190results about How to "Maintain uniformity" patented technology

The present invention discloses a grinding-polishing method based on magnetorheological effect. Said method is characterized by that in the magnetorheological fluid a kind of free abrasive material is added, used as grinding-polishing liquor and injected into the between of magnetic body and workpiece surface, under the action of magnetic field the ferromagnetic particles in the magnetorheological fluid can be arranged by strings to cover the abrasive material pacticles and can be constrained in the end face of magnetic body to form magnetic grinding brush, said magnetic grinding brush can be used for grinding-polishing workpiece surface. Said invention also provides a grinding-polishing device for implementing said grinding-polishing method. Said device includes grinding tool mounted on main shaft connected with motor and working table for mounting workpiece.

An organic light emitting diode (OLED) display is provided. The OLED display includes: a substrate; a first electrode on the substrate; a first pixel defining layer exposing at least a portion of the first electrode; a medium layer on the first pixel defining layer and the first electrode, the medium layer including a first region and a second region; a second pixel defining layer overlapping the first pixel defining layer with the first region therebetween; a light emission layer overlapping the first electrode with the first region therebetween; and a second electrode covering the second pixel defining layer and the light emission layer.

The invention relates to the technical field of organic light emitting display, in particular to a pixel circuit, a driving method for driving the pixel circuit and a display device comprising the pixel circuit. The pixel circuit is connected by using a diode which is formed by a driving transistor when data are written into a storage capacitor, the storage capacitor is used for prestoring threshold voltages and data voltage signals of the driving transistor, effective compensation is achieved to threshold voltage drifts, and the evenness and the stability of drive currents are guaranteed. Further, multiplexing of control signals of the pixel circuit by a touch circuit is achieved, charging is conducted on the storage capacitor, and at the same time, charging is conducted on a coupling capacitor in the touch circuit through a charging transistor. Therefore, the circuit structure and operation complexity are not added, and meanwhile the integration of the touch circuit in the pixel circuit is perfectly achieved.

Brightness between the individual tiles of a tiled display system is matched for improved uniformity and overall brightness of images produced by the display system. Regions of the display system adjacent to a tile with low brightness performance are incremented in brightness from the brightness level of the low brightness tile to the brightness level of higher brightness tiles. By incrementing the brightness of such regions according to embodiments of the invention, perceived brightness uniformity of images produced by the tiled display system is maintained while maximizing the overall brightness of the display device. The regions used to increment brightness may be as large as an entire tile or as small as a single pixel element.

The invention discloses a plasma etching device capable of executing a deep groove graph etching process in an in situ mode and executing a free-graphics etching process. The device comprises a reaction chamber. The reaction chamber possesses a static chuck clamping a substrate, a mobile annular shielding component arranged on a periphery side of the substrate and located above the substrate, a driving unit used for driving the annular shielding component to move along a vertical direction and a control unit. When the deep groove graph etching process is about to be performed, the control unit makes the driving unit drive the annular shielding component to be positioned at a first position which is far away from the substrate. When the free-graphics etching process is about to be performed, the control unit makes the driving unit drive the annular shielding component to be positioned at a second position close to the substrate. By using the device, morphology control of high-aspect-ratio structure graph etching and uniformity of free-graphics etching can be effectively improved.

An article includes a display layer having an outward facing surface and an inward facing surface. The display layer includes a light-emitting device that generates heat and light during use. A thermal transport layer may be secured to the display layer. The thermal transport layer may include a thermally conductive material that can transport heat generated by the light-emitting device away from the light-emitting device.

An ion beam irradiation method comprises calculating a scan voltage correction function with the maximum beam scan width depending on the measurement result of a beam current measurement device, calculating each of more than one scan voltage correction functions corresponding to each of scheduled beam scan widths depending on the calculated scan voltage correction functions while satisfying dose uniformity in the horizontal direction, measuring a mechanical Y-scan position during the ion implantation, changing the scan voltage correction function as a function of the measured mechanical Y-scan position so that the beam scan area becomes a D-shaped multistage beam scan area corresponding to an outer periphery of a half of the wafer to thereby reduce the beam scan width, and changing a mechanical Y-scan speed depending on the change of the measurement result of a side cup current measurement device to thereby keep the dose uniformity in the vertical direction.

