Abstract: A foldable wireless charger can comprise a first housing, a second housing, a third housing, a first wireless charging device, a second wireless charging device, and a third wireless charging device. The first housing has a first surface and a second surface. When the second housing is at a first position, the second housing is adjacent to the first surface; and when the second housing is at the second position, the second housing is angularly displaced from the first surface. When the third housing is at the third position, the third housing is adjacent to the second surface; and when the third housing is at the fourth position, the third housing is angularly displaced from the first surface of the first housing.

Abstract: Provided are a display panel and a display device. The display panel includes a substrate and a drive circuit disposed on one side of the substrate. The drive circuit includes a first transistor. The first transistor includes a first active layer. The first active layer includes an oxide semiconductor. The drive circuit also includes a first capacitor. One capacitor plate of the first capacitor is disposed in the same layer as the first active layer. In the display panel according to embodiments of the present disclosure, a substrate of a first capacitor in a drive circuit is disposed in the same layer as an active layer of an oxide semiconductor.

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 drive module and a bias adjustment module. The drive module is configured to provide a drive current to the light-emitting element, and includes a drive transistor. The bias adjustment module is connected between a first terminal of the drive transistor and a bias signal terminal, a control terminal of the bias adjustment module is connected to a first scan signal terminal, and a second terminal of the drive transistor is coupled to the light-emitting element. A working process of the pixel circuit includes a pre-stage, the pre-stage includes a bias adjustment stage, the bias adjustment module is turned on in the bias adjustment stage, and the bias signal terminal provides a bias signal to the first terminal of the drive transistor.

Abstract: A display panel includes a driver circuit including shift registers with N stages and being cascade with each other, where N?2, and each shift register includes a first control portion and a second control portion. The first control portion is configured to control a first output signal, where the first output signal of an i-th stage of shift register is an input signal of a j-th stage of shift register, and 1?i?N, 1?j?N. The second control portion is configured to receive at least the first output signal and a frequency control signal and control a second output signal. In a case where the first output signal is an effective pulse and a time period of the effective pulse is within a time period of an effective pulse of the frequency control signal, the second output signal is the effective pulse.

Abstract: A display panel includes a pixel circuit and a light-emitting element. The working process of the pixel circuit includes a data write stage and a bias stage. The working process of the pixel circuit includes a first light emission stage and a first non-light emission stage. In the first non-light emission stage, a bias maintaining stage is from the start moment of the bias stage to the start moment of the first light emission stage. Working modes of the display panel include a first mode and a second mode. The display brightness of the display panel in the first mode is different from the display brightness of the display panel in the second mode. The length of the bias maintaining stage in the first mode is different from the length of the bias maintaining stage in the second mode.

Abstract: Provided are a display panel and a display device. The display panel includes a substrate and a drive circuit disposed on one side of the substrate. The drive circuit includes a first transistor. The first transistor includes a first active layer. The first active layer includes an oxide semiconductor. The drive circuit also includes a first capacitor. One capacitor plate of the first capacitor is disposed in the same layer as the first active layer. In the display panel according to embodiments of the present disclosure, a substrate of a first capacitor in a drive circuit is disposed in the same layer as an active layer of an oxide semiconductor.

Abstract: Provided are a display panel and a display device. The display panel includes a display region and a first fan-out region located on a side of the display region. The display region further includes a substrate and a first metal layer, a second metal layer and a third metal layer which are located on a side of the substrate and are located at the first fan-out region and are sequentially disposed in different layers insulated from one another, where the first metal layer includes multiple first signal lines, the second metal layer includes multiple second signal lines, and the third metal layer includes multiple third signal lines. In the direction perpendicular to the plane where the substrate is located, at least one third signal line overlaps one first signal line, and the at least one third signal line overlaps one second signal line.

Abstract: The present application relates to the technical field of holder, and discloses a vehicle holder. An inductive signal is generated when the wireless charging module and the device to be wirelessly charged match with each other successfully, the first control module generates a motor control signal according to the inductive signal; the motor drive module generates a motor drive signal according to the motor control signal to cause the fixing clamp to clamp tightly. Since an auto-induction fitting and clamping is achieved when the device to be wirelessly charged is matched, a defect that it is impossible to directly detect the approaching and the matching of the device to be wirelessly charged to implement the auto-induction fitting and clamping can be overcome, and the convenience of the vehicle holder is improved.

Abstract: The electric vehicle holder includes a housing; clamping arms are respectively inserted into two sides of the housing; the electric vehicle holder further includes an electric mechanism, a circuit board, and a power supply module; a normally open circuit configured to control the electric mechanism to drive the two clamping arms away from each other is arranged on the circuit board; and a detector is further arranged in the housing. By arranging the electric mechanism and arranging the normally open circuit on the circuit board, when the electric vehicle holder is powered on, the two clamping arms are opened; since the clamping arms do not need to be opened manually, the installation of a tablet electronic device is convenient.

Abstract: The electric vehicle holder includes a housing; clamping arms are respectively inserted into two sides of the housing; the electric vehicle holder further includes an electric mechanism, a circuit board, and a power supply module; a normally open circuit configured to control the electric mechanism to drive the two clamping arms away from each other is arranged on the circuit board; and a detector is further arranged in the housing. By arranging the electric mechanism and arranging the normally open circuit on the circuit board, when the electric vehicle holder is powered on, the two clamping arms are opened; since the clamping arms do not need to be opened manually, the installation of a tablet electronic device is convenient.

Abstract: The present application relates to the technical field of holder, and discloses a vehicle holder. An inductive signal is generated when the wireless charging module and the device to be wirelessly charged match with each other successfully, the first control module generates a motor control signal according to the inductive signal; the motor drive module generates a motor drive signal according to the motor control signal to cause the fixing clamp to clamp tightly. Since an auto-induction fitting and clamping is achieved when the device to be wirelessly charged is matched, a defect that it is impossible to directly detect the approaching and the matching of the device to be wirelessly charged to implement the auto-induction fitting and clamping can be overcome, and the convenience of the vehicle holder is improved.