35results about How to "Not easy to make" patented technology

The invention discloses a touch panel and a touch display panel. The touch panel is provided with an active area and a peripheral area around the active area and comprises a cover plate, a touch sensing component, a non-black layer, a plurality of transmission circuits and a protective layer. The touch sensing component is disposed on the cover plate and located in the active area. The non-black layer is disposed on the cover plate and located in the peripheral layer. The transmission circuits are disposed on one side of the non-black layer, which is far away from the cover plate. The transmission circuits located in the peripheral area are electrically connected to the touch sensing component. A reflecting pattern layer is disposed on one side of the non-black layer, which is far away from the cover plate and is located in the peripheral area. The reflecting pattern layer is at least located in the area of the peripheral area, which is not covered by the transmission circuits. The protective layer is disposed on one side of the transmission circuits, which is far away from the cover plate. Sufficient shading can be achieved without increasing thickness of the non-black layer of the touch panel.

The invention discloses an antiskid massage wood floor block which comprises a wood floor block and a massage block, wherein a circular hole is arranged on the wood floor block; the wood floor block and the massage block are bonded together by adopting WBP (water-boiled proof) glue; a male groove and a right-angle hook are arranged on one side surface of the wood floor block, and a matching female groove and the right-angle hook are arranged on the opposite side surface; and the peripheries of all the wood floor blocks are mutually spliced together for forming a floor. The antiskid massage wood floor block can be used for home decoration and fitment, laid in megastores, supermarkets, public places and the like and achieve the purposes of removing diseases and building human bodies by massage the feet. The wood floor blocks are mutually meshed and firmly connected; simultaneously, viscose glue is not used, thereby being economic, environmental-friendly and convenient to mount; and the floor can avoid the defects of upwarp, cracking and the like, and the service life of the floor is prolonged.

The invention provides a microcrystalline jade decorative material based on graphene. The material is prepared from the following components in parts by weight: 20-70 parts of stone tailings, 20-75 parts of silicon dioxide, 1-15 parts of graphene, 1-5 parts of silicon carbide whiskers, 1-10 parts of lithium feldspar, 1-10 parts of sodium feldspar, 0-20 parts of aluminum oxide or aluminum hydroxide, 1-15 parts of high-temperature cosolvent, 10-40 parts of calcium carbonate, 0-5 parts of zinc oxide, 0-10 parts of barium carbonate, 1-10 parts of boron oxide, 1-10 parts of sodium carbonate, 1-8 parts of titanium dioxide, 1-8 parts of yttria, 0-5 parts of antimonous oxide, 0.05-5 parts of dispergator, 0.05-5 parts of stabilizer and 0-5 parts of inorganic pigment. The crystalline jade produced by a sintered molding method has surface and section without pore, has a transparent or translucent jade state, and has natural jade glossy and waxy texture.

The invention relates to a suction catheter for sucking thrombotic substances, which comprises a front-end catheter, wherein the front-end catheter is composed of a spring tube, a polyurethane tube and a coating; the spring tube is provided with a developing head and is also provided with a suction region and an observation region; a suction hole is formed in the left part of the polyurethane tube; a metal wire penetrating through the front-end catheter is arranged in the front-end catheter; the right end of the front-end catheter is connected with a connecting tube; the right end of the connecting tube is connected with a two-way valve; a cylindrical valve plug is arranged at the upper part of the two-way valve; a threaded connector is arranged at the right part of the two-way valve; the threaded connector is connected with a rear-end catheter through threads; threaded butt joints matched with the threaded connector are respectively arranged at the left part and right part of the rear-end catheter; and the right part of the rear-end catheter is connected with a suction syringe through threads. The suction catheter is simple in structure, convenient in operation, low in manufacturing cost, convenient in clinical use, and capable of effectively eliminating thrombi and cataclastic atheromatous plaques in coronary arteries, recovering coronary artery blood flow and myocardial tissue perfusion as well as recovering cardiac functions.

