57 results about "Absorption filter" patented technology

The present invention pertains to: a light absorption filter comprising a light absorptive evanescent layer containing a resin, a dye that has a main absorption wavelength band at a wavelength of 400-700 nm, and a compound that generates radicals through ultraviolet irradiation, and a wavelength selective absorption layer containing a resin and a dye that has a main absorption wavelength band at a wavelength of 400-700 nm, but not containing a compound that generates radicals through ultraviolet irradiation; and an optical filter using the same, a method for manufacturing the optical filter, a display element intermediate product, a display element, an OLED display device, an inorganic EL display device, and a liquid crystal display device.

A method for generating an image begins by sampling an output for each optical sensor of a plurality of optical sensors of an array of optical sensors, where the array of optical sensors is overlaid by a plurality of sets of interference filters and a plurality of sets of spatially distributed absorption filters, with each set of interference filters of the plurality of sets of interference filters configured to provide a multi-band wavelength response for an absorption filter of the plurality of sets of absorption filters. The method continues by generating a sampled output for each optical sensor of the plurality of optical sensors to provide a plurality of sets of sampled outputs. The method then continues by de-mosaicing a set of sampled outputs of the plurality of sets of sampled outputs to generate spectral bandpass information for the image.

An imaging system includes a plurality of sets of optical sensors and a plurality of sets of optical filters, each set of optical filters being associated with a set of optical sensors. Each set of optical filters further includes a plurality of sets of absorption filters and a plurality of interference filters, with each interference filter of the plurality of interference filters configured to pass light of a different wavelength range and with each absorption filter of a set of absorption filters configured to pass light of a different wavelength range. The system includes one or more processors adapted to sample a first output from optical sensors associated with an absorption filter associated with each set of filters. The system further includes one or more processors adapted to sample a second output from optical sensors associated with an interference filter associated with each set of interference filters.

The utility model discloses an online purification device for a hydraulic station, which relates to the technical field of purification of hydraulic stations, is used for solving the problems in the prior art and comprises a purification device frame, a water absorption filter, a precision filter and a control cabinet are arranged on the purification device frame, the water absorption filter is connected with an oil inlet pipe, and the precision filter is connected with an oil outlet pipe. The water absorption filter is connected with the precision filter through a pipeline, and the end of the oil inlet pipe is an oil inlet pipe opening; a variable frequency gear pump, an oil inlet sampling valve, an oil inlet window and a first pressure sensor are sequentially arranged on the oil inlet pipe from an oil inlet pipe opening to the water absorption filter; according to the scheme, online purification is conducted, the structural design is reasonable, the matching effect is good, the cleanliness and the water content of the purified oil product can be obviously improved, the oil product quality is guaranteed, meanwhile, energy consumption is reduced, manual guarding is not needed, the energy consumption is reduced, and the production efficiency is improved. And the labor intensity of workers is reduced.

A wavelength selective absorption filter contains a resin, a coloring agent, and a compound having at least one polar group of a carboxylic acid ester bond, a carboxylic acid amide bond, a sulfonic acid amide bond, a urethane bond, or a sulfonyl bond and a MW≤1,000 where dye includes at least one of dye A having a main absorption wavelength range at a wavelength of 390 to 440 nm and dye D having a main absorption wavelength range at a wavelength of 680 to 780 nm, a 20% value wavelength A with respect to an absorbance maximal value exhibited by a main absorption wavelength is 455 nm or less where dye A is contained, and a 20% value wavelength D with respect to the absorbance maximal value exhibited by the main absorption wavelength is 640 nm or more where dye D is contained, and a display device.

Provided are: a wavelength-selective absorption filter comprising a first wavelength-selective absorption layer that contains a transparent resin and a dye and a second wavelength-selective absorption layer that contains a transparent resin and a dye, wherein the dye contained in the first wavelength-selective absorption layer has a main absorption wavelength band in a wavelength range different from that of the dye contained in the second wavelength-selective absorption layer; and a display device comprising the wavelength-selective absorption filter.

