87results about How to "Prevent injection" patented technology

The invention discloses a vehicle glass transparency control device and an intelligent vehicle. The vehicle glass transparency control device comprises a light sensor, a light adjusting film arranged on vehicle glass in a coating mode and a processing circuit, wherein the light sensor is used for outputting electric signals according to the irradiation intensity of light; and the processing circuit is connected with the light sensor and used for determining the irradiation intensity of the light according to the electric signals output by the light sensor and controlling the transparency of the light adjusting film arranged on the vehicle glass in the coating mode according to the irradiation intensity of the light. According to the vehicle glass transparency control device and the intelligent vehicle provided by the invention, the transparency of the vehicle window glass can be adjusted automatically according to the light intensity so that sunlight can be prevented from streaming into the vehicle so as to prevent the temperature in the vehicle from rising.

The invention discloses a crystalline silicon solar battery which comprises a grid metal electrode 22 at the front face, a window layer 23, a second conduction type heavily doped layer 24, a first conduction type lightly doped crystalline silicon substrate 26 and an electrode 27 at the back face in turn. Provided with the second conduction type heavily doped layer 24 which is thin enough and is thick enough in doping density, the invention can lower the recombination loss caused by the window layer 23, provided with the window layer 23, the invention can lower the ohmic loss caused by the second conduction type heavily doped layer 24 which is thin enough and is thick enough in doping density and simultaneously lower the sheltering loss caused by the grid metal electrode 22 at the front face, thereby enabling the transfer efficiency of a usual crystalline silicon solar battery to be enhanced by at least more than 10 percent.

The invention provides a micro-grid structure and a power quality control method thereof. The micro-grid structure comprises a plurality of distributive micro sources and a common busbar. The distributive micro sources are parallelly connected to the common busbar through corresponding feeder lines and respectively connected with nonlinear loads and linear loads, and the common busbar is connected with the nonlinear loads and the linear loads. A first switch is in parallel connection with an isolation transformer to control an input state of an inverter for compensation. A static switch which is an option switch is arranged at a point of common coupling, and option ends of the static switch correspond to a large power grid side and a ground terminal respectively.

The invention discloses a bismuth ferrite base film layer stacked structure capacitor and a preparation method thereof, wherein the capacitor comprises a bottom electrode, a substrate, a buffer layer, a ferroelectric film layer and a metal point electrode in sequence from the bottom to top; the buffer layer is a manganese-doped barium strontium titanate film, the chemical formula is Ba0.6Sr0.4Ti(1-x)MnxO3, x is the mole equivalent of element manganese, and x is equal to 0.005-0.05; and the ferroelectric film layer is a bismuth ferrite base film, the chemical formula is Bi(1-y)LnyFeO3, wherein Ln is one of lanthanide, y is the mole equivalent of lanthanide, and y is equal to 0.01-0.2. The preparation method is simple, and the obtained capacitor is a storage cell of a ferro-electric field effect transistor; and the capacitor overcomes the defects that the bismuth ferrite base film capacitor on ordinary silicon substrate has the defects of poor interface performance and high working voltage, and has good energy storage performance.

The invention provides a method and system for protecting a data structure in Linux kernel initialization based on a TPM (Trusted Platform Module). A mirror image main body of a Linux kernel, and a kernel page table, a GDT (Globe Descriptor Table) and an IDT (Interrupt Descriptor Table) (containing a system calling table) which are loaded during the process of the Linux kernel initialization are subjected to protecting operations based on the TPM, such as trusted verification, trusted data binding, trusted digital signature, and the like, so that the common opportunities of loading the Linux kernel during the initialization process by RootKit are avoided, the method is very suitable for the trusted initialization of the Linux kernel and the trusted initialization of a virtual machine under a present cloud computing environment, the method has an important practical significance in constructing a trusted cloud platform, and the market prospect and the application value are excellent.

