54 results about "Transmittance" patented technology

A liquid fuel property detection apparatus includes a fuel passage, a light emitting device for emitting a light including a plurality of predetermined wavelengths toward the fuel in the passage, a light receiving device for receiving the light passing through the fuel, and a calculation unit for calculating the concentration of at least one of aroma, paraffin and olefin, which are hydrocarbon component components contained in the fuel. The calculation unit calculates the concentration of a specific component, which is one of aroma, paraffin and olefin, based on the reference transmittance of light in the specific component and the actual transmittance calculated from the amount of light emitted by the light emitting device and the amount of light received by the light receiving device with respect to each wavelength of the light.

A laminated glass according to the present invention includes an outer glass sheet, an inner glass sheet that is arranged opposite to the outer glass sheet and has a smaller thickness than that of the outer glass sheet, and an interlayer sandwiched between the outer glass sheet and the inner glass sheet. A transmittance with respect to light having a wavelength of 850 to 950 nm is 30 to 80%. The outer glass sheet has a thickness of 1.8 to 2.3 mm. The inner glass sheet has a thickness of 0.6 to 2.0 mm. The interlayer includes a plurality of layers including at least a core layer. The core layer has a Young's modulus of 1 to 20 MPa at a frequency of 100 Hz and a temperature of 20° C., the Young's modulus being lower than the Young's modulus of the other layer.

The present disclosure relates to a high light transmittance in-plan switching liquid crystal display device and a method for manufacturing the same. The liquid crystal display device includes: a substrate; a gate line disposed in horizontal direction on the substrate; a gate insulating layer covering the gate line; a data line disposed in vertical direction on the gate insulating layer; an additional insulating layer on the data line having same size and shape with the data line; a passivation layer covering the additional insulating layer; and a common electrode overlapping with the data line on the passivation layer. According to the present disclosure, the failure due to the parasitic capacitance and the load for driving the display panel are reduced and it is possible to make large and high definition display panel.

The present invention discloses a multi-channel aerosol scattering absorption measuring instrument, comprising a light path device, a detection device and a gas path device. The light path device supplies three different wavelengths of laser entering the detection device in sequence; the detection device is provided with photoelectric detectors at multiple angles for measurement, so as to reduce the measurement error of aerosol scattering coefficient; the gas path device comprises a sample loading unit, a calibration unit and a sample discharging unit; and a light source from the light path device and a gas flow from the gas path device enter the photoacoustic cavity of the detection device respectively and are detected by a control unit. The aerosol scattering absorption measuring instrument of the present invention is characterized by multi-channel, multi-angular, full-scale and direct measurement of scattering phase function and absorption coefficient of aerosol particles, combines the function of synchronously acquiring the optical parameters of an aerosol (such as scattering coefficient, extinction coefficient, visibility, transmittance, single scattering albedo, etc.), and achieves the integrated on-line detection of different optical parameters of an aerosol with high automation degree and good stability.

The invention discloses a wave-plate detection device, comprising a light source, a polarizing arm, a sample platform for placing a wave plate to be detected, a polarization detection arm and a detector; the centers of the polarizing arm, the wave plate to be detected and the polarization detection arm are on the same line; the light emitted by the light source is polarized and modulated by the polarizing arm to become modulation polarizing light; the modulation polarization light couples the wave plate information through the wave plate to be detected, and then the modulation and polarization detection are performed on the modulation polarization light through the polarization detection arm; and then the processed modulation polarization light is received by the detector. The invention utilizes the Mueller matrix to establish the relation between the wave plate characteristic parameter and the Mueller matrix, adopts the Mueller matrix ellipsometer to measure the Mueller matrix spectroscopic data of the wave plate to be detected so as to further obtain the characteristic parameter spectral data of the wave plate to be detected. The invention obtains the all characteristic parameter spectral data of any wave plate from one time measurement, and the parameter spectral data comprise phase retardation, a fast axis azimuth, a fast-slow axis transmittance amplitude ratio angle and a depolarization index.

To improve optical power detection accuracy without increasing size, etc. of a device, when controlling a plurality of light variable parts such that the sum of a plurality of optical powers becomes the minimum. Provided is a wavelength tunable light source for changing the wavelength of light by using a multiple resonator including two or more coupled resonators with different optical path lengths from each other. The light source includes: a single or more light variable part for changing transmittance of the resonators; photosensor parts which detect each light outputted from the two or more resonators by each of the resonators as optical powers being converted into electric power values; and a control unit which adds the optical powers detected by the photosensor parts by each resonator, and controls changes in the transmittance by the light variable parts such that the sum of the added optical powers becomes the minimum.