The present application relates to a kind of tail gas self-circulation white feather elimination device and method, present existing industrial tail gas elimination "white feather" effect is not good, the problem of high cost. Including quenching tower, absorption tower, gas-gas heat exchanger, electrostatic precipitator and tail gas suction fan, when using, dry high-temperature tail gas is indirectly heat exchanged in the heat exchange pipe middle of gas-gas heat exchanger, after heat exchange, tail gas enters into quenching tower, and from quenching tower in countercurrent contact with quenching water, after washing condensation, tail gas is discharged from the top of quenching tower to the lower part of absorption tower under the action of circulating fan, dry tail gas is absorbed and filtered after being absorbed and filtered from absorption circulating pump through absorption filtering device, enters into electrostatic precipitator and is purified, then enters into the shell of gas-gas heat exchanger and is indirectly heat exchanged, after purification, tail gas is heated by uncleaned tail gas and is discharged to the environment, i.e. using the heat of tail gas itself to heat tail gas to unsaturated state, the purpose of tail gas white feather elimination is realized, so as to produce low cost.

Provided are a light absorption filter and an image display device including the same. The light absorption filter comprises: a light absorption layer containing a resin and a dye that includes a dipyrromethene pigment with a built-in quencher; and a gas barrier layer disposed on at least one surface of the light absorption layer.

The application provides a light-concentrating frequency-division sewage treatment system and method based on multi-optical-path photo-thermal photocatalysis, and belongs to the technical field of sewage treatment. In order to solve the problems that the traditional sewage treatment system cannot effectively utilize full-band sunlight by adopting a single photo-thermal technology mode, and the photocatalytic technology can only utilize specific wavelengths, and the solar energy utilization rate is not high, the system depends on a large amount of traditional energy, and the sewage treatment efficiency is low. According to the position of the sun and the direction of light propagation, the angle of the light concentrator is adjusted, the light concentrator reflects sunlight onto an optical absorption filter, the ultraviolet light and infrared-visible light are separated through the optical absorption filter, the ultraviolet light is reflected onto a light collector in the optical absorption filter, then the light is introduced into a reactor through a light guide pipe for sewage treatment, and the light of the remaining wavelengths is absorbed by the optical absorption filter and then enters a heat receiver, and is circulated in a circulating water pump and a heat exchanger in turn.

A light absorption filter including a resin, a dye having a main absorption wavelength band in a wavelength range of 400 to 700 nm, and a compound that generates a radical upon ultraviolet irradiation, in which the dye contains at least two kinds of dyes with hues in a complementary color relationship, an optical filter using the light absorption filter, a manufacturing method for an optical filter, an organic electroluminescent display device, an inorganic electroluminescent display device, and a liquid crystal display device.

There are provided a light absorption filter including a wavelength selective absorption layer containing a resin A having an acid group, and a dye, and an adjacent layer directly disposed on at least one surface of the wavelength selective absorption layer, in which the adjacent layer contains a resin having a basic group, an optical filter using the light absorption filter, a manufacturing method for the optical filter, and an OLED display device, an inorganic EL display device, and a liquid crystal display device, each of which includes the optical filter.

The light absorption filter comprises a chiral anisotropic liquid crystal host having positive anisotropy and a dichroic light-absorbing portion associated with the host. The filter has an absorbance A of light measured at an incidence angle θ from the normal to the filter surface. θ However, according to Beer's Law, the absorbance A is predicted when θ is at least 30°. T It is characterized by being at least 1% higher or at least 1% lower than [the specified value]. The light absorption filter can be used in combination with optical elements and light sources.

The invention relates to an image sensor with improved color accuracy. An imaging device includes a plurality of optical sensors and a plurality of sets of interference filters disposed on an integrated circuit, where one of the plurality of sets of interference filters includes a plurality of interference filters constituting an array, where each interference filter is configured to allow light of a different wavelength range to pass through. The invention further comprises a plurality of groups of absorption optical filters, one group of absorption optical filters in the plurality of groups of absorption optical filters comprises a plurality of absorption optical filters forming a certain array, and each absorption optical filter is associated with one or more interference optical filters to form an absorption optical filter and interference optical filter pair. Each absorption filter and interference filter pair is associated with one or more optical sensors configured to allow passage of light having a narrower wavelength range than the individual absorption filter.

