1811 results about "Optic lens" patented technology

The invention discloses an online monitoring method and system for the light transmittance of an optical lens, and relates to the technical field of precise optical detection. The objective of the invention is to solve the problem of large light transmittance calculation error caused by halo scattering noise interference, low optical path calibration precision of a complex curved lens, a measurement blind area of a large-aperture lens and environmental disturbance of a high-reflection / high-light-transmittance lens in the prior art. According to the scheme, a three-dimensional curved surface model is constructed based on Gray code structured light projection and ICP registration, a dynamic partition scanning instruction set is generated through an improved genetic algorithm, and multi-wavelength polarized light is driven to scan and collect multi-dimensional data; specular reflection and scattering noise are suppressed by combining an improved Stokes vector algorithm and an attention mechanism U-Net network, and the data precision of the complex curved surface is improved by adopting Bayesian optimization and Zernike polynomial weighted fusion; constructing a double-loop coupling optimization architecture to realize closed-loop adaptive optimization; according to the invention, the anti-interference capability, the complex lens adaptability and the full-aperture detection precision are obviously improved.

The invention discloses an optical lens force-position collaborative adjustment method based on a neural network, and relates to the technical field of reflective optical lens assembly, and the method comprises the steps: building a reflective optical system lens model, carrying out the circulation simulation, and outputting a lens simulation result; sorting lens simulation results, constructing an assembly force-assembly error data set, constructing an assembly error prediction model, and training and storing the assembly force-assembly error data set to obtain a target assembly error prediction model; detecting the Zernike coefficient of the current lens, calculating to obtain the target misalignment amount of the lens, and taking the assembly force combination applied by the current lens as the input of the target neural network model to obtain the assembly pose error of the current lens; and compensating the assembly pose error on the basis of the target misalignment amount to obtain an actual adjustment amount, and completing the force-position cooperative control of the reflective optical system. According to the invention, the automation degree of the installation and adjustment process is improved and the lens installation and adjustment precision is improved by adopting the optical lens force-position collaborative installation and adjustment method based on the neural network.

The invention relates to the technical field of optical elements, and discloses a fog display point diffusion optical system and a preparation method thereof, and the preparation method comprises the steps: obtaining user visual parameters, and building a visual behavior probability density model through kernel density estimation; designing the front surface of the lens based on the model, and generating an asymmetric defocus system coupled with a gazing habit; the rear surface of the lens is designed, and the distribution density of a fog display point diffusion unit is cooperatively modulated by the front surface defocusing amount, the fixation probability and the pupil diameter; and finally integrating front and rear surface design to form an optical lens body. According to the method, the asymmetric defocus field on the front surface and the fog display point diffusion field on the rear surface are subjected to collaborative design, and the defocus intensity and the contrast modulation intensity are accurately applied to the effective retina area of the user through the visual behavior probability density model; the technical problem that a traditional out-of-focus lens is fixed in signal and cannot adapt to individual staring habits and physiological parameter changes is solved.

The invention relates to the technical field of optical lens clamp spectacle frames, in particular to a three-jaw clamp spectacle frame capable of adjusting load of optical lenses. According to the technical scheme, the miniature three-jaw clamp comprises a miniature three-jaw clamp chuck, the miniature three-jaw clamp chuck comprises a chuck body with a round hole in the middle, three annular and uniform claws are slidably mounted on the end face of the chuck body, and polyurethane gaskets are mounted on the inner sides of the claws. A driving mechanism for driving the three claws to synchronously and radially move is arranged on the chuck body; the lens angle-adjustable lens bracket is used for mounting and supporting the micro three-jaw clamp chuck, the lens bracket comprises a three-jaw clamp fixing plate, and a chuck positioning groove and a chuck positioning hole communicated with the chuck positioning groove are formed in the three-jaw clamp fixing plate. According to the invention, through deep fusion of the self-centering symmetric clamping structure and optical adjustment requirements, a lens fixing solution which is more efficient, more reliable and higher in universality is provided for the field of precision optics.

Optical lens intended to be worn by a wearer An optical lens intended to be worn by a wearer comprising: —a refraction area having a refractive power based on a prescription for said eye of the wearer; —a plurality of optical elements having a transparent optical function of not focusing an image on the retina of the eye of the wearer when the optical lens is worn in standard wearing conditions, —a zone of interest comprising a subset of the optical elements, each optical elements in the subset bearing a cylinder component on its surface, wherein the zone of interest is of at least 50 mm2, and the standard deviation of the orientations of the cylinder axis of each optical element comprised in the zone of interest is smaller than or equal to 15° with respect to a common predefined direction.

