38results about How to "Improve shading" patented technology

The utility model provides a curtain which comprises an upper curtain rod, a lower curtain rod, a first curtain body, a second curtain body, a pull rope and a rope winder. The first curtain body and the second curtain body are oppositely arranged front and back, the first curtain body is a Roman curtain, the second curtain body is a pleated blind or a honeycomb blind, and the second curtain body comprises a plurality of folding units which are sequentially connected up and down; at least part of the folding units in the second curtain body are connected with the first curtain body; the rope winder is fixedly arranged in the upper curtain rod, one end of the pull rope is connected with the rope winder, the other end of the pull rope is connected with the lower curtain rod, and the pull rope is connected with the folding units in the second curtain body at the same time. The curtain is provided with two different types of curtain bodies for users to select and use, so that different requirements of the users are met, and the attractiveness of the curtain can be improved.

The thick-wall part comprises a light source incidence reflecting face and a light emitting face, a slotting notch used for installing the lamp decoration ring is formed in the side, where the light emitting face is located, of the thick-wall part, and a shading device is arranged at the bottom of the slotting notch. According to the technical scheme, the shading device is arranged on the bottom surface of the bottom of the slotted notch aiming at the slotted notch existing in the disconnected thick-wall part, so that light entering from the light source incident reflecting surface can be effectively prevented from being emitted from the part, and the problem of light leakage is solved. The structure is simple, operation is convenient, and the optical effect of the automobile lamp can be guaranteed.

The utility model provides a protection mechanism and a construction lifting platform, and belongs to the technical field of lifting platforms. The protection mechanism comprises a lifting structure and a protection structure, the lifting structure comprises a lifting assembly, an operation platform and a door plate, the operation platform is connected with the lifting assembly, the door plate is hinged to the operation platform, and the protection structure comprises a sliding frame, a screw rod, a first protection assembly, a second protection assembly and a clamping assembly. The sliding frame is in sliding connection with the operation platform, the sliding frame is connected with the operation platform through the screw rod, the first protection assembly is arranged in the operation platform, the second protection assemblies are arranged on the three faces of the operation platform, the clamping assembly is arranged on one side of the operation platform, and the clamping assembly is arranged on the other side of the operation platform. And the clamping assembly is clamped with the second protection assembly. According to the protection mechanism and the construction lifting platform, the height of the operation platform can be conveniently adjusted, and the practicability of the device is improved.

The invention relates to the technical field of manufacturing of lyocell filaments, in particular to a manufacturing method of colored lyocell filaments, and aims to solve the problem of low color fastness caused by the fact that an existing jeans wear fabric is manufactured by adopting a process of weaving and then dyeing. According to the present invention, the dyeing agent is added in the lyocell filament spinning solution preparation stage so as to prepare the stable colored spinning solution, the color fixation is completed during the spinning process, and then the colored filament is used to spin the cloth, such that the color fastness is high, the cloth with the target color can be prepared by using the less dye through the method, and the good development prospect is provided.

The present application relates to a kind of biodegradable dark color mulch and its preparation method, and dark color mulch is made of cellulose, hemicellulose and degradable coating.The manufacturing method includes the preparation of dark color mulch substrate, coating layer coating.It specifically includes slurry compounding, beating, additive addition, is formed by papermaking, dehydration, pre-drying, coating, sizing, drying, calendering, product after drying.The local film has good wet strength, light resistance, weather resistance, heat preservation and entropy increasing effect.The results of farmland degradation experiment show that the mulch can be biodegraded after 50~60 days, and the biodegradation rate is more than 90%.

A fire-fighting maze environment training device, comprising: first container, second container, third container, fourth container connected in turn, the side wall of second container, third container, fourth container is removed adjacent side wall, and the side surface is communicated, and the maze training area is formed, and the movable partition is arranged in the maze training area to build the maze environment. The utility model discloses rescue route diversification, can enhance the ability of firefighter in the strange environment, because the special container is provided smoke heat, and because movable partition has good light shielding property, can restore the dark environment of fire scene better, and has greater help to the promotion of the rescue ability and the psychological adaptability of firefighter.

