71results about How to "Control color" patented technology

The invention provides an intelligent dimming module and an intelligent dimming LED lamp and a control method thereof, and relates to the field of LED electronic circuits. The intelligent dimming module comprises a power supply conversion module, a Zigbee control module, a PWM control module and an intelligent dimming module. The power supply conversion module is connected with a power supply, and is connected with the Zigbee control module and the PWM control module; the intelligent dimming module is connected with the Zigbee control module, the Zigbee control module is connected with the PWM control module, the PWM control module is connected with an LED lamp, the intelligent dimming module receives an input signal of a user and outputs a corresponding control signal, and the control signal is transmitted to the PWM control module through the Zigbee control module and is used for controlling working of the LED lamp. The brightness of the LED lamp is adjusted optionally in all-color range; and the intelligent dimming LED lamp is matched with an intelligent household system and can be applied to various scenes.

The invention provides a display device and a screen backlight control method. The display device comprises a display screen, a judging unit, and a control unit. The display screen is used for displaying an image composed of frame data. The judging unit is used for judging whether data of a next frame to be displayed is provided with update or not according to the data of a currently displayed frame. When the judgment result from the judging unit confirms the update, the control unit is used for regulating backlight brightness of a display content update area on the display screen and/or backlight brightness of other areas on the display screen. By the display device and the screen backlight control method, the backlight brightness of a corresponding display content update area can be dynamically regulated according to changes of display content, so that backlight brightness control is achieved for local areas, displaying of update content is highlighted and energy conservation is achieved.

This invention provides a projector capable of correctly informing a user of replacement time of a lamp and significantly improving performance and operation reliability. A storage circuit is mounted in a detachable lamp unit for accommodating a lamp, and information on the lamp and so on are stored in the storage circuit. If the switch of a projector proper is turned on, a main circuit reads lamp operating time up to the last time from the storage circuit, and compares the read operating time to replacement time of the lamp stored in advance so that the light is emitted from the lamp if the operating time is less, and display for prompting the lamp replacement is performed if the operating time is more, and the light is emitted from the lamp thereafter. If the switch of the projector proper is turned off, the main circuit adds the operating time of this time to the operating time of the lamp up to the last time read from the storage circuit on turning on the switch and writes it to the storage circuit.

Systems and methods of manipulating a color displayed by an article of wear comprising iron oxide colloidal nanocrystals arranged within chains are described. Steps may include forming the article of wear from a raw material that include the chains of nanocrystals, applying a magnetic field to the raw material, applying energy to at least some of the chains of nanocrystals to soften materials within the raw material immediately surrounding the chains of nanocrystals to which the energy is applied, adjusting a strength of the magnetic field to control the color displayed by the raw material, removing the energy to allow the materials within the raw material immediately surrounding the chains of nanocrystals to harden and fix a location of the nanocrystals within the chains, and removing the magnetic field.

The invention relates to a preparation method of polyol glucoside, which mainly comprises the following steps: adding glycerol and glucose monohydrate into a reactor in a heating state; then, cooling, adding an acid catalyst, and then decompressing to enable a reaction system to be maintained at high temperature for a certain time; and after water flows out of the reaction system, adding an acid neutralizing agent until the reaction system is weakly alkaline to obtain a product.

The invention provides an intelligent aromatherapy device and an intelligent control system. The intelligent aromatherapy device comprises a power source component, an atomizing component and an air blowing component, and further comprises an intelligent control component, a water exhaustion prompting component and a light source component, the intelligent control component is used for being connected with and controlling the power source component, the atomizing component and the air blowing component, the water exhaustion prompting component realizes a water level monitoring function, and the light source component realizes a lighting function. The intelligent control system comprises the intelligent aromatherapy device, an intelligent terminal and a gateway, and further comprises a cloud side which receives running data, fed back to the intelligent aromatherapy device, by the gateway and stores and analyzes the running data. The intelligent control component can control the atomizing component, the air blowing component and the light source component and can adjust color and light intensity of the light source component to realize energy-saving effect. In addition, data which are analyzed and calculated out by the cloud side are acquired through the intelligent terminal, a user can be helped to improve bad living habits so as to improve living quality.

The present invention relates to ink compositions including ink additives for controlling the color of the ink composition to provide media independence, improve black dye neutrality, and improve individual dye selection for a dye set, methods for producing the ink compositions, and methods using the ink compositions having the ink additives are disclosed.

The invention provides a polyester Chenille spinning method and product. The method comprises the steps of: dyeing wool yarns and core yarns respectively, and then rewinding and spinning to obtain Chenille; next, carrying out fixation clearing on the Chenille twice, and weaving; and then treating obtained textile by open width drying. The polyester Chenille product is characterized in that: two 16S large yarns are used as the core yarns, and two 150D/288F interlaced yarns are used as the wool yarns, wherein the value of leaf gauge is 3 mm, and the degree of twist of the core yarns is 700; and 2.7N Chenille is spun. The polyester Chenille spinning method disclosed by the invention can solve the problems in binding print and poor color fastness in the dyeing progress of the polyester Chenille, can avoid chromatic aberration, better control color, and realize the purpose of avoiding core exposure after spinning. The polyester Chenille product can replace viscose Chenille, thereby not only improving appearance effect but also reducing raw material cost.