A liquid crystal display apparatus includes a backlight assembly which includes a device for driving the backlight including a light emitting diode (“LED”) used as a light source, which has a high efficiency and a high reliability for controlling brightness of each color light. The driving device drives a first, second and third LED unit emitting a first, second and third light, respectively. The driving device includes a first driving part emitting the first light in response to a brightness control signal and outputting a reference control signal in response to a first brightness of the first light, a second driving part driving the second LED units generating the second light of which second brightness is controlled in response to the reference control signal, and a third driving part driving the third LED units generating the third light of which third brightness is controlled in response to the reference control signal.

A method for manufacturing a stent includes heating a plurality of wire strands to impart a desired shape to the wire strands, coating each wire strand with a biocompatible polymer in an extruder to produce a plurality of coated wire strands, and interlacing the coated wire strands to form a stent.

The invention discloses a processing technology for natural biological calcium carbonate miropowder filling material. The processing technology comprises the steps that pretreatments of water washing, drying and coarse grinding are performed to the natural biological material, then the pretreated material is crushed and graded, to obtain natural biological calcium carbonate filling material which is smaller than 38 micrometers, the crushed and graded natural biological calcium carbonate filling material is baked for 0.01 to 24 hours at 100 to 900 DEG C in a high-temperature furnace, and the natural biological calcium carbonate miropowder filling material is obtained through air oxidation. The invention has the characteristics that the processing technology can maintain an aragonite crystal form in natural shells to the largest extent, and can main the heterogeneity and the strong polarity of the microcrystalline surface of the natural shells to the largest extent, so that the shell miropowder has a superior micropore structure; the filling material can obviously improve the mechanical property and the hot property of high molecular material, and simultaneously the pollution problem caused by shells and egg shells to the environment is also solved.

A method of making a polymer coating on a microstructured substrate. The method may be performed by vaporizing a liquid monomer or other pre-polymer composition and condensing the vaporized material onto a microstructured substrate, followed by curing. The resulting article may possess a coating that preserves the underlying microstructural feature profile. Such a profile-preserving polymer coating can be used to change or enhance the surface properties of the microstructured substrate while maintaining the function of the structure.

An ink set is provided which can suppress bleeding irrespective of the type of recording medium. The ink set includes a plurality of aqueous inks each containing a dye, and has at least a first aqueous ink containing a dye, wherein the difference between the dynamic surface tension of the first aqueous ink at a lifetime of 50 milliseconds and the dynamic surface tension of the first aqueous ink at a lifetime of 500 milliseconds is 7 mN / m or more; and, between the first aqueous ink and at least one type of aqueous ink except the first aqueous ink included in the ink set, dynamic surface tension γa (mN / m) of an ink A having relatively higher lightness at a lifetime of 500 milliseconds and dynamic surface tension γb (mN / m) of an ink B having relatively lower lightness at a lifetime of 500 milliseconds satisfy −5≦(γa−γb)≦3.

The invention discloses a hollow fiber curtain-type membrane component, which comprises a hollow fiber membrane bundle composed of a plurality of hollow fibrous membrane threads, the end head(s) at one end or the both ends of the hollow fiber membrane bundle, an air inlet pipe and a water producing pipe. The end presents a strip shape, an air distribution device with an air distribution hole is arranged at least one end, the air distribution device is communicated with the air inlet pipe, and the hole opening of the air distribution hole is opened towards the top part of the hollow membrane fiber; the end head(s) at one end or the both ends of the hollow fiber membrane bundle refers that the end head(s) is (are) provided at one end or the both ends of the hollow fiber membrane bundle. The invention also discloses a membrane bioreactor utilizing the hollow fiber membrane component and water treatment equipment. The hollow fiber membrane component disclosed by the invention has the structural characteristics that the anti pollution performance of the hollow fiber membrane component is enhanced, particularly the anti pollution performance of the root of the hollow fiber membrane is enhanced, the effective filtering areas of the hollow fibrous membrane threads are ensured, the service life of the hollow fiber membrane component is prolonged, and the processing, the assembly, the installation and the reparation of the hollow fiber membrane component are very convenient.

