15results about How to "Increase reflective area" patented technology

The invention belongs to the technical field of wave absorption, and provides a variable-wall-thickness composite material honeycomb interlayer wave-absorbing structure and an integrated preparation method thereof. The core structure in the middle wave-absorbing layer is composed of a plurality of variable-wall-thickness unit cell cores arranged in an array mode, the reflection frequency of electromagnetic waves in the structure can be increased, the electromagnetic wave absorption frequency band is widened, and the electromagnetic wave absorption loss is improved. The reflecting layer of the interlayer wave-absorbing structure is prepared from a composite material composed of conductive continuous fibers and high-performance thermoplastic resin, the wave-transparent layer is prepared from a composite material composed of low-dielectric-constant continuous fibers and high-performance thermoplastic resin, and the core layer is prepared from thermoplastic high-performance resin containing magnetic loss and electrical loss wave-absorbing agents. The preparation method is easy to operate, the process is stable, raw materials are wide, integrated overall printing of the complex sandwich wave-absorbing structure can be achieved, and good application prospects are achieved.

The invention relates to a semiconductor structure and a forming method thereof, the semiconductor structure comprises a first substrate, the first substrate comprises a plurality of mutually discrete photosensitive areas and isolation areas located between the adjacent photosensitive areas, the first substrate comprises a first surface and a second surface which are opposite, and the second surface is used as a light incident surface; the deep trenches are located in the isolation regions, the deep trenches penetrate through the first substrate in the normal direction of the surface of the first substrate, each deep trench comprises a first trench region and a second trench region, the distance from the first trench region to the first surface is smaller than the distance from the second trench region to the first surface, the first trench region has a first projection on the surface of the first substrate, and the second trench region has a second projection on the surface of the second substrate; the second groove region has a second projection on the surface of the first substrate, and the second projection is located in the range of the first projection; the isolation structures are located in the deep trenches, each isolation structure comprises a light reflection layer, the utilization rate of incident photons is improved, light transmission and reflection losses are reduced, and then the photon detection efficiency is improved.

This invention relates to a low-noise optical module three-temperature testing device, comprising a test box with a test cavity formed inside. An air inlet pipe is connected to the test box and communicates with the test cavity. A first silencing cavity is also formed inside the test box, and a first exhaust channel communicating with the first silencing cavity is provided on the test box. A duct is also connected to the test box, connecting the test cavity and the first silencing cavity. By setting up the first silencing cavity and connecting it to the test cavity via the duct, this invention not only extends the gas flow path within the test box and serves to store airflow, but also significantly increases the gas flow area and the diffuse reflection area and number of reflections within the test box, thereby reducing gas velocity and noise energy, achieving noise reduction. The test cavity-duct-first silencing cavity can form a Venturi effect, resulting in better noise reduction.

The utility model provides a reflective film capable of being embossed to form an edge. The reflective film comprises a film body, the film body is provided with a reflective surface layer, a waterproof layer, a polystyrene foam layer and a bottom glue layer which are laminated from top to bottom; the thickness of the polystyrene foam layer is greater than that of the waterproof layer, and the thickness of the polystyrene foam layer is greater than that of the bottom glue layer; the polystyrene foam layer is configured to be capable of correspondingly forming a whole circle of edge finding structure on the peripheral side of the film body in an overflow form after the reflective film is embossed and formed; the polystyrene foam layer is arranged in the film body, the thickness of the polystyrene foam layer is larger than the thickness of the waterproof layer and the thickness of the bottom glue layer, a continuous and uniform edge finding structure can be formed on the periphery of the reflective film at a time according to the principle that polystyrene foam overflows during imprinting forming, and continuous annular protrusions are formed on the periphery of the edge finding structure, so that the reflective area is enlarged, and the reflective effect is improved. Light rays can be reflected more effectively from the side direction and different angles, and the warning effect is remarkably improved.

The invention relates to a display panel and a display device.The display panel is provided with a first display area and a second display area, the display panel comprises a substrate, a plurality of light emitting devices and a partition structure, the partition structure and the light emitting devices are all arranged on the substrate, and the partition structure is provided with a plurality of first openings and a plurality of second openings; each light-emitting device is located in one of the first openings; wherein the arrangement density of the first openings in the first display area is larger than that of the first openings in the second display area, and the second openings are located in the second display area. The display panel can improve the problem of poor display performance of the display panel.