The present invention can include a display device for use in a vehicle having a screen with a polarizing member disposed in the front of a display surface of a liquid crystal display, the polarizing member having a light transmittance of less than 50%, a surface of the screen is coplanar with a surface of the cover member. Also, the polarizing member is not provided on the display surface of the liquid crystal display, and when the liquid crystal display is not used, the screen is inconspicuous, and when the liquid crystal display is used, information can be viewed from the screen.

The invention discloses an automobile glass light transmittance adjusting method and device and a computer readable storage medium, and belongs to the field of vehicle engineering. The method comprises the steps that the illumination intensity of the position where an automobile is located at current is detected; on the basis of the illumination intensity, the target glass transparency and the target glass color are obtained; and the automobile glass transparency is adjusted to the target glass transparency, the automobile glass color is adjusted to the target glass color, and accordingly automobile glass light transmittance adjustment is finished. According to the automobile glass light transmittance adjusting method and device and the computer readable storage medium, through detection on the illumination intensity, the target glass transparency and the target glass color are obtained, the automobile glass transparency is adjusted to the target glass color, the automobile glass color is adjusted to the target glass color, accordingly, a user can adjust the light transmittance of the automobile glass without a transmitting film pasting manner, and potential safety hazards caused by improperness of a transmitting film are avoided; and the flexibility of light transmittance of automobile glass and automobile driving safety are improved.

A red-colored film in which when an elliptically polarized light is incident on the film in a direction 45° aslant from a normal line direction with respect to a surface of the film, a light transmitted through the film has an average amplitude transmittance ratio (av. tan Ψ) in a wavelength region of 575 to 635 nm, which satisfies the following equation (1):

0.960<av. tan Ψ<1.040   (1).

A red-colored composition contains a red pigment A having a BET specific surface area in the range from 90 to 140 m²/g, a red pigment B having a BET specific surface area in the range from 70 to 85 m²/g, and a pigment carrier formed of a transparent resin, a precursor of the transparent resin or a mixture of the tarns parent resin and precursor thereof. A color filter has the red-colored film as a red color filter segment. The liquid crystal display device includes the color filter.

The invention belongs to the field of optical thin film materials and particularly relates to a method for preparing a high-hardness antireflection film on the basis of hollow silicon dioxide. The method takes tetraethoxysilane as the raw material, polyacrylic acid as a templating agent, 2-isopropoxy ethyl alcohol and methyl alcohol as solvents together, and ammonium hydroxide as a catalyst to prepare a hollow SiO2 coating film sol through a template method, and a two-sided thin film is plated on a glass substrate through a dip-coating method. After being calcined at 550 DEG C, the antireflection film is obtained, the average light transmittance is more than 98% within the light transmittance wavelength range of 400-800 nm, and the hardness is more than 4H.

A composite wafer 10 includes a supporting substrate 12 and a semiconductor substrate 14 which are bonded to each other by direct bonding. The supporting substrate 12 is a translucent alumina substrate with an alumina purity of 99% or more. The linear transmittance of the supporting substrate 12 at the visible light range is 40% or less. Furthermore, the total light transmittance from the front at a wavelength of 200 to 250 nm of the supporting substrate 12 is 60% or more. The average crystal grain size of the supporting substrate 12 is 10 to μm. The semiconductor substrate 14 is a single crystal silicon substrate. Such a composite wafer 10 has insulation performance and thermal conduction comparable to those of a SOS wafer, can be manufactured at low cost, and can be easily made to have a large diameter.

The invention relates to the technical field of epoxy structural adhesives, in particular to a single-component epoxy structural adhesive for waterproof sealing. The single-component epoxy structuraladhesive is prepared from the following raw materials in parts by weight: 100 to 150 parts of epoxy resin, 30 to 90 parts of multifunctional epoxy resin, 50 to 150 parts of a curing agent and 30 to 120 parts of a hydrophobic filling material. The invention further discloses a preparation method of the single-component epoxy structure adhesive for waterproof sealing. The single-component epoxy structure adhesive for waterproof sealing is high in bonding strength, low in water vapor transmittance, excellent in high-temperature and high-humidity resistance, excellent in high-temperature and low-humidity resistance, and is excellent in universality on bonded base materials.

The invention relates to a titanium aluminium nitride dielectric layer low-radiation film and a preparation process thereof, belonging to the technical field of functional films. According to the invention, the titanium aluminium nitride dielectric layer low-radiation film is prepared by adopting a magnetron sputtering method, and the film structure of the titanium aluminium nitride dielectric layer low-radiation film sequentially comprises a titanium aluminium nitride dielectric layer inner layer, a silver layer and a titanium aluminium nitride dielectric layer outer layer from a substrate to upper part. The titanium aluminium nitride dielectric layer low-radiation film disclosed by the invention is high in visible light transmittance, low in infrared radiance and long in service life. The preparation process of the titanium aluminium nitride dielectric layer low-radiation film is simple, easy to operate, low in production cost and good in industrial application prospect. The titanium aluminium nitride dielectric layer low-radiation film can be widely applied to the industries such as energy-saving building glass and automobile glass, reduces glass heat waste and reduces energy consumption for regulating and controlling room temperature.