The utility model relates to the technical field of automobile screen windows, in particular to a novel automobile anti-mosquito screen window which comprises a waterproof cover, a shielding supporting cover and an installation skirt edge, a screen window opening is formed in the center of the waterproof cover, the waterproof cover is made of shading and waterproof materials, and the installation skirt edge is arranged on the upper edge of the waterproof cover and close to the inner side of the waterproof cover. The installation skirt edge is used for being connected to the top of an external vehicle door frame in a sleeving mode, the shielding supporting cover is arranged on the outer side of the waterproof cover and covers the outer surface of the screen window opening, a ventilation opening is reserved in the lower edge of the shielding supporting cover, and the ventilation opening and the inner side of the waterproof cover are of a conduction structure through the screen window opening. In rainy days, rainwater can be isolated through the waterproof cover and the shielding supporting cover covering the outer surface of the screen window opening, the rainwater is effectively prevented from entering a carriage, ventilation and mosquito prevention are considered, meanwhile, sunlight can be effectively shielded on the outer side of the screen window opening through the shielding supporting cover and the waterproof cover, and the good shading performance is achieved.

The utility model relates to a wear-resistant shading composite fabric, which comprises a shading layer and wear-resistant layers respectively compounded on the upper surface and the lower surface of the shading layer, the shading layer is formed by interweaving shading yarns serving as warp and weft yarns respectively, and the wear-resistant layers are fabric layers which are formed by interweaving wear-resistant yarns serving as warp and weft yarns respectively and are uniformly distributed with holes. Compared with the prior art, abrasion of the shading fabric can be reduced, and shading durability, breathability, abrasion resistance and the like of the shading fabric can be improved.

The utility model relates to camera technical field discloses a camera lens shading structure, including camera shell, camera cover and support frame, camera shell side wall is equipped with camera cover, camera cover and camera shell side wall joint cooperation, camera shell inside is equipped with lens, camera shell side wall is equipped with support frame, support frame top and camera shell side wall rotation cooperation link, including quick -witted connection subassembly, set up in support frame bottom, quick -witted connection subassembly includes fixed part and base, still include shading subassembly, set up in camera cover inside, shading subassembly includes hard rubber seat and soft rubber seat, hard rubber seat with soft rubber seat passes through hot -pressing mould pressure and is combined, and shading subassembly and lens sleeve joint cooperation, this camera can effectively avoid the light leakage and the aesthetic problem caused by the rotation gap in the lens rotation process, improves the whole installation and maintenance efficiency through quick -witted connection subassembly simultaneously.

The utility model discloses a skirt hem type shading lampshade, and particularly relates to the technical field of shading lampshades, the skirt hem type shading lampshade comprises an elastic bandage at the position of a baking lamp, skirt hem shading cloth is arranged at the bottom of the elastic bandage, a plurality of ribs are obliquely arranged at the bottom of the elastic bandage, and the ribs are all pasted on the back face of the skirt hem shading cloth. And the elastic bandage and the skirt hem shading cloth are of an integrated structure. The shading lampshade can be installed at the position of a baking lamp used for treatment of a patient in the amputated limb (finger) replantation operation and flap transplantation operation, under the condition that warming treatment of the baking lamp of the patient is not hindered, light of the baking lamp is prevented from affecting rest of the patient, the shading lampshade is convenient for the patient to use, and meanwhile the shading lampshade has good shading, waterproof, dustproof, flame-retardant and anti-static effects.

The utility model discloses a combined architectural design decoration flower stand with a sunshade component, comprising a transverse plate, both sides of the bottom end of the transverse plate are provided with support frames, one side of each support frame is provided with a placing plate, the inside of each placing plate is provided with a limiting mechanism, the top end of each placing plate is provided with a moving groove, and the top end of each moving groove is provided with a sunshade component. And clamping blocks are installed on the two sides of the top end of the containing plate correspondingly, fixing blocks are installed at the positions, on one sides of the clamping blocks, of the top end of the containing plate correspondingly, and water storage tanks are installed at the positions, on one sides of the supporting frames, of the bottom end of the containing plate correspondingly. According to the device, the driving shaft is screwed to drive the connecting block to do horizontal movement under the action of the moving block, the stored sunshade net is unfolded while the connecting block does horizontal movement, flower and green plants placed on the placing plate can be conveniently subjected to sunshade treatment through the operation, exposure of sunlight to the flower and green plants is reduced, and therefore the survival rate of the flower and green plants is increased; and the replacement cost is reduced.