The utility model discloses a corner reflecting device with a rotating function. The corner reflecting device comprises a cross beam, corner reflecting plates arranged at the two ends of the cross beam, a base for integrally supporting, a motor driving system arranged in the base, and a rotary supporting mechanism for connecting the cross beam and the base. The corner reflecting plate is formed by vertically welding a rectangular plate, an isosceles triangle plate and two right-angle triangular plates, and is used for reflecting electromagnetic wave signals at multiple angles. The cross beam is of an inner-outer two-stage box structure and is connected through a pin shaft, the telescopic function is achieved, and transportation and storage are convenient. Universal wheels are mounted on the base, so that the moving flexibility of the device is enhanced. The motor driving system and a second rotary support of the rotary supporting mechanism form a gear pair through a gear at the output end, and the cross beam is driven to rotate by 360 degrees. The device is simple in structure, convenient to assemble, disassemble and transfer, has a rotating function, is high in reflecting capacity and large in reflecting area, and can realize continuous reflection of electromagnetic wave signals.

The utility model discloses an additional rearview mirror with a lamp, which comprises a lens, a shell and a fixing mechanism, the lens is assembled on the front side of the shell, the fixing mechanism is arranged on the shell, and the rearview mirror is assembled with an original rearview mirror through the fixing mechanism; a lamp groove is formed in the shell, and a light source is arranged in the lamp groove; the light source is connected with a circuit board, the circuit board is connected with a battery, the battery and the circuit board are installed in the shell together, and the light source, the circuit board and the battery are covered in the shell through the lens. According to the additional rearview mirror, the light source and the circuit board are arranged in the shell of the additional rearview mirror, after the whole additional rearview mirror is installed on an original automobile rearview mirror, light of the light source can irradiate the back face of the mirror piece only by turning on the light source, the illumination effect is achieved, and a user can look into the mirror, make up and the like without turning on the light in an automobile under the dark condition. The whole automobile rearview mirror is simple in structure, convenient and practical, and the effects of enlarging the reflecting area and providing the lighting function can be achieved without changing an original automobile rearview mirror.

The utility model relates to the technical field of microwave ovens, in particular to a microwave oven inner plate structure and a microwave oven. The microwave oven inner plate structure comprises an inner plate main body, a plurality of reflecting units are formed on the inner plate main body in an inward concave or outward convex manner, and a plurality of reflecting surfaces are arranged on the reflecting units. According to the microwave oven, the plurality of reflecting units are formed on the inner plate main body in the manner of sinking inwards or protruding outwards, and the reflecting units are provided with the plurality of reflecting surfaces, so that the reflecting area of microwaves on the inner plate main body can be increased, the reflecting surfaces of the microwaves in the cavity are increased, the microwaves are distributed more uniformly in the cavity, and the heating uniformity of cooked food is improved.

The utility model discloses an anti -interference fire -retardant cable, including conductive core line, the conductive core line has three, and the outer arc surface of conductive core line all is equipped with insulating sleeve, and the outer arc surface of three insulating sleeves constitutes the whole and is wrapped with insulating protective sheath, still includes fireproof layer, the outer arc surface of insulating protective sheath is provided with fireproof layer, and the outer arc surface of fireproof layer is equipped with anti -interference layer, and the outer arc surface of anti -interference layer is equipped with protective layer, fireproof layer: it includes heat -proof cover, annular groove and thick aluminum foil, this anti -interference fire -retardant cable, through the annular groove of thick aluminum foil surface increases thick aluminum foil reflection area, guarantees the flexibility of cable at the same time, makes the thickness of thick aluminum foil greater, has greater reflection area, effectively carries out the reflection to heat radiation, blocks the heat radiation that fire produces and transfers to the inside of cable, guarantees that cable can longer time normal work under the fire environment, improves the fire -resistant performance of anti -interference cable.

