44 results about "Violet ray" patented technology

A washing and drying machine includes a water tank, a rotary drum, an irradiating light source and control means. The rotary drum is rotatably supported in the water tank. The irradiating light source is for emitting a light beam including ultra-violet ray to the inside of the rotary drum. The control means controls the irradiating light source such that the light beam including the ultra-violet ray is emitted to the inside of the rotary drum after the end of the drying process.

The invention discloses a method for preparing a quantum dot light-wave conversion layer on the surface of a silica-based solar cell, and the method is characterized by doping CdS or CdTe quantum dot materials into silicon dioxide solrubber to obtain compound materials of quantum dot light-wave conversion layer and then coating the compound materials on the surface of the silica-based solar cell to form the quantum dot light-wave conversion layer. The method includes the preparation of silicon dioxide solrubber and quantum dot nanomaterials, synthesis of compound materials and the coating of the surface of solar cell. The method has high light transmission rate, can convert violet rays and ultraviolet light below 400 nm in sunlight into visible light within 400-700 nm, greatly improves the photoelectric conversion efficiency of the silica-based solar cell, and has the advantages of high photoelectric conversion rate of the quantum dot light-wave conversion layer, simple method and low cost compared with the prior art.

The invention relates to an efficient blu-ray inhibition lens and a preparation method thereof. The lens comprises a substrate and a coating layer, wherein the substrate is made from a CR-39 material and an ultraviolet absorbent, as well as 0.5-2.5 percent of melanin; and a staining agent, a Blue Blocker staining agent, permeates the interior tissue of the substrate. The lens has the visible light transmittance kept above 65 percent, has the 380-500nm short-wave visible light transmittance smaller than 10 percent (that is, most blu-ray is filtered), and has the 280-380nm short-wave visible light transmittance of almost zero (that is, barely violet ray and ultraviolet light can penetrate), the light transmittance is moderate, and the efficient blu-ray inhibition lens is truly suitable for being worn outdoors and indoors and particularly suitable for being worn by the aged. Under the premise of ensuring the visual effect, strong light of a high-brightness display, particularly HEV (Harm Energy Visible) light mainly consisting of blu-rays, is effectively shielded to reduce injury on people, and the incidence of both glaucoma and macular degeneration is reduced.

A cost effective high efficiency automatic plant cloning system which provides for accelerated plant shoot propagation is disclosed. A water and nutrient re-circulating system that is controlled off and on provides plant shoot immersion wetting and drying cycles. Plant shoots are supported in porous fibrous plant shoot medium that is placed in water and nutrient conducting channels where the water and nutrient in the on cycle contact and repeatedly wet the plant shoot and its emerging root structure. The porous fibrous plant shoot medium also provides for the growing plant shoot to expand without any hindering of the plant shoot and emerging root structure. The porous fibrous plant shoot support medium also provides for the circulation of air and absorption of light with ultra violet rays for maintaining the porous fibrous plant shoot medium free from adverse growth mechanisms, while at the same time providing for a dark zone in which the plant shoot root structure takes place In the off cycle, air dries the plant shoot and the emerging root structure. The on-off cycle of wetting and drying is controlled automatically to provide optimum and accelerated growth of the plant shoots to developed root structure for early transplanting to a soil environment with a minimal loss of plant shoot material.

A method for preparing silver / polypyrrole compound nm material includes the following step: (1) dissolve some monomer of pyrrole and silver nitrate in the suitable solvent; (2) mix the silver nitrate solution and pyrrole solution above; (3) place the mixture in darkness and indoor temperature, or under violet ray or super short impulse laser radiation, stop the refrigerator. The method needs no expensive equipment, has fewer requirement to the environment and simpler steps, so that it also has low productive cost.

A color thermal printer includes feeder rollers for feeding thermosensitive recording material through a feeding path. A thermal head operates for thermal recording of an image in a recording region of the recording material being fed. An unused region is defined outside the recording region. A photo fixer fixes the image on the recording material by application of ultraviolet or violet rays thereto. A liquid crystal shutter unit is disposed between the photo fixer and the recording material, and includes plural shutter segments. The plural shutter segments are arranged in a form of plural parallel lines, and changeable independently between an opaque state and a transparent state, and when in the opaque state, block the ultraviolet or violet rays, and when in the transparent state, cause the rays to pass. A controller controls the liquid crystal shutter unit in synchronism with the feeder rollers, sets at least one of the shutter segments in the transparent state if the at least one is opposed to the recording region in feeding of the recording material, and sets at least one of the shutter segments in the opaque state if the at least one is opposed to the unused region in feeding of the recording material.