The invention discloses a portable photoelectric badminton field simulating device, comprising a pair of upright posts, wherein a master control module, an infrared emission receiving module, a display output module, a laser projection module and a parameter adjusting module are respectively arranged inside each upright post; the master control module is respectively connected with the infrared emission receiving module, the display output module, the laser projection module and the parameter adjusting module. The boundary of a boundary badminton field is projected through the laser projection module, a common flat ground can be conveniently changed into a badminton field, the system can automatically detect whether the badminton passes through the net through an infrared emission receiving array and displays through the display output module without a network, and the parameters, such as the power of an infrared emission tube, the laser projection strength and the like can be adjusted through the parameter adjusting module, so that the optimal display effect is achieved to prevent the eyes from being damaged. The portable photoelectric badminton field simulating device is good in portability, simple to use, and low in cost.

The invention relates to a shutter, having revolving and retracting functions, including a window frame for holding the leaves, a revolving device, a retracting device, a driving device, and a transmission device. The revolving device is used for revolving each leaf at each angle at the same time; the retracting device is used for lifting all the independent leaves horizontally and collecting to the top of the window frame, putting down all the leaves, to collocate in the window frame evenly; the driving device is used for supplying power to the retracting device and the revolving device; the transmission device is used for transmitting the power to the retracting device and the revolving device. The invention also claims a control method of a shutter, including: starting the retracting motor forward and reverse, for collecting and unfolding the leaves; starting the revolving motor forward and reverse, for locating and resetting the leaves. The invention can make the leaves operated in normal order and return to the normal state correctly under failure, which can improve shielding, collecting light, ventilating and expanding view field.

The invention discloses an organic light-emitting device and an image display system containing the organic light-emitting device. The organic light-emitting device contains a first substrate, an organic light-emitting device pixel structure configured on an upper surface of the first substrate, a second substrate having a lower surface arranged opposite to the upper surface of the first substrate, and an optical functional layer configured above the organic light-emitting device pixel structure.

The invention discloses a radiation shield for meteorological measurement, and belongs to the technical field of a meteorological instrument, for solving the technical problem of providing a radiation shield for meteorological measurement, capable of reducing sensor radiation errors and lag errors. The radiation shield comprises at least three guide tubes, the two ends of each guide tube is provided with an opening, each guide tube is internally at least provided with a temperature sensor probe, at least one guide tube has relative good ventilation whatever wind directions the radiation shield is disposed at, and thus solar radiation errors and lag errors of the temperature sensor probe can be reduced. Even if one guide tube is damaged, other guide tubes can still work normally, the whole radiation shield is little affected, and the reliability is quite good.

The present invention discloses a manufacturing method of a nanocrystalline thin-film device for ultraviolet detecting, which includes: the soluble semi-conductor nanocrystalline material is dissolved into the solvent to obtain nanocrystalline solution; the nanocrystalline solution is on the substrate by using the spin-coating method or jet ink print method to form a homogeneous nanocrystalline thin film; the nanocrystalline thin film is proceed annealing treatment about 10-60 minutes at the temperature 100-350EDG C, then vapor plating electric pole on the nanocrystalline thin film. The method of the present invention compared with the semiconductor film ultraviolet detector of traditional gas-phase high-temperature growth can reduce the cost of the ultraviolet detecting optoelectronic device without a vacuum device, low film build temperature, simple preparation technique, and can develop the ''flexibility device''of the large size flexible device. Because nanocrystalline has super large surface area, the nanocrystalline thin-film device for ultraviolet detecting has the features of low dark current and high sensitivity, etc.

The invention provides a Bragg grating, a preparation method thereof and a distributed feedback laser, and belongs to the technical field of semiconductor lasers. The Bragg grating is arranged in a distributed feedback laser. The Bragg grating comprises a lower grating waveguide layer, a middle grating waveguide layer and an upper grating waveguide layer which are sequentially formed and have different refractive indexes; the refractive index of the middle grating waveguide layer is lower than the refractive index of the lower grating waveguide layer and the refractive index of the upper grating waveguide layer; the doping types of the lower grating waveguide layer and the middle grating waveguide layer are the same; the doping type of the upper grating waveguide layer is opposite to the doping types of the adjacent layers, so that a reverse biased PN junction can be formed on the upper grating waveguide layer; a plurality of grooves are formed in the upper grating waveguide layer at intervals in the cavity length direction of the distributed feedback laser; and the grooves are filled with buried layers to flatten the upper grating waveguide layer. The coupling coefficient of the Bragg grating can be increased along with the increase of the current of the distributed feedback laser, so that the cavity loss of the distributed feedback laser is reduced, and the response bandwidthis expanded.

