25results about How to "Solve chromatic aberration" patented technology

The invention relates to a preparation method of a thermosensitive decoloration temperature-adjustable super-hydrophobic textile. According to the method, a microcapsule emulsion A with a thermosensitive decoloration and phase-change material as a core material and a polymer as a shell layer and a waterproof agent emulsion B are obtained through free radical copolymerization or polycondensation, the thermosensitive decoloration and phase-change microcapsule emulsion and the waterproof agent emulsion are applied to after-finishing of textiles, a simple padding process is adopted, and the temperature-sensitive decoloration and phase-change microcapsule emulsion and the waterproof agent emulsion are obtained. And meanwhile, a layer of polymer film is formed on the surface of the fiber by utilizing the waterproof agent in the emulsion B, so that the fabric is endowed with multiple functions of thermosensitive decoloration, temperature adjustment, super-hydrophobicity and the like. According to the invention, the polymerization process is simplified, and the chromatic aberration problem caused by polydopamine is eliminated; by adding the recessive dye and the color developing agent, the thermosensitive decoloration function is increased, the color of the fabric becomes light along with temperature rise, light reflection is increased, and the temperature adjustable performance is further enhanced by adding the phase change material.

The invention discloses a camera combination structure and a manufacturing method of a shielding enhancing cover plate, the camera combination structure comprises a camera module and the shielding enhancing cover plate covering the camera module, the shielding enhancing cover plate comprises a substrate and an antireflection film layer, the antireflection film layer is attached to the surface of the substrate, and the shielding enhancing cover plate is arranged on the substrate. Wherein the antireflection film layer comprises a high-refractive-index material layer and a low-refractive-index material layer which are alternately stacked, and the thicknesses and material types of the high-refractive-index material layer and the low-refractive-index material layer are selected and adjusted, so that the antireflection film layer has an LAB value close to that of the camera module. Compared with a previous anti-reflection film glass scheme in which the color is determined only according to the characteristics of a material for the anti-reflection purpose, the shielding enhancement cover plate disclosed by the invention ensures the high transmittance requirement of the camera, ensures the imaging effect, greatly improves the concealment of the camera, and realizes the perfect combination of the concealment and the functionality.

The invention relates to the technical field of laser processing, and discloses a laser processing machine and a laser processing method for diamond composite plane teeth, and according to the laser processing method, through cooperative work of a scanning galvanometer module and a machine tool mechanical shaft, the possibility of overlapping of processing paths is reduced, and the problem of chromatic aberration caused by overlapping of the processing paths is avoided. The scanning galvanometer module is used for controlling the position of the laser focus, the laser cutting path can be controlled more accurately, and therefore the machining precision is improved, the problem caused by the fact that the feeding precision of a mechanical shaft is not high in a traditional single-point machining mode is solved, the risk of excessive cutting filling is reduced, and the cutting quality in the machining boundary is ensured. According to the laser processing machine, the diamond composite plane tooth is processed by adopting the laser processing method, the processing boundary is clear, and the problems of excessive cutting filling and color difference are avoided.

The utility model relates to a water -cooling heat dissipation mechanism of belt connection machine, including frame and with the upper mould machine, lower mould machine of frame connection, be equipped with the upper pressure plate that is pushed by air bag subassembly in the upper mould machine, be equipped with the fixed lower pressure plate in the lower mould machine, the upper pressure plate, lower pressure plate all are equipped with the water -cooling plate that supplies first water -cooling passage installation, the upper pressure plate, lower pressure plate are located and are equipped with water -cooling pipe in cold water board both sides, be equipped with second cold water passage in water -cooling pipe, water -cooling pipe one end is linked another end and is equipped with the water inlet pipeline, have set up water -cooling pipe in cold water board both sides, the second cold water passage in water -cooling pipe further strengthens cooling, increases the area of cooling simultaneously, avoids the temperature difference that produces because of uneven cooling, and then effectively prevents the belt and appears the chromatic aberration problem.