The invention provides a foam line starching device, belonging to the field of production equipment of architectural decoration lines. The foam line starching device comprises a workbench, a positioning guide device and a scraping device, wherein the workbench is provided with a horizontal working surface; the positioning guide device comprises a vertical extrusion mechanism, a positioning plate and a transverse extrusion mechanism, the vertical extrusion mechanism is used for pressing a foam line on the workbench, and the positioning plate and the transverse extrusion mechanism are used for extruding the foam line from the two sides; the positioning guide device can enable the foam lines to keep linear motion, and the thickness of coated mortar is uniform; the scraping device comprises a mortar groove and a material pressing mechanism, the mortar groove is used for coating mortar on the surface of the foam line, and the material pressing mechanism is used for compacting the mortar coated on the surface of the foam line. When passing through the mortar groove, the foam line orderly passes through a feeding inlet, a feeding outlet and a material pressing outlet of which the sizes are orderly increased; after the foam line passes through the feeding outlet, the surface of the foam line is coated with thick mortar; after the foam line is extruded by the material pressing mechanism, the mortar on the two sides of the foam line becomes thinner and more compact and is not easy to fall off.

Disclosed is an injection molding method and an injection molding device, capable of compressing synthetic resin in a die cavity without generating burrs, thereby producing synthetic resin products with excellent appearance. The producing of the die is easy, low in cost and higher in durability. The method includes feeding heating media to a heating medium path of a sleeve sheet of a fixed die portion and a mobile die portion for heating to a temperature higher than the softening point of the synthetic resin; injecting and filling the molten synthetic resin into a die cavity and pressurizing; feeding heating media to a heating medium path of a sleeve sheet installation body of a fixed die portion and a mobile die portion for heating so as to make the sleeve sheet installation body undergo thermal expansion before or after pressurizing, supplying coolant to the heating medium path of the sleeve sheet to cool after the thermal expansion and compressing the synthetic resin with a pressure higher than injection pressure of the synthetic resin and at the same time curing the synthetic resin.

The present invention discloses an anti-radiation dish preparation method, and relates to the field of food preparation methods. The preparation method comprises: cleaning and cutting kelp strips into segments with a length of 1 cun; cutting pork loin into strips, and starching by using yellow wine, salt, eggs and clear water starch; cutting winter bamboo shoot into strips; cutting 50 g of auricularia auricula into strips, scalding by using boiled water added with oil and salt, and taking the auricularia auricular strips to be spare; cutting carrot into strips; mincing bean paste; cutting pickled hot pepper; blending white sugar, refined salt, soy sauce, vinegar, yellow wine, and water starch into gravy; adding oil to a pot, heating, frying the pork loin strips until cooking, taking the pork loin strips, and draining the oil, wherein a small amount of the oil is remained on the bottom of the pot; adding diced green onion, diced ginger, and garlic puree, and carrying out stir-frying until fragrance is generated; adding the minced bean sauce and the cut pickled hot pepper, carrying out stir-frying for 10 min, adding the carrot strips and the kelp strips after fragrance is generated, and carrying out stir-frying for 5 min; and adding the cooked pork loin strips, pouring the blended gravy in the bowl, and rapidly and uniformly stirring to obtain the finished product. The present invention provides a preparation method for an anti-radiation dish with a characteristic of infection resistance.

The invention discloses a road crossing protective device for a liquid conveying pipeline. The road crossing protective device comprises more than one protective units; the protective units comprise intermediate impact resisting plates, the side portions of the intermediate impact resisting plates are connected with impact resisting plates, and the intermediate impact resisting plates and the impact resisting plates are assembled to form a ramp across the liquid conveying line; a U-shaped groove for passing through the liquid conveying pipeline is formed in the bottom of the intermediate impact resisting plates; and the intermediate impact resisting plates and the impact resisting plates are connected through mortise and tenon structures, the mortise and tenon structures are trapezoidal clamping slots and trapezoidal protrusions, and the bottom portions of the trapezoidal clamping slots are provided with baffles which prevent connected portions from separating up and down. According tothe road crossing protective device for the liquid conveying pipeline, no exposed handle is arranged, the road crossing protective device can be fixed relative to the ground, the connection between the impact resisting plates is reliable, and the liquid conveying pipeline can be effectively protected; and the pressure resistance of intermediates is enhanced, and the damage to the pipeline due tothe pressure is avoided.

The invention relates to the technical field of transaction verification, and provides a digital signature generation method and device, a computer device and a storage medium. The method comprises: selecting an elliptic curve Ep(a, b) and a base point G, and the order of the base point G being N; obtaining n private keys, calculating a public key P according to a first signature algorithm, n being a natural number larger than 1, and i belonging to {1, 2, ..., n}; acquiring n random numbers ki, and calculating first signature information r according to a second signature algorithm; and according to the n private keys, n random numbers ki and the first signature information r, calculating second signature information s according to a third signature algorithm. According to the method, the public key and the digital signature information are calculated and generated by generating the n private keys and the n random numbers, so that the risk that the private keys are stolen can be effectively reduced, and the property and information security of private key owners is protected. Moreover, the digital signature generated by the digital signature generation method can be applied to a traditional ECDSA signature verification algorithm during signature verification, so that the digital signature generation method can adapt to various application environments.

