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142results about How to "Guaranteed transmittance" patented technology
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Full-wavelength light source controllable biological culture device
InactiveCN102433259ASimple structureEasy to operateBioreactor/fermenter combinationsBiological substance pretreatmentsEngineeringLED lamp
The invention discloses a full-wavelength light source controllable biological culture device. The device comprises a case body the periphery of which is provided with a heat insulating layer, optical wavelength controllable LED (light emitting diode) lamp bead panels arranged on the inner top part and four lateral sides of the case body, temperature and humidity sensors arranged in the case body, a heater and a humidifier arranged at the bottom of the case body, and a miniature quiet compressor. According to the full-wavelength light source controllable and quartz culture flask, biological photo-reaction researches can be performed in plant tissue culture, cell culture, microbiological culture and animal culture ways, the operation is easy, and the light source can be subjected to wavelength combination and illumination time program setting according to different requirements.
Owner:HUBEI UNIV FOR NATITIES
Integrated projection-type capacitive touch screen and manufacturing method thereof
InactiveCN101853115AReduce thicknessGuaranteed transmittanceInput/output processes for data processingDielectricComposite film
The invention relates to an integrated projection-type capacitive touch screen and a manufacturing method thereof. The integrated projection-type capacitive touch screen only adopts a substrate, and a color coating is arranged in the non-visible range of the substrate; a backing insulating film is arranged on the whole surface of the substrate with the color coating, and a first electrode pattern is arranged on the backing insulating film; a dielectric insulating film is arranged on the first electrode pattern, and a second electrode pattern is arranged on electrolyte insulating film; the coverage of the electrolyte insulating film does not include joint terminals of the first electrode pattern, and a protective insulating film is arranged on the second electrode pattern; and the coverage of the protective insulating film does not include joint terminals on the edges of the first electrode pattern and the second electrode pattern, and the upper ends of the joint terminals are connected with an external control circuit through collecting lines. The single substrate with the color coating adopts a multi-layer composite film structure of the backing insulating film, an ITO film, the dielectric insulating film, the ITO film and the protective insulating film, can substantially reduce the thickness of the touch screen, and improves lightness thinness and yield.
Owner:上海优熠电子科技有限公司
Backlight regulation method, adjustment device and display device
ActiveCN105632413ARealize the adjustment functionGuaranteed transmittanceElectrical apparatusStatic indicating devicesDisplay deviceLightness
The invention discloses a backlight regulation method, an adjustment device and a display device. The backlight regulation method comprises steps of determining the color temperature corresponding to the current environment light according to the spectral information of the current environment light determining the total supply current which is supplied to the back light source according to the light intensity information of the current environment light, regulating the distribution current of each light source branch according to the color temperature of the current environment light and after total power supply current determines the illumination brightness of light source branches having different color domain in the back light source, and enabling the color domain of the backlight source is regulated according to the current environment light in order to realize the regulation function of the liquid crystal display product for displaying the image color gamut and improve the comfort of watching by the user. Compared with the mode that realizes the image color gamut regulation through regulating the chroma of the colorful filtering sheet, the invention can realize the flexible adjustment of the display image chroma on the basis of reducing backlight source production cost and guarantees the transmittance of the liquid crystal display device.
Owner:BOE TECH GRP CO LTD +1
Transparent conductive film and manufacturing method therefor, and touch screen
ActiveCN106547397APrevent oxidationRealize the designTransparent dielectricsConductive pattern formationScreen printingConductive materials
The invention discloses a transparent conductive film and a manufacturing method therefor, and a touch screen. The manufacturing method comprises the steps of performing imprinting on one surface of a transparent insulating substrate by a die to form continuous grooves; coating one surface of the transparent insulating substrate with jelly, and performing imprinting on one surface far from the transparent insulating substrate by a die, and curing to form grooves; filling the grooves with a conductive material to form a conductive layer, namely an internal circuit; forming an external circuit on one surface in contact with the conductive layer; and removing unnecessary conductive materials from the internal circuit and the external circuit according to a preset pattern to form insulating channels and insulating circuits so as to complete the manufacturing of the transparent conductive film. According to the manufacturing method, silk-screen printing and embedded type nanometer imprint are combined, and unified grid filling is used as the universal die; and the die is applicable to multiple types of machines, and only silk-screen printing and laser are needed according to different specifications, so that cost can be effectively lowered and the development period can be effectively shortened.
