97results about How to "Good color saturation" patented technology

An electrophoretic medium comprises at least one electrically charged particle dispersed posed in a fluid. The electrically charged particle comprises an inorganic black pigment having a surface area of at least about 7 m2 / g. Preferred pigments are magnetite and mixed metal oxides containing two or more of iron, chromium, nickel, manganese, copper and cobalt, for example copper iron manganese oxide spinel and copper chromium manganese oxide spinel. The inorganic black pigment may bear a polymer coating.

An image forming method of the present invention including applying a pretreatment liquid to a recording medium, and discharging an inkjet recording ink dropwise according to an image signal to form an image on the recording medium on which the pretreatment liquid has been applied, wherein the recording medium is regular paper which has no coat layer, the pretreatment liquid contains a cationic polymer compound, a surfactant A, water and a water-soluble organic acid, and the inkjet recording ink contains a water-dispersible colorant, a water-soluble organic solvent, a surfactant B, a penetrating agent and water, and wherein the pretreatment liquid has a static surface tension of 20 mN / m to 30 mN / m.

A display panel includes a first substrate, a lighting device emitting a monochrome light, and a color conversion layer comprising a quantum dots layer. The display panel defines a plurality of pixel areas, each pixel area includes a plurality of sub-pixels for correspondingly emitting light of different colors. The color conversion layer receives the monochrome light and converts the monochrome light to the light of different colors.

The invention discloses water-based UV (ultraviolet) ink, consisting of the following components according to a certain weight percentage: water-based light-cured resin, an activated monomer, a photoinitiator, pigments, assistants and a diluent. The assistants consist of a photosensitizer, a polymerization inhibitor, a leveling agent, a defoaming agent, a wetting and dispersing agent, an anti-rubagent, a thixotropic agent and a light stabilizer; and the pigments consist of direct dye, reactive dye and paint. The invention also discloses a preparation method of the water-based UV ink, which comprises the following steps of: weighing the components and sequentially adding the photoinitiator and the water-based light-cured resin into the activated monomer; dissolving the direct dye or the reactive dye in the diluent and then adding the dissolved substances, adding the assistants, evenly stirring the mixture and collecting the materials to obtain the water-based UV ink; or taking a certain amount of the wetting and dispersing agent, dispersing the pigments in the wetting and dispersing agent and then adding the dissolved substances, and evenly stirring the mixture; and adding the rest assistants and the diluent, stirring and then heating the mixture, and collecting the materials to obtain the water-based UV ink. According to the invention, the problem of incapability of the water-based UV ink to multiple kinds of printing modes in the prior art is solved. The preparation method is simple and easy to implement.

An ink-jet ink including a pigment a dispersant, a water, a particulate resin (A) dyed with a fluorescent dye and having an average particle diameter of from 50 to 200 nm, and an emulsion of a self-emulsifiable polyurethane; and a method for preparing the ink-jet ink, an ink cartridge containing the ink-jet ink, an image forming method using the ink-jet ink, and an image formed with the ink-jet ink.

Disclosed is a stereo transfer printing method of in mold transfer printing concurs with injection molding of silicone. The stereo in mold transfer printing method of silicone includes the following steps: (a) providing ink mixed with silicone; (b) using the silicone containing ink to print text or graphic needed on the substrate film; (c) positioning the text or graphic on the substrate film between the mold dies; (d) closing and locking the mold; (e) injecting the silicone; and (f) opening the mold and getting the silicone product.

An illumination device includes an illumination unit and a control unit. The illumination unit has a plurality of light-emitting diodes (LEDs). The LEDs are disposed adjacent to each other and emit different colors of light. The control unit is electrically connected with the LEDs to control the LEDs, respectively.

The invention relates to a color conversion layer, an organic electroluminescent display panel, and a liquid crystal display panel. The color conversion layer comprises a plurality of color conversion units. Each color conversion unit includes quantum dot films. Each color conversion unit receives light rays of monochromatic light incident on the color conversion unit, converts the monochromatic light, and then, emits the monochromatic light in primary color components for color display. Each color conversion unit defines a plurality of areas, and each area corresponds to the emission of one primary color component.

A full color toner containing a binder resin, a release agent and a colorant is provided, wherein the binder resin contains a polyester resin containing a hybrid resin containing one or more vinyl group polymer units and one or more polyester units, and wherein the content A of the hybrid resin and the content B of the release agent satisfy the following relationship: B / 2≦A≦3B.

The printing device includes a print head having a specialty gloss ink ejection head for ejecting a specialty gloss ink that creates a special gloss effect and a dye-based color ink ejection head for ejecting a dye-based color ink, and an ejection control unit configured to carry out ejection of the specialty gloss ink from the specialty gloss ink ejection head and ejection of the dye-based color ink from the dye-based color ink ejection head, and to carry out printing of a special gloss area with the specialty gloss ink and printing of a reproduction area onto the special gloss area with the dye-based color ink. The ejection control unit has a first printing mode for carrying out printing of the reproduction area in a main scan that chronologically follows a main scan of the print head in which printing of the special gloss area is carried out.