The utility model relates to the technical field of photoresist preparation equipment, in particular to a photoresist preparation waste gas treatment device which comprises a reaction box and a filter box, a gas-liquid mixing area and a light degradation area are arranged in the reaction box, gas-liquid mixing is firstly carried out after the waste gas is pumped in so as to remove particulate matters and soluble substances in the waste gas, and then residual toxic substances are degraded through the light degradation area; wastewater generated in the gas-liquid mixing area can be recycled after being filtered through a filter box, a rotary absorption filter is arranged in the filter box, and desorption and combustion treatment can be automatically completed through an air heater and a combustion chamber; according to the utility model, the filler does not need to be replaced, the desorption and combustion treatment of toxic substances can be automatically completed in the equipment, the internal space is sealed from the outside in the whole course, and the risk of toxic substance leakage is completely eradicated.

The present invention provides a wavelength selective absorption filter containing a resin and the following dyes A and C having main absorption wavelength bands in different wavelength regions, a polarizing plate including the wavelength selective absorption filter, an organic electroluminescent display device, or a liquid crystal display device. Among them, the above-mentioned dyes A and C do not have fluorescence. Dye A: a dye having a main absorption wavelength band at a wavelength of 400 to 450 nm in the wavelength selective absorption filter; Dye C: a dye having a main absorption wavelength band at a wavelength of 560 to 600 nm in the wavelength selective absorption filter.

The utility model discloses an intelligent ventilation heat preservation anti-explosion circulation fan which comprises a circulation fan body, an air inlet and an air outlet are formed in the outer wall of the circulation fan body, the air inlet of the circulation fan body is connected with an adsorption mechanism, and the adsorption mechanism is connected with a connecting flange. The adsorption mechanism comprises a mounting box fixed between the air inlet and the connecting flange, a through hole communicated with the air inlet and the connecting flange is formed in the mounting box, a plug cover is mounted at the top of the mounting box, and two winding rollers located on the two sides of the inner wall of the mounting box are mounted at the bottom of the plug cover; the two winding rollers are provided with the same water absorption filter cloth in a winding mode, small holes are evenly formed in the water absorption filter cloth, and a driving mechanism for achieving rotation of the winding rollers is installed on the plug cover. According to the utility model, the problems provided by the background technology are effectively solved, the effect of adsorbing water vapor in the air to a certain extent is realized, a certain drying effect is realized, and the device can be automatically replaced, is long in service life and can be replaced at one time.

The invention discloses a color temperature response method, an optical sensor, electronic equipment and a storage medium, the method is applied to the optical sensor, the optical sensor comprises a diode, an interference filter and an absorption filter, the interference filter performs interference filtering based on a preset filtering range, and the absorption filter performs absorption filtering based on the diode. The color temperature response method comprises the following steps: after obtaining light source response data through a diode, filtering the light source response data through an interference filter to obtain interference filtered data; wherein the wavelength of the data after interference filtering belongs to a preset filtering range; filtering the data after interference filtering through an absorption filter to obtain first data corresponding to the first color channel, second data corresponding to the second color channel and third data corresponding to the third color channel; and determining color temperature data corresponding to the light source response data according to the first data, the second data and the third data.

The invention discloses a braid elastic band laser cutting device, and relates to the technical field of laser cutting machines. The laser cutting device comprises a base, a longitudinal rail frame is fixedly connected to the middle of the interior of the base, a moving frame is slidably mounted in the longitudinal rail frame, a transverse rail frame perpendicular to the longitudinal rail frame is fixedly connected to the moving frame, a moving block is slidably mounted on the transverse rail frame, and a laser cutting head is fixedly connected to the moving block; the two ends of the base in the length direction are each provided with two rotating rollers which are oppositely arranged up and down. The supporting net plate is supported in the base in a suspended mode through a supporting block and movably penetrates through the movable frame. The humidifying pipeline is arranged in the gas collecting frame, water mist is mixed with flue gas, then the collecting box is used for filtering water, dust impurities contained in the flue gas can be effectively removed, the filtering effect is guaranteed, meanwhile, the flue gas can be prevented from being attached to the inner wall of the gas collecting frame, and the dust impurities are also prevented from blocking the water absorption filter screen.