Owner:SUZHOU WEIYEDA TOUCH TECH +1
Ultralow-expansion coefficient high transparent glass-ceramics and method for producing its product
The present invention relates to a Li2O-Al2O3-SiO2 system ultra-low expansion coefficient high-transparency glass-ceramic and production method of the products. Calculated by weight percentage, the ultra-low expansion coefficient high-transparency glass-ceramic is composed of 3.2 to 4.6 percent of Li2O, 18.0 to 23.6 percent of Al2O3, 64.1 to 69.4 percent of SiO2, 0.3 to 0.8 percent of MgO, 0.8 to 2.5 percent of BaO, 0.3 to 0.8 percent of R2O, 0.01 to 0.4 percent of Y2O3, 1.8 to 2.5 percent of TiO2, 1.6 to 2.4 percent of ZrO2, 1.1 to 1.8 percent of P2O5, 0.6 to 1.5 percent of Sb2O3, 0.3 to 1.0 percent of NaCl and 1.0 to 2.0 percent of NH4NO3. The heat-resistant glass plates and heat-resistant glass products can be manufactured by using the formula and the corresponding forming die. The present invention has the advantages that the production technique is simple, the produced products have low expansion coefficient, good transparency, high thermal impact temperature, high strength, have constant transparency when being used under the temperature of 700 Celsius system for a long time, the products have long service life, etc.
Owner:广东科迪微晶玻璃实业有限公司 +1
Ultraviolet image intensifier resolution testing device
InactiveCN102419251ARealize the test function of resolutionRealize the test functionTesting optical propertiesPhotocathodeUltraviolet lights
The invention discloses an ultraviolet image intensifier resolution testing device, which belongs to the performance testing field of photoelectric instruments. The device comprises an ultraviolet light source, a standard ultraviolet test reticle and an ultraviolet optical system. Under the irradiation of the ultraviolet light source, the standard ultraviolet test reticle can form ultraviolet test light beams containing standard reticles; after being collimated through an off-axis parabolic mirror of the ultraviolet optical system, the ultraviolet test light beams are focused on a photocathode face of a tested ultraviolet image intensifier by an imaging objective lens group in the catadioptric way. The problem about test on the resolution of the ultraviolet band image intensifier is solved; indirect technical support for improving the quality of the ultraviolet image intensifier is provided; and the device also has the advantages of no chromatic aberration, low spherical aberration, high test precision, and the like at the same time, and is convenient to use.
Owner:北方夜视科技研究院集团有限公司
Liquid crystal display panel and manufacture method and display device thereof
InactiveCN104765192AGuaranteed transmittanceAvoid light leakageNon-linear opticsLiquid-crystal displayTransmittance
The invention discloses a liquid crystal display panel and a manufacture method and a display device thereof. The manufacture method of the liquid crystal display panel mainly comprises the steps that through the canceling of a black matrix arranged at one side of a color film substrate, an insulation polarization layer is arranged at one side of an array substrate, and the polarization direction of the insulation polarization layer is perpendicular to the polarization direction of a first polarizing film at the side of the array substrate to be used for shielding leakage light generating by a gap between a data line and a public electrode wire. Due to the canceling of the black matrix, the uniformity of the surface of the color film substrate is guaranteed, and the probability of deviation generated by the alignment fitting is decreased; even if big deviation exits during the alignment fitting, the transmitted light of a pixel display area can not be shielded, and the transmittance of the pixel display area is guaranteed; in addition, the insulation polarization layer and the first polarizing film form a light shielding combination at the side of the array substrate to enable the leakage light generating by the gap of a wire running area to be shielded completely, and therefore the leakage of light caused by the deviation of the alignment fitting is avoided.