The invention relates to the field of optical lens coatings, and particularly discloses a preparation method of an antifouling and antibacterial spectacle lens coating. The preparation method of the antifouling and antibacterial spectacle lens coating comprises the following steps: depositing a silicon dioxide substrate on the surface of a lens through plasma enhanced chemical vapor deposition treatment; the preparation method comprises the following steps: dispersing nano-graphene and nano-silver particles in an ethanol solvent, adding a silane coupling agent to form a homogeneous suspension, loading the suspension on the surface of a silicon dioxide substrate through a spin-coating method, and carrying out heat treatment curing to form an antibacterial layer, with the loading amount of nano-silver being less than or equal to 0.5 wt%; and etching the surface of the antibacterial layer by adopting a reactive ion etching method, and then grafting perfluorooctyltriethoxysilane on the etched surface at 80-100 DEG C by adopting a vapor deposition method to form the hydrophobic layer. The preparation method of the antifouling and antibacterial spectacle lens coating has the advantages of being antibacterial, antifouling and high in durability.

The invention discloses an optical lens coating defect detection method based on image detection, and relates to the technical field of image processing, and the method comprises the steps: collecting a multi-illumination multi-band reflection image of a lens, carrying out dark white field and distortion correction to form a correction image, carrying out the segmentation and pose solving of the correction image, then carrying out the curved surface expansion remapping, and carrying out the image processing. A reflection observation sequence is formed according to channel stacking, a judgment threshold value is calculated based on the white field image and the dark field image, and pixel positions meeting the judgment threshold value are marked as low credibility and converged to generate a quality mask; coating reflection representation fitting is carried out on the reflection observation sequence, binary weighting is carried out according to a quality mask, range and continuity checking is carried out on a fitting result to obtain a credible mark, and an ideal reflection response is synthesized according to the credible mark. According to the method, ideal reflection response and residual error construction are performed on the reflection observation sequence, so that separation characterization of imaging disturbance and real coating abnormality is realized.

A lithium battery detection device based on BB optical pump magnetic imaging comprises a magnetic shielding cylinder and a substrate arranged in the magnetic shielding cylinder, and a laser, an optical lens system, an atomic gas chamber system, an array lens and an array photoelectric detector are sequentially arranged on the working face of the substrate from left to right; the atomic gas chamber system contains alkali metal atoms and buffer gas; a non-magnetic objective table for placing a lithium battery to be tested is arranged above the atomic gas chamber; according to the device, the array lens is adopted to split and focus a single beam of detection laser into small light spots which are respectively irradiated on different photoelectric detectors, and magnetic field information of a plurality of space point locations is detected at one time, so that the consistency and imaging quality of a subsystem are improved, and the system cost is saved.

The utility model discloses a material taking and placing tool for optical lens processing, which comprises a workbench, one side of the workbench is provided with a positioning base in a bolting way, the upper part of the positioning base is rotatably provided with a mounting seat, the lower part of the mounting seat is movably provided with a mounting disc, the bottom of the mounting disc is communicated with a sucking disc, and the sucking disc is provided with a clamping groove. And an air pump is bolted at the upper part of the mounting seat corresponding to the sucker. The purposes of air suction and air supply are achieved through work of an arranged air pump according to the use condition of a suction cup, so that the purposes of grabbing and placing the optical lens are better and more accurately achieved, the purpose of discharging during optical lens machining is achieved, meanwhile, the surface of the optical lens is cleaned through a cleaning brush installed at the bottom of a first cleaning base, and the cleaning efficiency is improved. And meanwhile, the mounting base is rotated to enable the position, corresponding to the water supplementing cylinder, of the suction cup to be pressed downwards, the water supplementing cylinder makes contact with the cleaning sponge to complete cleaning work on the suction cup, and the adsorption strength of the suction cup to the optical lens can also be kept.

The utility model discloses a double-groove ultrasonic cleaning device for optical lenses, which belongs to the technical field of optical lens processing, and comprises two cleaning grooves arranged side by side, an ultrasonic vibration plate and an ultrasonic generator, a displacement component is arranged above the cleaning grooves, and a connecting rod is connected onto the displacement component. The connecting rod is connected with a cleaning frame for placing a lens, and the displacement assembly is used for driving the cleaning frame to move up and down and left and right. The cleaning frame can be driven to conduct ultrasonic cleaning operation in the two cleaning tanks, the displacement assembly drives the cleaning frame to meet the requirement for slow pulling dehydration, the labor intensity of workers is reduced, and the lens cleaning efficiency is improved; double-groove ultrasonic cleaning can be conveniently carried out on the optical lens, and the machining requirements of different lenses are met; and the inclined middle plate is arranged between the two cleaning tanks, so that the mixing of solutions in the two cleaning tanks caused by the movement of the cleaning frame is reduced, and the cleaning effect in each tank is ensured.

