396results about How to "Improve area utilization" patented technology

An alternating current light-emitting device includes a substrate, a plurality of microdie light-emitting elements formed on the substrate, a rectifying element-dedicated member formed on a surface of a portion of microdie light-emitting elements, a rectifying unit formed on the rectifying element-dedicated member and provided with at least four rectifying elements forming a Wheatstone bridge circuit, and an electrically conductive structure electrically connecting the rectifying elements and the microdie light-emitting elements. With the rectifying unit being formed on the rectifying element-dedicated member, the rectifying elements are highly tolerant of reverse bias and feature low starting forward bias. Also, the present invention provides a method for fabricating an alternating current light-emitting device.

A touch display panel including a flat display panel and a touch sensing device disposed on the flat display panel is provided. The touch sensing device includes a plurality of the center sensing series and at least a margin sensing series corresponding to the display area of the flat display panel. Each center sensing series is formed by a plurality of center sensing electrodes serially connected. The margin sensing series disposed along the margin of the display area is formed by a plurality of margin sensing electrodes serially connected. Each of the margin sensing electrodes includes an inner portion and a rectangular outer portion. An area of the inner portion is substantially half of an area of the center sensing electrode. A parallel hemline is formed by the rectangular outer portions serially connected.

An organic photoelectric device includes a substrate, a base electrode, an electrode terminal, a roof electrode, an organic functional layer, and a self-supporting cover member. The base electrode is configured above a first surface of the substrate, and the electrode terminal is accessible from above the first surface of the substrate. The self-supporting cover member serves to encapsulate the organic functional layer, which is arranged between the substrate and the self-supporting cover member, the self-supporting cover member being formed from conductive material or being coated with a conductive material on a side facing the substrate. The conductive material is locally coupled, in an electrically conductive manner, to the base electrode or the roof electrode at laterally distributed locations, and is further coupled to the electrode terminal in an electrically conductive manner.

The invention discloses a wireless charging coil manufacturing method. The wireless charging coil manufacturing method comprises the following steps that (1), a plastic part is prepared, and laser-activated coatings are prepared; (2), to-be-processed areas of the obverse side and the reverse side of the plastic part are each coated with one layer of laser-activated coating; (3), a spiral coil slot and feed point slots are formed in the obverse side of the plastic part through laser, through holes are formed in an internal end point and the second feed point slot, and a pattern slot is formed in the reverse side of the plastic part through laser; (4), the plastic part processed in the third step is washed; (5), chemical copper plating and electrical copper plating are sequentially formed in the slots in the surfaces of the plastic part. A wireless charging structure comprises the plastic part, coil patterns, the two feed points and conducting wire patterns, wherein the coil patterns, the two feed points and the conducting wire patterns are directly formed on the plastic part through the wireless charging coil manufacturing method. The wireless charging coil manufacturing method and the wireless charging structure can meet the development requirements of lightness, thinness and reliability of electronic equipment, the manufacturing process is simple, and the cost of manufactured products is low.

The invention relates to a device and a method for the combined ejection refrigeration and vapor compression refrigeration cycle, aiming at improving the running efficiency of the refrigeration system and solving the problems that the unit power and the unit condensation rate of the compressor increase and the air transmission rate and the refrigeration coefficient decrease due to the regenerative cycle adopted in the vapor compression refrigeration cycle to make the refrigerant have a certain supercooling degree. On the vapor compression refrigeration cycle side, the air exhaust opening of a compressor (2) is connected with the refrigerant inlet of a generator (5), the refrigerant inlet of the generator (5) is connected with the inlet of a first condenser (3), the outlet of the first condenser (3) is connected with the refrigerant inlet of a supercooler (6), the refrigerant outlet of the supercooler (6) is connected with the refrigerant inlet of an evaporator (1) through a throttle valve (4), and the outlet of the evaporator (1) is communicated with the air suction opening of the compressor (2). The ejection refrigeration cycle and the vapor compression refrigeration cycle are combined in the device, and two refrigeration systems are connected through one generator and one supercooler.