Owner:BOE TECH GRP CO LTD +1
Graphene transparent antenna and manufacturing method thereof
ActiveCN107634328AImprove radiation efficiencyGuaranteed transmittanceRadiating elements structural formsAntenna radiationCvd graphene
The invention provides a graphene transparent antenna and a manufacturing method thereof. The method comprises steps that 1), a transparent substrate is pre-processed; 2), a super-thin metal layer isformed on the transparent substrate; 3), the super-thin metal layer is made to be in a pre-determined antenna shape; and 4), a graphene layer in the pre-determined antenna shape is formed on the super-thin metal layer, and the graphene transparent antenna is acquired. The method is advantaged in that super-thin metal with relatively high concentration and graphene with relatively high carrier mobility are composed together, an anti-reflection layer is further composed when the anti-reflection layer is necessary, not only can material light transmittance be guaranteed, but also a material conductivity problem is solved, and thereby antenna radiation efficiency is improved.
Owner:CHONGQING INST OF GREEN & INTELLIGENT TECH CHINESE ACADEMY OF SCI
Device for detecting flue gas in flue
The invention discloses a device for detecting flue gas in a flue. The device comprises a first pipe body and a second pipe body, which are arranged on two opposite side walls of the flue (A) and are sequentially arranged along a same light beam path; the light beam path is crossed with a flowing path of the flue gas in the flue (A); light transmission sheets, which are used for separating inner cavities of the first pipe body and the second pipe body from an external environment, are arranged at the parts, positioned at the periphery of the flue (A), of the first pipe body and the second pipe body; a laser transmitting assembly and a laser receiving assembly are arranged outside the two light transmission sheets, respectively; gas nozzles, which are used for spraying gas curtains to prevent dust in the flue gas from entering the pipe cavities of the first pipe body and the second pipe body, are arranged at pipe end orifices, extending into the flue (A), of the first pipe body and the second pipe body, respectively; the flowing direction of gas sprayed from the gas nozzles is crossed with the axial directions of the first pipe body and the second pipe body. According to the scheme, manual sampling and complicated sampling gas pretreatment are not needed, so that the detection speed is high, the measurement lag is avoided, and the measurement accuracy is high.
Owner:HEFEI GOLD STAR MECHATRONICS TECH DEV CO LTD +2
Glass article having ultraviolet ray shielding performance, and microparticles-dispersed composition for forming ultraviolet ray shielding film
ActiveCN103347833AMaintain transmittanceImprove sustainabilityCoatingsOrganic fertilisersOptical transmittanceOrganic compound
This ultraviolet ray shielding film contains silicon oxide and microparticles of an organic compound (A) having a solid form at ambient temperature and having a molecular weight of 5000 or less, wherein the microparticles have an average particle diameter of 150 nm or less. The glass article has, for example, an ultraviolet ray transmittance (TUV380) of 2% or less, and preferably also has a transmittance (T550) for light having a wavelength of 550 nm of more than 70%. The ultraviolet ray shielding film may additionally contain an organic compound (B) such as a polyether compound and a polyol compound. The ultraviolet ray shielding film has excellent long-term ultraviolet ray shielding performance.
Owner:NIPPON SHEET GLASS CO LTD
Liquid crystal display and mfg. method therefor
InactiveCN101042502AExtended reaction timeGuaranteed transmittanceStatic indicating devicesPhotomechanical apparatusLiquid-crystal displayBaseboard
This invention relates to one LCD device and its process method, which comprises the following parts: first baseboard, second baseboard relative to first one; LCD layer between first and second boards; at least one match structure in one of baseboards in same one cover, wherein, the match structure comprises first match object and second one to form one stamp structure; the first one covers second one to form big difference; the match film is set in one board to cover the structure.