The invention discloses a PECVD (Plasma Enhanced Chemical Vapor Deposition) regional double-sided coating carrier plate and a using method, the PECVD regional double-sided coating carrier plate comprises at least one placing unit, the placing unit is of a tungsten filament crisscross structure, the tungsten filament crisscross structure comprises crisscross tungsten filaments which are embedded and tensioned in an outer frame and are arranged in an array, the tungsten filaments are used for placing a bearing part, and the tungsten filaments are arranged in a crisscross manner; the tungsten filament is fastened to the outer frame through a tensioning device, and a hole type carrier plate recognizer is further arranged on the edge of the containing unit. The invention has the following advantages: the cross design can effectively prevent the fringe effect generated by double-sided coating, solves the problem of chromatic aberration caused by the fringe effect, and improves the production yield and the cell conversion efficiency; accurate positioning is facilitated, automatic and accurate wafer placement is achieved, and the overall reliability of the sub-carrier plate is improved.

A high-brightness COB screen with a novel heat dissipation structure comprises a circuit substrate, LED light-emitting bodies, a heat conduction part, a light guide cover and a heat dissipation part, and the LED light-emitting bodies are distributed in an array mode and welded to the circuit substrate; the heat conduction parts are distributed on the circuit substrate in an array mode, wrap the LED light-emitting bodies and are made of transparent heat conduction materials. The light guide covers are distributed in an array mode and cover the heat conduction part, the ends, away from the heat conduction part, of the light guide covers are in a prismatic table shape, and the light guide covers are made of transparent heat conduction materials. The heat dissipation part is filled between the light guide covers and is connected with the circuit substrate. According to the utility model, heat directly generated by the LED luminous body is transferred to the heat dissipation part by utilizing the heat conduction part and the light guide cover, and is dissipated by the heat dissipation part; and heat generated by the circuit substrate is directly transmitted to the heat dissipation part for heat dissipation, so that the heat dissipation performance can be greatly improved through the structure. In addition, the lens structure formed by the heat conduction part and the light guide cover can change the transmission path of light rays, so that the moire phenomenon can be eliminated under the condition that the brightness is not lost.

The invention relates to the technical field of vehicle glass, in particular to laminated glass and a vehicle, the laminated glass comprises an outer glass plate, an inner glass plate, a bonding layer and a non-metal reflecting film which are stacked, the outer glass plate is provided with a first surface and a second surface, and the inner glass plate is provided with a third surface and a fourth surface; the bonding layer is located between the second surface and the third surface, and the non-metal reflecting film is located between the second surface and the bonding layer, or located between the bonding layer and the third surface, or located on the fourth surface, or located in the bonding layer; the solar direct reflectivity RE of the laminated glass measured from one side of the first surface meets the condition that RE is larger than or equal to 12%. The problem of thermal insulation of thermal management of the whole vehicle is solved, and the wireless communication quality in the vehicle can be guaranteed.

The invention provides a method for improving the phosphating color difference of a manganese alloy steel product, which comprises the following steps in sequence: alkaline washing: adopting an alkaline solution with the pH value of 13-14, the alkaline washing temperature of 110-140 DEG C and the alkaline washing time of 30-35 min; first flowing water washing; acid pickling is conducted, an acid solution with the free acidity being 80-270 is adopted for acid pickling, the acid pickling temperature is 15-25 DEG C, and the acid pickling time is 1-2 min; and second flowing water washing. According to the method, the surface of the workpiece is treated through the aqueous alkali before the workpiece is subjected to manganese phosphating treatment, metal iron on the surface of the workpiece reacts with the aqueous alkali, the black alkaline ferroferric oxide protective film is generated, the protective film is black, the problem of color difference on the surface of the gear workpiece is solved, and the service life of the gear workpiece is prolonged. And the gear workpiece is more wear-resistant and corrosion-resistant.

The application discloses a kind of projection module based on microlens array, including field lens array, projection source, projection lens array, prism array, interval area is formed between prism array and projection lens array, prism array surface is divided into interval part and mirror surface part, interval part and mirror surface part are arranged at intervals and are communicated with each other through interval area, interval part is parallel with the surface of base one, mirror surface part forms a certain angle with the surface of base one;Prism array is divided into M layers along the direction of light propagation, M layer prism array uses different materials, and the contact interface of every two adjacent prism array forms alternately arranged interface area one, interface area two, interface area one corresponds interval part, and interface area two corresponds mirror surface part;Projection lens array is divided into N layers along the direction of light propagation, N layer projection lens array uses different materials, and in the two side face types of every layer projection lens array, at least one side face type is optical face type except plane.