A carbon nanosphere has at least one opening. The carbon nanosphere is obtained by preparing a carbon nanosphere and treating it with an acid to form the opening. The carbon nanosphere with at least one opening has higher utilization of a surface area and electrical conductivity and lower mass transfer resistance than a conventional carbon nanotube, thus allowing for higher current density and cell voltage with a smaller amount of metal catalyst per unit area of a fuel cell electrode.

The invention relates to a method of treating feces in breeding industry, in particular relates to a method and a device for treating livestock feces in a breeding house underground to produce biogas and an organic fertilizer and belongs to the technology and equipment needed by resource and environment field. The device comprises a breeding house, a breeding house equipment room, a breeding house aisle, a feces gutter, a feces output pipe, a precipitation and impurity removal system, a solid-liquid separation system, a biogas digester system, a biogas temperature improvement and insulation system, a biogas reflux house flushing and crust breaking system and a biogas storage and purification system, wherein the breeding house, the breeding house equipment room, the breeding house aisle, the feces gutter, the feces output pipe, the precipitation and impurity removal system, the solid-liquid separation system, the biogas digester system, the biogas temperature improvement and insulation system, the biogas reflux house flushing and crust breaking system and the biogas storage and purification system are connected with one another. According to the method disclosed by the invention, the main treatment equipment is mounted in the breeding house underground, is small in occupied area, high in resource comprehensive utilization ratio and remarkable in economical and environmentally friendly benefits and is capable of purifying the biogas and producing the organic fertilizer.

The invention belongs to the field of leather production, and discloses leather for cow leather clothes and a production method of the leather for the cow leather clothes. The method comprises the following step of: by adjusting the working procedures of retanning, neutralizing, packed dyeing, oiling and coating, adding a dry shaving working procedure between a milling working procedure and a dedusting working procedure in a dry finishing working procedure, so that the leather for the cow leather clothes can be dryly shaved to have the thickness of 0.2-0.25mm. After the leather for the cow leather clothes is used, not only can the performances such as the softness, the fullness, the smoothness, the brightness, the extensibility, the hand feel and the disability coverage be greatly improved, but also the leather is thinner and lighter, thereby being wide in practical applicability.

The invention discloses a wafer thinning method, which comprising the steps of: carrying out bonding process on multiple layers of wafers; adding filler in edge gaps of the boned wafers; performing solidification process on the filler; carrying out thinning process on the bonded upmost layer wafer and / or downmost layer wafer; and removing the filler. According to the method provided by the invention, the edges of the wafers cannot be fractured due to stress when thinning the wafers, thereby avoiding scratches and residuals formed on the surfaces of the wafers caused by chippings produced in fracture; and since the trimming process is not needed, the technical process is simplified, the cost is reduced, and the wafer area utilization ratio is improved.

The embodiment of the invention discloses a display panel and a display device. The display panel comprises a transparent display area. A plurality of sub-pixels are arranged in the transparent display area, and the sub-pixels are linearly arranged along at least one direction. In each row of sub-pixels arranged along at least one direction, the lower electrode of one sub-pixel in at least part oftwo adjacent sub-pixels is of a first shape type, the lower electrode of the other sub-pixel is of a second shape type, the first shape type comprises a circle or an ellipse, and the lower electrodeof the sub-pixel with the lower electrode in the second shape type is the same as the shape of the light-emitting area of the sub-pixel. According to the technical scheme provided by the embodiment ofthe invention, the transparency of an area opposite to a photosensitive part can be improved, and the diffraction influence is reduced.

The invention provides an optimization method of an addition chain and the addition chain after optimization. The optimization method comprises the following steps of conducting lookup on a logic circuit before at least one input end of a lookup table in a netlist after the addition chain is reflected, wherein the addition chain comprises the lookup table, an exclusive-or gate and a multi-channel selector; sharing an input signal by a first input end of the lookup table and one input end of the multi-channel selector; absorbing the logic circuit in the lookup table. According to the optimization method, the area utilization rate is improved, the number of resources is reduced, and delay is changed.