Owner:CHUNGHWA PICTURE TUBES LTD
Array substrate, display device and array substrate manufacturing method
InactiveCN103779357AReduce thicknessGuaranteed transmittanceSolid-state devicesSemiconductor/solid-state device manufacturingLiquid-crystal displayDisplay device
The invention discloses an array substrate, a display device and an array substrate manufacturing method, and relates to the liquid crystal display technology. Material of a pixel electrode is the same as that of a source and drain electrode, but the thickness of the pixel electrode is smaller than that of the source and drain electrode, and alternatively material of a public electrode is the same as that of a grid electrode but the thickness of the public electrode is smaller than that of the grid electrode. On the basis of reducing technology difficulty, the transmittance of the array substrate is guaranteed.
Owner:BOE TECH GRP CO LTD
Integrated head device of SERF atom magnetometer
InactiveCN110646752ARealize the assemblyReduce volumeMagnetic sensor packagingMagnetic field measurement using magneto-optic devicesMiniaturizationIntegrated design
The invention discloses an integrated head device of an SERF atom magnetometer. For the optical excitation detection and high-temperature heating requirements required by a gas chamber of a head of the SERF atom magnetometer, integrated design is carried out on key components, such as an excitation component, a detection component, a heating component and a heat insulation component; excitation light and detection light enter in parallel through an adjustable mirror structure to greatly reduce the volume of the head; and components around an alkali metal gas chamber are fixed by using a tightfit structure, so that the volume of the head of the SERF atom magnetometer is reduced, the debugging efficiency of an excitation device and a detection device is improved, and meanwhile, heat conduction of a heating device and an external environment is reduced. The head device with high reliability and high stability is provided for miniaturization of an SERF atom magnetometer array and measurement study of SERF magnetic fields.
Owner:ZHEJIANG LAB
Method used for increasing silicon dioxide antireflection film hole stability
The invention relates to a method used for increasing silicon dioxide antireflection film hole stability, and belongs to the technical field of optical thin film preparation. Sol-gel method is adopted for preparing a silicon dioxide antireflection film, and comprises following steps: a sol is prepared firstly; high borosilicate glass is subjected to cleaning and surface treatment; film preparation is carried out through pulling; and thin film heat treatment and thin film surface hydrophobic treatment are carried out; wherein 1) organic siloxane R'xSi(OR)4-x is added into the sol so as to modify the sol; and 2) in thin film heat treatment processes, a gel thin film is subjected to step thermal insulation heat processing at 90 to 350 DEG C. The method is capable of increasing film forming rate of porous silicon dioxide thin films, and ensuring transmittance of workpieces provided with antireflection films.
Owner:GENERAL RESEARCH INSTITUTE FOR NONFERROUS METALS BEIJNG
Biological reactor with full-wavelength controllable light sources
InactiveCN102517210ASimple structureEasy to operateBioreactor/fermenter combinationsBiological substance pretreatmentsBiological cellBiochemical engineering
Owner:HUBEI UNIV FOR NATITIES
Array substrate, display panel, display device and repairing method for display panel
InactiveCN104297985ADoes not affect aperture ratioGuaranteed transmittanceSolid-state devicesNon-linear opticsDisplay deviceOptoelectronics
The invention discloses an array substrate, a display panel, a display device and a repairing method for the display panel, and relates to the technical field of display. The method is invented for solving the problem that when poor light leakage of an existing array substrate is repaired, the aperture opening ratio is decreased. The array substrate comprises a function layer and a photochromic layer arranged on the function layer. When poor light leakage of the array substrate occurs, the photochromic layer forms a light shielding layer through light illumination.
