17results about How to "Achieve ultra-thin" patented technology

The invention discloses a manufacturing method of a light-weight uniform-light-emitting vehicle logo. The manufacturing method comprises the following steps that 1, product surface patterns, colors, circuits and touch points are printed on a polycarbonate flexible membrane; step 2, pasting an electronic element and an LED lamp bead on a touch point on the front surface or the side surface of the polycarbonate flexible diaphragm through a microwave single-mode resonant cavity; 3, the printed polycarbonate flexible membrane is put into a high-pressure forming mold, and the 3D flexible lamp panel in the needed shape is manufactured; 4, an upper shell is subjected to injection molding firstly, and if the light-emitting vehicle logo emits light positively, a light uniformizing layer is arranged in the PC or PMMA upper shell; if the light-emitting vehicle logo emits light laterally, a light uniformizing layer, a light guide plate and a reflector plate are sequentially arranged in the PC or PMMA upper shell; then the lamp panel is subjected to reinforcement treatment, the upper shell is subjected to injection molding, and finally the vehicle logo upper shell and the vehicle logo lower shell are subjected to integrated injection molding. The light-emitting vehicle logo prepared by the method is uniform in light emitting, the thickness of parts can be as low as 5mm, and the weight can be reduced by 60-87.5%.

The invention provides a dodging structural plate, an optical module and a display device. The light-uniformizing structural plate comprises a structural plate body, the structural plate body comprises a first surface and a second surface which are oppositely arranged, the light-emitting substrate comprises a substrate and a plurality of light-emitting elements arranged on the substrate, and the first surface of the light-uniformizing structural plate is used for being attached to the side, facing the light-emitting elements, of the substrate; a plurality of first grooves are formed in the first surface, the cross section area of each first groove is gradually reduced in the depth direction of the first groove, and when the first surface is attached to the light-emitting substrate, orthographic projections of the light-emitting elements on the substrate are located in the first grooves; a plurality of second grooves are formed in the second surface, the cross section areas of the second grooves are gradually reduced in the depth direction of the second grooves, and the density of the second grooves is larger than that of the first grooves. The optical module adopting the dodging structural plate disclosed by the invention has smaller thickness and better dodging effect, is beneficial to realizing ultra-thinness, and reduces the cost.

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 present invention belongs to the technical field of fuel cell gas diffusion layer. The present invention provides a carbon fiber paper and a preparation method thereof. Acrylonitrile-N-4-pyridyl-2-acrylamide copolymer and N,N-dimethylformamide are mixed to obtain an electrostatic spinning solution; the electrostatic spinning solution is electrostatically spun to obtain a polyacrylonitrile-based non-woven felt; the polyacrylonitrile-based non-woven felt is pre-oxidized to obtain a polyacrylonitrile-based pre-oxidized felt; the polyacrylonitrile-based pre-oxidized felt is impregnated in a resin solution and then dried, hot-pressed, carbonized, and graphitized to obtain carbon fiber paper. The present invention also provides the application of carbon fiber paper in the gas diffusion layer of a proton exchange membrane fuel cell. The present invention adopts electrostatic spinning technology to prepare polyacrylonitrile-based non-woven felts of different thicknesses, realizes ultra-thin and controllable preparation of the thickness of carbon fiber paper, and the carbon fiber paper of the present invention has excellent conductivity, so that it has a good effect in a proton exchange membrane fuel cell.

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 present disclosure provides a display panel and a display device, which relate to the field of display technology. The display panel includes: a substrate and a display substrate, the display substrate is formed with a storage capacitor; the display substrate includes a driving layer and a light-emitting layer, the driving layer is located between the substrate and the light-emitting layer, the driving layer includes a pixel circuit and a switch circuit distributed at intervals, and the light-emitting layer includes a light-emitting device and a photosensitive device distributed at intervals; the pixel circuit is connected to the light-emitting device, the first end of the photosensitive device is respectively connected to the first end of the switch circuit and the first end of the storage capacitor, the second end of the photosensitive device and the second end of the storage capacitor are both used to load a constant voltage signal, the second end of the switch circuit is used to connect to the signal acquisition circuit, and the control end of the switch circuit is used to load a control signal. In the embodiment of the present disclosure, by integrating the photosensitive device and the storage capacitor in the display substrate at the same time, the film layer structure can be simplified, and the ultra-thin display panel can be achieved.

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.