The invention discloses an array substrate, a stretchable display panel and a display device, and relates to the technical field of electronic display devices. The array substrate includes a base substrate, a planarization layer, a pixel defining layer, a first electrode layer, and a thin film encapsulation layer which are successively stacked; a thin film transistor is disposed between the planarization layer and the base substrate; a plurality of openings are disposed to pass through the thin film encapsulation layer, the first electrode layer, the pixel defining layer, the planarization layer, and the base substrate to define a plurality of islands spaced apart; the edge of the first electrode layer extends to a sidewall covering the planarization layer for shielding the thin film transistor against light; the edge of the first electrode layer is in contact with a conductor; and the conductor passes through a bridge region arranged between the openings and the islands and used for connecting adjacent islands in order to be used as a power wire for connecting the first electrode layers of the adjacent islands.

The invention discloses an automobile sunscreen and snow protection remote control invisible windshield cover. The automobile sunscreen and snow protection remote control invisible windshield cover comprises a cylindrical shell and gear motors. Buckles are arranged on the two sides of the cylindrical plastic resin shell, cylindrical reels connected with the gear motors are arranged in the shell, groove buckles are arranged on the cylindrical reels, glass cover cross bars are clamped in the grooves, stainless steel coil bars are arranged on glass cover film cloth, the stainless steel coil bars are arranged in the longitudinal direction of a front windshield and a rear windshield of an automobile, the stainless steel coil bars and the glass cover film cloth are collected on and wound around the cylindrical reels together, and the top of the glass cover film cloth is transversely provided with a magnet strip. The automobile sunscreen and snow protection remote control invisible windshield cover is specifically used for shielding the front windshield and the rear windshield of the automobile and is simple in structure, ultraviolet light can be effectively prevented from being emitted into the front windshield and the rear windshield in summer, the temperature in the automobile is increased, and inconvenience caused by wind blowing and snowing can be avoided. The glass cover can rise after the automobile is stopped, dust, bird shit and leaves can be prevented from falling on glass, and the trouble of wiping the glass is saved. The automobile sunscreen and snow protection remote control invisible windshield cover is an ideal choice for driver friends.

A camera light-leakage prevention device comprises a lamp plate and a shading member. The central part of the lamp plate is provided with a through hole for a lens passing through. One side surface of the lamp plate, encircling the through hole, is provided with several infrared lamps. The shading member is fixed to the lamp plate and contains an annular shading body positioned between the through hole and the infrared lamps. The shading member is arranged between the infrared lamps of the lamp plate of the camera light-leakage prevention device and the through hole for the lens passing through so as to isolate the infrared lamps and the lens, and light of the infrared lamps can be prevented from penetrating the lens.

The invention discloses an oil paint recovery system for environmental protection paint. A light separating device which is used for manufacturing an operating space with a dark room environment of exposure prevention, an oil paint recovery device which is used for recovering the oil paint with a surface adhesion method, an oil paint anti-leakage filter device which is used for adsorbing the rest oil paint by filter paper, and a ventilation device are successively arranged in a passage of the system, wherein a recovered oil paint storage device which is used for receiving the recovered paint is arranged at the lower part of the oil paint recovery device. The system enables redundant ejected oil paint to be effectively recovered and recycled, so as to achieve the high efficient and environmental protection purposes in the true sense; a brand-new precedent for recovering and recycling the oil paint is initiated for the existing painting equipment and the existing painting environment, and therefore the using cost of UV paint is changed into the cost which can be accepted by people and is much lower than that of the existing oily solvent paint; the solvent oil paint is naturally replaced because of high cost, so as to effectively solve the problem that the oil paint is refused to use by social users because of high cost.