This utility model discloses a light-blocking fabric, relating to the field of textile technology, aiming to solve the problem of reduced breathability while improving the light-blocking properties of fabrics. The key technical points are: the inner layer has several support blocks on the side near the outer layer, and the outer layer has several support strips on the side near the inner layer. The inner and outer layers are supported by the support blocks and strips to form several ventilation cavities and several breathable cavities. The inner layer has several breathable grooves communicating with the ventilation cavities, and the outer layer has several breathable holes communicating with the breathable cavities. The breathable grooves and holes are staggered along the length of the inner layer. This utility model, through the staggered arrangement of the breathable holes and grooves, can enhance breathability while preventing direct sunlight penetration of the fabric. The outer layer, made of acrylic fiber, effectively blocks sunlight penetration, and the inner layer, made of bamboo charcoal fiber, weakens the intensity of sunlight entering the fabric through the breathable holes, ensuring the fabric's light-blocking and sun-protection effects.

This application discloses an optomechanical system, including a housing, a light emitting component, a light receiving component, and an isolator. The isolator includes a surrounding plate, a first cover plate, and a second cover plate. The first and second cover plates are located on opposite sides of the surrounding plate and are connected to the surrounding plate to form a second receiving cavity. The surrounding plate has a first light inlet, a second light inlet, a first light outlet, and a second light outlet communicating with the second receiving cavity. The light emitting component is disposed corresponding to the first light inlet, and the light receiving component is disposed corresponding to the second light outlet. The optomechanical system of this application embodiment can reduce or even avoid stray light interference to the emitted light signal and the echo light signal. Furthermore, since the second receiving cavity is formed by the surrounding plate, the first cover plate, and the second cover plate, the light-shielding performance of the second receiving cavity is better, and the anti-interference ability is stronger.

The utility model provides an anti-static shading adhesive tape, which relates to the technical field of adhesive tapes and comprises a plastic tube, an adhesive tape body is arranged on the plastic tube, a protective component is arranged in the plastic tube, the adhesive tape body comprises a base material layer, a conductive layer is arranged on the base material layer, a shading layer is arranged on the conductive layer, and an adhesive layer is arranged on the shading layer. An adhesive layer is arranged on the base material layer, a protective layer is arranged on the adhesive layer, the protective assembly comprises a first protective tube and a second protective tube, and the base material layer with a polyvinyl chloride material, the conductive layer with an antistatic agent material, the shading layer with carbon black and a metal oxide material, and the adhesive layer with acrylic acid, rubber and a hot melt adhesive material are arranged on the protective assembly. The protective layer with the low-density polyethylene film, the polypropylene film and the silicone oil material is compounded to form a complete adhesive tape structure, and the compounded adhesive tape is cut to obtain a product with a required size, so that the anti-static and shading effects of the adhesive tape are realized.

The invention relates to the technical field of nursery stock transplanting, in particular to a nursery stock auxiliary transplanting device with moisturizing and sunscreen functions. The invention provides the nursery stock auxiliary transplanting device with the moisturizing and sun-blocking functions, which can moisturize and block the transplanted nursery stock, can conveniently place the nursery stock into the planting hole for planting, saves manpower and improves the nursery stock transplanting efficiency. An auxiliary seedling transplanting device with moisturizing and sunscreen functions comprises a mounting base, universal wheels and the like, and the lower side of the mounting base is rotationally connected with the multiple universal wheels. Limiting frames are close to each other to fix seedlings, moisture evaporation of roots of the seedlings is avoided, then a mounting base is moved to a seedling transplanting position, the limiting frames are far away from each other, and then the seedlings fall into planting holes, so that the transplanted seedlings can be moisturized, and the survival rate of the seedlings is increased. Meanwhile, the nursery stocks can be conveniently placed in the planting holes for planting, manpower is saved, and the nursery stock transplanting efficiency is improved.

The utility model discloses an improved external sunshade roller shutter top housing which comprises a rear housing and a front panel which are connected through a heat insulation strip. A sound insulation and heat preservation plate inserting groove is formed in the rear shell, and a sound insulation and heat preservation plate is arranged in the sound insulation and heat preservation plate inserting groove. According to the scheme, the sound insulation and heat preservation performance is remarkably improved by additionally arranging the sound insulation and heat preservation plates and the heat insulation strips and adopting a reasonable splicing structure. And the L-shaped design of the top cover plate and the rear shell top cover reserves a gluing position, so that glue does not need to cover the front and rear overhaul plates during gluing, and later maintenance and overhaul are facilitated. In addition, the clamping grooves of the front overhaul plate butt joint buckle and the top cover plate butt joint buckle are designed to be U-shaped, so that stable connection is ensured, and the front cover plate is not prone to falling off and disengaging even if strong wind exists outside.