The invention discloses a water-absorbable spliced wood floor which comprises floor blocks, wherein a groove is arranged on each floor block, and a water-absorbing sponge strip is placed in each groove; a male groove and a right-angle hook are arranged on one side surface of each floor block, and a matching female groove and the right-angle hook are arranged on the opposite side surface; the peripheries of all the floor blocks are mutually spliced together for forming the floor; the grooves penetrates through the whole floor blocks and are uniformly distributed on the floor blocks, and the depth of the grooves is one half of that of the floor blocks; the top surface of each water-absorbing sponge strip is in the shape of a circular arc and exposed on the upper surface of the corresponding floor blocks; and each water-absorbing sponge strip is made of hydrophilic polymer polyvinyl alcohol. As for the water-absorbable spliced wood floor, the water-absorbing sponge strips can be replaced, the water absorption and the water retention capacity are high, the softness is good, the wear resistance is high and the water-absorbable spliced wood floor simultaneously has the antiskid function. The floor is widely suitable for decoration of bathrooms, kitchens, public places and the like.

The invention discloses a two-sided solar cell. According to the two-sided solar cell, a photonic crystal reflecting layer (4), a second transparent electrode layer (3), a top cell layer (2) and a first transparent electrode layer (1) are sequentially deposited on one surface of a glass sheet (5); a third transparent electrode layer (6), a bottom electrode layer (7) and a metal back electrode layer (8) are sequentially deposited on the other surface of the glass sheet (5), and therefore the two-sided solar cell is obtained. The two-sided solar cell innovatively provides the theory that light current matching is regulated through the photonic crystal layer instead of tunnel junctions, and overcomes the defects that in a traditional solar cell, the conversion efficiency of a single cell is low, tunnel junctions of a plurality of cells are not easy to manufacture, and light currents of two cells are not prone to matching. The two-sided solar cell has the advantages that a laminated solar cell is divided into two parts which are manufactured on the two surfaces of the glass, tunnel junctions are omitted, and meanwhile photonic crystals are introduced to adjust light absorption so as to achieve the light current matching effect.

The invention discloses a fan system to connect a power supplier electrically, which comprises the following parts: first switch, second switch, coil and driving device, wherein the driving device consists of third switch and fourth switch; the first, second, third and fourth switches and coil form bridged connection.

The invention discloses a formulation of vitamin E soft capsules and relates to the technical field of medicine and healthcare food. The vitamin E soft capsules comprise, by weight, 100-300 parts of natural vitamin E, 50-200 parts of perilla seed oil, 0.5-1 part of glyceryl monostearate, 5-10 parts of konjac glucomannan, 30-60 parts of gelatin, 10-30 parts of glycerin and 30-60 parts of purified water. The invention further discloses a preparation method of the vitamin E soft capsules. The vitamin E soft capsules have efficacy of beautifying face and nourishing skin, improving fertility, preventing and treating cardiovascular diseases and treating oral diseases.

The invention provides a foam line starching device, belonging to the field of production equipment of architectural decoration lines. The foam line starching device comprises a workbench, a positioning guide device and a scraping device, wherein the workbench is provided with a horizontal working surface; the positioning guide device comprises a vertical extrusion mechanism, a positioning plate and a transverse extrusion mechanism, the vertical extrusion mechanism is used for pressing a foam line on the workbench, and the positioning plate and the transverse extrusion mechanism are used for extruding the foam line from the two sides; the positioning guide device can enable the foam lines to keep linear motion, and the thickness of coated mortar is uniform; the scraping device comprises a mortar groove and a material pressing mechanism, the mortar groove is used for coating mortar on the surface of the foam line, and the material pressing mechanism is used for compacting the mortar coated on the surface of the foam line. When passing through the mortar groove, the foam line orderly passes through a feeding inlet, a feeding outlet and a material pressing outlet of which the sizes are orderly increased; after the foam line passes through the feeding outlet, the surface of the foam line is coated with thick mortar; after the foam line is extruded by the material pressing mechanism, the mortar on the two sides of the foam line becomes thinner and more compact and is not easy to fall off.