This invention discloses a color paste mixing system, including a color mixing tank, several material tanks, a metering pump, a stirring motor, an output pump, and a three-way solenoid valve, each corresponding to one of the material tanks. The input end of each metering pump is connected to the outlet of the corresponding material tank via a pipe, and the output end of each metering pump is connected to a conveying pipe. The outlet end of the conveying pipe is connected to the inlet of the color mixing tank. The stirring motor is fixedly installed on the top of the color mixing tank, and the output shaft of the stirring motor is connected to the stirring component located in the inner cavity of the color mixing tank.

The invention discloses a preparation method of a floating-point four-way stretch fabric containing ecological wool and bio-based nylon blended yarns. The preparation method comprises the following steps: yarn selection and matching: warp yarns: bio-based nylon coated spandex yarns; the weft yarns A are bio-based nylon coated spandex yarns; the weft yarns B are bio-based nylon dot net composite filaments; weft yarns C are blended yarns of wool and bio-based nylon; weaving: weaving according to design requirements by adopting selected yarns to obtain a floating-point four-way stretch fabric; and dyeing and finishing: sequentially carrying out open-width cold batch, pre-setting, dyeing and final setting on the obtained floating-point four-way stretch fabric to obtain the floating-point four-way stretch fabric. The bio-based nylon is added into the fabric, so that the rebound resilience is enhanced, and the floating-point four-way elastic structure endows the fabric with good elasticity and extensibility in all directions, so that the fabric can quickly restore to the original shape after being stretched, and good appearance and shape are kept.

The invention discloses a super-large-diameter cathode roller for electrolytic copper foil and a manufacturing process of the super-large-diameter cathode roller, and belongs to the technical field of cathode rollers, a titanium cylinder is integrally formed by adopting a spinning technology, the oxidation resistance is enhanced, the titanium cylinder is prevented from going bad, being damaged or losing efficacy due to oxidation, a self-aligning roller bearing is adopted, the risk of uneven stress of the bearing is reduced, heat conduction oil is introduced into the cathode roller, and the service life of the cathode roller is prolonged. The roller surface temperature is reduced, the transmission efficiency of electric energy is improved, and the automatic welding equipment can ensure that the quality of each welding seam is stable. The super-large-diameter cathode roller for the electrolytic copper foil comprises a steel core, a steel shaft is embedded in the center of the steel core, the outer side edge of the steel core is sleeved with a titanium cylinder, titanium side plates are attached to the surfaces of the two sides of the steel core, and the inner surface of the titanium cylinder and the side surfaces of the titanium side plates are fixed through welding; a titanium ring is welded and fixed at the joint of the titanium cylinder and the titanium side plate, a plastic ring is mounted on the side surface of the titanium ring, the plastic ring is connected and fixed through a gasket and a screw, and a plastic gasket is arranged at the joint of the titanium ring and the plastic ring.

The application provides a 3D interface color difference solution method, system, device and medium, wherein the method comprises creating a temporary color buffer and a temporary template buffer, the size of the temporary color buffer and the temporary template buffer is the same as the pixel size of the rendering screen; writing the pixel point color information of the UI object into the temporary color buffer; writing the pixel point occlusion information of the UI object into the temporary template buffer; after tone mapping the 3D picture, updating the pixel points of the UI object according to the temporary color buffer and the temporary template buffer. The application is used to solve the technical problem of poor 3D interface rendering effect in the related art.

The utility model discloses an optical module with three lens groups, which comprises a first lens group, a movable second lens group and a movable third lens group, the first lens group, the second lens group and the third lens group are arranged on one side of an imaging end face from far to near, and the intersection point of incident light is focused on the imaging end face; in the zooming adjustment, the second lens group is moved to realize zooming, and meanwhile, the third lens group is slightly moved to realize focusing compensation, and the focal length deviation of the light focused on the imaging end surface is dynamically adjusted; the long focal length of the optical module is ft, the short focal length of the optical module is fw, the total length of the optical module is TTL, and the back focal length of the optical module is B. The relation among the long focal length, the short focal length, the total length and the back focal length of the optical module meets the following conditions: (1) 2.8 lt; f < t > / f < w >; 3.5); (2) 2.5 ftt; tlt; 2.8 ft; (3) 3fw / 4lt; blt; ft / 3; (4) TTL / ftlt is carried out; 2.8); (5) 0.7 lt; b / fwlt; and 0.8.