Owner:BOE TECH GRP CO LTD +1
Preparation method of composite bipolar plate for fuel cell and three-dimensional flow field design scheme
ActiveCN109496373AReduce transmittanceGuaranteed transmittanceCollectors/separatorsFuel cellsWater flooding
The invention relates to a preparation method of a composite bipolar plate for a fuel cell and a three-dimensional flow field design scheme thereof. The composite bipolar plate has a three-layer structure composed of a composite carbon plate having a low gas permeability in the middle and an expanded graphite plate having a porous structure on the outer side. The flow field is engraved on the outer porous expanded graphite plate, and the porous structure of the outer expanded graphite plate is used to increase the fuel cell gas transmission effective area and improve the fuel cell drainage efficiency. The three-dimensional flow field engraved on the expanded graphite plate is arranged at intervals of lower width and narrower than the traditional rectangular cross-section flow path. By controlling the opening and closing of the lower width and upper narrow flow path, the forced gas generates flowing in the direction perpendicular to the surface of the bipolar plate, so as to realize three-dimensional transmission of gas, thereby effectively improving the gas mass transfer process inside the fuel cell, preventing water flooding, and improving the power generation performance and operational stability of the fuel cell.
Owner:TSINGHUA UNIV
Laser processing method for sand covering of surface of glass material
ActiveCN109848564AReduced impact strengthEffective control of laser textureLaser beam welding apparatusDot matrixGlass strength
The invention belongs to the technical field of laser microprocessing, and particularly provides a laser processing method for sand covering of the surface of a glass material. A drawing document of aspecific pre-processing disordered dot matrix bitmap is drawn and guided into a laser controller, the laser controller controls laser beams to carry out scanning and ablation along the drawing document according to the path of the disordered dot matrix bitmap, random dot irradiation of the beams onto the disordered dot matrix bitmap is achieved by adjusting the focusing positions of the light beams and processing parameters of a laser device, and therefore the sand covering effect is achieved on the surface of a to-be-processed workpiece. Specific laser device parameters are combined with a software bitmap disordered dotting mode, laser grain generated on the surface of the glass workpiece after processing can be effectively controlled, and meanwhile roughness and transmittance of the sample surface are guaranteed by laser spots under a certain overlapping rate; and in addition, the laser processing manner is adopted, the influence on glass strength is small, and the environment cannot be polluted.
Owner:WUHAN HGLASER ENG CO LTD
Color film substrate, display module, display panel and display device
PendingCN112363345AAchieve comprehensiveImprove transmittanceTelevision system detailsColor television detailsColor filmDisplay device
The invention provides a color film substrate, a display module, a display panel and a display device. The color film substrate comprises a display area and a first area, the first area is adjacent tothe display area, and the first area is used for display and camera shooting; the color film substrate further comprises a base, a plurality of color resistors arranged on the base, a color resistordistribution display area and a first area, and the adjacent color resistors are arranged at intervals; the color film substrate further comprises a light-transmitting switching structure, the light-transmitting switching structure is arranged on the base, the light-transmitting switching structure is located in the interval area between the adjacent color resistors in the first area, and the light-transmitting switching structure can transmit light when the first area is used for camera shooting and can shield light when the first area is not used for camera shooting. According to the color film substrate, when a camera arranged below a liquid crystal screen is used for shooting, external light can reach the camera normally through the light-transmitting switching structure, so that the external light transmittance of the camera arranged below the liquid crystal screen during shooting is improved, and the shooting effect of the camera arranged below the liquid crystal screen is further improved; and meanwhile, the camera is arranged below the liquid crystal screen, so that the comprehensive liquid crystal screen can be realized.
Owner:BOE TECH GRP CO LTD +1
Method for deplating sapphire plated layer by using waste polishing solution
The invention relates to a method for deplating a sapphire plated layer by using a waste polishing solution, belongs to the technical field of glass surface treatment and aims at realizing reuse of the waste polishing solution in an AG (anti-glare glass) process and further ensuring the performance of sapphire after deplating. The invention provides the method for deplating the sapphire plated layer by using the waste polishing solution. The method comprises the following steps: mixing the waste polishing solution produced in the AG process and water to form a mixed solution, and controlling the pH value below 1 for further deplating treatment; soaking the surface-coated sapphire to be deplated in the mixed solution, performing deplating treatment, and cleaning with the water after deplating treatment to obtain a corresponding product. By adopting the method provided by the invention, the reuse of the waste polishing solution is realized, thereby turning waste into treasure, improving economic benefits and further ensuring the crystal purity, the surface roughness and the transmittance of the sapphire after deplating; and furthermore, the process flow is simple and the operation is easy.
