89results about How to "Improve color expression" patented technology

The invention discloses a backlight module and a display device. The backlight module comprises a glass cavity and blue light-emitting diodes. The glass cavity is internally provided with red light quantum dot material and green light quantum dot material in a packaging mode. The two ends of the glass cavity are each provided with one blue light-emitting diode. The red light quantum dot material and green light quantum dot material in the glass cavity correspondingly emit red light and green light after being excited by light emitted by the blue light-emitting diodes. In this way, the quantum dot material is arranged in the glass cavity in the packaging mode, the two ends of the glass cavity are each provided with one blue light-emitting diode, and the quantum dot material correspondingly emits red light and green light after being excited by the light emitted by the blue light-emitting diodes, so that the red light and the green light are mixed with blue light reflected by the surface of the glass cavity to form white background light, the function of a backlight source is achieved; besides, the two ends of the glass cavity are provided with the blue light-emitting diodes serving as excitation light sources, and narrow frame design of the display device is facilitated.

The invention discloses functional ink. The functional ink is prepared from, by weight, 5-40% of a wetting agent for printing inks, 0.1-5% of a viscosity modifier, 0.1-10% of a surface active agent, 0.1-5% of a pH regulator, 0.1-5% of a complexing agent, 0.1-2% of bactericide, 0.1-30% of functional auxiliaries and the balance water. The functional auxiliaries are one or more of a rapid color developing agent, a fastness promoting agent, a penetrant, a softening agent, an antistatic agent, an anti-stiff finishing agent, an antibacterial finishing agent and a waterproof finishing agent. In addition, the invention discloses a printing method of the functional ink. The method comprises the steps that 1, before ink jet ink is used for jetting ink, the functional ink is used for performing pre-printing on a printing medium; 2, after the jet ink is used for performing ink printing on a printing medium, the functional ink is used for performing post-printing on the printing medium; 3, the functional ink and the jet ink are used for simultaneously performing at least one printing on the printing medium.

The invention discloses an ink-jet oil painting canvas. The oil painting canvas comprises a base material, a bottom coating layer and a surface coating layer from bottom to top in sequence, wherein the bottom coating layer comprises the following components in parts by weight: 35-45 parts of filler, 1-3 parts of polyvinyl alcohol, 30-40 parts of a bonding agent, 0.5-2 parts of an additive and 10-30 parts of water; the surface coating layer comprises the following components in parts by weight: 10-15 parts of silicon dioxide, 1-3 parts of polyvinyl alcohol, 30-40 parts of a special bonding agent, 0.5-2 parts of an additive, 1-5 parts of an anti-bleeding agent, and 30-50 parts of water. The ink-jet oil painting canvas disclosed by the invention has the advantages that the matching and the bonding strength of the ink-jet oil painting canvas with latex used in Latex ink are good, and when the Latex ink is used for ink-jet printing, the ink can be cured on the surface coating layer at low temperature, and high color fastness can be obtained; simultaneously, the extra anti-bleeding agent is added into the surface coating layer, so that the bleeding of ink can be prevented, the edges of a painting are clear and the color expressiveness is excellent.

The invention relates to a digital-printing active ink suitable for a wide-width micro-piezoelectric printer. The digital-printing active ink is characterized in that an ink formula system contains the following ingredients by weight percent: 5-15wt%of active dye, 5-40% of humectant, 1-10wt% of viscosity regulator, 0.1-1wt% of bactericide, 0-1wt% of pH buffering agent, 0-5% of surfactant, 0-2% of dispersing agent, 0-10% of cosolvent and the balance of deionized water. The digital-printing active ink disclosed by the invention has the characteristics that the performance parameter can favorably adapt to the wide-width micro-piezoelectric printer, and has good printing stability on the type of printer; the digital-printing active ink has good reaction activity and excellent fixation performance on fabric such as cotton, hemp, hair and silk, and has good washing fastness, good perspiration fastness, good friction fastness and good light fastness on the fabric; the digital-printing active ink is wide in color range and excellent in color expressive force; and through a strict high / low temperature ageing experiment, the digital-printing active ink is good in storage stability.