An unmanned full automatic car washer and the method can decrease the cost and improve the efficient. The process is: 1. starting the conveyer apron; 2. spraying the cleanser and the cerate; 3.setting some time for cleanser and the cerate; 4. washing; 5. spraying the violet ray guar wax and the water stain coagulant; 6. washing by water; 7. drying by the wind. So the process can improve the cleaning quality.

The present invention provides a photocatalyst sterilizer (200) which draws thereinto water, contained in a water tank (120) and polluted by bacilli and various organic substances, regardless of a water level in the water tank (120) and sterilizes the polluted water using violet rays and through a photocatalyst reaction, thus enhancing a sterilizing ability thereof, and which is easily installed and efficiently used in various appliances, which are necessary to execute sterilizing processes, for example, hot and cold water generators, hot and cold water purifiers, tap water purifiers to be directly coupled to faucet pipes, edible water purifiers, and aquariums.

The invention belongs to the technical field of luminous materials, and particularly relates to a broad-band near-infrared-emission luminous material, in particular to a material capable of emitting red rays and near-infrared rays within 650nm to 1,600nm under excitation of ultraviolet, violet, blue and red rays, and further discloses a preparation method of the luminous material and a luminous device comprising the luminous material. The broad-band near-infrared-emission luminous material is prepared from an inorganic compound with the molecular formula of AaDbMcOe:xCr, has a strictly occupied ordered structure, and has a broader excitation wavelength (250-700 nm); the material is a single substance which takes Cr as an optically active center, and can well absorb the ultraviolet rays, the blue rays and the red rays; under the excitation of the ultraviolet rays, the violet rays or the blue rays, the broad-band red rays and the near-infrared rays can be emitted within the range of 650nm to 1,600 nm.

A diffusion sheet structure in the direct type backlight module with anti-UV rays function and its manufacturing method discloses a diffusion sheet in the backlight module applied to TFT-LCD TV, and plural layer of the diffusion sheet made by a method of a multi-layer co-extrusion. The diffusion sheet advocates that while producing diffusion layer, at least a ultra-violet rays absorption layer set on the surface of diffusion layer at the same time to achieve insulating ultra-violet rays directly irradiated on the diffusion sheet and to avoid yellow and pyrolysis phenomenon occurred on the diffusion sheet. These results in avoiding the deviation caused from color temperature and chromaticity coordinate of TFT-LCD TV because of yellow diffusion sheet, then to achieve the purpose of improving product quality and materials lifespan.

The invention provides a LED surface luminous device with high luminescence efficiency, high luminance, good color rendering and light storing performance, and provides a light storing blue light LED used for a surface luminous device. The light storing blue light LED comprises an ultraviolet-violet rays LED chip, and light storing blue phosphor powder. The surface luminous device comprises two classes LEDs with different luminescence characters, and a phosphor powder layer formed of phosphor powder with different characters, the phosphor powder can have light storing performance, when the surface luminous device is operated, white light is generated through mixing the light emitted by the LED after the operation of the surface luminous device is stopped and the light emitted by the phosphor powder or only the light emitted by the phosphor powder, and after the operation of the surface luminous device is stopped, the light is unceasingly emitted with the light storing performance of the phosphor powder.

The invention relates to a rare earth three primary colours luminescent material transferring violet ray of violet ray diode to white ray, which is prepared from three compounds having a formula (1): R2-x-yO2S:EuxNy, formula (2): M3-x-y(PO4)2*(SrCl2*6H2O)x:Euy2+, formula (3): M1-x-yAl16O27*nB2O3:Eux2+.Mny2+ through the steps of weighing, mixing, grinding, high temperature sintering, cooling down, disintegrating, sieving, post-treating, obtaining red, blue and green rare earth luminescent materials, mixing them by the weight proportion of 30-50%, 5-20% and 20-65%, finally irradiating with purple light diode.

To provide a method for irradiating ultra-violet rays a water retention member added with water droplets, generating OH radical in the water droplets and modifying ethylene gas into ethane and water through the OH radical. Water is supplied to the aeration water retention member formed with a water retention surface capable of holding water in its particle shape in such a way that the water is held on it under particle shape to cause the water retention surface to be kept in a state where the water retention surface is wetted with water droplets. Utra-violet rays are irradiated water held on the water retention surface and then the OH radicals are generated in the water droplets with energy of irradiated ultra-violet rays. Gas containing ethylene gas is aerated the water retention surface holding water containing the OH radicals and the ethylene gas contacted under an action of the OH radicals is modified into ethane and water.