The utility model discloses a safety helmet production waste gas purification device, relates to the technical field of waste gas purification, and aims to solve the problems that all harmful substances in waste gas cannot be effectively removed by an activated carbon and filter screen treatment mode, the removal effect on some volatile organic compounds (VOCs) is poor, and the long-term operation cost is high. Comprising a catalytic treatment box, a filtering mechanism used for filtering waste gas is installed on one side of the catalytic treatment box, a condensation mechanism used for cooling the waste gas is arranged on the other side of the catalytic treatment box, and a splitter plate is fixed in the catalytic treatment box. The coarse filter screen is made of a stainless steel screen, the fine filter screen is made of a polyester fiber material, impurities in waste gas can be filtered, and the water absorption filter element is made of activated carbon fibers with high hydrophilicity, so that water in the waste gas is adsorbed.

The application discloses a kind of waste steel and iron broken screening classification device, including fixed frame, belt conveyor, conveying baffle, the belt conveyor is installed between two the fixed frame, the conveying baffle is installed in the belt surface of belt conveyor, the fixed frame is equipped with impurity cleaning mechanism, the fixed frame is equipped with size classification mechanism;The impurity cleaning mechanism includes U-shaped fixed frame, iron block moving part, cleaning part and absorption filter part;The size classification mechanism includes screening frame, large block collecting box, small block collecting box and sieve aperture adjusting part, the sieve aperture adjusting part adjusts the size of sieve aperture.The beneficial effects of the present application are that the waste steel and iron block can move left and right during conveying, can completely discharge impurities, improve the effect of impurity removal, clean iron filings, dust and waste that is not steel, can adjust the sieve aperture of different sizes according to demand, do not need to replace the screen, improve work efficiency and improve screening efficiency.

The application relates to a special explosion-proof air conditioner, in particular to a special explosion-proof air conditioner indoor unit used in a high-temperature dust environment. A first filtering device comprises a water storage filter body, the water storage filter body is connected to a water source, dust is filtered through the water storage filter body, dust reduction is achieved, the water storage filter body is connected with a water drainage device one, dust is removed in the water drainage process, the purpose of cleaning the water storage filter body is achieved, dust is filtered through the water storage filter body, water quantity can be controlled while the dust reduction effect is ensured, subsequent dehumidification is facilitated, a second filtering device comprises a water absorption filter body, the water absorption filter body is connected with a water drainage device two, the rotating seat rotates to alternately shield the inner ends of two air inlet tubes, two air inlet tubes are made to work in turns through a switching device, one air inlet tube works while the other air inlet tube is cleaned, the two air inlet tubes are used alternately, and the purpose of continuous use is achieved.

The utility model provides a modularization double runner NMP waste gas treatment unit relates to waste gas treatment technical field, include: adsorption box, runner box is fixedly connected in one end of adsorption box, realizes to waste gas and carries out adsorption, desorption, concentration, intercommunication box is arranged in one end of runner box, realizes to the intercommunication of absorption filter cartridge and runner box, absorption filter cartridge is fixedly connected in one end of intercommunication box. The utility model, through the rotation treatment of double shaft motor drive connecting rod and threaded rod being provided, can make threaded rod drive and its threaded installation slide and positioning seat move, can make positioning seat enter inside positioning groove, finally complete the assembly fixed treatment of runner box and intercommunication box, effectively improved for the runner box's dismounting and installation efficiency, can be convenient for the check replacement maintenance treatment of adsorption runner in runner box, improved device work efficiency also is convenient for the maintenance treatment of staff to device.

The invention provides a dual-passband absorption filter. The dual-passband absorption filter comprises a dielectric plate, a dual-frequency filter circuit and an out-of-band absorption circuit which are printed on the upper surface of the dielectric plate, and a metal floor printed on the lower surface of the dielectric plate, the double-frequency filter circuit comprises a first group of microstrip lines, a parallel coupling line structure and a second group of microstrip lines which are connected in sequence; the parallel coupling line structure comprises a first coupling microstrip line, a second coupling microstrip line and a third coupling microstrip line which are arranged in parallel side by side, and the second coupling microstrip line is arranged between the first coupling microstrip line and the third coupling microstrip line; the out-of-band absorption circuit comprises a third group of microstrip lines and an absorption resistor connected to the third group of microstrip lines, and one end of the third group of microstrip lines is connected to the first group of microstrip lines. The broadband double-band-pass effect is achieved through the simple structure, the characteristic of low loss in the passband is achieved, the characteristic of high absorption outside the passband is achieved, and the wide engineering application prospect is achieved.