A method and system are provided for illuminating and imaging an object, wherein the illumination of the object is controlled by means of feedback based on the light intensity obtained from the object using one method of illumination, such as to provide a modified illumination that will result in a more uniform reflectance from the object.

The invention provides a device used for whole row scanning type laser display and a synchronization control method thereof. The device used for display comprises a light source assembly, a one-dimensional imaging device, a scanning device, a projection lens, a video decoding device, a light source drive control device and a photoelectric sensor. The light source assembly comprises plural laser generator module groups. The one-dimensional imaging device comprises plural light guide devices. The scanning device is arranged in the light path of laser emergent from a light emergent end and used for reflecting emergent light of the light emergent end of the guide light devices to the projection lens. The photoelectric sensor is used for detecting a single-frame scanned initial laser signal. The light source drive control device is used for outputting drive control signals to the light source assembly in a spacing way according to one-dimensional video signals decoded by the video decoding device. When the scanning device rotates around the rotating shaft of the scanning device, the projected one-dimensional emergent light of a first direction can be scanned along a second direction vertical to the first direction.

Provided is an optical laminate which has high absorption selectivity to short-wavelength visible light having wavelengths around 400 nm and hence high light fastness and can impart better display characteristics when used for a display device. The optical laminate comprises at least one polarizing plate and at least one pressure-sensitive adhesive layer and satisfying the following formulae (1) and (2):A(400)≧0.5  (1)A(420) / A(400)≦0.3  (2)where A(400) represents the absorbance of the optical laminate at a wavelength of 400 nm in the transmission direction of the polarizing plate and A(420) represents the absorbance of the optical laminate at a wavelength of 420 nm in the transmission direction of the polarizing plate.

The invention relates to a solvent type dye resin ink-jet printing ink composition, particularly disclosing an environment-friendly solvent type dye resin ink-jet printing ink composition applied in a common printing medium and a preparation method thereof. The environment-friendly solvent type dye resin ink-jet printing ink composition applied in a common printing medium is characterized by comprising a colorant metal complex dye toner, a macromolecule polymerization binder, an environment-friendly organic solvent, an osmosis-prevention macromolecule polymer and a surfactant. The environment-friendly solvent type dye resin ink-jet printing ink composition applied in a common printing medium has the characteristics of environmental protection, safety, mild taste, water resistance, scraping resistance, high ink drying speed, and good adhesion of ink and the medium, and the ink has good color on the printing medium.

The invention provides a liquid crystal display, a liquid crystal display module and a liquid crystal unit thereof. The liquid crystal unit comprises an upper substrate, a lower substrate and a mixture of a quantum dot material and a liquid crystal material, wherein the mixture is arranged between the upper substrate and the lower substrate and comprises a red quantum dot material and a green quantum dot material; the mass ratio of the total doping amount of the two quantum dot materials to the total mass of the mixture is 0.05-5 wt%. According to the liquid crystal display, the liquid crystal display module and the liquid crystal unit thereof, through the introduction of the QD (Quantum Dot) materials, on one hand, the directional arrangement of liquid crystal molecules is promoted, so that an alignment effect is realized, and a traditional alignment film structure can be replaced; on the other hand, the liquid crystal unit is matched with a back light source of a blue or white LED, so that the promotion of a color gamut is realized, and the color expressive force of an LCD can be improved; in combination with a quantum dot and a liquid crystal system, effective utilization of the QD materials can be favorably realized, and compared with a conventional QD film and a QD tube technology, more materials are saved and more process cost is lowered.