The invention belongs to the technical field of luminescent materials, and particularly relates to borosilicate rare earth luminescent microcrystalline glass, and a preparation method and applicationthereof. The chemical composition of the borosilicate rare earth luminescent microcrystalline glass is aMO.bLn<2>O<3>.cB<2>O<3>.dSiO<2>.eAl<2>O<3>: xBi, yGe, zRE. According to the invention, rare earth ions including RE, Bi, Ge, Al and the like are doped into the microcrystalline glass, and a crystal field around the rare earth ions is further adjusted by utilizing different ion radiuses, coordination potentials, bond types, bond lengths, coordination numbers and the like of the rare earth ions, so the control of color and luminous intensity is facilitated; and through sensitization of Bi ionsto other rare earth ions (such as Tb<3+>, Eu<3+>, Tm<3+>, Dy<3+> and the like), the microcrystalline glass has higher luminous intensity and can be applied to LED luminescent devices.

The invention discloses a colorful anticorrosion decorative film with controllable surface colors of a matrix and a preparation method thereof. The colorful anticorrosion decorative film is composed of a metal transition layer disposed in a matrix layer and a tetrahedron amorphous carbon film disposed on the surface of the metal transition layer, wherein the thickness of the tetrahedron amorphous carbon film is 10 nm-300 nm; and the colors of the colorful anticorrosion decorative film can be regulated by controlling the thickness of the tetrahedron amorphous carbon film to make the colorful anticorrosion decorative film present colors of prunosus, skyblue, golden yellow, grayish brown, silver grey, light green, etc. Compared with a conventional decorative film, the colorful anticorrosion decorative film has the characteristics of controllable colors, abundant colors, environmental protection, high hardness and excellent corrosion resistant performance, is not only a supplement and improvement for the field of the conventional decorative film, but also breaks through the common application field of the conventional tetrahedron amorphous carbon film, broadens the practical application field thereof, and has good application prospects.

The invention discloses a high-valued utilizing method of haematococcus pluvialis algal residue in an economic crab fattening fodder, which includes steps of (1), testing content of astaxanthin in thehaematococcus pluvialis algal residue; (2), confirming the additive amount of the haematococcus pluvialis algal residue in different economic crab fattening fodder formulas; (3), processing the economic crab fattening fodder by using a proper fodder processing technique; and (4), scientifically feeding the economic crabs by the fattening fodder to fatten. The method can calculate the additive amount of the haematococcus pluvialis algal residue in the fodder formula according to the demand of astaxanthin in the crab fattening period and astaxanthin content in the haematococcus pluvialis algalresidue; the method carries out scientific fattening according to the development of crab ovary. The fattening fodder prepared and used by the method can reduce the fodder formula cost of over 1500 Yuan/Ton, and improve the crab fattening effect; the red paste rate after fattening is up to 85% above.

The invention provides an underwater oleophobic structural color film, and a preparation method and application thereof. The preparation method comprises the following steps: 1, preparing a modified PS colloid microsphere emulsion by soap-free liquid polymerization; 2, wrapping the modified PS colloid microsphere with a TiO2 shell layer structure by a mixed solvent process to obtain a PS@TiO2 microsphere dispersion; and 3, spraying for forming a film: centrifugally washing the PS@TiO2 microsphere dispersion obtained in step 2, then adding the obtained material to anhydrous ethanol, then addingcarbon black, carrying out ultrasonic dispersion to obtain a spray solution, spraying the spray solution on a pretreated glass sheet by a spray gun to obtain a PS@TiO2 structural color film, completely dissolving WBPU (waterborne polyurethane) in water, and spraying the obtained WBPU solution on the surface of the PS@TiO2 structural color film to obtain the structural color film with an underwater oleophobic performance. The color of the structural color film does not change with the change of the viewing angle, and the good underwater oleophobic performance is obtained under the combined action of the waterborne polyurethane.

The invention provides an automotive color-changing skylight. The automotive color-changing skylight comprises a transparent lens, a color-changing thin film, winding shafts, two motors and a controller, wherein the color-changing thin film is arranged below the transparent lens and is strip-shaped; the color of the color-changing thin film is from light to deep; two ends of the color-changing thin film are respectively wound on two winding shafts which are symmetrically arranged; the two motors are respectively pivoted with the two winding shafts and are connected with the controller through lines; the controller is used for controlling rotation of the two motors. The automotive color-changing skylight has the advantages that the motor can be controlled by the controller to rotate so as to drive the winding shafts to rotate, so that the color of the color-changing thin film below the transparent lens is changed; the external light of an automobile penetrates through the transparent lens and the color-changing thin film to be emitted into the automobile, so that the color and transparency of the automotive color-changing skylight can be controlled by the controller, the interior color and light of the automobile can be controlled, and a passenger feels more comfortable.