Owner:ZHEJIANG XINGXING TECH CO LTD
Mask for manufacturing double-domain electrode, double-domain electrode and display panel
ActiveCN109445246ASharp cornerIncrease exposureOriginals for photomechanical treatmentNon-linear opticsTransmittanceEngineering
The invention discloses a mask for manufacturing a double-domain electrode, the double-domain electrode and a display panel. The mask comprises a plurality of shading strips and light-transmitting strips located between various shading strips; each shading strip comprises a first body part extending along a first direction, a second body part extending along a second direction, a first connectingpart extending along a third direction and a second connecting part extending along a fourth direction; the first body part is connected with the first connecting part; the second body part is connected with the second connecting part; the first connecting part is connected with the second connecting part; and a concave pattern is arranged on the inner side of an included angle between the first connecting part and the second connecting part, and / or a first convex pattern is arranged on the outer side of the included angle. The exposure amount at the inner side of the included angle is increased through the concave pattern, and / or the exposure amount at the outer side of the included angle is reduced through the first convex pattern, so that corners of the double-domain electrode manufactured by using the mask are relatively sharper, so that a Trace mura phenomenon is effectively avoided while ensuring the transmittance.
Owner:BOE TECH GRP CO LTD +1
Preparation method for flexible display
InactiveCN106920813AImprove performanceImprove water and oxygen resistanceSolid-state devicesSemiconductor devicesDisplay deviceEngineering
The invention provides a preparation method for a flexible display. The preparation method comprises the steps of providing a carrier; forming a sacrificial layer on the carrier; forming a first packaging barrier layer, a display assembly, a second packaging barrier layer and a flexible substrate on the sacrificial layer in sequence; and stripping the carrier from the sacrificial layer, wherein the first packaging barrier layer, the display assembly, the second packaging barrier layer and the flexible substrate form the flexible display. According to the flexible display formed in the invention, the flexible substrate is used as the carrier of the flexible display, and is positioned on the second packaging layer, so that the flexible substrate does not suffer from influence from a high-temperature process in the preparation of the display assembly; and material selection of the flexible substrate is higher in degree of freedom, so that the prepared flexible display can ensure flexibility of the flexible substrate as well as can ensure the water oxygen blocking capability of the first packaging barrier layer, thereby improving the performance of the flexible display.
Owner:KUNSHAN NEW FLAT PANEL DISPLAY TECH CENT
Variation model-based single image defogging method
InactiveCN106504216AGuaranteed accuracyInhibition effectImage enhancementImage analysisTransmittanceIteration process
The invention discloses a variation model-based single image defogging method, which comprises the following steps of 1, acquiring an image in the foggy weather, namely a to-be-restored image I; 2, acquiring an initial transmittance image t0(x) based on the dark-channel prior theory; 3, according to an image restoration model in the foggy weather, acquiring an initial restored image J0(x) in the condition of a known transmittance; 4, according to the acquired initial transmittance image t0(x), calculating an initial inverse-edge image M0; 5, based on the inverse problem solving idea and a variation model, constructing an energy function F(t, J) for the single image restoration; 6, based on the step-by-step gradient descent flow method, minimizing the energy function F(t, J); 7, at the ending of the iteration process, extracting an image Jn(x) as a restored image, and an image tn(x) as a transmittance image. Based on the above method, the homogeneity of the transmittance can be maintained. Meanwhile, the defect that the image edge information goes wrong can be overcome.