The invention belongs to the field of fire alarm technologies, and discloses a forest fire prediction and forecasting system. The forest fire prediction and forecasting system comprises a control tower, an unmanned aerial vehicle, a control room host and monitoring stations, and is characterized by further comprising a signal composite, an operational amplifier, a high-voltage circuit, a violet-ray tube, a time base, monitored objects, a monitoring point 1, a monitoring point 2 and GPRS. The control room host transmits a control signal to the control tower through the GPRS and controls the unmanned aerial vehicle. The unmanned aerial vehicle arrives at the monitoring stations, and transmits various kinds of information to an information center via the GPRS through analyzing the monitored objects at the monitoring point 1 and the monitoring point 2. In key regions, flame sensor are installed for detection fire, once a fire is detected, the fire extinguishing unmanned aerial vehicle performs fire extinguishment autonomously, and can further monitor forest growth technical indexes such as soil humidity. The forest fire prediction and forecasting system can record on-site personnel condition in real time, and provides powerful evidence for illegal and criminal activities such as illegal felling, illegal felling and arson.

The invention discloses an ultraviolet-ray-excited SrMgAl10O17:Eu<2+>,Mn<2+> blue-green fluorescent powder. According to the blue-green fluorescent powder, SrMgAl10O17 is used as a matrix and codoped with Eu<2+> and Mn<2+>; and under the excitation of 280-400nm violet rays, the blue-green fluorescent powder can emit 420-540nm blue-green visible light. The fluorescent powder color coordinates can be regulated within the range of (0.1477,0.1435) blue light and (0.1084,0.7443) green light by regulating the doping contents of the Eu<2+> and Mn<2+>. The blue-green fluorescent powder is prepared mainly by a low-temperature combustion method. The method comprises the following steps: sufficiently grinding and mixing reagents nitrate, Eu2O3, MnCO3, urea and boric acid in an agate mortar; and combusting the uniform mixture in a muffle furnace with the initial furnace temperature of 400-800 DEG C for 1-2 minutes, keeping the temperature for 1-30 minutes, taking out, cooling, and grinding to obtain the SrMgAl10O17:Eu<2+>,Mn<2+> blue-green fluorescent powder. The method has the advantages of simple technique, no pollution, low synthesis temperature, short reaction time, low cost and low energy consumption; and the prepared fluorescent powder has favorable crystallinity and luminescent intensity, and can be well applied to a white-light LED (light-emitting diode) light source.

The invention discloses a halophosphate blue phosphor powder for a white light LED and a preparation method of the halophosphate blue phosphor powder. The chemical formula of the phosphor powder is Na2Ba[6-x]Gd2(PO4)6Cl2:xEu<2+>, wherein the x is equal to 0.001-0.1. The preparation method comprises the following steps: weighing corresponding raw materials of sodium chloride, barium carbonate, gadolinium oxide, ammonium dihydrogen phosphate and europium oxide according to the stoichiometric ratio of the chemical formula, then grinding and uniformly mixing the raw materials to obtain a mixture, filling the mixture into a crucible, sintering in a high temperature furnace under the condition of reducing atmosphere at 1150-1250 DEG C for 3-7 hours, and cooling to the room temperature to obtain the halophosphate blue phosphor powder. The obtained blue phosphor powder emits blue lights under the excitation of ultraviolet and a violet ray chip, and the emitting peak value is positioned around 480 nm. The phosphor powder is good in dispersivity, uniform in granularity, good in chemical stability and high in luminous efficiency, the excitation band of the phosphor powder covers the ultraviolet and the violet ray area, and the blue phosphor powder is suitable for ultraviolet LEDs.

The present invention relates to a plasma display panel, more particularly, to a plasma display panel apparatus and manufacturing method of the same, which is capable of minimizing a gap between a seal layer and a UV Ultra Violet ray / silicon desiccant layer due to an air bubble, when the front panel and the rear panel of the plasma display panel are in the sealing process. A plasma display panel according to the present invention comprises a front substrate; a rear substrate; a seal layer which is formed between the front panel and the rear panel; and a desiccant layer which is in contact with the front panel, the rear panel and the seal layer.