The present invention discloses an appetite increase and digestion promoting soup preparation method, and relates to the field of food preparation methods. The preparation method comprises: washing 500 g of water chestnuts, removing skin, and cutting the water chestnuts into small blocks to be spare; cutting 200 g of carrot into small blocks to be spare; mixing 500 g of refined meat stuffing and 250 g of water according to a ratio of 2:1, and adding 10 g of green onion, 5 g of minced ginger, 5 g of pepper powder, 5 g of salt, 5 g of sugar, and 5 g of a cooking wine to blend into chewiness meat stuffing; boiling a pot of boiling water, adding the water chestnuts and the carrot, and boiling until the materials roll; carrying out quick boiling of 500 g of the meat stuffing into pellets, and adding the pellets into the pot; continuous boiling for 5 min after the meat pellets completely float; and adding 10 g of coriander herb, 5 g of salt, and 5 g of pepper powder to obtain the finished product. The present invention provides a preparation method for an appetite increase and digestion promoting soup with a characteristic of infection resistance.

A preparation method of a skeleton-wrapping electrothermal functional ceramic comprises the following steps: weaving a single fiber to obtain a fabric, wherein the single fiber is any one of a polyacrylonitrile fiber, a cellulose fiber, a protein fiber, an asphalt fiber and a resin fiber; changing the form of the fabric as needed to obtain a blank core skeleton, wherein the changing process includes any one or any combination of cutting, lamination and stitching; wrapping the blank core skeleton with a ceramic precursor to obtain a molded body; feeding the molded body into a ceramic kiln; andsintering the molded body under an oxygen barrier condition to obtain the electrothermal functional ceramic. The product has the advantage of high electrothermal utilization rate, no generation of electromagnetic radiation waves, high security, and suitableness for large-scale production.

The invention discloses a lung moisturizing and qi benefiting soup preparation method, and relates to the field of food preparation methods. The preparation method comprises: scalding 500 g of chicken, adding 1200 g of water in one time, boiling to achieve a rolling state, maintaining fire for 10 min, then adding 200 g of medicinal Chuanminshen, 50 g of ginkgo, 100 g of common yam rhizome, 100 g of red date, 100 g of white bean, and 50 g of medlar, stewing for 90 min with slow fire, and adding 20 g of salt to obtain the finished product. The present invention provides a preparation method for a lung moisturizing and qi benefiting soup with a characteristic of infection resistance.

The embodiment of the invention provides a mobile electronic equipment protection sleeve, mobile electronic equipment and a mobile electronic equipment system, relates to the technical field of electronic equipment, and linear adjustment of a support angle of the mobile electronic equipment can be conveniently realized and the use comfort of a user is improved. The mobile electronic equipment protective sleeve comprises an upper cover and a lower cover which are rotatably connected along a first overturning axis, the upper cover comprises a back supporting part and an attaching part which arerotatably connected along a second overturning axis, the back supporting part and the lower cover are rotatably connected along the first overturning axis, and the part, close to the first overturningaxis, of the lower cover comprises a bottom supporting area. The bottom supporting area can be used for enabling the bottom of the mobile electronic equipment to slide within the range of the bottomsupporting area, and the bottom supporting area is provided with a first adsorption piece capable of adsorbing the bottom of the mobile electronic equipment. The mobile electronic equipment protectivesleeve provided by the embodiment of the invention is used for protecting the mobile electronic equipment.

The invention discloses a cold region stratum multi-physical process variable force testing device and method. The testing device comprises a variable force mechanism, a bearing mechanism for containing a soil sample, a freezing and thawing circulation mechanism and a data monitoring mechanism. The bearing mechanism is connected with the variable body force mechanism, and the variable body force mechanism is used for driving the bearing mechanism to rotate, so that the soil sample on the bearing mechanism obtains acceleration. The freezing and thawing circulating mechanism comprises a cold bath module and a water supplementing module, the cold bath module and the water supplementing module are both connected with the bearing mechanism, and the cold bath module is used for performing heat exchange with the soil sample to adjust the temperature of the soil sample, so that a freezing and thawing environment can be simulated; the water supplementing module is used for adjusting the water content of the soil sample. The data monitoring mechanism is used for monitoring the temperature, water content and deformation of the soil sample. According to the test device provided by the embodiment of the invention, the accuracy of a test result is improved by accurately simulating a temperature field, a moisture field and a stress field of a cold region stratum.