Owner:SHANDONG JIAOTONG UNIV
Display module
InactiveCN109508577AImprove toughnessGuaranteed thicknessPrint image acquisitionEngineeringLuminescence
A display module includes an optical sensor including a flexible plastic substrate and a device layer positioned on the flexible plastic substrate; A self-luminescent display panel located above the optical sensor; A point light source located on one side of the self-luminescent display panel and the optical sensor; A protective cover plate positioned above the point light source and the self-luminescence display panel; The surface of the protective cover plate opposite to the self-luminescent display panel is a sensing surface, and the light generated by the point-shaped light source is obliquely projected onto the protective cover plate and transmitted to the sensing surface, thereby forming reflected light with fingerprint information on the sensing surface; An optical sensor is used toacquire reflected light to obtain a fingerprint image. Through the use of flexible plastic substrate, on the premise of ensuring the manufacturing yield of the display module, the thickness of the optical sensor is reduced, so as to achieve the purpose of reducing the thickness of the display module, so as to better achieve both the manufacturing yield and the module thinning.
Owner:SHANGHAI OXI TECH
Organic light emitting display panel, method for manufacturing same, and display device
ActiveCN109935726ASolve the problem of low light absorption rateReduce reflectionSolid-state devicesSemiconductor/solid-state device manufacturingDisplay deviceLight transmission
The application discloses an organic light emitting display panel, a method for manufacturing the same, and a display device. The organic light emitting display panel comprises a substrate, a thin film transistor layer and a flat layer. The organic light emitting display panel has a non-display area and a display area, and includes a pixel defining layer on the flat layer, wherein the pixel defining layer is provided with a first recess recessed in the thickness direction of the pixel defining layer, a concave curved first electrode layer and a curved light emitting layer are stacked in the first recess, the first electrode layer is adjacent to the pixel defining layer, and the second electrode layer is disposed on the pixel defining layer; an encapsulation layer disposed on the second electrode layer, wherein the encapsulation layer is provided with a second recess recessed in the thickness direction of the encapsulation layer, and the second recess is provided therein with a convex lens; and an anti-interference layer located on the encapsulation layer and provided with a light transmission hole. The light emitted by the curved light emitting layer is condensed by the convex lensand emitted to the outside through the light transmission hole.
Owner:BOE TECH GRP CO LTD +1
Infrared spectroradiometer based on light splitting of gradual filter
InactiveCN106052869AGuaranteed resolutionGuaranteed detection energy intensitySpectrum investigationVisual field lossSpectroradiometer
The invention discloses an infrared spectroradiometer based on light splitting of a gradual filter. A light chopper is arranged behind an incident lens. A variable diaphragm is arranged behind the light chopper. The gradual filter is arranged behind the variable diaphragm. A first focusing lens group is arranged between the variable diaphragm and the gradual filter. An infrared detector is arranged behind the gradual filter. A second focusing lens group is arranged between the gradual filter and the infrared detector. Light form the incident lens forms a first focusing point by the light chopper, the variable diaphragm is arranged at the first focusing point, the light passes through the variable diaphragm and forms a second focusing point through the first focusing lens group, the gradual filter is arranged at the second focusing point, the light passes through the gradual filter and forms a third focusing point through the second focusing lens group, the infrared detector is arranged at the third focusing point, and the first focusing point, the second focusing point and the third focusing point are arranged on the same axis. According to the invention, the visual field control effect of the variable diaphragm is ensured, the assembling and adjusting difficulty is lowered, and the focusing effect is improved.
