40results about How to "Improve transmittance" patented technology

This invention provides an infrared thermal imaging method, relating to the field of infrared thermal imaging technology. The method utilizes a germanium infrared lens in an infrared thermal imaging system, whose surface is sequentially composed of subwavelength micro / nano structures and an anti-reflection film structure from the inside out. The infrared thermal imaging method includes: focusing target infrared radiation through the germanium infrared lens onto an infrared detection array; the infrared detection array converting the target infrared radiation into an electrical signal matrix; performing noise reduction and gain correction on the electrical signal matrix to obtain a preprocessed electrical signal matrix; performing temperature compensation on the preprocessed electrical signal matrix based on a temperature compensation formula and a transmittance temperature model to obtain a corrected signal matrix; and sequentially performing non-uniformity correction, image enhancement, and pseudo-color mapping on the corrected signal matrix before outputting and displaying the result. Using the method of this invention, higher transmittance, lower reflection loss, and more stable thermal imaging can be achieved.

The invention relates to a glass-based photoelectric volume pulse wave cover plate material as well as a preparation method and application thereof. The cover plate material comprises: a glass substrate; the annular structural part is embedded in the glass substrate; the annular structural member and the glass substrate are made of the same material; the glass substrate comprises the following components in percentage by mass: 0.1 wt%-0.2 wt% of BaO; 0.1 wt% to 0.6 wt% of PbO; 0.1 wt% to 0.7 wt% of Sb2O3; 25 wt%-61 wt% of SiO2; 16 wt% to 18 wt% of B2O3; 10 wt% to 15 wt% of Al2O3; 8 wt% to 12 wt% of R2O; wherein R2O is composed of Li2O, Na2O and K2O, and the content of K2O is smaller than that of Na2O. The technical problem to be solved is to provide the cover plate material with a large number of sensor optical channels, so that the cover plate material has high transmittance and high crosstalk resistance, a plurality of optical paths can be formed in the cover plate material, and the problems of scattering and the like in the light propagation process are reduced by selecting single glass with a specific formula, so that the light transmission efficiency is improved. The energy loss in the light ray propagation process is reduced, and the propagation distance of the light rays in the glass cover plate is increased; meanwhile, the glass cover plate also has higher mechanical strength.

The application relates to a mode filter, a topology optimization method and an ultrasonic guided wave damage imaging artifact suppression method, relates to the field of ultrasonic detection and imaging, and the topology optimization method comprises the following steps: acquiring initial design parameters, generating an initial population, each chromosome individual in the initial population is coded by a binary logic matrix representing material distribution and meeting design constraints; a population is optimized by using a genetic algorithm, an adaptability function in the genetic algorithm is constructed based on a mode purity index and an energy transmission index, the mode purity index is the ratio of in-plane displacement integral in a transmission area in finite element simulation with the mode filter to total displacement integral, and the energy transmission index is the ratio of relative energy at a transmission end in the finite element simulation with the mode filter to relative energy of an S0 mode; and final optimized material distribution of the mode filter is output. Compared with the prior art, the application has the advantages of effectively suppressing background artifacts, giving consideration to mode regulation performance and substrate structure integrity and the like.

This invention relates to the field of semiconductor material testing technology, specifically a single-crystal silicon wafer slip line detection system and method, comprising: a light source module emitting light signals of different wavelengths and polarization angles to scan the silicon wafer; a silicon wafer scanning module mounting the silicon wafer under test, adjusting the position of the silicon wafer under test, and executing a scanning trajectory to scan the silicon wafer with light signals; a signal acquisition and processing module receiving the light signals transmitted through the silicon wafer under test, performing preprocessing to obtain DU values ​​at different wavelengths and polarization angles, and sending them to an industrial control computer; the industrial control computer reconstructing the strain field based on the DU values ​​using a strain field reconstruction algorithm to generate a strain field distribution map; and identifying slip lines based on the strain field distribution map using a convolutional neural network model. This solution enables non-contact, non-destructive, and high-resolution slip line detection, thereby improving detection accuracy and efficiency.