The invention relates to the technical field of new material preparation, in particular to a monoclinic crystal system crystal form substance and a preparation method thereof. The molecular formula of the monoclinic crystal system crystal form substance is MoP2; the monoclinic crystal system crystal form substance comprises the following unit cell parameters of alpha = 90 degrees, beta = 119.192 + / -0.006 degrees and gamma = 90 degrees, the crystal form space group is C2 / m, and the crystal system belongs to a monoclinic system. According to the present invention, the limitation that the high red phosphorus vapor pressure easily causes the explosion of the quartz tube can be overcome by using the high temperature and high pressure conditions so as to prepare the MoP2 single crystal with the bottom-centered monoclinic structure, the crystal has the good crystallization quality, the single-crystal X-ray diffraction results prove that the single-crystal has the single phase, and the single-crystal X-ray diffraction results show that the single-crystal does not contain the impurities or the koelreuteria paniculata crystal.

The invention relates to a hot pressing table card not easy to stain. The hot pressing table card not easy to stain is composed of a first transparent plastic plate, a card and a second transparent plastic plate; the card is located between the first transparent plastic plate and the second transparent plastic plate, and the three are heat-pressed to form a whole; and the hot pressing table card not easy to stain is subjected to hot bending treatment to form a base. The hot pressing table card of the invention can be used not only in the field of office supplies, but also for long-term preservation of culture and art materials such as photos and calligraphy and paintings; and the hot pressing table card mainly enables the sealed card to be disposed between the first transparent plastic plate and the second transparent plastic plate, and the first transparent plastic plate and the second transparent plastic plate are heat-pressed into a seamless whole, so that the inner card is not easily stained, is not subject to timeout, and is stored for a long time.

The invention discloses a rotary tiller knife seat, which comprises a knife seat body, a reinforcing eaves and a reinforcing rib; the knife seat body is a hollow steel pipe with rounded corners, the upper end of the knife seat body is a plane, and the lower end The arc surface extending on the left and right sides; the front side wall of the knife seat body is provided with a regular hexagonal through hole, and the rear side wall is correspondingly provided with a circular through hole, and the top of the knife seat body is provided with a reinforcement protruding around. The eaves are respectively provided with reinforcement ribs between the reinforcement eaves and the two narrower side walls of the tool holder body. The knife seat has a simple structure and a reasonable design, significantly increases the hardness and strength of the knife seat, is not easy to crack, and has a significantly prolonged service life. The invention also provides a manufacturing method of the knife seat, which is simple and easy to operate, has high production efficiency and low production cost, and ensures the mechanical properties of the knife seat without heat treatment.

The invention relates to a preparation method for traditional Chinese medicine composition for treating nephropathy. Auxiliary rheum officinale is soaked and then subjected to treatment combining heating reflux water extraction and alaochol extraction, so that active ingredient dissolving-out amount of rheum officinale anthraquinones is effectively increased and the cold property of rheum officinale is improved when water-soluble substances of the rheum officinale are dissolved out, and the dosage proportion of the rheum officinale raw powder is greatly reduced, and the influence of the bitter and cold property of rheum officinale raw powder to drugs and human body is reduced, thereby improving the drug effect and reducing the cost. Water extract of raw material drugs of radix pseudostellariae and the like is refined and purified by adopting a macroporous resin adsorption method, active ingredients in the formula are highly enriched, and components of sugars, inorganic salts and the like in decoction are removed, so that the extract is small size, not prone to absorb water, and easily prepared into various drug forms, and heavy metals and a great deal of organic residues can be effectively removed, the phenomena of being thick, large and black of the conventional traditional Chinese medicine preparation are changed, the effects of removing rough products and obtaining fine products, and improving drug quality are achieved, and the preparation method is suitable for being popularized and applied in the traditional Chinese medicine field for treating nephropathy.

The invention relates to a product manufacturing method adopting a shrinkable sleeve to reduce or avoid an object surface finishing procedure. An object is made or cut into a strip shape or a block shape according to the width or thickness needed in production and manufacturing, the object is sleeved with the shrinkable sleeve, thermal shrinkage or cold shrinkage is conducted on the shrinkable sleeve, the shrinkable sleeve tightly wraps the object, and then primary components are formed; the surface of the object is provided with hot melt adhesive or the inner wall of the shrinkage sleeve is provided with a hot melt adhesive; the primary components can also be cut into secondary components according to the length or shape needed in production and manufacturing; the primary components or the secondary components can be connected through fasteners to constitute the needed product. The manufacturing materials of the shrinkable sleeve can include illuminant or a light stabilizer. Patternsor forms or characters or logos or lines or concave and convex points or laser processing can be arranged on the outer surface of the shrinkable sleeve.