The invention discloses a quantum dot fluorescent screen. The quantum dot fluorescent screen comprises a frame, and a liquid crystal module and a backlight module which are fixedly mounted in the frame, wherein the backlight module is mounted on the back surface of the liquid crystal module and comprises a quantum dot fluorescent module, a diffusion film arranged above the quantum dot fluorescent module and a full-reflection film which is arranged under the quantum dot fluorescent module. According to the quantum dot fluorescent screen disclosed by the invention, a quantum dot fluorescent film is added into the liquid crystal module and red and green quantum dots in the quantum dot fluorescent film are stimulated through a blue-light LED chip, and blue light is converted into white light for constructing a white backlight source, so that a display panel has a relatively wide color gamut, relatively high color purity and relatively good color expression, and furthermore, the display property of the liquid crystal panel is improved. The quantum dot fluorescent film can be directly added into the liquid crystal module, so that the assembling is simple and convenient and an extra process flow is not increased; and furthermore, the quantum dot fluorescent screen can be also matched with side light type and straight down type backlight sources.

The invention relates to the technical field of electronics, and particularly relates to a mobile phone with optical physiotherapy and health care functions. A mobile phone body comprises a signal processing circuit, a control circuit, a display screen and a loudspeaker. The mobile phone further comprises a storage chip which stores multiple images and videos for optical physiotherapy and health care. The storage chip is connected with a phototherapy information management and recording module for processing these images and videos. The CPU of the mobile phone body is connected with the general I / O interface of the phototherapy information management and recording module through a detection and control unit. The images and videos for the optical physiotherapy and the health care of various different illnesses in the storage chip can be displayed and played through the display screen of the mobile phone so that physiotherapy and health care effects for the corresponding illnesses are achieved. The mobile phone with the optical physiotherapy and health care functions greatly expands the functions and practicality of a mobile phone, is simple in structure, is scientific and reasonable, and is low in investment cost, easy to manufacture and small in size, thereby being worthy of popularization and application.

The invention discloses a textile pre-treatment solution as well as a preparation technology and application thereof. According to the textile pre-treatment solution provided by the invention, cationic mixed liquid is prepared by mixing a cationic modifier, resin and the like; the permeation of coating ink on a fabric can be reduced and a better color expressive force is realized; the color yieldand the brightness can be effectively improved and the wet rubbing fastness is improved; meanwhile, the textile pre-treatment solution has the advantages that the textile pre-treatment solution does not become yellow at high temperature and the hand feeling is not influenced.

The invention belongs to the technical field of luminescent macromolecular composite material, and particularly relates to a method for preparing a sulfhydryl functional rare earth-macromolecular composite luminescent material. In the method, firstly, by adopting an organic synthesis method, aromatic organic micro molecules are grafted in an inorganic silica skeleton to obtain organic bridge precursor; the organic bridge precursor, polymers and rare earth ions are further combined to obtain the rare earth macromolecular material by chemical action; at last, by the sol-gel method, all obtained materials are subjected to polyreaction to obtain dried gel, so that the organic macromolecular polymers with long carbon chains are embedded in silica network substrate by covalent bond; and the dried gel is subjected to dry ageing to obtain the macromolecular composite material with stable chemical and thermodynamic performances, smooth surface appearance and special luminescence emission. The method has the advantages of simple preparation process, mild experimental conditions, strong operability, good reproductivity, low cost, stable quality of obtained products and order appearance, and the sizes of crystal grains can be controlled in the range of micron and nanometer.

The invention relates to a quantum dot fluorescent screen. The quantum dot fluorescent screen comprises a frame, a liquid crystal module and a backlight module, wherein the liquid crystal module and the backlight module are fixedly mounted in the frame; the backlight module is mounted on the back surface of the liquid crystal module and comprises a micro-nano-structured diffusion film, an upper brightness enhancement film, a lower brightness enhancement film, a quantum dot composite diffusion film, a light guiding plate and a total reflection film which are successively arranged from top to bottom; the light guiding plate is in the shape of a frustum; a blue-violet LED bulb strip is arranged on a large side surface of the light guiding plate; and a reflecting plate is arranged on the outer side of the blue-violet LED bulb strip. The quantum dot fluorescent screen has the advantages that while having a quantum dot screen color gamut, the final quantum dot fluorescent screen further has diffusion and brightness enhancement optical functions, namely, a whole display panel has wide color gamut, the color expressive force is good, and the display property of a liquid crystal display panel is improved.