The invention belongs to the technical field of optical lens production, and particularly relates to an optical lens dust removal device which adopts a cleaning mode of combining non-woven fabric and dust-sticking paper, and a non-woven fabric roll has better water absorption and flexibility, so that dust and stains on the surface of a lens can be preliminarily wiped, and hidden dust can be removed. The dust-sticking paper roll can further stick and remove tiny dust left after the non-woven fabric roll wipes the lens, it is ensured that the surface of the lens is highly clean, the spray head sprays cleaning liquid before the non-woven fabric wipes the lens, the cleaning effect is further enhanced, the negative ion fan can neutralize static electricity on the surface of the lens, dust adsorption is reduced, and the service life of the lens is prolonged. Meanwhile, the equipment is matched with a conveying belt, a clamping block and a conveying stand-by device, automatic conveying, cleaning and output of the lenses are achieved, an operator only needs to place the lenses to be dedusted on a placing table, after the equipment is started, the subsequent conveying, cleaning and conveying processes can be automatically completed, and the workload of manual operation is greatly reduced.

The invention belongs to the technical field of optical lenses. The invention relates to a butterfly pupil escape compound eye bionic high-color-gamut nylon sunglass lens which comprises a lens body and a coating. Wherein the lenses are made of nylon resin; the coating is prepared from the following raw materials in parts by weight: 25 to 40 parts of tetraethoxysilane; 10 to 20 parts of phenyl trimethoxy silane; 4.0 to 8.0 parts of dimethyl dimethoxy silane; 2.0 to 4.0 parts of an MOF color enhancing agent; 20 to 30 parts of isopropanol; 11 to 22 parts of deionized water; and 1.0-3.0 parts of glacial acetic acid. A coating is prepared from a self-made MOF color enhancing agent through molecular design through formula optimization design, and the nylon resin lens is coated with the coating, so that the butterfly pupil escape compound eye bionic high-color-gamut nylon sunglasses lens is obtained. The butterfly pupil escape compound eye bionic high-color-gamut nylon sunglass lens effectively solves the problem that the color identification degree is low after the butterfly pupil escape compound eye bionic high-color-gamut nylon sunglass lens is blocked by 45-90% of light rays at present.

The utility model relates to a high-precision transmission sighting window capable of being used in a wide-temperature environment. The high-precision transmission sighting window comprises a lens barrel, an optical lens, an optical lens mounting pressure plate and an outer flange connecting disc, two optical lenses are arranged in the lens barrel in parallel, a nitrogen hollow cavity is formed by the lens barrel and the two optical lenses arranged in parallel, the optical lens installation pressing plate is installed on the peripheries of the optical lenses in a pressing mode, the optical lenses are connected in the lens barrel in a pressing mode, and outer flange connecting discs are coaxially installed on the two sides of the lens barrel. According to the utility model, the optical lens, the nitrogen filled in the nitrogen hollow cavity and the heating tape structure are adopted, so that a stable and high-precision visual sighting window is provided for orientation equipment, and the orientation precision or attitude measurement precision of the orientation equipment is ensured.

The invention relates to the field of optical elements, in particular to a coating method of a high-precision intense laser optical lens. The film coating method comprises the following steps: step 1, substrate pretreatment; step 2, surface activation; 3, a preparation stage; step 4, coating treatment; and step 5, post-processing. According to the method disclosed by the invention, the problems of adhesive force, uniformity, damage resistance and the like of a traditional method in strong laser lens coating are solved through fusion of double-plasma cooperation and a self-adaptive gradient composite coating technology. The method provided by the invention can be used for customized production for different laser scenes, and is suitable for high-end fields such as high-energy laser industry, quantum calculation, infrared imaging and the like.

The invention discloses a polymer resin and a preparation method thereof, an optical lens and intelligent glasses, and relates to the technical field of resin materials. The polymer resin comprises a thioamide group, a thioether group and an aromatic group, and is prepared from the following raw materials: thiocyanate, a sulfhydryl compound, an organic base catalyst and a solvent. The oxidation resistance and the stability of the polymer resin can be improved, and the polymer resin also has high refractive index performance.