The invention relates to a scroll wrap profile of a liquid-injected scroll compressor. Outer profiles of a static scroll wrap and a dynamic scroll wrap are composed of a section of a variable diameter base circle involute, and the inner profiles of the static scroll wrap and the dynamic scroll wrap are composed by smoothly connecting a variable diameter base circle involute at a center part and normal equidistant curves of the variable diameter base circle involute of the outer ring. The scroll wrap refers to a scroll wrap with compression chamber variational meshing clearance and the wall thickness of the scroll wrap changing gradually. The meshing part close to a central air outlet of the compression chamber is provided with the meshing clearance which forms a pressure unloading channel to the air outlet with small clearance internal leakage, so that the problems of surge pressure in the compression chamber or liquid impacting which are produced by incompressible liquid with relatively large spraying volume. The meshing point of a suction cavity formed by the scroll wrap has no meshing clearance, so that the suction cavity is completely isolated from the compression chamber; at the same time, the wall thickness of the scroll wrap changes thinner gradually from the center to the outer ring, so that the central part of the scroll wrap has enough strength; and the wall thickness at the outer ring of the scroll wrap is relatively thin, so that area utilization rate of a scroll plate is effectively increased.

The invention discloses a heavy-current whole-wafer total-pressure-contact flat-plate encapsulated IGBT (Insulated Gate Bipolar Transistor) and a manufacturing method thereof. The heavy-current whole-wafer total-pressure-contact flat-plate encapsulated IGBT comprises an IGBT whole wafer and a total-pressure-contact flat-plate encapsulation, the whole wafer comprises multiple independent IGBT device regions, each IGBT device region is composed of multiple IGBT units which are connected in parallel, collectors of all the IGBT device regions are connected in parallel to form a total collector, atransmitter is led from each IGBT device region independently, gate poles of all the IGBT device regions in a normal operating state are connected to a total gate pole arranged in the center of the wafer by using an interconnecting line, and the transmitter of each IGBT device region is connected with a metal electrode plate of a total transmitter in parallel by virtue of a metal gasket of the transmitter. According to the invention, a heavy-current IGBT whole wafer device is realized, the advantages of high working voltage, low switching power consumption and simple voltage control of the gate pole are maintained, current carrying capacity, heat-conducting property, heat shock resistance and long-term reliability of the device are improved, and the problem of property matching between IGBT units is solved.

The invention discloses a shield tunneling machine for ultralarge U-shaped cross sections. The shield tunneling machine comprises a cutterhead device, a driving system, a shield structure, a main propelling system, screw conveyors, an equipment bridge, a backup system and a continuous belt conveyor. The cutterhead device is formed by nine spoke-type cutterheads, and driving shafts of the spoke-type cutterheads are parallel, wherein a medium-diameter spoke-type rear cutterhead is positioned at the center of a rear plane, three large-diameter spoke-type front cutterheads are positioned on two sides of the upper portion and the bottom of the middle of a front plane, three large-diameter spoke-type rear cutterheads are positioned on two sides of the upper portion and the bottom of the middle of the rear plane, and two small-diameter spoke-type rear cutterheads are symmetrically distributed at arch edge of the upper portion of the rear plane. The shield tunneling machine can be used for excavation of arched U-shaped cross sections of curved walls and is small in excavation dead zone and adaptive to geology of loess, silty clay, clay, silty sand, soft rock and the like, and the area utilization rate of tunnel cross sections is greatly increased. In addition, by the shield tunneling machine for the ultralarge U-shaped cross sections, construction cost is greatly reduced while construction efficiency is effectively improved.

The invention discloses a preparation method of a two-dimensional hollow palladium nanocrystal. A palladium nanoseed, a palladium precursor, a bromide ion modifier, a reductive agent and a dispersing agent are added into solvent for reacting, and accordingly the two-dimensional hollow palladium nanocrystal is prepared, wherein the palladium nanoseed is a palladium nanosheet. According to the preparation method, the nanosheet is used as the seed to be further reacted so that the two-dimensional hollow palladium nanocrystal can be prepared. Operating is easy, the reaction condition is mild, the reagent is low in price, the toxicity is small, and implementation is easy. The invention further discloses the two-dimensional hollow palladium nanocrystal prepared through the preparation method. The upper surface and the lower surface of the two-dimensional hollow palladium nanocrystal are {111} crystal faces, the thickness of the two-dimensional hollow palladium nanocrystal is 2-4 nm, the two-dimensional hollow palladium nanocrystal is of an ultrathin annular structure, the material specific area and the atom utilization rate are improved, and the catalytic performance of the palladium nanocrystal is effectively enhanced.