The utility model relates to a sightseeing bamboo raft fixing structure, and belongs to the field of sightseeing bamboo rafts. Comprising a plurality of bamboo raft pipe fittings, a plurality of fixing mechanisms, a seat fixing mechanism and a sunshade mechanism, the bamboo raft pipe fittings are arranged side by side at intervals, the fixing mechanisms are fixedly installed on the bamboo raft pipe fittings and connect the bamboo raft pipe fittings, the seat fixing mechanism is fixedly installed on the bamboo raft pipe fittings, the bottom end of the sunshade mechanism is fixedly connected with the seat fixing mechanism, and the sunshade mechanism covers the top end of the seat fixing mechanism. The seat fixing mechanism not only reinforces the bamboo raft pipe fitting, but also provides a seat function, in addition, a fixed connecting point can be provided for fixed installation of the sunshade mechanism, and the situation that the bamboo raft pipe fitting is damaged due to the fact that the sunshade mechanism is directly and fixedly installed on the bamboo raft pipe fitting is avoided; according to the utility model, the seat and the sunshade mechanism can be mounted and fixed without shielding a hollow bamboo model, so that the dead weight of the bamboo raft is reduced, and the experience feeling of tourists on the bamboo raft is enhanced.

A use method of the light absorption release composition comprises the following steps: (a) processing a to-be-processed layer of a laminated body comprising a support carrier, a release layer and the to-be-processed layer so as to enable the to-be-processed layer to form a processed layer; (b) after the step (a), irradiating the release layer through the support carrier by using pulse laser light; and (c) separating the support carrier from the processed layer simultaneously with or after step (b). The release layer is formed by a light absorption release composition. The light absorption release composition comprises a polymer (A), a light absorption agent (B) and a solvent (C). The polymer (A) is formed by reacting a mixture comprising a tetracarboxylic dianhydride component and a diamine component. The diamine component comprises at least one diamine compound selected from the following groups: a diamine compound as shown in a formula (I) and a diamine compound as shown in a formula (II). The invention also provides a manufacturing method of the semiconductor device. The manufacturing method comprises the step of processing the processed layer to form the semiconductor device. # imgabs0 #

The utility model discloses a silver-black double-color shading film, which belongs to the technical field of shading films and comprises an inner layer, a middle layer and an outer layer, the inner layer is composed of a black film layer, the middle layer is composed of a bonding composite layer, and the outer layer is composed of a silver film layer. The silver film layer and the black film layer are fixedly connected to the two ends of the bonding composite layer through bonding glue. According to the silver-black double-color shading film, the bonding composite layer is arranged, so that the structural strength of the shading film can be improved, and meanwhile, the silver-black double-color shading film has the advantages of light weight and thin thickness, has a better shading effect, is easy to manufacture and can be recycled.

The utility model discloses a strong light irradiation prevention ultrasonic flaw detector which comprises an ultrasonic flaw detector body, a base and a threaded head, the base is fixedly installed on the bottom face of the ultrasonic flaw detector body, and threaded holes are formed in the bottom face, the front vertical face and the back vertical face of the base. The flaw detection device has the beneficial effects that during flaw detection, a worker can turn over the outer sleeve plate and the movable plate to shield light, when the outer sleeve plate is turned over, the connecting plate is driven to rotate along the damping bearing, multi-angle hovering is carried out, angle adjustment is facilitated, meanwhile, the worker can pull the movable plate to move outwards and retract inwards, the shielding area is adjusted, and the working efficiency is improved. The damping effect provided by the friction sleeve facilitates positioning of the movable plate and avoids random movement of the movable plate, so that a good shading effect is achieved, adjustment can be completed by simply turning the outer sleeve plate and pushing and pulling the movable plate, adjustment and use are simpler, meanwhile, the outer sleeve plate and the movable plate of the device are lighter and thinner, the structure is simpler, storage and movement are more convenient, and use is more convenient. And the use convenience is further improved.