The invention relates to a preparation method for traditional Chinese medicine composition for treating nephropathy. Auxiliary rheum officinale is soaked and then subjected to treatment combining heating reflux water extraction and alaochol extraction, so that active ingredient dissolving-out amount of rheum officinale anthraquinones is effectively increased and the cold property of rheum officinale is improved when water-soluble substances of the rheum officinale are dissolved out, and the dosage proportion of the rheum officinale raw powder is greatly reduced, and the influence of the bitter and cold property of rheum officinale raw powder to drugs and human body is reduced, thereby improving the drug effect and reducing the cost. Water extract of raw material drugs of radix pseudostellariae and the like is refined and purified by adopting a macroporous resin adsorption method, active ingredients in the formula are highly enriched, and components of sugars, inorganic salts and the like in decoction are removed, so that the extract is small size, not prone to absorb water, and easily prepared into various drug forms, and heavy metals and a great deal of organic residues can be effectively removed, the phenomena of being thick, large and black of the conventional traditional Chinese medicine preparation are changed, the effects of removing rough products and obtaining fine products, and improving drug quality are achieved, and the preparation method is suitable for being popularized and applied in the traditional Chinese medicine field for treating nephropathy.

The invention discloses an active variable resistor which inputs a set resistance value through an upper computer, the upper computer transmits the resistance value to a single-chip microcomputer MCUfor processing, and the single-chip microcomputer MCU determines the on-off positions and number of MOS transistors according to the set resistance value and port voltage and controls VCVS voltage tosimulate a small-resistance resistor. The MCU detects the change of current and voltage to obtain the change of the resistance value of the whole circuit, and controls the MOS transistors or VCVS voltage through a built-in incremental PI algorithm of the MCU, thereby achieving the temperature compensation of the resistor, and reducing other additional errors. According to the invention, the resistance value can be read and adjusted conveniently, a mechanical structure is avoided, the size is reduced, certain stability is achieved, and the circuit has a wide prospect in the field of circuit design.

The invention provides a non-interference self-adaptive sleeping posture recognition method based on pillow finite element analysis. The method comprises the following steps: S1, acquiring pressure distribution or indentation shape of a human-pillow interface through a pillow system; S2, analyzing the acquired human-pillow interface pressure distribution or indentation shape by using a finite element, and constructing human-pillow interface pressure matrix or indentation amount matrix data; S3, carrying out the corresponding training of the human-pillow interface pressure or depression matrix sample data through a support vector machine multi-classifier, and constructing an accurate recognition criterion; S4, identifying and classifying the to-be-predicted human body sleeping posture data through an identification criterion to obtain a classification result. According to the method, the sleeping postures are accurately recognized under the condition that real sleep is not affected, the sleeping postures are effectively recognized and classified by using human-pillow interface pressure distribution or depression shapes, finite element analysis and optimal classification hyperplane analysis in multiple classifiers of a support vector machine, and a technical support is provided for evaluating the sleep quality of the human body and achieving intelligent design and customized production of the pillow.

The invention discloses a two-sided solar cell. According to the two-sided solar cell, a photonic crystal reflecting layer (4), a second transparent electrode layer (3), a top cell layer (2) and a first transparent electrode layer (1) are sequentially deposited on one surface of a glass sheet (5); a third transparent electrode layer (6), a bottom electrode layer (7) and a metal back electrode layer (8) are sequentially deposited on the other surface of the glass sheet (5), and therefore the two-sided solar cell is obtained. The two-sided solar cell innovatively provides the theory that light current matching is regulated through the photonic crystal layer instead of tunnel junctions, and overcomes the defects that in a traditional solar cell, the conversion efficiency of a single cell is low, tunnel junctions of a plurality of cells are not easy to manufacture, and light currents of two cells are not prone to matching. The two-sided solar cell has the advantages that a laminated solar cell is divided into two parts which are manufactured on the two surfaces of the glass, tunnel junctions are omitted, and meanwhile photonic crystals are introduced to adjust light absorption so as to achieve the light current matching effect.