The invention provides an artificial luminous health-care physiotherapy instrument capable of supplementing vitamin D and calcium. The artificial luminous health-care physiotherapy instrument comprises a red light generation unit, an ultraviolet lamp tube, a lamp shade, a display and a control circuit, wherein the ultraviolet lamp tube is made of violet ray glass; the fluorescent ultraviolet power which comprises the following components in percentage by weight: 23-27 percent of zinc sulfide, 18-22 percent of bismuth germanate, 14-18 percent of yttrium oxysulifde, 14-18 percent of magnesium silicate, 8-12 perecent of strontium wolframate, 4-8 percent of strontium aluminate, 3-5 percent of calcium pyrophosphate, 1.5-2.5 percent of butyl acetate and 0.5-1.5 percent of aluminium sesquioxide is absorbed on the inner wall of a lamp tube under electrostatic action. The health-care physiotherapy instrument can effectively supplement lost vitamin D and calcium in a human body so as to prevent and improve various diseases caused by the lack of vitamin D and calcium, and is good in efficacy of supplementing vitamin D and calcium, convenient and safe in use, and simple in structure.

A noble metal piece 10 so formed that a metal having positive potentials 14 and a metal having negative potentials such as titanium or oxide thereof, nitride thereof or carbide thereof 13 are arranged side by side to form an outer surface of the noble metal piece 10 and the noble metal pieces 10 so formed that a metal is subjected to ion plating with titanium or the oxide thereof, the nitride thereof or the carbide thereof, for example, titanium dioxide (TiO2) 13 are arranged in an adequate manner to be beaded with a piece of string 11 to finally form a noble metal chain 12. With such a structure, the present invention provides an accessory featured in making a good show as an accessory, raising static electricity due to a friction upon contacting the skin by a free movement, enabling ion supply to a surface of the body owing to a semiconductor action, and enabling a more effective generation of ion under sun violet ray resulting in producing high healing effect.

The invention discloses a UV lamp for outputting narrow-band ultraviolet light. The UV lamp comprises a shell assembly and a lamp panel assembly, the shell assembly is hollow, and a shell opening is formed in one side of the shell assembly; the lamp panel assembly is arranged in the shell assembly and comprises ultraviolet-transparent glass, a light source substrate and a light source driving plate which are sequentially arranged from the side close to the shell opening; a plurality of LED ultraviolet lamp beads are arranged on the light source substrate, the emission wavelength of the LED ultraviolet lamp beads is 315-400 nm, and the ultraviolet-transparent glass is ultraviolet-transparent filter black glass. The UV lamp is specially used for outputting the ultraviolet light for generating the fluorescent effect in the dark occasion, the luminous efficiency is high, the whole UV lamp is stable and firm in structure and long in service life, and the output ultraviolet light is good inquality.

A color thermal printer a conveyor for conveying a color thermosensitive recording sheet along a conveying path. A thermal head thermally records a full-color image to the recording sheet being conveyed. A fixer lamp applies ultra-violet rays of a predetermined range of wavelength to the recording sheet being conveyed, for optically fixing the recording sheet. In the thermal printer, a printer casing has a small height, and includes a front panel oriented vertically. An insertion opening in the front panel is adapted to insertion of the recording sheet before the recording, and ejection of the recording sheet after the recording. An air inlet and an air outlet are formed in the front panel. The insertion opening is disposed between the air inlet and the air outlet. An air passageway is disposed in the printer casing, and communicates from the air inlet to the air outlet via at least a portion of the conveying path. A fan unit is disposed in the air passageway, and causes air from the air inlet to flow along the air passageway, to cause heat generated in the printer casing to exit from the air outlet.

The invention discloses a method for preparing a quantum dot light-wave conversion layer on the surface of a silica-based solar cell, and the method is characterized by doping CdS or CdTe quantum dot materials into silicon dioxide solrubber to obtain compound materials of quantum dot light-wave conversion layer and then coating the compound materials on the surface of the silica-based solar cell to form the quantum dot light-wave conversion layer. The method includes the preparation of silicon dioxide solrubber and quantum dot nanomaterials, synthesis of compound materials and the coating of the surface of solar cell. The method has high light transmission rate, can convert violet rays and ultraviolet light below 400 nm in sunlight into visible light within 400-700 nm, greatly improves thephotoelectric conversion efficiency of the silica-based solar cell, and has the advantages of high photoelectric conversion rate of the quantum dot light-wave conversion layer, simple method and lowcost compared with the prior art.