The invention discloses a solar water heater capable of improving the energy conversion rate, and belongs to the technical field of solar water heaters, the solar water heater comprises a solar water heater body, the solar water heater body comprises a water storage tank, a heat collection pipe and a supporting frame, and the supporting frame is fixedly installed on one side of the water storage tank; through mutual cooperation of a supporting frame, a solar water heater body, a supporting barrel, a sealing plate, a spring, a movable rod, a baffle, a third electric push rod, a photon sensor, a rotating block, a positioning block, a reflecting plate, a reflecting strip and a scraping plate, the reflecting plate can be moved to the position, opposite to the sunlight angle, of a heat collecting pipe; the reflecting plate and the reflecting strips increase the reflecting area of the solar rays through diffuse reflection, so that the other side, opposite to the solar rays, of the heat collecting pipe can absorb the solar rays, the total amount of the solar rays absorbed by the heat collecting pipe is increased, the reflecting effect on the solar rays is achieved, and the light conversion rate of the solar water heater body to solar energy is increased.

The utility model discloses a passive strong warning type deceleration block and a deceleration strip, which belong to the technical field of road accessory engineering, and comprise a unit base body, the top of the unit base body is provided with a light reflecting body, the upper end of the light reflecting body is arranged to exceed the top end of the unit base body, and the passive strong warning type deceleration block is characterized in that the unit base body is also provided with a reflecting disc; the reflecting disc is in a flaring shape from bottom to top, and the reflecting body is located in the reflecting disc. According to the deceleration block, the reflection disc is further arranged on the unit base body and is in the flaring shape from bottom to top, and the reflection body is located in the reflection disc, so that the reflection disc reflects part of light received by the reflection body and reflects refracted light of the reflection body and light received by the reflection disc to the reflection body again; therefore, the intensity of light reflected by the reflector is increased, the light is more striking, and the warning effect is enhanced.

The present invention discloses an LED chip based on a micro-reflector and a preparation method thereof, and relates to the field of semiconductor optoelectronic devices. The preparation method of the LED chip comprises the following steps: providing an epitaxial wafer; etching the surface of the epitaxial wafer to form a plurality of protrusions; forming a dielectric layer; polishing to expose the protrusions; forming a transparent conductive layer on the protrusions and on the dielectric layer in the grooves; forming a metal reflective layer on the transparent conductive layer; forming a bonding layer on the metal reflective layer; bonding with a second substrate; removing the first substrate to expose the N-type semiconductor layer; forming an N electrode on the N-type semiconductor layer; forming a P electrode on the second substrate to obtain an LED wafer; cutting the LED wafer to obtain an LED chip based on a micro-reflector. The implementation of the present invention can improve the luminous efficiency of the LED chip.

The air cabinet assembly comprises a cabinet body and a germicidal lamp assembly, the cabinet body defines a containing cavity, the germicidal lamp assembly is connected to the cabinet body, the cabinet body is provided with an inner wall face, at least part of light emitted by the germicidal lamp assembly faces the inner wall face, and at least part of the inner wall face is provided with a reflection structure. The reflection structure is configured to reflect light irradiated to the inner wall surface. According to the air cabinet assembly, due to the fact that the reflection structure is arranged on the inner wall face, light rays emitted by the sterilization lamp assembly can be reflected through the reflection structure, parts located in the containing cavity are sterilized through reflected light, the reflection efficiency of the light rays is improved, irradiation dead angles are eliminated, and the sterilization effect is guaranteed; dependence on the number and power of the lamp tubes in the germicidal lamp assembly is reduced, the service life of the germicidal lamp assembly is prolonged, meanwhile, the structure is simple, and energy consumption and maintenance cost are reduced.

The invention discloses a heterogeneous component photovoltaic reflective frame, and relates to the technical field of solar cells, the heterogeneous component photovoltaic reflective frame comprises a first side frame and a second side frame, the ends of the first side frame and the second side frame are connected, metal reflective films are arranged on the surfaces of the first side frame and the second side frame, the first side frame is provided with a first reflective lug with an adjustable angle, and the second side frame is provided with a second reflective lug with an adjustable angle. The second side frame is provided with a second reflective lug with an adjustable angle, and the metal reflective films are arranged on the surfaces of the first reflective lug and the second reflective lug; the outer wall of the photovoltaic frame structure is plated with a layer of metal reflecting film, so that the reflectivity is increased, light which is transmitted from the front side of the corresponding photovoltaic panel assembly, reflected to the back side glass from the ground and refracted to the frame structure is reflected to the back side battery piece again, and the overall power of the photovoltaic assembly is increased.