Abstract: Provided is a foldable display screen, including: glass, wherein the glass includes a recess formed in a first plane of the glass; wherein the recess is disposed in a bendable region of the foldable display screen, the recess extends in a lengthwise direction of the bendable region and runs through the first plane, and a distance between two side surfaces of the recess gradually increases along a direction close to the first plane; wherein each of the side surfaces of the recess includes a first arcuate surface and a second arcuate surface, wherein the first arcuate surface is connected to the first plane and curved towards a bottom surface of the recess, the second arcuate surface is connected to the bottom surface of the recess and curved towards the first plane, and the first arcuate surface is connected to the second arcuate surface.

Abstract: Provided is a rotary shaft mechanism including a curved base, a screen support plate, a curved slider, and a rotating block; the curved base includes a first centerline extending along X direction and two curved connecting portions symmetrically arranged around the first centerline; in the X direction, the screen support plates are on opposite sides of the curved base, each curved connecting portion is connected to the corresponding screen support plate through the curved slider and the rotating block; along the X direction, each curved connecting portion is divided into first and second curved guide grooves, the rotating block includes a curved connector connected to the first curved guide groove, and a sliding connector slidably connected to the screen support plate; the curved slider is rotatably connected into the second curved guide groove, and the curved slider is rotatably connected to the screen support plate through a pin-shape shaft.

Abstract: The present application relates to a heating device, and a battery manufacturing apparatus and method, and relates to the technical field of battery manufacturing. The heating device is configured to heat a material strip upstream of a first station, and may include: a support; a first heater movably mounted to the support; and a first driver mounted to the support and configured to drive the first heater to move in a feeding direction of the material strip, such that the first heater is movable between a first position close to the first station and a second position away from the first station.

Abstract: A display device is provided. The display device includes: a display panel, where the display panel includes: a bendable area including at least a display area of the display panel; a bonding area including a part of a non-display area of the display panel; and a folding area located between the bendable area and the bonding area; and a supporting film, where the supporting film is adhered to a back surface of the display panel, the supporting film includes a first film portion and a second film portion, an orthographic projection of the first film portion on the display panel overlaps with the bendable area, and an orthographic projection of the second film portion on the display panel overlaps with the bonding area, where a material of the first film portion is different from a material of the second film portion.

Abstract: Provided are a supporting backplane and a display apparatus. The supporting backplane is arranged at one side of a flexible display panel, and the supporting backplane at least comprises a main bending area, wherein a bending axis corresponding to the main bending area extends in a first direction; the main bending area is provided with a plurality of first hollow holes, the plurality of first hollow holes being arranged in an array in the first direction and a second direction, which is orthogonal to the first direction; each of the first hollow holes is provided with a first middle hole area, and first arc-shaped hole areas located at two sides of the first middle hole area in the first direction.

Abstract: A folding mechanism includes a covering member and a hinge assembly. The covering member includes a bearing groove extending in a first direction. Each hinge assembly includes a first module base and a second module base that are disposed in the bearing groove, a first support plate and a second support plate that are disposed on opposite sides of a first axis of the bearing groove, and a tension module. The first module base is fixed to the covering member. The second module base is capable of sliding with respect to the first module base in a second direction. The first support plate is connected to the first module base. The second support plate is connected to the second module base. The first support plate is capable of rotating relative to the first module base. The second support plate is capable of rotating relative to the second module base.

Abstract: The present disclosure provides a display panel and a display apparatus, which relates to the technical field of displaying. A substrate in the display panel ensures support for the display panel, and at the same time, the display panel can realize a narrow border. The display panel includes a device provision area, a bending area and a binding area. The bending area is located between the device provision area and the binding area. The display panel further includes a substrate and a display baseplate arranged on the substrate, and the display baseplate is located in the device provision area. The substrate is located in the device provision area, the bending area and the binding area, and at least includes a rigid substrate, and a part of the substrate located in the bending area is configured to be bendable along a bending axis.

Abstract: A constraining apparatus and a constraining device are described. The constraining apparatus includes a base, a positioning assembly, and a cushion assembly. The positioning assembly includes a plurality of positioning members arranged in sequence and located between two end plate assemblies. The cushion assembly is disposed on at least one of two sides of the positioning member that are opposite each other in the first direction. The constraining apparatus includes a first state and a second state, where in the first state, adjacent two of the positioning members abut against each other, such that an accommodating space for accommodating a battery cell is formed between the adjacent two of the positioning members, and the cushion assembly is configured to abut against the battery cell and the positioning members. In the second state, the plurality of positioning members are spaced apart from each other in the first direction.

Abstract: A battery restraint apparatus includes a restraint structure, the restraint structure including a restraint frame, a cushion pad, and a positioning column. The restraint frame is provided with a positioning hole; the cushion pad is arranged on the restraint frame; and the positioning column is arranged on the cushion pad and is inserted and fitted into the positioning hole. The positioning hole is formed in the restraint frame, and the positioning column to be inserted and fitted into the positioning hole is provided on the cushion pad, so that the positioning of the cushion pad on the restraint frame can be achieved by inserting the positioning column on the cushion pad into the positioning hole.

Abstract: Provided is a cover plate. The cover plate includes a substrate, a first buffer layer and a second buffer layer. The substrate includes a first surface and a second surface, and the first surface faces a flexible display panel. The first buffer layer is laminated on the first surface, and an elastic modulus of the first buffer layer ranges from 10 MPa to 2 GPa. The second buffer layer is laminated on the second surface, and an elastic modulus of the second buffer layer ranges from 60 MPa to 7 GPa.