The invention belongs to the technical field of three-dimensional scanners, and discloses a camera lens module and a three-dimensional scanning device.The camera lens module comprises an installation support, an optical lens assembly and a camera PCBA board, the installation support comprises a lens installation part and a camera module installation part, and the lens installation part and the camera module installation part are integrally formed and connected; a plurality of lens mounting positions are arranged in a first mounting cavity of the lens mounting part; the optical lens assembly is arranged in the first mounting cavity, the multiple optical lenses correspond to the multiple lens mounting positions one to one, and the lens mounting positions are used for restraining the optical lenses; the camera PCBA board is detachably connected to the camera module installation part. According to the camera lens module, the stability of internal parameters of the camera lens module can be improved, the imaging virtual focus phenomenon is prevented, and the scanning precision of three-dimensional scanning equipment is improved.

A head-mounted device may have lenses. A user may view images through the lenses from eye boxes. The lenses may be tunable liquid lenses. Each lens may have a lens chamber. The lens chamber of the lens may have rigid and / or flexible walls that form optical lens surfaces. Actuators and / or pump and reservoir systems may deform the lens surfaces in response to control signals from a control circuit to tune the lens. Each liquid lens may have oil or other liquid in the lens chamber for that lens. Inorganic dielectric particles or other refractive-index-adjustment particles may be used to adjust the refractive index of the lens. The particles may be subwavelength in size.

The invention provides a contact lens with peripheral defocus, and relates to the technical field of optical lenses, the lens comprises a contact optimization core area, a partitioned progressive microprism array area and a dynamic light scattering area, and the specific setting is as follows: the contact optimization core area is located at the geometric center of the lens, the outward extension radius is 1.8-2.2 mm, and the contact optimization core area provides clear central vision; according to the intelligent self-adaptive contact lens, the intelligent self-adaptive contact lens is characterized in that the intelligent self-adaptive contact lens comprises a contact optimization core area and a partition progressive microprism array area, the partition progressive microprism array area is located on the outer side of the contact optimization core area and surrounds the contact optimization core area in a concentric ring shape, and through collaborative design of the partition progressive microprism array area and the dynamic light scattering area, the real-time monitoring and dynamic adjusting capacity of a photoelectric feedback control module is combined; the problem that an optical structure of an existing product lacks dynamic adaptability is effectively solved, and the optical structure can be changed according to different illumination environments and wearing duration.

The utility model discloses a lens gluing device for optical lens production and processing, and relates to the technical field of lens gluing devices. Comprising a workbench and a lens body, a conveying mechanism is arranged at the top end of the workbench, a limiting frame is fixed to the top end of the workbench, a connecting port is formed in one side of the limiting frame, a collecting box is fixed to the top end of the workbench in a penetrating mode, and a dust suction cover is fixedly communicated with one side of the collecting box and located in the connecting port; a filter screen is fixed to the top end of the collecting frame. A lens body is placed in the limiting frame, then the first motor drives the rotating rod to rotate, the rotating rod rotates to drive the fan blades to rotate, dust on the surface of the lens body is sucked away and fed into the collecting box through the dust suction hood, then the collecting frame is pulled out, and the dust can be cleaned away conveniently; and dust is prevented from being attached to the surface of the lens body in the processing process to influence the light transmission performance of the lens.

The utility model relates to a multi-beam laser deposition printing head device. The multi-beam laser deposition printing head device comprises a printing head base, a plurality of shaping optical lens sets, a plurality of mounting bases, a plurality of optical fiber connectors, a plurality of laser position adjusting jackscrews, a plurality of printing head guide nozzles, a feeding pipe and a feeding guide nozzle. By screwing one or more laser position adjusting jackscrews on the mounting seats, the laser position adjusting jackscrews move back and forth in respective laser position adjusting screw holes, the positions of the optical fiber connectors mounted on the mounting seats can be adjusted, and the positions of the optical fiber connectors mounted on the mounting seats can be adjusted by adjusting the positions of the optical fiber connectors on one or more mounting seats. Focusing light spots of multiple light beams are aligned with the feeding position of a coaxial material, and a complex adjusting mechanism does not need to be additionally designed in the whole process for secondary adjustment of the light spot position. Therefore, the multi-beam laser deposition printing head device has the advantages of being simple in structure, small in size and low in manufacturing cost while ensuring that the multi-beam focusing light spots can be accurately aligned with the feeding position of the coaxial material.