A backlight module has a light guide plate having a transparent plate and a light-mixing structure. The light-mixing structure contains a light-convergence body and a light-dispersing body connected with each other to form an hourglass-shaped structure. With the light-mixing structure, the light guide plate can mix light beams of different colors to produce white light beams.

The invention discloses a light source device of a projector, capable of enhancing brightness. The light source device is characterized by comprising a blue light generation part, a red light generation part, a multi-color light generation part and a light combining device, wherein the blue light generation part is constituted by a blue light LED (light-emitting diode) light source component and a fourth lens group arranged at the front end of the blue light LED light source component; the red light generation part is constituted by a red light LED light source component and a third lens group arranged at the front end of the red light LED light source component; the multi-color light generation part comprises a blue laser generation part, a fluorescence excitation part and a first dichroic mirror placed between the blue laser generation part and the fluorescence excitation part; and blue light, red light and multi-color light are gathered into a light-combined light beam on a same light shaft through a light combining effect of the light combining device to be irradiated on a light bar. The three-color light produced by the device has good color saturation, high luminous flux and high illuminance, so that the luminescence brightness of the projector is effectively upgraded and an excellent viewing effect is achieved. In addition, due to the simple structure, the convenience in production and the low cost, the device is suitable for extensive popularization.

The invention provides ultraviolet curing printing ink as well as a preparation method and a security product thereof. The ultraviolet curing printing ink has a particle size less than 500nm and comprises the following components in percentage by weight: 10-25% of colouring agent, 55-75% of compound active monomer, 0-5% of prepolymer, 8-15% of compound photoinitiator, 0.1-0.5% of defoaming agent, 1-4% of wetting dispersant, 0.5-3% of adhesive force enhancing resin, 0.03-0.5% of radiation curing auxiliary and 0-10% of solvent. The invention also provides a preparation method and a security product of the ultraviolet curing printing ink. The ultraviolet curing printing ink is prepared by selecting and matching a printing ink system, viscosity, adhesive force, colour saturation and the like of the prepared ultraviolet curing printing ink can be well matched with micro pattern printing, and the effect of improving the colour saturation and anti-counterfeiting level of a printed pattern and a printed product is realized.

A light-emitting device capable of producing white light includes at least two types of LED elements and at least one encapsulant material. Each of the LED elements has an epitaxial light-emitting layer grown on a substrate; and the epitaxial light-emitting layers for the LED elements are the same series of AlGaInN materials having emission wavelengths in a region from violet to green light and different from one another by at least 30 nm. The encapsulant material encapsulates the LED elements and contains an adequate amount of fluorescent powder, which can be excited to emit complementary color lights to mix with color lights from the LED elements to produce bluish, yellowish, greenish or reddish white light. At least two types of the white light-emitting devices can be differently arrayed in a module or a system to produce a white light with high color-rendering index and good light mixing effect.

A backlight module includes a light guide plate, a light source disposed at a side of the light guide plate, a diffuser sheet positioned over the light guide plate but not directly contacting the light guide plate, and a light mixing space positioned between the light guide plate and the diffuser sheet so that light emitted from the light guide plate efficiently mixes in the light mixing space before entering the diffuser sheet and emitted out of the backlight module.

An electrophoretic medium comprises at least one electrically charged particle dispersed posed in a fluid. The electrically charged particle comprises an inorganic black pigment having a surface area of at least about 7 m2 / g. Preferred pigments are magnetite and mixed metal oxides containing two or more of iron, chromium, nickel, manganese, copper and cobalt, for example copper iron manganese oxide spinel and copper chromium manganese oxide spinel. The inorganic black pigment may bear a polymer coating.

The invention discloses a colorful trace fume star used in fireworks. The star consists of an effect agent core, an intermediate agent isolation layer and an ignition agent layer. A layer of intermediate agent is stuck on the effect agent core granules as the intermediate agent isolation layer; and a layer of black powder is stuck on the intermediate agent isolation layer as the ignition agent layer. The effect agent core comprises the following ingredients by weight: 15-30 parts of ammonium perchlorate, 5-15 parts of a colorant, 50-75 parts of single-base and double-base agent and 0-5 parts of magnalium. The intermediate agent comprises the following ingredients by weight: 20-35 parts of potassium perchlorate, 5-15 parts of the colorant, 50-75 parts of the single-base and double-base agent and 0-5 parts of the magnalium. The colorful trace fume star used in fireworks generates fume which is less than 30% of that of the existing agent after burning, and has good moisture resistant performance and long shelf life; and visual observation at the burning field proves that burning rate, lightness and color saturation of the star achieve or exceed the effects of the existing products.