This invention relates to the field of optical imaging technology, specifically providing an optical radar co-aperture off-axis imaging system, comprising: an off-axis mirror assembly, a frequency-splitting device, a radar transceiver system, and an optical imaging system. The frequency-splitting device is disposed in the rear optical path of the secondary mirror and is used to reflect light waves and transmit microwaves. The frequency-splitting device includes a frequency-selective surface, which comprises an FSS pattern layer and a bias line layer. The FSS pattern layer includes periodically arranged FSS units. Nonlinear capacitors are electrically connected to the FSS units. The bias line layer applies a voltage to the nonlinear capacitors according to the received microwave band. By changing the voltage applied to the nonlinear capacitors, the resonant frequency of the FSS units is tuned, thereby changing the microwave passband frequency of the frequency-splitting device. This invention not only achieves a reflective wave-transmitting microwave design but also solves the problem that transmitting only a single band of microwaves in microwave-transmitting and light-reflecting methods is difficult to adapt to different task requirements.

The utility model discloses a LCD projection structure with aspheric reflector, which comprises an LCD screen, a Fresnel lens, a projection lens and an aspheric reflector. The LCD screen is arranged on the front side of the Fresnel lens, the projection lens is arranged on the back side of the Fresnel lens, and the aspheric reflector is arranged between the Fresnel lens and the projection lens or on the back side of the projection lens. The aspheric reflector is arranged between the Fresnel lens and the projection lens or on the back side of the projection lens. The structure design utilizes the reflection characteristics of the aspheric reflector to change the propagation path of light, provides sufficient optimization freedom for the projection lens, and makes the projection lens not need to spend energy to deal with the optical correction problem. Therefore, all optimization resources can be concentrated on the improvement of picture quality and depth of field, so as to improve the quality of the projection picture.

The invention relates to the photovoltaic field, and provides a back contact battery and a manufacturing method thereof, a laminated battery and a photovoltaic module, and the back contact battery comprises a battery substrate which is provided with a first surface and a second surface which are opposite to each other; the isolating membrane is positioned on the first surface; the isolating membrane comprises at least two isolating units, the surface, far away from the first surface, of each isolating unit comprises a first area and a second area surrounding the first area, each isolating unit comprises a first part located in the first area and a second part located in the second area, the first part is provided with a groove sunken towards the battery substrate, and the edge, far away from the first part, of the second part is fluctuant; and an electrode on the second surface. The invention is at least beneficial to improving the light absorption and utilization rate of the back contact cell by means of the isolating membrane.

The utility model discloses a kind of solar water heaters of efficient heating, including inclined strut frame, vacuum tube, water inlet pipe, water outlet pipe, U-shaped tube, encapsulation jar, circulating pump, patch temperature sensor and heat-insulated water tank;Encapsulation jar is equipped with multiple pipe interfaces along its length direction, one end of vacuum tube is inserted into pipe interface, other end is connected with the bottom of inclined strut frame, the outer wall of vacuum tube is coated with light-transmitting coating, inner wall is coated with titanium nitride coating, U-shaped tube is attached in the inner wall of vacuum tube, U-shaped tube has water inlet and water outlet.The utility model is attached with U-shaped tube in the inner wall of vacuum tube, cooperate with the light-transmitting coating of vacuum tube outer wall and the titanium nitride coating of inner wall, can enhance photo-thermal conversion efficiency, reduce heat loss, effectively improve the heating efficiency of water flow;Water outlet pipe is equipped with patch temperature sensor, and is electrically connected with circulating pump, can automatically start circulating pump when water temperature reaches set value, to deliver hot water to heat-insulated water tank, effectively improve the utilization efficiency of heat energy.

The application relates to the photovoltaic field, and provides a photovoltaic module, a preparation method thereof and a photovoltaic device, which can at least improve the aesthetic degree and performance of the photovoltaic module. The photovoltaic module comprises a plurality of cell strings, a first cover plate, a second cover plate and a first adhesive film. The cell string comprises a plurality of cell pieces, and a first spacing area is arranged between adjacent cell strings; the first cover plate and the second cover plate are arranged on opposite sides of the plurality of cell strings; at least part of the first adhesive film is arranged between the second cover plate and the cell string; the first adhesive film comprises a first part and a second part; at least part of the first part overlaps with the first spacing area; at least part of the cell pieces is arranged on the second part; the first part is black; and the second part is white and / or transparent.

This application relates to the field of oxide target technology, specifically disclosing an ITZO target and its preparation method. The preparation method of the ITZO target includes the following steps: applying an In-containing... 3+ Sn 4+ Zn 2+ A complexing agent is added to the solution to obtain a mixed solution; the mixed solution is then added dropwise to an ammonia solution and aged to obtain a precursor precipitate; the precursor precipitate is then subjected to spray pyrolysis, cold isostatic pressing, and warm isostatic pressing to obtain an ITZO preform; the ITZO preform is then subjected to programmed temperature calcination and programmed temperature cooling to obtain an ITZO target. This application obtains a uniformly composed and highly dense ITZO target by dynamically controlling the composition of the mixed gas during the programmed temperature cooling process through two static pressing treatments; using this target, a transparent conductive film with high visible light transmittance and excellent electrical properties can be prepared by sputtering, solving the technical problems of uneven composition, low density, and poor quality of sputtered films in existing targets.