The invention discloses a display device. The display device comprises a display panel and a side-entry fingerprint recognition light source, the display panel comprises an array substrate and an opposite substrate which are oppositely arranged, the opposite substrate comprises a first shading layer, and the first shading layer comprises a plurality of first opening parts; the array substrate comprises a second shading layer and a light sensing element, the light sensing element is located on the side, close to the first shading layer, of the second shading layer, and the light sensing elementand the first shading layer are at least partially overlapped in the direction perpendicular to the display panel; the display panel further comprises a plurality of pixel units, each pixel unit comprises a plurality of sub-pixels, each sub-pixel comprises a light-transmitting area, in the direction perpendicular to the display panel, the light-transmitting areas and the first opening parts are at least partially overlapped, and fingerprint recognition light reaches the light sensing element through the light-transmitting areas to be subjected to fingerprint recognition. The first shading layer and the second shading layer are arranged on the two sides of the light sensing element, so that other light sources except the fingerprint recognition light source are prevented from entering thelight sensing element, and the fingerprint recognition precision is improved.

The invention discloses a liquid crystal display screen and a display device, which belong to the technical field of display. The liquid crystal display screen comprises a liquid crystal display panel, a backlight module, sealing glue and a first polaroid, the backlight module is located on one side of the liquid crystal display panel, the first polaroid is located between the liquid crystal display panel and the backlight module, a first through hole is formed in the backlight module, a second through hole is formed in the first polaroid, a blind hole is defined by the first through hole, thesecond through hole and the liquid crystal display panel, photosensitive devices such as a camera can be arranged in the blind hole, the sealing glue is bonded to the inner wall of the blind hole andfixedly connected with the backlight module, the liquid crystal display panel and the first polaroid in a bonding mode, light emitted by the backlight module can be prevented from being emitted intothe blind hole from the position between the backlight module and the liquid crystal display panel, and light is prevented from influencing a photosensitive device in the blind hole.

The invention relates to a highway tunnel entrance and exit shading facility. The facility is suitable for an east-west tunnel entrance and exit with the speed limit ranging from 60 km/h to 80 km/h. The highway tunnel entrance and exit shading facility is composed of a supporting facility at the bottom, a connecting facility on the upper layer, a shading facility body at the top and a sight line induction system. The supporting facility comprises an arc-shaped reinforced concrete stand column; the connecting facility comprises a transverse annular arch frame, a longitudinal connecting steel pipe and an oblique connecting steel pipe; the shading facility body comprises light-transmitting plates with different light transmittances and an oblique shading plate arranged below the light-transmitting plates; the sight line induction system comprises an annular light reflection component and a flexible warning column; the annular light reflection component is a low-frequency annular light reflection component; the flexible warning column is a high-frequency flexible warning column; the reinforced concrete stand column is a medium-frequency reinforced concrete stand column; the transverseannular arch frame is a medium-frequency transverse annular arch frame; and the oblique shading plate is a high-frequency oblique shading plate. Coordination and unification of tunnel lighting energyconservation and driving safety can be achieved.

The invention relates to a medicine feeder for an infant, comprising a medicine feeding head and an air pressure ball head, wherein a liquid inlet channel is arranged inside the medicine feeding head; liquid outlet holes communicated with the liquid inlet channel are respectively arranged at two sides of the head of the medicine feeding head; and the inside widths of the liquid outlet holes at two sides of the medicine feeding head are sequentially designed to be small, medium and large from inside to outside in sequence. According to the medicine feeder for the infant, the medicine amount of the medicine feeder can be controlled; the speed of liquid medicine can be buffered in the process of passing through the nipple-shaped medicine feeding head; the infant is ensured to be feed with medicines more conveniently, more comfortably, safely and more sanitarily during; and the psychological resistance is reduced.

The invention provides a plane-coated formed condom. A reinforcing block (4) is arranged at the lower end of a body (1), a reinforcing strip (3) is arranged at the upper end of the body (1), the outeredge of the body (1) is coated with glue (2), the surfaces of the reinforcing strip (3) and the reinforcing block (4) are coated with the glue (2), a positioning element (6) is arranged at the connected part of the reinforcing block and the body, an automatic sealing strip (5) is arranged at the edge of the body (1), and the surface coated with the glue (2) is covered with a layer of detachable paper film.