The utility model discloses a display screen with a shading structure, and relates to the technical field of display screens. The display screen with the shading structure comprises two sets of frame bodies, a display screen and an adjusting assembly, L-shaped plates are arranged at the bottoms of the frame bodies, the frame bodies and the L-shaped plates are distributed left and right, vertical plates are arranged between the frame bodies and the L-shaped plates, mounting blocks are fixedly mounted on the outer walls of the frame bodies and the L-shaped plates, mounting columns are arranged on the frame bodies, and the adjusting assembly is arranged on the display screen. Light blocking cloth is arranged between the left frame body and the right frame body, the display screens are arranged in the frame bodies and the L-shaped plates, and the adjusting assemblies are arranged on the frame bodies, the L-shaped plates and the vertical plates. According to the display screen with the shading structure, the two sets of frame bodies can be pulled according to the length of the display screen to adjust the distance and be installed, the distance between the frame bodies and the L-shaped plate can be conveniently adjusted, the structure can conveniently shade the display screens of different sizes, the structure can be additionally installed on different devices, and the applicability and practicability of the structure are enhanced.

The utility model relates to the technical field of sliding doors, and discloses an aluminum alloy overhead rail sliding door which comprises a first door body, a second door body, a supporting frame body used for installing and fixing the first door body and the second door body, and moving pulleys used for enabling the first door body and the second door body to slide left and right. And a driving mounting groove used for mounting the driving mechanism is formed in the bottom end wall of the supporting frame body, the driving mechanism comprises a driving motor, and a connecting rotating rod is arranged at the output end of the left end of the driving motor. When a user wants to shade the sun, the arranged driving motor is started, the driving motor outputs to drive the connecting rotating rod and the sun-shading roller blind to rotate, so that the sun-shading roller blind falls down, and then the user inserts the connecting iron block on the sun-shading roller blind into the limiting groove, so that the sun-shading is conveniently carried out; according to the device, the sunshade function can be achieved without installing a curtain, so that the cost is saved, and the practicability is enhanced.

The application relates to the technical field of sunshades, and proposes a sunshade magnetic seat and a mobile phone sunshade. The sunshade magnetic seat comprises a seat body, a first magnetic suction piece and a second magnetic suction piece. A connecting part for connecting with a sunshade rod is arranged on the outer periphery of the seat body. The first magnetic suction piece and the second magnetic suction piece are arranged on the axial two sides of the seat body respectively. The first magnetic suction piece is used for magnetically attracting a mobile phone, and the second magnetic suction piece is used for magnetically attracting a mobile phone accessory. The sunshade magnetic seat can not only magnetically attract a mobile phone through the first magnetic suction piece, so that the sunshade body connected with the sunshade magnetic seat can shield the sun and rain for the mobile phone, but also can magnetically attract a mobile phone accessory through the second magnetic suction piece, so that the mobile phone can indirectly magnetically attract the mobile phone accessory, and the problem that the mobile phone cannot magnetically attract the mobile phone accessory after being magnetically attracted by the sunshade is solved.

The application belongs to the technical field of camping supplies, and particularly relates to a vehicle-mounted shelter, which comprises a storage box, a mounting mechanism is fixed to the lower side of the storage box, a side cover is rotatably connected to the left side of the storage box through a hinge, and the side cover is fixedly connected with the storage box through a buckle lock. The shelter is conveniently mounted on a roof rack of a travel vehicle. When the shelter is needed to be used outdoors, the side cover is directly opened, two support strip-shaped plates are directly popped out of the storage box under the action of a torsion spring, and a top layer of shelter cloth is supported. The side shelter cloth is fixed at the lower end of a hanging plate through a connecting mechanism, so that the shelter is conveniently assembled. Through cooperation of the first support rod, the second support rod and the fixing belt, the shelter is reinforced, sunlight is effectively blocked, a line of sight is blocked, and the privacy of a user is ensured.

The utility model discloses a kind of folding automobile tent house of turning plate, travelling warehouse body, balcony board, crossbeam, soft cloth awning and protective curtain.The folding automobile tent house of turning plate, the front surface bottom of travelling warehouse body is rotatably connected with balcony board, the front side outside of balcony board is equipped with crossbeam, the top surface of crossbeam and the front surface of balcony board are jointly connected with soft cloth awning, the end of crossbeam and the side edge of balcony board are jointly fixed with protective curtain, car roof house is formed by travelling warehouse body, balcony is formed by the front side of travelling cabin body through balcony board, so that first door body on the front plate on travelling warehouse body can be directly walked out to balcony board to rest, while awning is formed by soft cloth awning on the front side of balcony board, it is convenient to sunshade when camping, further side protection effect is further played by protective curtain outside awning area, ground tent is formed, so that the outdoor function of the present automobile tent house is more comprehensive.