This application provides an optical system and a laser cutting device. The system includes a first focusing lens, a concave lens, and a focusing lens group arranged coaxially along a first direction. The first direction is the initial transmission direction of the light emitted by the target light source. The optical axis of the first focusing lens passes through the virtual focal point of the target light source. The virtual focal point is the point where the reverse rays of the light emitted by the target light source converge. The distance between the first focusing lens and the virtual focal point of the target light source is greater than the focal length of the first focusing lens. The concave lens is configured to change the distance between itself and the first focusing lens to adjust the aberration of the light emitted by the target light source. As the distance between the first focusing lens and the concave lens in the collimating lens group changes from far to near, the optical system exhibits the following trends: negative defocus beam convergence and tending towards a flat top, positive defocus dispersion and tending towards Gaussianization, then the distribution of positive and negative defocus beams becomes equal, and finally, negative defocus dispersion and tending towards Gaussianization, and positive defocus beam convergence and tending towards a flat top.

This invention relates to the field of biodegradable tabletop manufacturing technology, specifically to a biodegradable and environmentally friendly fiber tabletop and its manufacturing method, comprising: a substrate layer, wherein the substrate layer is provided with a moisture-proof sealing layer, a load-bearing reinforcement layer, a core layer, and an outer reinforcement layer from bottom to top; a functional coating, wherein the functional coating is applied to the top of the substrate layer, wherein the functional coating is provided with a substrate surface treatment layer, an antistatic layer, and a surface sealing coating from bottom to top; and a coating layer, wherein the coating layer is bonded to the top of the functional coating, wherein the coating layer is provided with a functional coating and a peelable protective film from bottom to top. This invention uses biodegradable natural fibers and bio-based resin to construct the substrate layer, the moisture-proof sealing layer to block moisture erosion, the ionic liquid antistatic layer to achieve stable static dissipation without electromagnetic interference, and the biodegradable conductive layer on the surface coating to ensure high X-ray transmittance. The entire material system is completely biodegradable after disposal, making it widely applicable in electronic laboratories and medical environments.

This invention discloses a high specific surface area mesoporous tin oxide powder and its preparation method. The method includes: dissolving a tin source in a mixed solvent of alcohol and deionized water, adding a ketone complexing agent and a nonionic dispersant, and stirring to form a tin-based complex precursor solution; then transferring the solution to a hydrothermal reactor for hydrothermal aging treatment, causing the precursor solution to hydrolyze and condense, forming gel particles in situ; after solid-liquid separation, washing with alternating anhydrous ethanol and dilute ammonia water, and drying to obtain the precursor powder; finally, performing staged heating calcination under an air-nitrogen mixed atmosphere, first removing organic components at low temperature, and then completing the crystal phase transformation at high temperature to obtain rutile phase SnO2 powder. The powder has an average particle size of 8–15 nm and a specific surface area of ​​85–110 m² / g. 2 The powder has a pergola size of 3–6 nm and good dispersibility. This invention effectively suppresses grain agglomeration through complexation regulation, hydrothermal-sol-gel coupling, and gradient atmosphere calcination. The prepared powder is suitable for applications such as gas sensors, lithium-ion battery anodes, or transparent conductive films.

The application discloses a high-transmittance flexible transparent conductive film based on a double-sided antireflection technology and a preparation method thereof. A SiO2 2D photonic crystal antireflection layer is prepared on a polymer substrate surface of the flexible transparent conductive film by using a gas-liquid interface self-assembly method, and a high-molecular doped metal oxide antireflection layer is prepared on a transparent conductive layer surface by using a solution spin coating method, so that the reflectivity of incident light on the polymer substrate surface and the reflectivity of outgoing light on the transparent conductive layer surface are simultaneously reduced. The average transmittance of the flexible transparent conductive film is increased by 10%, the obtained high-transmittance flexible transparent conductive film has good mechanical bending performance, the vacuum and high-temperature annealing process is avoided in the preparation process, and the preparation of a large-area high-transmittance flexible transparent conductive film is facilitated.

