Abstract: A display panel is disclosed in the present application. A display portion is bent about at least a first direction to define a first arc shape, and the first arc shape has a first radius of curvature. A driving chip is bonded to a pad portion. A support pad is provided between the display portion and the pad portion, and is provided corresponding to at least the driving chip. The support pad includes a first surface toward the display portion and a second surface toward the pad portion, the first surface is in contact with the first arc shape, and the second surface is a flat surface.

Abstract: The present disclosure provides a display module, which includes a silicon-based micro light emitting diode display panel and a heat dissipation device. The heat dissipation device includes a heat dissipation cavity disposed on a back surface of the silicon-based micro light emitting diode display panel and an electro-deformation member disposed on a cavity bottom of the heat dissipation cavity. In case that the electro-deformation member is powered on, the electro-deformation member deforms to avoid a channel causing an external environment to be in communication with the heat dissipation cavity, so that external air enters the heat dissipation cavity. External air has a relatively low temperature and can carry away 10 heat of the silicon-based micro light emitting diode display panel, so as to reduce a temperature of the silicon-based micro light emitting diode display panel, and improve a heat dissipation capability of the display module.

Abstract: An electrochemical device, including a first housing, a second housing, and a first separation piece. The first separation piece is disposed between the first housing and the second housing. A first cavity and a second cavity are disposed on two sides of the first separation piece of the electrochemical device respectively. The first separation piece includes a first substrate layer and a first sealing material layer located on a surface of the first substrate layer. The electrochemical device satisfies: 1.2?Fs11/F11?15, where F11 is a peel force between the first sealing material layer and the first substrate layer, and Fs11 is a peel force between the first housing and the first sealing material layer. This arrangement can reduce the risk of bursting the seal interface when the electrochemical device is impacted such as dropped, thereby improving the safety and reliability of the electrochemical device.

Abstract: The present application provides a display panel and a display device. The display panel comprises a first curved region located between two second curved regions and corresponding to a corner area of a planar region. The display panel comprises a supporting layer and a panel main body, and the supporting layer comprises a first portion being bent and within the first curved region and a second portion being bent and within the second curved region; the panel main body is disposed on the first portion and the second portion and bent along with the first portion and the second portion. a shrinkage rate of the first portion is greater than a shrinkage rate of the second portion.

Abstract: An electrochemical device, including a housing and N separators. The N separators and the housing together define N+1 accommodating cavities arranged along a first direction. The N+1 accommodating cavities include a first accommodating cavity and a second accommodating cavity adjacent to each other, wherein N?2. A first electrode assembly is accommodated in the first accommodating cavity, and a second electrode assembly is accommodated in the second accommodating cavity. The second electrode assembly is far from a reference surface relative to the first electrode assembly. The reference surface is a plane that passes through the 10 center of the electrochemical device along the first direction and is perpendicular to the first direction. The volume V1 of the first accommodating cavity and the volume V2 of the second accommodating cavity satisfy 0.5%?(V2?V1)/V1?5%, so that the safety performance of the electrochemical device is improved.

Abstract: An electronic device receives a first user operation, where the first user operation is for saving a first media file; the electronic device displays a first window for the first media file based on the first user operation, where the first window is for providing a manner of editing file information of the first media file; the electronic device receives the file information of the first media file; and the electronic device saves the first media file, the file information, and a mapping relationship between the first media file and the file information.

Abstract: Disclosed are a display panel and a display device. The display panel comprises a first curved area located between two second curved areas and corresponding to a corner of a plane area. The display panel comprises a support layer and a panel main body, and the support layer comprises a curved first part located in the first curved area and a curved second part located in the second curved area; the panel main body is located on the support layer and curved with the first part and the second part. An elastic modulus of the first part is smaller than an elastic modulus of the second part.

Abstract: A battery, including a battery cell and a housing assembly accommodating the battery cell. The battery cell includes a first tab. The housing assembly includes a first housing body and a second housing body. The first housing body and the second housing body define an accommodation space to accommodate the battery cell. The first housing body and/or the second housing body include an installation portion provided with a via hole. A conductive member is disposed on an inner surface or an outer surface of the housing assembly and electrically connected to the first tab. In a through direction of the via hole, a projection of the conductive member is at least partially located in the via hole. The conductive member can avoid occupying internal space of the housing assembly, and increase the energy density of the battery. An electric device containing the battery is provided.

Abstract: The present application provides a display panel and a display device. The display panel comprises a first curved region located between two second curved regions and corresponding to a corner area of a planar region. The display panel comprises a supporting layer and a panel main body, and the supporting layer comprises a first portion being bent and within the first curved region and a second portion being bent and within the second curved region; the panel main body is disposed on the first portion and the second portion and bent along with the first portion and the second portion. a shrinkage rate of the first portion is greater than a shrinkage rate of the second portion.

Abstract: An electrochemical apparatus, including: a first electrode assembly including a first negative electrode plate having a first negative current collector with a first negative active material layer disposed on at least one surface; and a second electrode assembly including a second negative electrode plate having a second negative current collector with a second negative active material layer disposed on at least one surface. A coating weight W1f of the first negative active material layer and a coating weight W2f of the second negative active material layer satisfy: 30 mg/1540.25 mm2?W2f?W1f?100 mg/1540.25 mm2. By regulating a value of W2f?W1f to be within the above range, energy density of the electrochemical apparatus and swelling performance of the electrochemical apparatus can be improved while fast charging performance is satisfied.