The invention discloses a broadband large-view-field low-distortion optical system which comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, an aperture diaphragm, a seventh bonding lens, an eighth bonding lens and a ninth lens which are sequentially arranged from an object space to an image space, and the first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens, the aperture diaphragm, the seventh bonding lens, the eighth bonding lens and the ninth lens are sequentially arranged from the object space to the image space. The sixth lens forms a front lens group, the seventh balsaming lens, the eighth balsaming lens and the ninth lens form a rear lens group, the aperture diaphragm is located at the front focal plane of the rear lens group, and both the second lens and the sixth lens adopt aspheric surfaces. The optical system disclosed by the invention has the characteristics of large field of view, low distortion, wide band, long back intercept, excellent imaging quality, telecentric image space and the like, and is particularly suitable for the field of space remote sensing imaging.

The present application discloses an image processing method and device, a storage medium, and a computer device, the method comprising: obtaining an interface rendering image and a first scene rendering texture of a target game scene, wherein the interface rendering image is generated in a gamma space, and the first scene rendering texture is applied in a linear space; converting the first scene rendering texture from the linear space to the gamma space to generate a second scene rendering texture, and performing alpha blending on the second scene rendering texture and the interface rendering image to obtain a third scene rendering texture; converting the third scene rendering texture from the gamma space to the linear space to obtain a target scene rendering texture. The above scheme solves the problem of color difference after the output image of the image processing software enters the game development engine, and improves the game expressiveness.

The application provides a wide-band optical element parameter measurement device and method. The device comprises a visible light and infrared light source, a monochromator group with switchable gratings, and a multi-band compatible detector group, thereby achieving wide-band coverage from visible light to infrared. The device adopts a total reflection optical path design, effectively avoiding chromatic aberration of the lens system, and ensuring consistency and measurement accuracy of the optical path at different wavelengths. In addition, the device adopts a double-rotating table independent design of a sample positioning rotating table for controlling the incident angle and a detection scanning rotating table for controlling the receiving angle, thereby achieving high stability and high measurement efficiency of the optical element parameter measurement.

The utility model relates to a novel small spacing display screen outdoor protection structure and a protection method, the novel small spacing display screen outdoor protection structure comprises a plastic shell and an LED circuit board, the LED circuit board is configured in the plastic shell, the plastic shell is provided with an L-shaped groove, a resin layer is filled in the L-shaped groove, and the resin layer is provided with a film coating layer. The display screen product produced by the protection method can still be used normally and has no abnormal phenomenon after being soaked in water with the industrial salt concentration of 5% for 90 days. Therefore, the product obtained through the protection method can meet the IPX7 protection level and can be normally used under the long-term water soaking environment condition.

The present application relates to the technical field of laser processing, and discloses a laser processing machine and a laser processing method for diamond composite plane teeth, wherein the laser processing method reduces the possibility of processing path overlap through the cooperative work of a scanning galvanometer module and a machine tool mechanical shaft, and avoids the chromatic aberration problem caused thereby. The scanning galvanometer module is used to control the position of the laser focal point, so that the laser cutting path can be more accurately controlled, thereby improving the processing precision, avoiding the problems caused by low mechanical shaft feeding precision in the traditional single-point processing mode, reducing the risk of excessive cutting filling, and ensuring the cutting quality within the processing boundary. The laser processing machine of the present application processes diamond composite plane teeth by using the above-mentioned laser processing method, so that the processing boundary is clear, and the problems of excessive cutting filling and chromatic aberration are avoided.

The invention belongs to the technical field of engineering information, and particularly relates to a construction site adjacent image color fusion method based on BGR weight gradient and CIHS iterative adjustment. The method takes an image registration feature point as a center, fully considers RGB values and CI, S and H values of eight adjacent pixel points around the point on the basis of determining a BGR value of the feature point and hue H (Hue), saturation S (Saturation) and color intensity CI (Color Intensity) values of the feature point, and then, according to the direction of gradual fusion of adjacent images, in an area formed by the eight adjacent pixel points of the point, the image fusion is carried out on the image in the area formed by the eight adjacent pixel points of the point. Different color transition weights are given to adjacent pixel points respectively, optimal fusion of feature point area images is obtained through multiple iterations of converted CI, S and H values on the basis of integration of RGB values of the eight adjacent pixel points, and then natural transition and optimal fusion of all other pixel points in adjacent image overlapping areas are achieved.