The invention discloses an introducing device for beauty and skin care. The introducing device comprises a housing, a motor, a control board and a battery, wherein the motor, the control board and the battery are arranged in the housing; a speed changer is arranged at the power output end of the motor; a transmission rod is arranged at the power output end of the speed changer; the transmission rod can be used for driving a nanometer wafer head to move; and the motor, the control board and the battery are electrically connected. According to the introducing device disclosed by the invention, through a refrigerating and heating mechanism, refrigerating or heating can be performed according to the environmental temperature, so that the temperature of skin or the temperature of a position near the skin can achieve the requirement, the activity of beautifying liquid is better, and the introducing effect is better; the intensity and the direction of the air current blown by a fan can be regulated by a regulation assembly according to requirements, so that heating or refrigerating can be performed on the skin in a targeted manner; and the skin can be illuminated by a violet ray lamp, so that sterilizing is performed on the skin, and the situation that the skin is subjected to infection is avoided.

The invention discloses an environment-friendly airflow suction type mosquito killer lamp power circuit which specifically comprises a step-down circuit, a rectifying circuit, a voltage stabilizing circuit, an electric fan and a purple light lamp. According to the environment-friendly airflow suction type mosquito killer lamp power circuit, voltage reduction, rectification and voltage stabilization are conducted on an input 220v power supply, therefore, the fan and the purple light lamp are driven to work finally. By means of light rays emitted by the purple light lamp, mosquitoes are attracted into airflow produced by the fan, and are sucked into a mosquito storage box finally to be dried and die, and the mosquito killing function is achieved. Input electric current of the circuit can be regulated according to loads, the electric current can be turned up when the loads are large, and the electric current can be turned down when the loads are small. The purple light lamp for the circuit is a purple LED lamp, and wave lengths range from 395mm to 400mm. The environment-friendly airflow suction type mosquito killer lamp power circuit has the advantages of being simple, low in cost, flexible in design, and safe and reliable to use. The environment-friendly airflow suction type mosquito killer lamp power circuit is relatively suitable for application occasions like bedrooms and offices having high requirements for environment conditions.

A light tube for a cold cathode fluorescent lamp includes a light tube body, anode and cathode disposed in the light tube body and an activated gas absorber. The light tube body contains inert gas, mercury substance and a layer of phosphor coating on its inner surface. The cathode is adapted for electrically connecting to the negative terminal for emitting electrons to excite the mercury substance for conducting the electrons to the anode as an electric circuit, wherein the excited mercury substance emits ultra violet rays causing the phosphor coating to generate visible light. The activated gas absorber is gas absorber made of zirconium-aluminum alloy which can be activated at an activation temperature substantially lower than 900 degrees Celsius, preferably 390 degrees Celsius, to provide stronger oxygenic gas absorption ability while reducing the manufacturing steps and cost.

A light diffusion plate for an LCD(Liquid Crystal Display) back light unit is provided to improve heat resistance and light diffusion property in correspondence to large screen size of an LCD panel as reducing a fabrication cost. A base film layer(200) includes a siloxane light diffuser 0.1-1.0 wt% with average diameter of 1-20 mum and an acrylic light diffuser 0.1-10wt% with average diameter of 1-20 mum, among a basic resin 100 wt% mixed with a methacrylic acid-styrene copolymer and a methacrylic acid methyl-styrene copolymer. A coating layer(210) is stacked on one plane or both planes of the base film layer, and includes an arylic light diffuser 0.1-30 wt% with average diameter of 1-50 mum, a violet ray absorber 0.01-2 wt%, and an anti-static agent 0.001-10 wt%, for a methacrylic acid methyl-styrene copolymer 100 wt%.

The invention relates to a method of an efficient blu-ray inhibition lens. The method comprises two steps: preparing lens substrate and dyeing. The prepared lens has the visible light transmittance kept above 65 percent, has the 380-500nm short-wave visible light transmittance smaller than 10 percent (that is, most blu-ray is filtered), and has the 280-380nm short-wave visible light transmittance of almost zero (that is, barely violet ray and ultraviolet light can penetrate), the light transmittance is moderate, and the efficient blu-ray inhibition lens is truly suitable for being worn outdoors and indoors and particularly suitable for being worn by the aged. Under the premise of ensuring the visual effect, strong light of a high-brightness display, particularly HEV (Harm Energy Visible) light mainly consisting of blu-rays, is effectively shielded to reduce injury on people, and the incidence of both glaucoma and macular degeneration is reduced.

The present invention provides a photocatalyst sterilizer (200) which draws thereinto water, contained in a water tank (120) and polluted by bacilli and various organic substances, regardless of a water level in the water tank and sterilizes the polluted water using violet rays and through a photocatalyst reaction, thus enhancing a sterilizing ability thereof, and which is easily installed and efficiently used in various appliances, which are necessary to execute sterilizing processes, for example, hot and cold water generators, hot and cold water purifiers, tap water purifiers to be directly coupled to faucet pipes, edible water purifiers, and aquariums.