The invention discloses a double-surface display device. The double-surface display device comprises a substrate, a TFT layer, a first light emitting layer, a first packaging layer, a second light emitting layer and a second packaging layer, wherein the TFT layer, the first light emitting layer and the first packaging layer are successively laminated above the substrate; the second light emitting layer and the second packaging layer are successively laminated below the substrate. A plurality of vias penetrate through the substrate and electrically connect the first light emitting layer with the second light emitting layer.

The invention discloses a starry sky projection lamp, and belongs to the field of projection lamps. The starry sky projection lamp comprises at least one light beam generator, an interference sheet used for generating a starry cloud effect, a reflector and at least one first lens, the light beam generator is arranged at one side of the interference sheet, the reflector is arranged at the other side of the interference sheet, the at least one first lens is located on an emergent light path of the interference sheet, and a light beam emitted from the interference sheet passes through the at least one first lens to form a moving star cloud hierarchical projection. According to the starry sky projection lamp, the light beam is amplified through the lens after being refracted, reflected and then refracted for multiple times, so that the generated starry sky is not too bright and dazzling, the soft feeling of the pattern transition position is better, and the layering sense of the starry sky is effectively enhanced.

To provide a small-area and low-power-consuming logic gate cell which is constructed of a circuit of two inverting logic gates connected in series in a layout of four-step diffusion regions. A first inverting logic gate is formed of a small transistor on internal two-step diffusion regions, a second inverting logic gate is formed of external two-step diffusion regions, and output wirings of the second inverting logic gate is formed of second metal layer wirings so that the second metal layer wirings extend over the first inverting logic gate.

An ultrasonic loudspeaker of audio directing type is composed of supporting seat, pressing component and radiation material. It is featured as forming said supporting seat by carriage, back surface plate and air vent; setting carriage at periphery of back surface plate and placing radiation material on it closely as well as connecting its bottom to back surface plate; forming resonant cavity between radiation material and back surface plate; setting air vent at side-top of back surface plate and forming radiation material by three layers of ultrasonic film material.

The invention relates to a process method for preparing methyl tert-butyl ether by differential reaction rectification and equipment for the same, wherein isobutene and methanol are used raw materials for preparing methyl tert-butyl ether. The process method comprises the following steps of: feeding isobutene and methanol in a fixed-bed reactor (1) in a certain mixing ratio to perform pre-reaction; feeding the raw materials after the pre-reaction in a catalytic reaction rectification tower (2); primarily separating the methyl tert-butyl ether generated in the pre-reaction from the unreacted raw materials under the action of a tower internal part (6) at a lower rectification section; further concentrating the generated methyl tert-butyl ether under the action of a tower internal part (5) at a stripping section; and finally obtaining a methyl tert-butyl ether qualified product at the bottom of the tower, and feeding the unreacted raw materials primarily separated by the tower internal part (6) at a lower rectification section in a differential catalytic reaction rectification tower plate (7) to continue to react.

The invention discloses an electronic device. The electronic device comprises a device main body, a display module and N sensing units, wherein the display module is arranged on the device main body; the display module comprises a first light transmission layer and a supporting layer positioned between the device main body and the first light transmission layer; the first light transmission layer is positioned on a first surface of the electronic device; the N sensing units are arranged in the display module and positioned on the surface, far away from the first surface, of the light transmission layer; acquisition modules of the N sensing units face to the surface, far away from the first surface, of the first light transmission layer; and the N sensing units can receive ambient light mapped onto the N sensing units after penetrating through the first light transmission layer or through holes in the first light transmission layer, and N is a positive integer. The device provided by the invention is used for solving the technical problem of low utilization rate of a mainboard area due to occupation of the mainboard area by sensing units in the prior art, so that the technical effect of increasing the utilization rate of the mainboard area is achieved.

A sensor includes a substrate, a membrane, first and second spacers arranged on the substrate, a first support structure which is supported, laterally next to the membrane, by the first spacer and contacts a first electrode of a first main side of the membrane which faces the substrate, and a second support structure which is supported, laterally next to the membrane, by the second spacer and contacts a second electrode on a second main side of the membrane which is opposite the first main side, so that the membrane is suspended via the first and second spacers and is electrically connected to contact areas of the substrate.