It is an object to provide a near infrared light absorbable dye composition which absorbs near infrared light efficiently, has a high visible light transmittance, is excellent in light resistance, heat resistance and wet heat resistance, is hardly deteriorated in durability even when blended so as to have an absorption in a wide range of 800 to 1100 nm, and requires a low cost for synthesis and isolation thereof upon production, and provide a near infrared light absorbable filter containing the same. Provided is the near infrared light absorbable dye composition containing compounds represented by the following formulae (1), (2) and (3):

wherein R¹ to R⁴ represent an organic group which has a carbon atom at a binding position and may have a substituent or a hydrogen atom, R⁵ to R⁸ represent an aliphatic hydrocarbon group or an aryl group which may have a substituent, R¹ and R² and the like may together form a ring; R⁹ and R¹⁰ in the general formula (3) represent R¹ and R² or R³ and R⁴ in the general formula (1), and R¹¹ and R¹² in the general formula (3) represent R⁵ and R⁶ or R⁷ and R⁸ in the general formula (2), respectively.

Curved lenses configured to decode three dimensional content and method of fabricating the same. The lenses comprise a polyvinylalcohol polarizer film laminated with triacetate on both sides, wherein the polarizer film has a polarizing efficiency equal to or exceeding 99% and a transmittance percentage equal to or exceeding 35% and a retarder film (e.g., norbornene copolymer resin) laminated on a front surface of the polyvinylalcohol polarizer film laminated with triacetate and aligned to produce a desired circular polarization responsive to specified retardation wavelengths.

A multi-user digital laser imaging system for imaging film from bar coded cartridges as a function of image values representative of the images to be printed. The imaging system includes memory for storing transfer functions and film models for each of several users. The transfer functions characterize the relationships between image values and expected imaged film transmittance quantities. The film models characterize the relationship between the transmittance quantities and laser drive values that will provide the appropriate film exposure. An image management subsystem generates lookup tables characterizing the relationship between image values and laser drive values on the basis of user-selected transfer functions and film models selected by the system through the use of film identification information read from the bar code. During imaging operations the image management subsystem accesses the lookup tables as a function of the image values to obtain the appropriate laser drive values. The transfer functions can be modified to accommodate user preferences. Test wedge calibration procedures are periodically implemented to correlate the film models to measured sensitometric characteristics. Density patch calibration procedures are performed during each imaging operation to correct for drifts caused by the film developing subsystem.

A synthetic quartz glass substrate is prepared by furnishing a synthetic quartz glass block, coating an arbitrary surface and an opposite surface of the block with a liquid having a transmittance of at least 99.0%/mm at the wavelength of birefringence measurement, measuring the birefringence of the block by letting light enter one coated surface and exit the other coated surface, and sorting the block to an acceptable or unacceptable group, based on the measured birefringence value.

The invention belongs to the technical field of optical functional materials. A mixture system of a diimonium salt dye and a polyacrylate pressure-sensitive adhesive which contains alkoxy acrylate and has good compatibility with the diimonium salt dye is used, and a conventional coating preparation technology is used. The invention relates to a near infrared blocking membrane which is a single layer structure, and comprises a substrate, an adhesive glue film and an isolation film, the adhesive glue film thickness is between 5 ~ 50 mum, and an adhesive glue film coating liquid includes at least the following components by mass: 100 parts of the polyacrylate pressure-sensitive adhesive containing 9% ~ 50% of alkoxy acrylate, 0.5-10 parts of diimonium salt and 0.1-10 parts of a curing agent. The preparation method also includes curing process, and the curing conditions are 40-70 DEG C, 30-60% of RH, and 24-168 hours. The near infrared blocking membrane has good visible light region light transmittance, lower near infrared region light transmittance, and good stability of spectral integral blocking effect, and is applicable to the fields of electronics optical instruments and the like with shielding requirements on near infrared. The preparation method is simple in process and easy in operation and control, and production efficiency and rate of good product are high.