The invention belongs to the technical field of flocculating agents, and discloses an interference rainbow film solution formula, a color-controllable interference film and a preparation method of theinterference film. The solution formula comprises resin components by the gram and solvent components in milliliters; the resin components comprise, by weight, at least one of 80-100 parts of polylactic acid, 30-40 parts of polyadipate butylene terephthalate, 20-40 parts of polymethyl methacrylate, 10-30 parts of a acrylonitrile-butadiene-styrol copolymer, 10-20 parts of polystyrene, 10-20 partsof a styrene-butadiene-styrol segmented copolymer and 20-30 parts of a styrene-isoprene-styrol segmented copolymer; the solvent components comprise, by volume, at least one of 2000-80000 parts of dichloromethane, 5000-10000 parts of trichloromethane, 300-5000 parts of acetone and 4000-8000 parts of ethyl alcohol; and the color-controllable interference film is obtained.

The invention discloses a structural color material and a preparation method thereof. The structural color material comprises a substrate, a metal layer located on the substrate and a protective layerlocated on the metal layerwherein a nano cavity array is arranged in the metal layer. The preparation method comprises the following steps: 1) preparing a thin film material comprising a substrate, ametal layer and a protective layer; and 2) performing laser direct writing on the thin film material to obtain the structural color material. According to the preparation method, programmed-controlled large-area structural color printing is realized through a special laser direct writing processing mode; the preparation difficulty of the nano optical crystal is greatly reduced, the cavity can beaccurately regulated and controlled by changing the power of the irradiation laser, so that the regulation and control of the color of the structural color material are realized, and the method is notlimited to the arrangement of a certain repetitive structural unit in different forms, and can be used for regulating the structural unit.

The invention relates to a production process for a positioning stamping film comprising a PET base film; the PET base film is successively provided with a release layer, a coloring layer, a vacuum aluminum plating layer and a back glue layer from inside to outside. The production process comprises the following steps successively: mixing of a release layer coating, coating of a release layer, mixing of a coloring layer coating, coating of a coloring layer, mold pressing, vacuum aluminizing, aluminum washing, zinc sulfide coating, mixing of a back glue layer coating, back glue layer coating, slitting, and quality inspection. The production process has the advantages that the positioning stamping film produced by the steps has the advantages of high technical content and strong secrecy, isnon-duplicated, and can give consumers direct visual observation discrimination of authenticity before purchasing in goods anti-counterfeiting aspect, the packaging is prevented from being reused by counterfeiters, and the anti-counterfeiting performance and commercial benefits are improved; the produced positioning stamping film eliminates the gradual accumulation of stamping accuracy error in astamping process, and an independent pattern stamping foil needs a positioning cursor to correct the error of holographic patterns at intervals in time.

The invention discloses a construction method for polishing an outer mold of a precast box beam. The construction method is used for polishing an inner mold and the outer mold of a precast concrete structural component, brushing a demolding agent on the polished inner mold and the polished outer mold of the precast concrete structural component, and casting a concrete structural article of which the construction period is short in place. The construction method sequentially comprises the following steps: cleaning a base; regulating the size of a wedge block at the bottom of the beam; sticking sealing strips on the outer mold; assembling the outer mold; polishing a formwork, and removing dust; spraying the demolding agent; and after acceptance inspection is qualified, sending semi-finished products into following operation procedures. Handheld polishing equipment is utilized to cleanly polish a staggered platform on the surface of the formwork and residual concrete, an air compressor is used for continuous pressurization so as to spray the demolding agent in a handheld oil tank through a high pressure, the brushing thickness of the demolding agent sprayed in the manner is easier to control than the brushing thickness of the demolding agent sprayed manually, an oil path runoff is not formed in the surface of the formwork, and the color of the outer surface of the box beam can be effectively controlled; the air compressor is adopted to be combined with a spray gun so as to perform pressurized spraying, a uniform isolating layer is formed on the surface of the formwork, and the situation that runoff is formed because too much oil is brushed by using a traditional roller brush is avoided; the concrete surface is smooth after the mold is disassembled, and the appearance color is uniform.

There is provided a display device including a light-emitting element corresponding to a pixel for a color, and a white color filter corresponding to a white pixel. Transmittance of the white color filter is based on neutral density (ND) transmittance that is uniform throughout an entire wavelength band of visible light, and transmittance in a particular wavelength band in the entire wavelength band of the visible light is decreased to be lower than the ND transmittance.

The invention discloses a perovskite nano film prepared based on a 'hot air method', a preparation method thereof and application in a solar battery. The preparation method of the perovskite nano filmcomprises the steps that a a perovskite precursor solution is prepared; b a substrate is preheated, and the heated precursor solution is dropped onto the conductive substrate; and c when spin coatingis carried out, a hot air cylinder is placed above a spin coater to rapidly evaporate the solution to acquire a perovskite crystal. According to the method provided by the invention, the crystallinity of the perovskite nanocrystal can be adjusted; the surface of the perovskite nano film is improved; and the method has a good application prospect in the development research of perovskite photovoltaic devices.