The invention relates to the field of sanitary articles, and provides a natural antibacterial fiber spunlaced non-woven fabric and a preparation method and application thereof. The natural antibacterial fiber spunlaced non-woven fabric comprises hemp fibers and cotton fibers. The preparation method includes the following steps that the hemp fibers and the cotton fibers are pretreated respectively;the pretreated hemp fibers and the pretreated cotton fibers are mixed; the mixed fibers are subjected to opening and picking, carding and combing in sequence to form fine silvers, the fine silvers are pull apart to form fine webs, and then hydrophilic treatment, opening, carding, lapping, drawing, spunlacing, drying and reeling are carried out to obtain the natural antibacterial fiber spunlaced non-woven fabric. According to the method, damage to the hemp fibers is small, the loss is low, and the antibacterial property of the hemp fibers is well retained; the natural antibacterial fiber spunlaced non-woven fabric is good in evenness and combines the advantages that the cotton fibers are soft and comfortable and the hemp fibers are natural antibacterial, dry and breathable; the fabric truly has the advantages of being good in evenness, soft and comfortable, natural antibacterial, dry and breathable, can be widely used in the fields of sanitary napkins, wet wipes, cotton wipes and the like, and has broad application prospects.

The invention belongs to the technical field of medical implant materials, and particularly relates to a method and application for preparing surface oxidized ceramic layers of zirconium and a zirconium alloy. The method comprises the steps of reducing the roughness of a target area and oxidation treatment and gas replacement. Materials for the medical implant materials can be prepared by the method. According to the technical scheme, the surface roughness is controlled before the surface oxidation treatment is performed, so that the surface roughness after the oxidation treatment directly meets the use requirements, and the inert gas replacement after the surface oxidation treatment avoids the formation of a film layer which is poor in performance and needs to be removed in the cooling process, based on the technical scheme, the need for post-polishing treatment is completely avoided, the integrity and uniformity of the oxidized ceramic layers are maintained, and protective performance is ensured.

A curved surface backlight unit is disclosed which includes: a light source; a curved surface light guide plate disposed parallel to the light source; first patterns on one surface of the light guide plate; a reflection plate disposed under the light guide plate; optical sheets disposed on the light guide plate; and second patterns formed on one surface of at least one of the optical sheets.

The invention discloses a hollow fibrous membrane module, which comprises a hollow fibrous membrane bundle composed of a plurality of hollow fibrous membrane threads, two end heads arranged at the two ends of the hollow fibrous membrane bundle, an air inlet pipe and a water outlet pipe; an air distributor with air distribution holes which is arranged on the end surface of at least one end head communicates with the air inlet, and the orifices of the air distribution holes face toward the roots of the hollow fibrous membrane threads. The invention also discloses a membrane bioreactor and a water treatment device which utilize the hollow fibrous membrane module. The hollow fibrous membrane module disclosed by the invention is structurally characterized in that the anti-fouling property of the hollow fibrous membrane module is improved, especially the anti-fouling property of the hollow fiber roots, so that the effective filtration area of the hollow fibrous membrane threads is ensured, the service life of the hollow fibrous membrane module is prolonged, and the processing, the assembly, the installation and the maintenance of the hollow fibrous membrane module are all very convenient.

A catalyst carrier for hydrogenation modification and a preparing method thereof are disclosed. The catalyst carrier comprises a beta molecular sieve and aluminum oxide, wherein properties of the beta molecular sieve are as follows: the specific surface area is 400-800 m2 / g, the total pore volume is 0.4-0.55 mL / g, the SiO2 / Al2O3 mole ratio is 30-60, the relative crystallinity is 120-140%, the infrared acid content is 0.55-1.0 mmol / g, the non-framework aluminum accounts for less than 1% of the total aluminum, the amount of medium-strong acids which is measured by a NH3-TPD method accounts for 70-85% of the total acid amount, and the percent of Na2O is not more than 0.15 wt%. The preparing method includes mixing the beta molecular sieve and the aluminum oxide, kneading and forming to prepare the carrier. The beta molecular sieve which is proper in silicon aluminum ratio, large in specific surface area, proper in acidity, reasonable in pore structure and low in content of non-framework aluminum is adopted as a cracking component of the catalyst carrier. A catalyst prepared from the carrier is particularly suitable for hydrogenation modification processes of diesel oil with low quality, and diesel oil products are high in yield and good in quality.