The utility model relates to a kind of double self-locking button switch, including shell, the base fixed in the lower end of shell, button and spring seat being movably matched in the upper side of shell and being movably set in shell and being connected with button, self-locking mechanism is equipped in the left and right sides of spring seat, static contact piece is fixedly connected on base, installation slot is opened in spring seat, dynamic contact piece is slidably matched in installation slot, abutting spring for holding dynamic contact piece downward is further equipped in installation slot and located above dynamic contact piece, LED circuit board is fixedly arranged on the upper side of spring seat, LED circuit board is equipped with the LED lamp bead located in the lower part of button, abutting spring is electrically connected with LED circuit board, the utility model directly utilizes abutting spring and directly electrically connected with LED circuit board, reduces the number of components, reduces manufacturing cost and structural complexity, when dynamic contact piece and static contact piece abut, circuit conduction LED lamp bead emits light, so that user can more intuitively understand the working state of button switch.

This invention discloses a broadband infrared polarizer based on a germanium substrate and its fabrication method, belonging to the field of infrared optical device technology. The polarizer comprises a germanium substrate, a buffer layer, an ultrathin metal thin film layer, a dielectric spacer layer, a two-dimensional material metal composite metasurface layer, and a dielectric protective layer, stacked sequentially. An infrared antireflection coating is provided on the surface of the germanium substrate. The ultrathin metal thin film layer serves as a transparent electrode, and the two-dimensional material metal composite metasurface layer contains a metal nanoantenna array and a two-dimensional material layer covering it. By precisely designing the thickness of the dielectric spacer layer, a resonance enhancement effect is formed in the infrared band, improving the polarization extinction ratio and operating bandwidth. This invention also provides a corresponding fabrication method with strong process compatibility, suitable for mass production. This polarizer exhibits high transmittance, wide-band operation, high extinction ratio, and electrical tuning capability in the 412-micron band, making it suitable for systems such as infrared imaging, spectral detection, and free-space optical communication.

This invention relates to a near-infrared shielded thermochromic smart window and its fabrication method, belonging to the fields of radiative cooling and smart windows. The invention aims to solve the problems of high near-infrared transmittance and low mid- and far-infrared thermal radiation modulation amplitude in existing thermochromic smart windows. The near-infrared shielded thermochromic smart window comprises, from bottom to top, a substrate, a hyperbolic metamaterial structure, a first oxide dielectric layer, and a VO2 metasurface layer. The fabrication method includes: 1. Cleaning the substrate; 2. Fabrication of the hyperbolic metamaterial structure; 3. Fabrication of the first oxide dielectric layer; 4. Fabrication of the VO2 metasurface layer. This invention relates to a near-infrared shielded thermochromic smart window and its fabrication method.

The application provides a liquid crystal display panel and a display device. The liquid crystal display panel comprises at least a plurality of sub-pixels, liquid crystal molecules and an alignment film. The plurality of sub-pixels comprises a plurality of domains and a junction area between adjacent domains, the adjacent domains have a symmetry axis, the liquid crystal molecules are distributed in the plurality of domains and the junction area, and the alignment film is arranged in the plurality of domains and the junction area. The alignment film has an alignment structure in the junction area, the alignment structure is symmetrically arranged about the symmetry axis, and the alignment structure can fix the orientation of the liquid crystal molecules in the junction area. Therefore, the liquid crystal molecules in the junction area between the adjacent domains are arranged in a fixed orientation, and the light transmittance is improved.

This invention discloses a PVA optical film, its preparation method, and a high-transmittance, high-polarization polarizer, belonging to the field of PVA optical film manufacturing technology. This invention achieves this by controlling the in-plane refractive index difference ΔN of the PVA optical film. xy 1×10 ‑4 ~20×10 ‑4 The equilibrium swelling degree is 180% to 220%, and the average swelling rate is 90% to 110% / min. This gives the PVA optical film a pre-oriented molecular chain structure and increases the number of physical entanglement points in the crystal. Compared with the method of increasing the molecular weight of PVA optical film, the PVA optical film of the present invention can form more oriented polyiodide ions during the downstream stretching process of preparing polarizers, increasing the number of oriented polyiodide ions, reducing the content of random molecular chains, and reducing the orientation relaxation caused by molecular chain movement. This can simultaneously and greatly improve the polarization degree and transmittance of the polarizer.