Described herein are chromophore compounds formed by interaction of ascorbic acid (AA) and a pyranoanthocyanin (PACN) compound. Also described herein are natural food colorant compositions that include chromophore compounds. The pyranoanthocyanins can be formed by the heterocyclic addition of the C4 and 5-OH of an anthocyanin, using a polar metabolite. Also described herein are pyranoanthocyanins, and methods of making and using the same.

The invention belongs to the technical field of inkjet printing, and discloses a water-based inkjet ink for inkjet printing. The water-based inkjet ink for inkjet printing is composed of the following raw materials in percentage by mass: 15-30% of slurry, 0.3-1.5% of wetting agent, 4-20% of water-based polyurethane resin, 0.1-3% of pH regulator, 5-20% of viscosity modifier, 0.1-0.5% of preservative and the balance of deionized water. The slurry is composed of the following components in percentage by mass: 5-15% of pigment, 2-5% of emulsion stabilizer, 6-17% of dispersing agent, 0.1-0.7% of defoaming agent, 2-10% of water-based acrylic resin and the balance of deionized water. The invention also discloses a preparation method of the water-based inkjet ink. The water-based inkjet ink has the advantages of high smoothness, high stability, favorable weather resistance and favorable color expressiveness, and can satisfy the requirements for industrial high-speed inkjet printing.

A high color expression display device and a method for adjusting the displayed color are provided. The display device includes a backlight source, a transmittance adjusting layer, and a display panel for receiving light from the backlight source. The display panel has a color filter disposed above the backlight source. A CIE standard illuminant C test result of the color filter falls into a predetermined scope. In a transmittance spectrum of the transmittance adjusting layer, an average transmittance at wavelength shorter than 495 nm is smaller than that at wavelength greater than 570 nm.

The invention provides a method for preparing color blocking layers of liquid crystal display panels. The method includes steps of respectively preparing red quantum dots, yellow quantum dots and green quantum dots; mixing the red quantum dots, the yellow quantum dots and the green quantum dots with one another, dissolving the red quantum dots, the yellow quantum dots and the green quantum dots and centrifugally purifying and treating the red quantum dots, the yellow quantum dots and the green quantum dots to obtain solution of white quantum dots obtained after the red quantum dots, the yellow quantum dots and the green quantum dots are mixed with one another; respectively treating solution of the red quantum dots, solution of the yellow quantum dots, solution of the green quantum dots and the solution of the white quantum dots to obtain red photosensitive dispersion liquid, yellow photosensitive dispersion liquid, green photosensitive dispersion liquid and white photosensitive dispersion liquid; coating the red photosensitive dispersion liquid, the yellow photosensitive dispersion liquid and the green photosensitive dispersion liquid on glass substrates according to preset rules and forming the color blocking layers of the liquid crystal display panels by the aid of exposure and development manufacturing processes. The method has the advantages that the brightness and color expressive force of liquid crystal displays can be effectively improved by the aid of the method, and the color gamut of the liquid crystal displays can be effectively expanded by the aid of the method.

The invention provides a waterborne radiation curing coating decorating plate and a preparation method thereof. The waterborne radiation curing coating decorating plate comprises a bamboo grass wood baseplate and a closed layer and / or a white closed layer and a finish layer which are sequentially coated on the surface of the bamboo grass wood baseplate, each of the closed layer and / or the white closed layer and the finish layer comprises a waterborne radiation curing coating, and the waterborne radiation curing coating is composed of, by weight, 1-40 wt% of acrylate monomer, 30-50 wt% of one ore multiple of water-soluble acrylate prepolymer, organosilicon modified waterborne acrylate polymer and oil-in-water acrylate prepolymer emulsion, 3-10 wt% of photoinitiator and 2-41 wt% of one or multiple of water or alcohol solvent. The waterborne radiation curing coating decorating plate is environment-friendly, has better mechanical performance, good antibacterial performance, fouling resistance and heat resistance and is high in color and pattern expressiveness.