The invention relates to the technical field of building sunshade, and solves the problem that in an outdoor sunshade scene, due to the fact that reasonable cooling measures are not made for sunshade equipment, the sunshade equipment can generate secondary heat radiation to the interior of a room after being irradiated by the sun and heated, and the sunshade effect is poor. The invention provides a sun-shading system water replenishing adjustment control method and sun-shading equipment. The method comprises the steps that whether the first water content of the evaporation plate is smaller than or equal to the first preset water content or not is judged; if the first water content is smaller than or equal to a first preset water content, determining a first water absorption rate of the evaporation plate from a preset mapping relation between the water content and the water absorption rate according to the first water content; according to the first water absorption rate, the first water spraying rate of the water supplementing component is determined; and according to the first water spraying rate, the water supplementing component is controlled to supplement water to the evaporation plate. The indoor sunshade effect of the outdoor sunshade equipment can be improved.

The utility model belongs to the technical field of door curtain rod, specifically relates to a door curtain rod, including main rod, the main rod is tubular, is equipped with limit hole, baffle and magnet on the main rod, the magnet has a plurality of blocks and the adjacent setting of same polarity pole, is equipped with the connecting rod that passes through screw thread connection in the both ends of main rod, realizes the purpose of adjusting door curtain rod overall length through the coincidence length of adjusting connecting rod and main rod, the other end of connecting rod is connected with the curved rod that is set up in " U " type, one side of curved rod and main rod connection is equipped with fixed mechanism, the fixed mechanism is under the cooperation of self fixed plate and cooperation plate, passes through the depth of adjusting screw rod and enters fixed plate, can fine tune the length of fixed mechanism. Through the setting of above -mentioned component, not only make door curtain can close more closed, but also can prevent hand from hitting door frame, wall etc. when drawing door curtain to the end of door curtain rod, can also make door curtain rod fixed more firm.

The utility model relates to the technical field of swings, and discloses a multifunctional combined swing which solves the problems that in the using process of a swing, the height of the swing is inconvenient to adjust according to needs, the using width of the swing is inconvenient to adjust according to the number of users, the function is single, and therefore better practicability is inconvenient to achieve. The swing comprises a swing body assembly, a fixing column is installed at the top of the swing body assembly, a ceiling is fixedly installed at the top of the fixing column, supporting assemblies are installed at the two ends of the swing body assembly, the swing body assembly comprises a strip-shaped frame, the fixing column is fixedly installed in the middle of the top end of the strip-shaped frame, and a transverse rod is rotationally installed in the strip-shaped frame; according to the adjustable swing, in the using process of the swing, the height of the swing can be conveniently adjusted according to needs, the using width of the swing can be conveniently adjusted according to the number of users, the using functionality of the swing is improved, and therefore better practicability can be conveniently achieved.

The utility model discloses wearable display screen curing equipment which comprises an equipment machine table, a working table top is arranged at the upper end of the equipment machine table, a working module is installed on the working table top, and the working module comprises a feeding mechanical arm which is used for recognizing and taking materials from a feeding station, carrying the materials to a code reading mechanism for code reading and placing products on the feeding station; and the UV light source assembly is arranged on the UV curing station, can lift up and down and is used for UV curing of the surface of the product. The device is stable in operation, high in positioning precision, adjustable in curing area and obvious in shading effect, the yield is greatly improved, the repair frequency is reduced accordingly, the production efficiency is improved, and the labor cost is effectively saved.

The utility model discloses a four-color progressive sheet, which is formed by compounding a substrate and color layers, the substrate is divided into nine grid areas according to a nine-square grid, upper color layers are formed on the first to third grid areas, lower color layers are formed on the seventh to ninth grid areas, left color layers are formed on the first, fourth and seventh grid areas, and right color layers are formed on the third, sixth and ninth grid areas. The upper color layer and the left color layer coincide in the first grid, the upper color layer and the right color layer coincide in the third grid, the lower color layer and the left color layer coincide in the seventh grid, the lower color layer and the right color layer coincide in the ninth grid, and the fifth grid of the Sudoku keeps the color of the substrate. According to the utility model, the color change distribution is uniform, the shading effect is good, the use effect is good, the tailoring is easy, and the appearance is attractive.