Provided is a liquid crystal display device capable of achieving high-speed response, high transmittance and contrast, and excellent viewing angle characteristics in both rising and falling. The liquid crystal display device performs color display in a plurality of subframe periods included in one frame period by field sequential driving, and includes: a liquid crystal display panel; a light source that irradiates the liquid crystal display panel with light of a plurality of colors; and a controller that drives the light source so that light of the plurality of colors is irradiated to the liquid crystal display panel in time division, the liquid crystal display panel successively having: a first substrate having a pixel electrode, a first alignment film, a liquid crystal layer, a second alignment film, and a second substrate having a common electrode, the liquid crystal layer having a first domain and a second domain in which alignment vectors are different from each other when no voltage is applied, when the alignment vectors are defined with a long axis end portion of the first substrate side of the liquid crystal molecules as a start point and a long axis end portion of the second substrate side as an end point.

This invention provides a full-spectrum chalcogenide optical glass, its preparation method, and optical elements. The chalcogenide optical glass comprises, by molar percentage: S: 53–67 mol%, preferably 54–66 mol%; Ga: 6–23 mol%, preferably 8–20 mol%; Sb: 6–28 mol%, preferably 10–24 mol%; CsX: 0–18 mol%, preferably 4–16 mol%, wherein X in CsX represents a halogen, preferably Cl, Br, or I. The chalcogenide optical glass provided by this invention has a transmittance range covering 0.5–14.5 μm, with a transmittance of over 58% in the 8–12 μm range, covering four atmospheric windows: visible, near-infrared, mid-infrared, and far-infrared. It exhibits good glass-forming properties and chemical stability, broadening its applications in three-spectrum full-spectrum imaging, detection, and sensing.

The utility model relates to a kind of optical waveguide with double-sided coupling-out structure. Including: waveguide substrate, coupling-in unit, first coupling-out unit and second coupling-out unit, coupling-in unit and first coupling-out unit are located in the first surface of waveguide substrate, second coupling-out unit is set in the second surface of waveguide substrate opposite to first coupling-out unit, and second coupling-out unit is high-reflection-efficiency diffraction structure.Coupling-in unit is configured to couple image light into the waveguide substrate, part of the image light is diffracted by the first coupling-out unit, and the remaining light is reflected by the second coupling-out unit when it reaches the second coupling-out unit.

The present application provides a kind of reflecting film, windshield and head-up display system, the reflecting film has high visible light transmittance and can improve the brightness of display image, the transparency of appearance tone is good.The reflecting film has selective reflection layer, the selective reflection layer has the cholesteric liquid crystal layer formed by fixed cholesteric liquid crystal phase, in each range of the range of wavelength 400nm above and less than 500nm and the range of wavelength 500nm above and less than 600nm, the maximum value of natural light reflectance is 10%~25%, the difference between the maximum maximum value and the minimum minimum value is 3% or more, the added value of wavelength band of the region higher than the average of maximum value and minimum value is 20nm~80nm, in the range of wavelength 600nm above and 800nm below, the maximum value of natural light reflectance is 10%~25%, the added value of wavelength band of the region higher than the average of maximum value and minimum value is 120nm or more.

The application discloses a display panel and a display device, and relates to the technical field of display panels, and specifically discloses a display panel and a display device, wherein the display panel comprises a display area and a first area in the display area; the display area comprises a substrate, a pixel definition layer, a plurality of light emitting elements and a light shielding layer arranged in sequence, the pixel definition layer has a plurality of first openings, the light shielding layer has a plurality of second openings, and the light emitting elements are located in the first openings; the light shielding layer in the first area further has at least one third opening; along a first direction, the second openings overlap the first openings, and the third openings do not overlap the first openings, and the first direction is parallel to the film layer stacking direction in the display area. In the application, the display area comprises the first area, the light shielding layer in the first area has at least one third opening; along the first direction, the third openings do not overlap the first openings, the third openings are structures that do not block light, the transmittance of the first area can be increased, the visible light reflectance of the first area has a small increase, the third openings will not cause the first area to have a serious dark state visual effect, and a full-screen display is realized.