The utility model discloses a high-precision high-efficiency low-cost silk screen plate relates to silk screen plate technical field. Including the screen plate body, the screen plate body is integrated structure, is equipped with a plurality of grid units on it, and the area where each grid unit is respectively with the silk screen printing area of product corresponds, and the plane position where each grid unit is respectively with the plane position where the silk screen printing area of product corresponds, is equipped with the isolation structure between adjacent grid units, still be equipped with the positioning structure on the screen plate body, and the positioning structure is adapted with the first positioning hole on the product. The utility model discloses through integrating multiple traditional screen plate into integrated structure and dividing independent grid unit, realizes single silk screen printing to complete multicolor, the silk screen printing operation of multiple plane, effectively promotes silk screen printing precision and efficiency, and reduces production cost.

According to the scanning identification method and system of the graduate employment questionnaire, paper test paper is converted into image data by using an image scanning technology, the filled test paper is further analyzed by using a deep learning method of machine vision, the validity of the test paper is judged, the test paper which does not meet the standard is rapidly screened out, and the accuracy of the test paper is improved. A lot of time is saved for later survey and analysis, and the efficiency of questionnaire survey and analysis is improved.

The present application discloses a game image processing method and device, a storage medium, and a computer device. The method comprises: obtaining three-dimensional scene resource data and interface UI material data corresponding to a target game scene; writing the three-dimensional scene resource data into a three-dimensional image cache of a target rendering pipeline, rendering the three-dimensional scene resource data in the three-dimensional image cache through a three-dimensional rendering channel of the target rendering pipeline, and obtaining three-dimensional image cache data in a linear space; converting the color space of the three-dimensional image cache data into a gamma space through a first conversion channel, and putting the three-dimensional image cache data and interface UI material data in the gamma space into a UI cache of a target rendering pipeline, and performing UI rendering on the three-dimensional image cache data and interface UI material data in the UI cache through the UI rendering channel of the target rendering pipeline; and converting the color space of the UI rendering result into a linear space through a second conversion channel.

The utility model provides a mask plate for coating automotive glass. The mask plate comprises a mask part and a positioning part, the mask component is of an annular structure, and chamfers are arranged on the inner edge and the outer edge of the mask component. The positioning part is of a convex structure and is arranged on the edge of the mask part; the mask plate is a stainless steel plate, and the thickness of the mask part does not exceed 1 / 3 of the thickness of the glass to be coated. According to the mask plate provided by the utility model, the thermal deformation phenomenon is relieved, the fitting degree between the mask plate and glass is improved, the lightweight design is realized, meanwhile, displacement in the coating process is avoided, the coating efficiency is improved, the preparation cost is reduced, and large-scale popularization and application are facilitated.

The invention discloses an ultraviolet-to-visible large-view-field low-distortion optical lens, and belongs to the technical field of imaging lenses. Comprising a front lens group, an aperture diaphragm, a seventh lens, a balsaming lens group and a rear lens which are sequentially arranged at intervals from the object side to the imaging side along the optical axis, and the balsaming lens group comprises a first balsaming biconvex positive lens, a balsaming biconcave negative lens and a second balsaming biconvex positive lens which are sequentially arranged from the object side to the imaging side along the optical axis in an attached mode. The object side surface and the image side surface of the first cemented biconvex positive lens are convex surfaces, the object side surface and the image side surface of the cemented biconcave negative lens are concave surfaces, and the object side surface and the image side surface of the second cemented biconvex positive lens are convex surfaces. By reasonably distributing the focal power of the front lens group, the seventh lens, the balsaming lens group and the rear lens, the ultraviolet-to-near infrared large-view-field low-distortion imaging lens which is large in view field angle, low in distortion, telecentric in image space and good in imaging quality is formed, and the imaging lens is particularly suitable for the multispectral large-view-field imaging fields such as spectrometers and polarization cameras.