Abstract: Provided is a hinge. The hinge includes: a support base and at least one set of flip assemblies. One set of flip assemblies include a first flip assembly and a second flip assembly that are symmetrically arranged with respect to the support base. The first flip assembly includes a first swing arm and a first flip plate. A first end of the first swing arm is flipably connected to the support base, and a second end of the first swing arm is flipably connected to a rear face of the first flip plate. The second flip assembly includes a second swing arm and a second flip plate. A first end of the second swing arm is flipably connected to the support base, and a second end of the second swing arm is flipably connected to a rear face of the second flip plate.

Abstract: A rotating shaft mechanism, including a mounting base and at least one rotating assembly each of which includes two rotating modules; a rotating module includes a supporting plate, a sliding plate and an elastic pressing mechanism; the supporting plate is rotatably connected to the mounting base; a surface of the supporting plate is provided with a first limiting portion and a second limiting portion; the first limiting portion and the second limiting portion are provided at intervals along the first direction; a portion of the sliding plate is rotatably connected to the mounting base, and another portion of the sliding plate is slidably connected to the supporting plate; and a distance between the end of the sliding plate away from the mounting base and the second limiting portion is proportional to a maximum angle to which the supporting plate is able to rotate.

Abstract: The present disclosure discloses a display module and a display apparatus, which belong to the field of display technologies. The display module includes a display panel and a circuit board. The display panel can be bonded and connected to the circuit board after being bent twice respectively by the first bending part and the second bending part, so that a first connection part of the display panel and the circuit board are laminated at one side of the back surface of the display panel further away from a display surface.

Abstract: Provided is a support device. The support device includes: a first support plate, a second support plate, and a hinge. The hinge is configured to allow a bendable portion of a flexible display module to be folded or unfolded. The hinge at least includes a flip assembly, the flip assembly including: a first flip plate, a fixing member, a connection wrap member, a slide member, a first elastic member, and a second flip plate. The first elastic member is disposed between the fixing member and the slide member, and a first compression amount of the first elastic member in a case where the support device is not connected to the flexible display module is less than a second compression amount of the first elastic member in a case where the support device is connected to the flexible display module.

Abstract: The present disclosure provides a cooling structure, a stator, an axial flux motor and an assembly method thereof. The cooling structure includes a cooling disc, which includes a rotor-facing surface, a stator-facing surface and several stator sleeve holes which run from the rotor-facing surface to the stator-facing surface. A flow channel is further arranged between the rotor-facing surface and the stator-facing surface, and surrounds each of the stator sleeve holes. The cooling disc can be built into the motor and arranged between the stator and the rotor. A cooling medium is introduced into the flow channel to transfer the heat of the rotor and the stator through the flowing cooling medium. Compared with conventional frame water channel arrangement, the heat transfer path between the rotor and the stator and the cooling structure is shortened, effectively improving the heat dissipation effect to ensure the reliable operation of the motor.

Abstract: A folding mechanism includes a covering member and a hinge assembly. The covering member includes a bearing groove extending in a first direction. Each hinge assembly includes a first module base and a second module base that are disposed in the bearing groove, a first support plate and a second support plate that are disposed on opposite sides of a first axis of the bearing groove, and a tension module. The first module base is fixed to the covering member. The second module base is capable of sliding with respect to the first module base in a second direction. The first support plate is connected to the first module base. The second support plate is connected to the second module base. The first support plate is capable of rotating relative to the first module base. The second support plate is capable of rotating relative to the second module base.

Abstract: The supporting module includes a supporting assembly including a fixed plate and a movable plate, and both sides of fixed plate are hinged with one movable plate; a synchronous assembly is fixed on the fixed plate, transmission assemblies are located at a bottom of the movable plate and a bottom of the fixed plate, a bottom surface of each movable plate is movably connected to a first end of one transmission assembly, and second ends of the transmission assemblies located at both sides of the fixed plate are movably connected to the synchronous assembly; when a first included angle is disposed between a supporting surface of one movable plate and a supporting surface of the fixed plate, a supporting surface of the other movable plate keeps the first included angle with the supporting surface of the fixed plate under an action of the transmission assembly and the synchronous assembly.

Abstract: Provided is a hinge. The hinge includes: a mounting base, two torsion shafts, a resilient structure, and two rotary arms; wherein the two torsion shafts and the resilient structure are mounted on the mounting base, the resilient structure is disposed between the two torsion shafts, and the two rotary arms are connected to the two torsion shafts respectively; a bump is disposed on a side wall of each of the two torsion shafts, wherein the bump is disposed on a side, close to the resilient structure, of the torsion shaft, and the bumps of the two torsion shafts are in contact with the resilient structure; and the resilient structure is configured to apply a force to the torsion shaft by the bumps, such that the two rotary arms have a tendency to rotate away from each other.

Abstract: The present application discloses a tray and a method for using same, and a battery production apparatus. The tray may be configured to carry a battery cell. The tray may include a tray body and a plurality of pressing bodies. The plurality of pressing bodies may be arranged at intervals in a first direction. The pressing bodies may be arranged on the tray body, the battery cell may be placed between two adjacent pressing bodies, each of the pressing bodies may be provided with a flexible pressing portion, and the flexible pressing portion may be configured to be in contact with the battery cell so as to press the battery cell.

Abstract: This application relates to the field of battery manufacturing technologies and provides a battery formation and grading device including: a box having an accommodating space; a temperature control apparatus, provided on the box, including a semiconductor cooling sheet, where two opposite sides of the semiconductor cooling sheet are configured as a cooling surface and a heating surface, the cooling surface being arranged facing the inside of the box and the heating surface being arranged facing the outside of the box. The technical solution of this application improves the efficiency of temperature control inside the battery formation and grading device and reduces the cost of temperature control.