The invention discloses an integrated light conversion glass diffusion plate and a preparation method thereof. The integrated light conversion glass diffusion plate comprises a glass substrate, a diffusion layer, a quantum dot light conversion layer, a bonding layer and an optical film, wherein the diffusion layer is arranged on the light emitting surface of the glass substrate, the quantum dot light conversion layer is attached to the diffusion layer, and the optical film is bonded to the quantum dot light conversion layer through the bonding layer; the diffusion layer is formed by coating the light diffusion material on the glass substrate and performing curing; the light diffusion material comprises the following components in percentage by weight: 45-55% of resin, 30-40% of diffusion particles, 10-15% of diluent and 1-5% of silane coupling agent, and the quantum dot light conversion layer is formed by making quantum dots dispersed in silica gel ink or UV glue, coated on the diffusion layer and cured. According to the integrated light conversion glass diffusion plate disclosed by the invention, the quantum dots are integrally embedded into the glass diffusion plate, so that theuse of quantum films is reduced, the cost is reduced, and the product thickness is smaller. The integrated light conversion glass diffusion plate is high in color gamut, the color gamut is improved by30% by embedding the quantum dot light conversion layer, and the service life is long.

The invention provides a waterborne radiation curing coating decorative plate and a preparation method thereof. The waterborne radiation curing coating decorative plate comprises an inorganic plate and finish with which the surface of the inorganic plate is coated. The finish comprises a waterborne radiation curing coating. The waterborne radiation curing coating comprises 1-40 wt% of acrylate monomers, 30-50 wt% of one or more of a water-soluble acrylate prepolymer, an organosilicone modified water-soluble acrylate polymer and oil-in-water acrylate prepolymer emulsion, 3-8 wt% of photoinitiator and 2-41 wt% of one or more of water or alcohol solvents. The waterborne radiation curing coating decorative plate has good patterns and color expressive force, the surface is smooth and compact, good antimicrobial performance, anti-fouling performance, anti-scratching performance, water-proof performance, mould-proof performance and heat-resistant performance are achieved, and the decorative plate can be widely applied to various decoration materials. The waterborne radiation curing coating decorative plate is simple in preparation process, suitable for batch production and good in environment friendliness and energy conservation.

The invention provides a waterborne radiation-curable coating decorative plate and a preparation method thereof. The decorative plate comprises a metal substrate and a finishing coat layer coating the metal substrate. The finishing coat layer contains a waterborne radiation-curable coating. The waterborne radiation-curable coating comprises, by weight, 1 to 40% of acrylate monomer, 30 to 50% of one or more selected from a group consisting of water-soluble acrylate prepolymer, organosilicon-modified waterborne acrylate polymer and oil-in-water acrylate prepolymer emulsion, 3 to 10% of a photoinitiator and 2 to 41% of one or more selected from a group consisting of water or alcoholic solvents. The waterborne radiation-curable coating decorative plate has good pattern and color expressive force, smooth and compact surface and good antibacterial, anti-pollution, anti-scrape, waterproof, mildew-resistant and heat-resistant properties and is widely applicable to a variety of decoration environments; and the preparation method is simple, applicable to batch production, and good in environmental protection and energy saving performance.

The invention discloses a standard-definition input and high-definition output-based on-board image processing method. The method comprises image enhancement and image fusion, wherein the image enhancement comprises the following steps of: 1, inputting an RGB color image and respectively carrying out following processing on three channel images R, G and B, 2, carrying out gray stretching correction on the image, 3, calculating an overall brightness coefficient and an overall adjustment coefficient of the image, 4, dividing the image into M*M sub-block images, 5, calculating a brightness coefficient and an adjustment coefficient of each sub-block image, 6, correcting the adjustment coefficient of each sub-block image according to the overall adjustment coefficient of the image, 7, calculating an adjustment coefficient of each pixel point, and 8, adjusting the brightness of each pixel point; and the image fusion comprises the following steps of: fusing overlapped areas of two adjacent images through a weighted gradient manner, defining the two adjacent frames to be a first image and a second image, and gradually transiting from the first image to the second image in the overlapped areas through position weighted fusion so as to realize fusion of the two adjacent images.