The application relates to the field of display module design, and provides a preparation process of a full-flip COB mirror display module and a laser cutting machine, wherein the preparation process comprises the following steps: S1, incoming inspection of a PCB substrate; S2, fixed-pointing of full-flip RGB LED chips on the PCB substrate; S3, reflow soldering of the chips in nitrogen; S4, vacuum mold encapsulation of a COB display layer; S5, fine cutting of a process edge of the PCB substrate; S6, cleaning and plasma activation of super-thin glass; S7, mutual adhesion of the super-thin glass and a mirror high-light encapsulation layer through an OCA optical adhesive layer; S8, high-pressure defoaming treatment; S9, laser cutting; S10, fine polishing of an edge of the super-thin glass; S11, annular sealing point gluing at a joint between the super-thin glass and the PCB substrate, constant-temperature solidification, and preparation of a COB display module; S12, full inspection testing; and S13, repair of defective products. Therefore, the problems of easy edge collapse, low precision and poor yield of existing processes can be solved, and the synchronization of the COB display module thinning, super-high splicing precision, high mirror quality and high yield in mass production can be realized.

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 utility model relates to the technical field of preparation electrolyte membrane, especially a kind of extrusion flat plate coating equipment for preparing solid electrolyte membrane, including equipment main body, equipment main body is equipped with slurry supply unit, extrusion coating unit, gauge control system, multistage drying unit and peeling and winding unit, slurry supply unit is set to one side of extrusion coating unit, the screw pump of slurry supply unit is communicated with the coating die of extrusion coating unit, multistage drying unit is set to the discharge side of extrusion coating unit, the gauge probe of gauge control system is set in multistage drying unit inside, peeling and winding unit is set to the discharge side of multistage drying unit.The utility model can realize the continuous, efficient, stable production of solid electrolyte membrane, the prepared membrane piece uniformity, no defect, high density, and excellent mechanical property.

The present invention provides an optical system, a lens module and an electronic device, wherein the electronic device comprises, from the object side to the image side along the optical axis direction: a first lens having a positive refractive power, the object side surface of the first lens at the near optical axis and near the circumference is a convex surface, and the image side surface of the first lens at the near optical axis is a convex surface; a second lens having a negative refractive power, and the image side surface of the second lens at the near optical axis and near the circumference is a concave surface; a third lens; a fourth lens; a fifth lens having a negative refractive power; a sixth lens; the optical system satisfies the conditional formula: f14 / f≤1.5; TTL / f≤1; wherein f14 is the combined focal length of the first lens, the second lens, the third lens and the fourth lens, f is the effective focal length of the optical system, and TTL is the distance from the object side surface of the first lens to the imaging surface of the optical system on the optical axis. Through the above arrangement, the light is smoothly transitioned, so that the optical system has a telephoto characteristic, and the overall length of the optical system is small, so that ultra-thinness is achieved.

The invention belongs to the technical field of adhesive tape preparation, and discloses an ultra-thin Teflon film adhesive tape preparation process, which comprises the following preparation steps: S1, raw material preparation and ultra-thin treatment, and raw material selection and pretreatment: selecting a Teflon turning film with the purity of more than or equal to 99.5% as a base material; through the chemical vapor deposition (CVD) technology, a layer of thin film with a special function, such as a carbon nanotube film or an aluminum oxide film, is deposited on the surface of the Teflon film, and the mechanical property, chemical resistance and wear resistance of the Teflon film can be remarkably enhanced through the thin film, so that the overall performance of the adhesive tape is improved; and by introducing an electrochemical etching and polishing technology, redundant materials on the surface of the Teflon film are removed, the ultrathin effect is achieved, the surface is further smoothed, the uniformity and smoothness of the film are ensured, the adhesive force and the use performance of the adhesive tape are improved, ultrathin and smooth treatment of the Teflon film is achieved, material waste and the defective rate are reduced, and the production cost is reduced. And the production efficiency and the product quality are improved.

The invention discloses a digital detection and display integrated low-light movement and a low-light night vision device. The low-light movement comprises a low-light image sensor, a digital image processing circuit module, a micro display screen and a PCB, the low-light image sensor is welded on the front surface of the PCB; the digital image processing circuit module is welded on the back surface of the PCB and is connected with the low-light image sensor through internal wiring of the PCB; the micro display screen is mounted on the back surface of the PCB and is connected with the digital image processing circuit module through internal wiring of the PCB; the low-light image sensor is used for receiving an optical signal in an observation environment and converting the optical signal into a digital signal; the digital image processing circuit module is used for processing the digital signal and then outputting a digital video signal to the micro display screen; the miniature display screen is used for converting the digital video signals into optical signals and outputting the optical signals. The low-light-level movement provided by the scheme of the invention can better meet the application requirements of miniaturization, light weight and digitization.

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.