8results about How to "Achieve ultra-thin" patented technology

The invention discloses a coating preparation method of an ultrathin high-toughness high-pressure-resistant block polyurethane solid electrolyte and application of the ultrathin high-toughness high-pressure-resistant block polyurethane solid electrolyte to a lithium ion battery, and belongs to the field of The preparation method comprises the following steps: mixing a polycarbonate-based polyol solution, a polyisocyanate solution, a conductive lithium salt and a catalyst, and defoaming to form a uniform precursor solution; and coating the precursor solution poured on the substrate by using a coating machine, and drying the obtained wet film. Polyfunctional isocyanate containing a three-dimensional cross-linked structure is adopted as a hard segment and is subjected to block copolymerization with a polyester long-chain soft segment, the mass ratio of the hard segment to the soft segment is regulated, and a continuous microphase separation ion channel is constructed; the prepared composite material has excellent flexibility and an ultra-wide electrochemical window, the electrochemical window is higher than 5.30 v, and the composite material can be matched with a high-voltage positive electrode material, so that the energy density of the battery is improved.

The present application relates to a kind of preparation method of full solid battery double-layer ultrathin electrolyte film based on transfer printing technology.The present application utilizes the high voltage stability of halide layer and the high ionic conductivity of sulfide layer to synergistically improve the cycle life and high rate performance of battery and other performances through halide / sulfide double-layer electrolyte design.Further, the transfer printing process of multi-layer electrolyte film is designed specifically, and the gradient drying process can avoid substrate deformation, effectively prevent halide / sulfide interlayer cracking, and enhance the interlayer adhesion, achieving electrode thinning, high mechanical strength and interface stability.The present application solves the technical bottleneck of the application difficulty of double-layer electrolyte structure in full solid battery through material system optimization and transfer printing process innovation, and is suitable for the industrial production of high energy density solid state battery.

The utility model provides a kind of loudspeaker, including bottom cover and upper shell, the upper shell is equipped with loudspeaker mounting position, loudspeaker mounting position is equipped with loudspeaker assembly in, the bottom cover is equipped with the accommodating hole position for accommodating the loudspeaker assembly, the loudspeaker mounting position includes fixed position and the base connected with the fixed position by connecting portion.The utility model provides a kind of loudspeaker with the advantages of exquisite structure, save space, can realize the advantages of ultrathin and miniaturization, the loudspeaker mounting position is equipped on the upper shell in the unique structure design, loudspeaker assembly is installed in, again in combination with the accommodating hole position structure on bottom cover can effectively realize the ultrathin structure design of loudspeaker, simultaneously, the application is more conducive to realizing miniaturization and customization due to the simplified structure design, with broad market prospect.

The utility model discloses a miniature loudspeaker, which comprises a frame, a magnetic circuit assembly, a bass vibration assembly and a first treble vibration assembly, the magnetic circuit assembly comprises a lower yoke, a central magnetic structure, a side magnetic structure, an upper yoke and a first treble magnetic structure, and the central magnetic structure comprises a lower central magnetic steel, a central washer and an upper central magnetic steel which are sequentially arranged from bottom to top. The lower center magnetic steel is connected with the lower yoke, the upper center magnetic steel is connected with the upper yoke, the two opposite sides of the center magnetic structure are correspondingly provided with side magnetic structures respectively to form a bass magnetic gap, each side magnetic structure comprises a lower side magnetic steel, a side washer and an upper side magnetic steel which are sequentially arranged from bottom to top, the lower side magnetic steel is connected with the lower yoke, and the upper side magnetic steel is connected with the upper yoke; the upper central magnetic steel is provided with a first installation through hole, and the upper yoke is provided with a first window communicated with the first installation through hole. The miniature loudspeaker is novel in structure, can realize ultra-thinness and treble and bass frequency division, is good in sound effect, and is suitable for electronic equipment with single-side sound production.