The invention relates to the technical field of optical lens machining, in particular to an optical lens laser cutting machining device which comprises a workbench, a laser cutting machine is installed on the right side of the upper end of the workbench, the workbench comprises a bearing table moving left and right, and two clamping units symmetrically arranged front and back are installed at the upper end of the bearing table; the stabilizing unit is installed in the middle of the upper end of the bearing table. The clamping unit is used for clamping and fixing the end of an optical lens blank. Each cutting area of an optical lens blank can be supported and fixed when the optical lens blank is clamped and fixed, so that after the optical lens blank is machined, an optical lens finished product and waste can be rapidly separated, the overall machining efficiency is ensured, and the optical performance and appearance quality of an optical lens are ensured; and each cutting area of the optical lens blanks in different shapes can be supported and fixed, so that the applicability of the optical lens blank cutting device is improved.

The invention discloses an optical lens weather resistance test system, and belongs to the technical field of weather resistance detection, the optical lens weather resistance test system comprises a test bench, the test bench is composed of an upper mobile station and a lower fixed seat, the upper mobile station and the lower fixed seat are connected through a lifting control device, and the upper mobile station and the lower fixed seat are both provided with a plurality of optical lens test units; a plurality of storage lifting push rods are arranged on the upper moving table, the output ends of the storage lifting push rods are connected with storage inner rings, the storage inner rings are connected with storage outer rings through connecting rods, and the storage outer rings and the storage inner rings are provided with storage clamping pieces which are matched with each other to position and clamp optical lenses. According to the invention, the optical lens is divided into regions through the isolation cover ring body, and tests of bacterial erosion are carried out for plating types in different regions, so that interference among bacteria is avoided, the accuracy of test data is ensured, various strain erosion tests can be carried out at the same time, and the efficiency of weather resistance detection of the optical lens is remarkably improved.

The invention discloses automatic polishing equipment for optical lenses, and relates to the technical field of optical lens machining, the automatic polishing equipment comprises a supporting mechanism and a polishing stabilizing mechanism, the supporting mechanism comprises a base, a machining bin is fixedly connected to the top wall of the base, a polishing mechanism and an antifouling mechanism are arranged on the machining bin, and the polishing stabilizing mechanism is arranged above the polishing mechanism; and a liquid outlet nozzle is arranged on the polishing stabilizing mechanism. The optical lens mounting device has the advantages that the mounting stabilizing assembly and the locking assembly are matched, the optical lens is quickly mounted through circumferential clamping, further locking is carried out to ensure mounting stability of the optical lens, and machining errors caused by position deviation are prevented; through cooperation of the polishing stabilizing assembly and the locking assembly, a stable structure is formed, vibration generated in the swinging process can be effectively reduced, and the corrugation effect can be reduced; and through the cooperation of the antifouling mechanism and the liquid outlet nozzle, the liquid is prevented from being splashed to the adjacent optical lens, and new small scratches are prevented from being generated.

The invention relates to the field of peristaltic pumps, in particular to an optical lens dispensing peristaltic pump which comprises a motor, a top seat is mounted at the top of the motor, a driving gear is fixedly connected to the periphery of the top driving end of the top seat, a driven gear is connected to one side of the driving gear in an engaged mode, and a rotating column is fixedly connected to the middle of the driven gear. Rotating rods and hollow shafts which are evenly distributed are arranged on the outer side of the rotating column, the hollow shafts and the rotating rods are alternately distributed, the upper portions and the lower portions of the hollow shafts are rotationally connected with the top disc and the bottom disc and communicate with the interior of the top disc, blades are fixedly connected to the peripheries of the hollow shafts, and outlet holes which are evenly distributed are formed in the tails of the outer arc sides of the blades. According to the peristaltic pump, the single extrusion amount can be accurately controlled, the maximum output flow of the peristaltic pump can be adjusted without changing the power of the motor by combining with replacement of taper connectors of different specifications, and the flow requirements of different procedures in optical lens coating are perfectly met.

The invention discloses a polyurethane blue light protection optical material and a preparation method thereof. The polyurethane blue light protection optical material is formed by polymerizing a three-component system of isocyanate, a thiopropane trithiol compound and a light absorber mixture, has the advantages of high refractive index and high light transmittance, also has excellent blue light selective protection capability, can perform accurate regulation and control protection on blue light with different wavelengths of 385-500nm, and has good application prospects. The refractive index of an optical lens made of the blue-light-resistant material is larger than or equal to 1.71, the transmittance of short-wave blue light of 385-445 nm is smaller than or equal to 32.2%, the transmittance of long-wave blue light of 475-500 nm is larger than or equal to 70%, the transmittance of visible light of 600-780 nm is larger than or equal to 90%, and a wider material selection range is provided for application of high-end blue-light-resistant optical components.

