first driving portion is arranged between the second source and the first drain.

Abstract: A display panel includes a base substrate, a third transistor and a fourth transistor. The third transistor and the fourth transistor are formed on the base substrate. The third transistor includes a sixth gate electrode, a third active layer, a third source electrode, and a third drain electrode. The third active layer includes an oxide semiconductor. The fourth transistor includes an eighth gate electrode, a fourth active layer, a fourth source electrode, and a fourth drain electrode. The fourth active layer includes another oxide semiconductor. Along a direction perpendicular to the base substrate, a distance between the sixth gate electrode and the third active layer is D6. A channel region of the third transistor defined by the sixth gate electrode is a sixth channel region. A length of the sixth channel region is L6. A sixth area S6=L6×D6.

Abstract: A display panel includes at least one driving circuit and at least one pixel circuit. A driving circuit of the at least one driving circuit provides a driving signal for a pixel circuit of the at least one pixel circuit. The driving circuit includes N-level shift registers cascaded with each other. N is greater than or equal to two. The pixel circuit provides a display signal for a display unit of the display panel. A shift register of the N-level shift registers includes at least one first transistor. The at least one first transistor includes at least one first active layer, and an active layer with a largest area among the at least one first active layer is a first preset active layer. The pixel circuit includes at least one second transistor. The at least one second transistor includes at least one second active layer.

Abstract: A display panel includes a base substrate, a first transistor and a second transistor. The first transistor and the second transistor are formed on the base substrate. The first transistor includes a first active layer, a first gate electrode, a first source electrode, and a first drain electrode. The first active layer includes silicon. The second transistor includes a second active layer, a second gate electrode, a second source electrode, and a second drain electrode. The second active layer includes an oxide semiconductor. A length of a channel region of the first transistor is L1. Along a direction perpendicular to the base substrate, a distance between the first gate electrode and the first active layer is D1. The first transistor further includes a third gate electrode. Along the direction perpendicular to the base substrate, a distance between the third gate electrode and the first active layer is D3, and D1<D3.

Abstract: Provided are a display panel and a display device. The display panel includes a pixel circuit and a light-emitting element. The pixel circuit includes a data write module, a drive module and a compensation module. The drive module includes a drive transistor. The data write module is connected to an input terminal of the drive module; a first electrode of the compensation module is connected to an output terminal of the drive module, and a second electrode of the compensation module is connected to a control terminal of the drive module. The data write module includes a data write transistor and a bias transistor, the data write transistor is connected to a data signal input terminal and configured to transmit a data signal, and the bias transistor is connected to a bias signal input terminal and configured to transmit a bias signal.

Abstract: Provided are a display panel and a display device. The display panel includes a pixel circuit and a light-emitting element. The pixel circuit includes a data write module, a drive module, a compensation module and a reset module. The drive module includes a drive transistor. The data write module is connected between a data signal input terminal and a source of the drive transistor. The compensation module is connected between a gate of the drive transistor and the drain of the drive transistor. The rest module is connected between a reset signal terminal and the drain of the drive transistor. The reset module also serves as a bias module. An operation of the pixel circuit includes a reset stage and a bias stage, during the reset stage, the reset module and the compensation module are on.

Abstract: Provided are a display panel and a display device. The display panel includes a pixel circuit and a light-emitting element. The pixel circuit includes a data write module, a drive module, a compensation module and a reset module. The drive module includes a drive transistor. The data write module is connected between a data signal input terminal and a source of the drive transistor. The compensation module is connected between a gate of the drive transistor and the drain of the drive transistor. The rest module is connected between a reset signal terminal and the drain of the drive transistor. The reset module also serves as a bias module. An operation of the pixel circuit includes a reset stage and a bias stage, during the reset stage, the reset module and the compensation module are on.

Abstract: Provided are a display panel and a display device. The display panel includes a pixel circuit and a light-emitting element. The pixel circuit includes a data write module, a drive module, a compensation module and a reset module. The drive module includes a drive transistor. The data write module is connected between a data signal input terminal and a source of the drive transistor. The compensation module is connected between a gate of the drive transistor and the drain of the drive transistor. The rest module is connected between a reset signal terminal and the drain of the drive transistor. The reset module also serves as a bias module. An operation of the pixel circuit includes a reset stage and a bias stage, during the reset stage, the reset module and the compensation module are on.

Abstract: A display panel includes a base substrate, a first transistor, and a second transistor. The first transistor and the second transistor are formed on the base substrate. The first transistor includes a first active layer, a first gate electrode, a first source electrode, and a first drain electrode. The first active layer includes silicon. The second transistor includes a second active layer, a second gate electrode, a second source electrode, and a second drain electrode. The second active layer includes oxide semiconductor. A length of a channel region of the first transistor is L1. Along a direction perpendicular to the base substrate, a distance between the first gate electrode and the first active layer is D1. A length of a channel region of the second transistor is L2. Along the direction perpendicular to the base substrate, a distance between the second gate electrode and the second active layer is D2.

Abstract: Provided are a display panel an integrate chip and a display device. The display panel includes a pixel circuit and a light-emitting element. The pixel circuit includes a drive module and a data write module. The drive module is configured to provide a drive current for the light-emitting element and comprises a drive transistor. The data write module comprises a data write transistor and a bias transistor, the data write transistor is configured to transmit a data signal and the bias transistor is configured to transmit a bias signal.

Abstract: Provided are a display panel and a display device. The display panel includes a pixel circuit and a light-emitting element. The pixel circuit includes a data write module, a drive module and a compensation module. The drive module includes a drive transistor. The data write module is connected to an input terminal of the drive module; a first electrode of the compensation module is connected to an output terminal of the drive module, and a second electrode of the compensation module is connected to a control terminal of the drive module. The data write module includes a data write transistor and a bias transistor, the data write transistor is connected to a data signal input terminal and configured to transmit a data signal, and the bias transistor is connected to a bias signal input terminal and configured to transmit a bias signal.

Abstract: Disclosed are a banknote stacking and separation apparatus and a cash recycling and handling device. The banknote stacking and separation apparatus includes a frame provided with a banknote accommodating space. A pickuping roller, a feeding roller and a gate roller are provided in an upper part of the banknote accommodating space, and the feeding roller and the gate roller are oppositely arranged. The banknote stacking and separation apparatus further includes a guiding plate and a guiding plate driving mechanism. The guiding plate is located in the banknote accommodating space and pivoted with the frame, and the guiding plate driving mechanism drives the guiding plate to rotate from a guiding position to a lifting position. The guiding plate shields the pickuping roller when the guiding plate is at the guiding position, and the guiding plate exposes the pickuping roller when the guiding plate is at the lifting position.

Abstract: Provided are a cash box and a cash recycling and handling device. The cash box comprises a box body, a supporting plate and a self-locking assembly, where the self-locking assembly includes a stop plate disposed between a side wall of the box body and the supporting plate, and the stop plate is movably connected to the box body and has a lifted position and a lowered position; in a case where the stop plate is in the lifted position, the stop plate is in fit with the supporting plate to lock a position of the supporting plate; and in a case where the stop plate is in the lowered position, the stop plate is separated from the supporting plate to unlock the position of the supporting plate. The cash recycling and handling device includes at least one above-mentioned cash box.