The miniature loudspeaker comprises a frame, a magnetic circuit assembly, a bass vibration assembly and a treble vibration assembly, the magnetic circuit assembly comprises a lower yoke, a central magnetic structure, a side magnetic structure, an upper yoke and a treble magnetic structure, and the central magnetic structure comprises a lower central magnetic steel, a central washer and an upper central magnetic steel which are sequentially arranged from bottom to top. The lower center magnetic steel is connected with the lower yoke, the upper center magnetic steel is connected with the upper yoke, the two opposite sides of the center magnetic structure are correspondingly provided with side magnetic structures respectively to form a bass magnetic gap, each side magnetic structure comprises a lower side magnetic steel, a side washer and an upper side magnetic steel which are sequentially arranged from bottom to top, the lower side magnetic steel is connected with the lower yoke, and the upper side magnetic steel is connected with the upper yoke; the lower center magnetic steel is provided with an installation through hole, the lower yoke is provided with a window communicated with the installation through hole, the high-pitch magnetic structure is arranged in the installation through hole, and a high-pitch magnetic gap is formed between the high-pitch magnetic structure and the lower center magnetic steel. The miniature loudspeaker is novel in structure, can realize ultra-thinness and treble and bass frequency division, and is good in sound effect.

This invention relates to a polyimide-doped silver nanowire polarizer and its preparation method, comprising: providing a polyimide solution-dispersed silver nanowire ink; starting a casting machine, coating the polyimide solution-dispersed silver nanowire ink onto a stainless steel strip of the casting machine, and drying it at a first temperature to obtain a polyimide-doped silver nanowire cast film; placing the polyimide-doped silver nanowire cast film in a heating and stretching device, and unidirectionally stretching it to 2-4 times its original size at a second temperature to obtain a polyimide-doped silver nanowire stretched film; placing the polyimide-doped silver nanowire stretched film in a tunnel-type imidization baking oven, and baking and curing it at a third temperature before winding it up to obtain a polyimide-doped silver nanowire polarizer. This method not only achieves large-area thin-film and ultra-thin production of metal wire grid polarizers, but also enables the use of thin-film polarizers in high-temperature polarizing devices. The process is simple and easy to industrialize.

The application discloses a display device, comprising an outer frame, a back cover, a liquid crystal display panel, a direct display panel and a first printed circuit board; the back cover is connected with the outer frame and encloses a first containing space; the liquid crystal display panel is arranged in the first containing space, and the liquid crystal display panel, a part of the back cover and the outer frame enclose a second containing space; the direct display panel is arranged on one side of the liquid crystal display panel; the first printed circuit board is arranged in the second containing space; and part of the direct display panel overlaps the first printed circuit board in the visual angle of the display device. The display area of the display device can be expanded, so that the display area of the display device is increased.

The utility model discloses an ultrathin physiotherapy lamp with a good heat dissipation effect, and belongs to the field of physiotherapy lamps. Comprising a shell, a lamp panel, a heat dissipation blowing fan and heat dissipation fins, the lamp panel, the heat dissipation blowing fan and the heat dissipation fins are all arranged in the shell, the heat dissipation blowing fan and the heat dissipation fins are all arranged below the lamp panel, and the heat dissipation fins are arranged on the side of the heat dissipation blowing fan; an air inlet is formed in the bottom wall of the shell, an air outlet is formed in the side wall of the shell, an air inlet part is arranged at the bottom of the heat dissipation blowing fan, an air outlet part is arranged on the side part of the heat dissipation blowing fan, and the air inlet part directly faces the air inlet; the cooling fins are attached to the lamp panel and arranged between the air outlet part and the air outlet. Compared with the prior art, the size of the physiotherapy lamp can be reduced, and the physiotherapy lamp is ultrathin; meanwhile, the air inlet formed in the bottom of the shell and the air outlet formed in the side portion of the shell are matched, bottom air inlet and side air outlet can be achieved, an air channel from the bottom to the side portion is formed in the shell, maximization of the air channel can be achieved, and the heat dissipation effect of the physiotherapy lamp is guaranteed.