The invention provides an LED device and a preparation method thereof. The LED device comprises an LED semiconductor chip and a semi-transparent glass body, wherein the semi-transparent glass body is formed by sintering on a light-exiting surface of the LED semiconductor chip; the semi-transparent glass body is formed by coating the light-exiting surface of the LED semiconductor chip with a suspension liquid prepared by mixing nanoscale glass powder and red-yellow primary color fluorescent powder and then naturally drying and sintering the LED semiconductor chip; and the preparation method of the LED device comprises the following steps: mixing the nanoscale glass powder with the red-yellow primary color fluorescent powder to prepare the suspension liquid; coating the LED semiconductor chip with the suspension liquid; and naturally drying and sintering the LED semiconductor chip until a coating layer becomes the transparent glass body. The nanoscale glass powder is prepared by doping titanium dioxide and iron trioxide into a glass formula material, so that a 'rich blue light' emitted from the formed LED device can be effectively blocked and absorbed; the harm of the 'rich blue light' to human eyes is reduced; and the light transmittance is improved.

The invention relates to the technical field of coatings, and concretely relates to a photovoltaic glass panel surface layer anti-damping coating and a preparation method thereof. The photovoltaic glass panel surface anti-damping coating comprises, by weight, 8-20% of fluorosilicone copolymer resin, 5-12% of silica, 2-8% of a dispersant, 1-5% of a penetrant, 0.5-2% of an antifoaming agent, 1.5-5% of a leveling agent, and the balance of a diluent. The photovoltaic glass panel surface anti-damping coating has a water repellency reaching 95%, has a great water contact angle reaching 130 DEG or more and has a rolling angle being less than 20 DEG, so the coating has a good self-cleaning ability and a light transmittance of 98% or more under rain erosion, and also can guarantee the photovoltaic conversion rate on the premise of a self-cleaning effect. The preparation method of the photovoltaic glass panel surface anti-damping coating has the advantages of simplicity, low cost and high efficiency.

The invention provides an OLED display substrate and a display panel. The OLED display substrate comprises a plurality of light-emitting units arranged in an array mode; a pixel definition layer is arranged between every two adjacent light-emitting units; and the surface of one side, facing the display side, of each pixel definition layer is configured as a reflection surface. In this way, when the light-emitting units of the OLED display substrate are lightened, the pixel definition layers can shield light interference between the adjacent light-emitting units, the overall display color deviation is adjusted, and the reflection surfaces of the surfaces of the pixel definition layers are used as the mirror surfaces so as to meet the mirror surface display requirement of the OLED display substrate. Due to the fact that the reflection surfaces and the light-emitting units are basically located on the same space layer, the transmittance of the OLED display substrate is improved, so that the technical problem that the energy consumption is excessively high due to the fact that the display brightness is increased for compensation of relatively low transmittance is solved. In addition, due to the fact that a mirror reflection layer and a circular polarizer do not need to be additionally arranged, the machining process is simplified, and the manufacturing cost is reduced.

The invention discloses a normal temperature temperature-sensitive infrared absorption reflective reversible conversion combinatorial material, which relates to a building energy-saving combinatorial material. The combinatorial material is formed by overlapping and combining an upper layer material and a lower layer material, wherein the lower layer adopts a high-absorption material such as a phthalocyanine dye, an arylmethane dye, a silver nano-material or a nickel-phosphonium alloy film and the like which has an effect of absorbing 95 to 98 percent of sunlight infrared radiations; and the upper layer adopts a material capable of performing reversible conversion on the transmittance of the infrared radiations, the material capable of performing the reversible conversion has the transmittance of 90 percent of the transmittance of the infrared radiations at a low temperature and the transmittance of 0 to 10 percent of the transmittance of the infrared radiations at a high temperature, and an intelligent sunshade material is generated at the temperature of about 18 DEG C when the material capable of performing the reversible conversion has high temperature and low temperature characteristics. The normal temperature temperature-sensitive infrared absorption reflective reversible conversion combinatorial material has the performance of absorbing a large quantity of sunlight infrared energy at the low temperature, reflecting a large quantity of the sunlight infrared energy at the high temperature, and having a reversion temperature of about 18 DEG C for the two different characteristics, has the advantages of wide material sources, low price, simple processing and manufacturing, convenient use, no toxicity and harms to the environment, and great economic and social benefits.

The invention relates to thermal insulation paint used on glass, belonging to the technical field of thermal insulation paint. The thermal insulation paint aims at solving the problems that in the prior art, the thermal insulation paint for glass is barely satisfactory in the aspects of absorbance, reflection and transmittance of light rays, meanwhile, such aspects as abrasive resistance, adhesive force and the like have no prominence either, the environmental protection performance is poor, and the requirement for existing green production cannot be met. The thermal insulation paint used on the glass is prepared from the following components in parts by weight: 8 to 30 parts of a SiO2 aerogel water dispersion paste, 10 to 20 parts of nanometer ATO aqueous dispersion liquid, 26 to 50 parts of aqueous acrylic resin, 25 to 90 parts of aqueous polyurethane resin and an adjuvant. The thermal insulation paint used on the glass is safe in use and environment-friendly, does not cause destruction to the environment, is simple in construction, and has excellent waterproof performance and thermal insulation performance.