A backlight unit includes a light guide plate having a light-incidence plane and a light-exit plane and at least a light emitting diode (LED) mixing package located in proximity to the light-incidence plane for providing lights to the backlight unit. The LED mixing package includes at least a first color LED chip, at least a first color compensation film corresponding to the first color LED chip, at least a second color LED chip, and at least a second color compensation film corresponding to the second color LED chip, in which the first color compensation film and the second color compensation film are located on the light-incidence plane of the backlight unit. The backlight unit further includes at least a spectrum sensor disposed on the light-exit plane of the backlight unit.

The invention discloses a hollow fabric membrane component, which comprises a hollow fabric membrane bundle composed of a plurality of hollow fabric membrane filaments, an end head at one end of the hollow fabric membrane bundle, an air inlet pipe and a water outlet pipe. The invention is characterized in that an air distribution device with air distribution pores is arranged on the end surface of the end head, the gas distribution device is communicated with the air inlet pipe, the orifices of the air distribution pores face to the root of the hollow fabric membrane filaments. The invention further discloses a membrane bioreactor and a water treatment device employing the hollow fabric membrane component. Structure characteristics of the hollow fabric membrane component increases the pollution resistant property of the hollow fabric membrane component, in particular the pollution resistant property of the hollow fabric membrane root, guarantees effective area of hollow fabric membrane filaments filtration, prolongs the service life of the hollow fabric membrane component, and the hollow fabric membrane component has convenient process, assembly, installment and maintenance.

The invention relates to a sagger used for high-temperature firing and a preparation method of the sagger. The sagger used for high-temperature firing is formed by performing mixing forming by using aluminum oxide powder, kaolin powder, clay powder, white corundum, quartz and mullite as raw materials and performing high-temperature firing. The sagger used for high-temperature firing provided by the invention has a good thermal shock effect, low costs and long service life, and can maintain the crack resistance, uniformity and quality stability of a product during mass production, and is suitable for use in environments with larger temperature differences; the sagger used for high-temperature firing provided by the invention is produced during high-temperature firing, and compared with a sagger formed by synthesizing quartz and mullite in advance and performing mixing forming on the market, the sagger provided by the invention has a more uniform finished-product phase, better color andthermal shock stability, and a small phase thermal expansion coefficient, thereby having extremely high thermal shock stability; and the quartz is added, so that the thermal shock performance can be improved.

The invention discloses a hollow fibrous membrane component, which comprises hollow fibrous membrane bundle composed of a plurality of hollow fibrous membrane threads, the end of the hollow fibrous membrane bundle, an air inlet pipe, a water producing pipe and an air distribution device with an air distribution hole. The end surface of the end adopts a raised end, the air distribution device is communicated with the air inlet pipe, the position of the air distribution hole is near to the bottom part of the raised end surface when the hollow fibrous membrane component is vertically arranged, and the hole opening of the air distribution hole is opened towards the top part of the raised end surface. The invention also discloses a membrane bioreactor utilizing the hollow fibrous membrane component and water treatment equipment. The hollow fibrous membrane component disclosed by the invention has the structural characteristics that the anti-pollution performance of the hollow fibrous membrane component is enhanced, particularly the anti-pollution performance of the root of the hollow fibrous membrane is enhanced, the effective filtering areas of the hollow fibrous membrane threads are ensured, the service life of the hollow fibrous membrane component is prolonged, and the processing, the assembly, the installation and the reparation of the hollow fibrous membrane component are very convenient.

The invention discloses a thermal desorption heating device for oily soil restoration. The thermal desorption heating device structurally comprises a microwave heating device (3), an ultrasonic dispersion device (4) and an infrared heating device (5). Both the microwave heating device (3) and the ultrasonic dispersion device (4) are fixed to the top of a shell (2). The microwave heating device (3) is located on the left side of the ultrasonic dispersion device (4), and the infrared heating device (5) is fixed to the bottom of the shell (2). In the oily soil heating process, oily soil placed on the lower portion in the shell (2), the ultrasonic dispersion device (4) is switched on, the infrared heating device (5) is used for heating the oily soil to a preset temperature firstly, and then the microwave heating device (3) is switched on for heating. The thermal desorption heating device can effectively keep the stability and the evenness of heating and greatly improve the oil soil restoration effect and is simple in structure, low in energy consumption and wide in application range.