Provided are a wavelength selective absorption filter containing a resin and a dye A, which has a main absorption wavelength band in the wavelength selective absorption filter at a wavelength of 400 to 450 nm, and a dye C, which has a main absorption wavelength band in the wavelength selective absorption filter at a wavelength of 560 to 600 nm, each of which has a main absorption wavelength band in a different wavelength range, as well as a polarizing plate and an organic electroluminescent display device or liquid crystal display device, which include the wavelength selective absorption filter. However, the dye A and the dye C do not have fluorescence.

A large-field-angle underwater optical communication receiver optical system sequentially comprises an optical window, a composite absorption optical filter and a photoelectric detector along an optical path, the composite absorption optical filter is formed by tightly stacking a band-pass type absorption optical filter and a cut-off type absorption optical filter, and the band-pass type absorption optical filter and the cut-off type absorption optical filter are coupled through spectral characteristics of the band-pass type absorption optical filter and the cut-off type absorption optical filter. The central wavelength of the composite narrow-band-pass filtering structure is in a blue-green light wave band, and the passband characteristic of the composite narrow-band-pass filtering structure is insensitive to an incident angle. By utilizing the angle insensitivity of the absorption optical filter, the problem of performance degradation caused by passband blue shift when a traditional interference optical filter receives at a large field angle is fundamentally solved, background light can be stably and efficiently inhibited within the field angle range larger than or equal to 120 degrees, meanwhile, the high transmittance of communication signal light is ensured, and the communication quality is improved. And the signal-to-noise ratio and the dynamic range of the underwater optical communication receiver are improved.

A cooking appliance includes a cooking cavity and a steam generator that is configured to introduce steam into the cooking cavity. The cooking appliance further includes a vent assembly in fluid communication with the cooking cavity and a space outside the cooking appliance. Air from the cooking cavity may flow through a steam-absorbing filter to remove at least some steam before the air exits to a space outside the cooking appliance.

The invention discloses a reactive dye-based long-wave-pass optical filter film and a preparation method thereof, and relates to the technical field of optical filter materials, the reactive dye-based long-wave-pass optical filter film comprises: a resin matrix for providing a polymer chain; the reactive dye is subjected to copolymerization or cross-linking reaction with a polymer chain of the resin matrix through a reactive functional group of the reactive dye to form a covalent bond, so that the reactive dye is fixed inside the resin matrix; and the base material is used for providing a coating process operation surface for the color paste after bonding of the reactive dye and the resin matrix. The reactive dye-fixed filter film provided by the invention has the advantages that the steep edge of an interference filter and the angle of a traditional absorption filter are independent, and meanwhile, the defect that a dye filter is poor in stability is overcome, that is, the problems that a traditional filter film is easy to fade or release free metal ions, poor in weather resistance and the like are solved.

An ambient light sensor comprises at least three main channel sensing units and at least one cooperative channel sensing unit. Each main channel sensing unit comprises a filter and a photosensitive element, the filter is arranged on a light receiving path of the photosensitive element, and the filter comprising one main channel sensing unit is an absorption filter. Each cooperative channel sensing unit comprises a filter and a photosensitive element, the filter is arranged on a light receiving path of the photosensitive element, and the filter comprising one cooperative channel sensing unit is an interference filter. Therefore, the error range of the spectrum reduction result of the ambient light sensor product influenced by the process variation can be effectively controlled so as to improve the product yield.

An optical system for a camera module (1) comprising an image sensor (7) and an optical arrangement defining a beam path (9), wherein in the beam path (9) the optical components contained therein are arranged in the following order in front of the image sensor (7): (a) a first prism (2), (b) optionally a first planar optical element (3), (c) an optical lens system (4), and (e) optionally a second prism (6), wherein at least component (a) comprises at least one absorption filter.