The invention relates to a dynamic diffusion sheet assembly, a control method, a laser speckle eliminating device and a projector. The dynamic diffusion sheet assembly comprises a fixed layer and a moving layer provided with an optical diffusion sheet, and further comprises a driving part and a controller connected with the driving part, wherein the driving part is configured to drive the moving layer to move relative to the fixed layer in the first direction and the second direction respectively in a plane parallel to the optical diffusion sheet. According to the dynamic diffusion sheet assembly, a layered arrangement mode is adopted, the fixed layer is kept still, the driving part drives the movable layer to drive the optical diffusion sheet to move in two directions, a certain point on the optical diffusion sheet has two-dimensional movement flexibility, and compared with a traditional rotary diffusion sheet, the dynamic diffusion sheet assembly has the advantages that the coverage area is larger, different phase divergence angles on the optical diffusion sheet can be fully utilized, the actually utilized area is larger under the condition of the same size, the area utilization rate of the dynamic diffusion sheet is improved, the coherence of laser is better weakened, and a better speckle elimination effect is achieved.

The invention relates to a polyethylene (PE) gas valve detection device which is used for detecting the air-tightness and torque of finished products after PE gas ball valve assembly, and belongs to the field of PE gas valve production and quality inspection. According to the test requirements, a valve sealing mechanism cannot produce axial force, and the test torque is increased gradually. Most current detection devices cannot meet the requirements. In order to solve the technical defects of the existing detection devices, the invention discloses a novel PE valve air-tightness and operation torque detection device. The device has the following advantages: a clamp produces no axial force after valve clamping, and no damage is caused to the body of a valve after the completion of test; the torque applied to a valve is increased flexibly and can be controlled linearly; and no water tank is designed, the size of the device is reduced drastically, and the efficiency of test valve clamping is improved. Compared with similar devices, the PE gas valve detection device has obvious technological advancement and economic practicability, has obvious advantage in the production of valves, and has a very good economic effect.

A method of recording a temporary defect list on a write-once recording medium, a method of reproducing the temporary defect list, an apparatus for recording and / or reproducing the temporary defect list, and the write-once recording medium. The method of recording a temporary defect list for defect management on a write-once recording medium includes recording the temporary defect list, which is created while data is recorded on the write-once recording medium, in at least one cluster of the write-once recording medium, and verifying if a defect is generated in the at least one cluster. Then, the method includes re-recording data originally recorded in a defective cluster in another cluster, and recording pointer information, which indicates a location of the at least one cluster where the temporary defect list is recorded, on the write-once recording medium.

A method of recording a temporary defect list on a write-once recording medium, a method of reproducing the temporary defect list, an apparatus for recording and / or reproducing the temporary defect list, and the write-once recording medium. The method of recording a temporary defect list for defect management on a write-once recording medium includes recording the temporary defect list, which is created while data is recorded on the write-once recording medium, in at least one cluster of the write-once recording medium, and verifying if a defect is generated in the at least one cluster. Then, the method includes re-recording data originally recorded in a defective cluster in another cluster, and recording pointer information, which indicates a location of the at least one cluster where the temporary defect list is recorded, on the write-once recording medium.

The present invention proposes a method for arranging the injection unit of the injector of the dual-component liquid rocket engine. The two directions of 45 degrees and 135 degrees are staggered to accommodate the four-sided spray fan in the same grid, and then the propellant component types of the nozzle holes in each injection unit are staggered to make the four-sided spray fan in the same grid The types of propellant components are arranged staggeredly, and finally, the four-strand mutual impact injection unit in the center of the grid without spray fan intersection can be arranged or not, so as to obtain different injection unit number densities to adapt to different injection flow rates Density requirements. Adopt the present invention, the injection unit logarithm that can be arranged per unit area injector surface is more, namely the area utilization rate is high, and has guaranteed that the spray fan of each kind of propellant component is all compatible with the spray of another kind of propellant component. The fans are adjacent to each other, which effectively improves the mutual mixing efficiency between the components.