Abstract: A profiling device, a manufacturing method of a display panel, and the display panel are disclosed. Wherein, the profiling component includes a first surface, and the first surface includes a first region and a second region. When the profiling component is in a first state, the first surface is used to attach to a display component. When the profiling component is in a second state, a part of the first surface corresponding to the first region is arc-shaped and higher than a part of the first surface corresponding to the second region to allow a position of the display component corresponding to the second region to form a curved structure.

Abstract: The invention provides methods and compositions for treating or ameliorating Alzheimer's disease. The invention provides agents that reduce A? inclusions and plaque accumulation, inhibit dendrite spine loss, and restore neurogenesis.

Abstract: A secondary battery cell includes an anode electrode plate, an anode electrode tab, a cathode electrode plate, a cathode electrode tab, and a separator. A winding formation system of the secondary battery cell includes a working platform, a winding mechanism, an anode electrode plate unwinding roller, an anode electrode plate cleaning mechanism, an anode electrode plate die-cutting mechanism, an anode electrode tab supply mechanism, an anode electrode tab connection mechanism, an anode electrode plate convey mechanism, a cathode electrode plate unwinding roller, a cathode electrode plate cleaning mechanism, a cathode electrode plate die-cutting mechanism, a cathode electrode tab supply mechanism a cathode electrode tab connection mechanism, a cathode electrode plate convey mechanism, a first separator unwinding roller, a second separator unwinding roller, a first separator convey mechanism, and a second separator convey mechanism.

Abstract: A battery shell includes a first housing. The first housing is configured to be formed by winding a sheet around a first axis. The sheet includes a first end portion and a second end portion. The first housing includes a first sidewall. The first sidewall includes a first flat portion, a first bent portion, and the first end portion. The first sidewall further includes a second flat portion and the second end portion. A wall face of the first flat portion facing away from the first axis is a first wall face. A wall face of the second flat portion facing away from the first axis is a second wall face. As viewed along a thickness direction perpendicular to the second flat portion, a distance between the first wall face and the second wall face is less than a thickness of the second flat portion.

Abstract: This application provides a housing, an arc battery, and an electric device. The housing includes two cover plates and a middle frame, where the two cover plates are both arc shaped plates, the middle frame has two opposite openings in a first direction, and the two cover plates are configured to respectively cover the two openings, and the middle frame and the two cover plates jointly define an accommodating space. The two cover plates of the housing are both arc plates, and therefore the housing can be used for arc batteries. The housing is divided into two are cover plates and a middle frame that are separately disposed.

Abstract: A secondary battery cell includes an anode electrode plate, an anode electrode tab, a cathode electrode plate, a cathode electrode tab and a separator. The secondary battery cell winding formation system includes a working platform, a winding mechanism, an anode electrode plate unwinding roller, an anode electrode plate cleaning mechanism, an anode electrode plate die-cutting mechanism, an anode electrode tab supply mechanism, an anode electrode tab connection mechanism, an anode electrode plate convey mechanism, a cathode electrode plate unwinding roller, a cathode electrode plate cleaning mechanism, a cathode electrode plate die-cutting mechanism, a cathode electrode tab supply mechanism a cathode electrode tab connection mechanism, a cathode electrode plate convey mechanism, a first separator unwinding roller, a second separator unwinding roller, a first separator convey mechanism and a second separator convey mechanism.

Abstract: The present invention provides an inhalation spray of Semaglutide with good patient compliance and high bioavailability at the targeted site, which belongs to the technical field of pharmaceutical preparation. The inhalation spray of Semaglutide according to the invention comprising, by weight to volume, 0.01% to 20% of Semaglutide in the inhalation spray, wherein the proportion of fine particles with a particle size less than 5 ?m formed after the inhalation spray is atomized by a spray device is not less than 10%. The inhalation spray of Semaglutide according to the invention has a simple formulation, low toxic and side effects, atomization administration of the medicinal liquid through an inhalation device, uniform distribution of spray droplets, a high lung deposition rate, low irritation and convenient administration, which is suitable for industrial production. The invention further provides a preparation method of the inhalation spray of Semaglutide.

Abstract: Disclosed are a display panel and a display device. The display panel comprises a first curved area located between two second curved areas and corresponding to a corner of a plane area. The display panel comprises a support layer and a panel main body, and the support layer comprises a curved first part located in the first curved area and a curved second part located in the second curved area; the panel main body is located on the support layer and curved with the first part and the second part. An elastic modulus of the first part is smaller than an elastic modulus of the second part.

Abstract: A method for manufacturing a MEMS device and the MEMS device are provided. The method includes: depositing a film on at least a part of a surface of a sacrificial layer, defining at least one through hole in the thin film by machining, removing at least a part of a material covered by the thin film in the sacrificial layer, discharging the part of the material removed from the sacrificial layer from the at least one through hole to define a cavity in the sacrificial layer, and depositing a sealing layer on a surface of the thin film facing away from the sacrificial layer to seal the at least one through hole. Compared with the manufacturing method in the related art, the manufacturing method of the disclosure only requires to deposit one layer of thin film, shorten the production period, and has reliable on-site sealing capability.

Abstract: The present disclosure provides a molding device for a curved display panel, the molding device includes a mapping structure with a plurality of thimble pins and a jacking mechanism, one end of each of the thimble pins is configured to be attached to a display panel, the jacking mechanism includes a plurality of bottom plate and a plurality of driving members, each of the bottom plates is configured to be attached to another end of corresponding thimble pins, any one of the bottom plates is independently driven by one of the driving members, the plurality of bottom plates can separately drive the plurality of thimble pins to drive corresponding areas of the display panel to rise by different displacements and achieve a better molding effect.