The invention belongs to the technical field of non-linear hybridization optical materials, and particularly relates to a method for preparing a light conversion composite nanopore material. According to the method, hydroxyl naphthalenone organic molecules are synthesized and modified by an organic synthesis method, so that a functionalized molecular bridge is obtained; furthermore, functionalized hydroxyl naphthalenone is added into tetraethoxysilane to generate cohydrolysis polycondensation, so that an organic and inorganic hybridized pore material with a regular and organized height duct structure is formed; and rare earth ions and small molecules are added for coordination, so that a rare earth organic or inorganic or small-molecule hybridized material is formed. According to the method, the organic molecule with an electronic conjugation system and an electronic transferring structure is connected with the rare earth ions due to coordination reaction, and the rare earth ions are connected with organic molecules, so that organic molecules, inorganic molecules and rare earth molecules are connected through strong covalent bonds and coordination bonds, and a nonlinear optical composite nanopore material with stable chemical and thermal properties and a regular surface appearance can be obtained. The experimental condition of the method is mild; the light conversion composite nanopore material can be directly obtained at room temperature; the operability is high; and the reproducibility is high. The obtained product receives visible light and performs excitation energy transmission, so that the quality is stable, and the appearance is regular.

The invention relates to the technical field of display, and discloses a backlight module, which comprises a light guide plate and light strips which are arranged on the light guide plate, wherein the light strips are provided with white light sources; the backlight module is characterized in that the light strips are also provided with monochromatic sources of at least one color in N preset primary colors; and N is greater than or equal to 1. The invention also discloses a display device comprising the backlight module. The monochromatic sources are embedded into the LED (Light Emitting Diode) light strips, so that the color gamut representation range of the LED backlight display system is improved, the size of a sub-pixel point is required to be changed in order to be matched with a special backlight source for use, and the phenomenon of color distortion is avoided while the color gamut range of the display system can be improved and the color presentation is increased.

The invention discloses a laser smart projection display device which is mainly composed of a hardware platform, a software system and an optical system. According to the technical scheme, a single-chip scheme is adopted for the hardware part, the cost is reduced, the development cycle is reduced, hardware functions are powerful, and interface resources are rich and include a radio frequency interface, a video interface, a color difference interface, a VGA interface, an HDMI interface, a USB interface and an RJ45 interface (see drawings) and the like. Functions of hardware are greatly expanded due to advanced system software, full-screen 3D games supported by the local HTML5 and WebGL can be supported, webpage browse is supported, a user interface is designed by utilizing three-dimensional texture effect IND, and application software is convenient to install and unload; a laser light source is adopted as a light source of an optical path system, a more perfect colorful real vision can be restored for viewers, and the high-definition video playing requirements are met better.

The invention discloses a brown undertone canvas. A preparation method of the brown undertone canvas includes the steps: (1) coating gel resin on the surface of a fabric, and then drying the gel resin in an oven at the temperature of 100-120 DEG C to obtain a gel resin layer; (2) coating prime paint on the surface of the gel resin layer, and drying the prime paint in the oven at the temperature of 90-100 DEG C to form a prime paint layer; (3) coating colorant paint on the surface of a bottom layer, and drying the colorant paint in the oven at the temperature of 90-100 DEG C to form a colorant layer; (4) finally, coating brown undertone top paint on the colorant layer, and drying the brown undertone top paint in the oven at the temperature of 70-85 DEG C. The speed of the fabric penetrating the oven is 6-7 meters per minute. The brown undertone canvas is fine in waterproof performance, saturation and drape effect, bright in color, colorful and not easy to fade.