The invention relates to the technical field of intelligent control, and discloses an optical lens flexible clamping identification control method and system, and the method comprises the steps: constructing a composite supporting structure, adjusting the rigidity of the composite supporting structure, selecting an optimal wave band to calculate the spectral reflectivity, introducing polarization features, constructing an anti-reflection defect detection algorithm, and correcting the spectral reflectivity; a modular clamping unit based on topological structure recognition is constructed, edge feature extraction and shape classification are performed on an optical lens, optimization force distribution is calculated, strategy weight is dynamically adjusted according to a task completion rate by calculating strategy entropy and introducing a loss function in a combined manner, the rigidity of the optical lens is calculated, and force control or position control is adopted in a differentiated manner; based on the rigidity of the lens, constructing a self-adaptive clamping structure, minimizing the deformation energy of the lens, and calculating and predicting the residual life; a three-level heterogeneous computing architecture is constructed based on a self-adaptive clamping structure, state synchronization of a physical system and a virtual mirror image is realized, and a defect detection model in an anti-reflection defect detection algorithm is cooperatively trained.

The invention relates to an optical lens mounting device and method, and belongs to the technical field of optical system assembly.The device comprises two lens bracket supporting and adjusting assemblies and lens supporting and adjusting assemblies, the two lens bracket supporting and adjusting assemblies are used for supporting the bottom and the top of a lens bracket respectively, and the lens supporting and adjusting assemblies are used for supporting the lens bracket. The heights of the positions of the bottom and the top of the spectacle frame are respectively adjusted; the lens supporting and adjusting assemblies are used for supporting the optical lens and adjusting the height of the position where the optical lens is located, the lens supporting and adjusting assemblies are located between the two lens frame supporting and adjusting assemblies, and the distance between the lens supporting and adjusting assemblies is adjustable, and the technical problems that in the prior art, operation safety is low, assembling precision is poor, efficiency is low and the mirror surface pollution risk is high can be solved.

The utility model provides an optical path difference regulation structure lens, and relates to the field of optical lenses, the lens comprises a lens body and a lens part, the lens body comprises a convex surface and a concave surface opposite to each other; the lens part is adjacent to the concave surface of the lens body, the lens part comprises a micro-lens array, and the micro-lens array comprises a plurality of micro-lenses which are sequentially arranged to form an ultra-microstructure area; the micro lens is of a nanoscale diffraction structure and has the effective haze not exceeding 15% so as to reduce the spatial frequency and the imaging degree of incident light in the ultra-microstructure area. According to the invention, multiple functions of defocus optimization design, contrast control, spatial frequency modulation and the like are integrated; the effective defocusing amount of the ultrastructure is larger, and the ultra-low disturbance amount is achieved; and the haze of the micro lens is controlled at a nano level, so that a high-fidelity optical effect can be provided.

The invention relates to the technical field of protective film preparation, and particularly discloses an antistatic silica gel protective film and a preparation method thereof.The protective film comprises a base material layer and an antistatic coating coated on the surface of the base material layer; the base material layer is prepared from methyl vinyl silicone rubber, modified fumed silica, a compound antistatic agent A and a vulcanizing agent, and the antistatic coating is prepared from a compound antistatic agent B and water-based acrylic resin. The preparation method comprises the following steps: banburying, calendering and vulcanizing a compound antistatic agent A, methyl vinyl silicone rubber and modified fumed silica to form the base material layer; and finally, mixing the compound antistatic agent B with water-based acrylic resin to prepare an antistatic coating solution, coating the surface of the base material layer with the antistatic coating solution, and drying and curing to obtain a finished product. The silica gel protective film prepared by the invention has excellent antistatic property, mechanical property, adhesive force and high light transmittance, and is suitable for the fields of electronic equipment screens, optical lenses and the like.

The present application relates to the technical field of optical lenses, and discloses a peripheral defocus control lens and a manufacturing method. The peripheral defocus control lens comprises: a substrate, a microlens array, and a freeform surface. The substrate is a main area of the lens and has a spherical surface shape. The microlens array is arranged on the outer side of the substrate and is used for providing myopic defocus. The freeform surface is distributed on the inner side of the substrate and is used for compensating for or screening out refractive deviations in peripheral refraction of human eyes.