Owner:THE 41ST INST OF CHINA ELECTRONICS TECH GRP
Powder body dehydroxylation treatment method and preparation method of quartz glass
ActiveCN110040942AEnsure application qualityLow hydroxyl contentGlass shaping apparatusChemical LinkageTransmittance
The invention provides a powder body dehydroxylation treatment method and a preparation method of quartz glass. Dehydroxylation atmosphere replaces existing chlorine-containing gas, the content of hydroxyl is effectively reduced, and the spectrum transmittance of the infrared band is guaranteed; the defect that the transmittance is affected by the fact that absorption peaks are produced at the vacuum ultraviolet band because of generation of Si-Cl bonds is overcome. With the adoption of the method, the prepared quartz glass has low content of hydroxyl, meanwhile, no other spectrum absorption groups or chemical bonds are produced, and the application quality of an advanced technology is guaranteed.
Owner:ZHONGTIAN TECH
High-transmittance high-heat insulation energy-saving explosion-proof membrane and preparation process thereof
ActiveCN103042766AImprove protectionPrevent oxidationVacuum evaporation coatingSputtering coatingIndiumInsulation layer
The invention discloses a high-transmittance high-heat insulation energy-saving explosion-proof membrane and a preparation process thereof. The membrane comprises a substrate layer, wherein a first metal indium layer is magnetron-sputtered on one surface of the substrate layer; a metal silver layer or a metal aluminum layer as a heat insulation layer is magnetron-sputtered the other surface of the first metal indium layer; a second metal indium layer is magnetron-sputtered on the other surface of the metal silver layer or the metal aluminum layer; and the preparation process comprises the following steps: preparing a plastic-based membrane; magnetron-sputtering and depositing the first metal indium layer for oxidation protection on the plastic-based membrane in the step one; magnetron-sputtering and depositing the heat insulation layer on the other surface of the first metal indium layer; and magnetron-sputtering and depositing the second metal indium layer on the other surface of the heat insulation layer in the step three. According to the invention, the high-transmittance high-heat insulation energy-saving explosion-proof membrane is beneficial to reflecting and blocking infrared rays in solar rays and significant in heat insulation effect, and can preferably protect the magnetron-sputtered metal layers, prevent the metals from oxidation, and improve and ensure the performance and service life of products, thereby being applicable to places with higher requirements; and meanwhile, the invention provides the preparation process of the above high-transmittance high-heat insulation energy-saving explosion-proof membrane.
Owner:斯迪克新型材料(江苏)有限公司
High-contrast transparent projection display screen and manufacturing method thereof
PendingCN108693693AIncrease contrastReduce brightnessLayered productsProjectorsBack projectionReflective layer
The invention provides a high-contrast transparent projection display screen and a manufacturing method thereof. The projection display screen comprises an imaging layer, a light absorbing layer and an anti-reflection layer, wherein the light absorbing layer is located between the imaging layer and the anti-reflection layer. The projection display screen has high contrast, is flexible and foldable, and can be restored completely after bending and folding, and the display effects are not influenced. The projection display screen provided in the invention can be used for both front projection and back projection, and the obtained projection display screens can be seamlessly joined to form a display screen with an extra large size.
Owner:江苏坦能纳米材料科技有限公司
Display module visible in sunlight
PendingCN106324886AImprove visibilityHas anti-reflective propertiesNon-linear opticsLiquid-crystal displayPolarizer
The invention provides a display module visible in the sunlight. The display module comprises a display screen and a backlight module. The display screen comprises a first substrate and a second substrate, between which a liquid crystal material layer is arranged. Substrate film layers are arranged among the first substrate, the second substrate and the liquid crystal material layer. The display module further comprises a circular polarized layer. The display layer is arranged between the circular polarized layer and the backlight module. The display module visible in the sunlight has following beneficial effects: by adding the circular polarized layer and a wave-plate layer in the structure of the display module, a circular polarizer has the feature of antireflection; the feature is fulfilled by reflecting and shielding light into the liquid crystal display module so that antireflection is achieved; when the circular polarizer is adopted, light emitted according to the Malus law is subjected to brightness decay and brightness of emergent light is improved by increasing wave-plate layers; and the display module has the best effect of being visible in the sunlight.
Owner:SHANGHAI GUANXIAN OPTOELECTRONICS TECH CO LTD
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