The utility model belongs to solar heating technology field, specifically disclose a box body light -concentrating type solar medium temperature heat collector, the utility model discloses a sealed box body of one side glass cover, the bottom and the side surface of box body are equipped with heat preservation layer, be equipped with upper flow collecting pipe and lower flow collecting pipe in the box body, be equipped with at least two fin heat absorption unit between heat preservation layer and glass cover, the both ends of fin heat absorption unit are connected with the upper flow collecting pipe and lower flow collecting pipe of the intercommunication box body respectively, fin heat absorption unit includes fin adsorption pipe and reflector, and fin adsorption pipe sets up at the light -concentration of reflector surface. The utility model discloses the synergistic effect of metal light -concentrating structure and straight -through type flow channel design, can realize the stable output of medium temperature, improve the pressure intensity of system output, improved the reliability of medium temperature pressure bearing. The utility model can be widely applied to the light -heat conversion field of solar energy.

The present application provides an optical glass, a preparation method thereof and an optical element, the optical glass comprising the following composition in terms of cationic mole percentage: Si 4+ : 0~6%; B 3+ : 40~50%; La 3+ : 15~25%; Y 3+ : 0~5%; Ti 4+ : 4.5~8.5%; Nb 5+ : 0~5%; W 6+ : 0~2%; Zr 4+ : 0~5%; Zn 2+ : 10.5~16.5%; Li + : 2~5%; Na + : 0~5%; K + : 0~5%; Sb 3+ : 0~0.1%; the optical glass has a refractive index n d of 1.85~1.88, an Abbe number υ d of 32~36, and a transition temperature Tg lower than 600℃. The optical glass provided by the present application has low density, high transmittance, and good processability and stability.

This invention relates to the field of multilayer curable base film technology, specifically to the online coating of polyester optically curable base films and its preparation method. This invention overcomes the problem in existing technologies where the adhesion and optical performance of the curable base film cannot be simultaneously achieved. First, this invention obtains core-shell structured functional particles by modifying in-situ polymethyl methacrylate with nano-silica; second, it obtains modified PET by melt blending optical-grade PET chips; finally, it melts the functional particles and modified PET to obtain an anti-adhesion masterbatch, prepares a composite base film through three-layer co-extrusion and biaxial stretching, coats it with a functional coating liquid, cures it stepwise to form a curing layer, and then heat-sets it to obtain the optically curable base film. Through base film modification, functional particle core-shell design, three-layer co-extrusion structure, and the synergistic effect of coating and process, this invention produces a polyester optically curable base film that combines high optical performance and good coating adhesion, applicable to release protection in the electronics field, decoration in the home appliance field, and other fields.

This invention relates to a fluorescence down-conversion-based ultraviolet-enhanced CMOS image sensor and its fabrication method, belonging to the field of ultraviolet photoelectric detection technology. The image sensor comprises a CMOS image sensor and a down-conversion nanomaterial layer. The down-conversion nanomaterial layer is a benzene thin film deposited on the image-sensitive surface of the CMOS image sensor; the benzene thin film of the fluorescence down-conversion material layer has a thickness of 290 nm. This invention utilizes a low-cost fluorescence down-conversion material to achieve ultraviolet-to-visible light conversion. The emitted visible light can be well matched with the spectral response peak of the CMOS image sensor, improving the CMOS image sensor's response capability in the ultraviolet band. The down-conversion material in this invention possesses high light conversion efficiency, excellent thermal and light stability, and excellent transmittance in the visible and infrared regions. The thin film prepared by thermal evaporation exhibits better uniformity.

This disclosure relates to a transparent display device, comprising: a substrate having a plurality of emitting regions and a plurality of transparent regions spaced apart from each other; a light-emitting element located at the emitting regions; an encapsulation layer located on the light-emitting element; a first wiring layer and a second wiring layer disposed on the encapsulation layer and located at different layers; a touch buffer layer located between the encapsulation layer and the first wiring layer; a touch intermediate insulating layer disposed between the first wiring layer and the second wiring layer; a first protective layer located on the second wiring layer; an external light reflection prevention layer disposed on the first protective layer and including a light-shielding layer and a color filter layer; and a second protective layer disposed at the plurality of emitting regions on the external light reflection prevention layer and at the plurality of transparent regions on the encapsulation layer.

The application relates to the field of optical films, and specifically discloses a 360-degree privacy film, which comprises a first substrate layer, a structure layer and a second substrate layer arranged in sequence, the structure layer comprises transmission blocks arranged along three directions, the transmission blocks arranged along the same direction are parallel to each other, the interval between two adjacent transmission blocks arranged along the same direction is equal, the included angle between the transmission block and the transmission block arranged along the other two directions is 60 degrees, the transmission block is made of a light-transmitting material, a containing groove is formed between the transmission blocks, and a light-blocking material is arranged in the containing groove. The application has the effect of improving the defect that the light control range of the privacy film is limited.