The invention discloses alcohol-soluble highlight oil. The alcohol-soluble highlight oil comprises the following components in percentage by mass: 5%-10% of silicon dioxide, 5%-10% of microcrystalline wax, 30%-40% of acrylic resin and 40%-60% of alcohol. The invention further discloses a production process of tipping paper for highlight cigarettes. According to the production process, the home-made alcohol-soluble highlight oil is printed to raw tipping paper for cigarettes so as to obtain semi-finished tipping paper for the highlight cigarettes, and home-made colored ink is printed to the semi-finished tipping paper for the highlight cigarettes in a gravure manner, so that the produced finished tipping paper for the highlight cigarettes has the advantages that the crimping and the curling are avoided, the air permeability is good, the color saturation is high, and the appearance is exquisite and attractive; furthermore, the production cost and the warehouse cost are low, the production efficiency is high, and the turnover rate of products is high. Compared with tipping paper for aluminum-free coating-aiding highlight transfer cigarettes and production process of the tipping paper, the production process disclosed by the invention has the advantages that a PET film is not used, so that the production process is relatively simple, the energy conservation and environment protection effects are relatively good, and the production cost is lowered.

The invention discloses supersolid three-dimensional watering powder and a preparation method thereof. The watering powder consists of toner, an oil compound, a skin touch adjusting agent, a thickening agent, a film forming agent, a hydrating agent, a PH adjusting agent, a chelating agent and a preservative, wherein the toner consists of a power stuffing agent and pigment; and the watering powderconsists of the components in percentage by mass of 40-80% of the toner, 5-15% of the oil compound, 4-12% of the skin touch adjusting agent, 1-5% of the thickening agent, 0.1-2% of the film forming agent, 0.5-2% of the hydrating agent, 1-3% of the PH adjusting agent, 0.01-1% of the chelating agent and 0.1-3% of the preservative. The watering powder disclosed by the invention is improved by the formula and the preparation method, so that the usability of color make-up powder is improved, a fine and smooth three-dimensional structure can be presented, and requirements for touch sense and visionof the color make-up powder by consumers can be met.

A backlight module has a light guide plate having a transparent plate and a light-mixing structure. The light-mixing structure contains a light-convergence body and a light-dispersing body connected with each other to form an hourglass-shaped structure. With the light-mixing structure, the light guide plate can mix light beams of different colors to produce white light beams.

A transflective FPD device is provided. The transflective FPD device includes a liquid crystal layer and a transflective layer, the transflective layer including a plurality of reflective domains and a plurality of transmissive domains. The reflective domains are adapted for reflecting ambient lights, while the transmissive domains are configure for allowing backlight to pass therethrough. Each of the reflective domains has a plurality of reflective nano-particles distributed therein, thereon and / or thereunder for enhancing the reflecting ability thereof. The reflective domains are usually configured in a given pattern having either a long-distance or a short-distance order.

The aqueous pigment ink composition includes: a pigment; and a block polymer containing at least one type of hydrophilic block and at least one type of hydrophobic block, wherein: an average Stokes diameter of dispersed particles including the pigment and the block polymer is in a range of 30 nm to 100 nm; and a total content of metal in the aqueous pigment ink composition is not more than 100 ppm with respect to the pigment.

A white-light emitting device comprises a substrate, a short wavelength light source, a protective layer, a first structure, and a second structure. The short wavelength light source is disposed on the substrate for generating a first light, and the protective layer covering the short wavelength light source is pervious to the first light. The first structure is disposed on the protective layer for generating a second light, in which the first structure includes a first quantum well and a transmission layer. The second structure is disposed on the first structure for generating a third light. Finally, the first light, the second light, and the third light are mixed to generate a white light.

The invention relates to the technical field of display, and discloses an electrowetting display panel and a display device. The display panel comprises a first substrate and a second substrate which are oppositely arranged, wherein a first transparent electrode and an electric control dielectric layer of electrogenerated hydrophilic shading fluid or hydrophobic shading fluid are formed on the first substrate, a quantum dot solution is arranged between the shading fluid and the second substrate, when voltage is applied to the electric control dielectric layer through the first transparent electrode, shrinkage of the shading fluid is controlled, the quantum dot solution is exposed, light entering from the back side of the first substrate is irradiated to the quantum dot solution, quantum dots are stimulated to give out light automatically, colored display is achieved, high display brightness is achieved, the color is bright, color saturation is good, and the display effect is improved. Meanwhile, a sealed grid-shaped space is filled with the quantum dot solution and the shading fluid which are not compatible with each other, the transmission-type colored display device can be implemented through a single-layer electrowetting structure, the structure is simple, and the manufacturing technology is simplified.

An liquid crystal display including a backlight module and an LCD panel is disclosed. The backlight module has a white light source, and the normalized optical spectrum of the backlight module is BL(λ) The LCD panel includes a red color filter layer, a green color filter layer and a blue color filter layer. The green color filter layer and the backlight module are subject to the following relationship: E=C / D and E≧0.8, wherein A is defined as the wavelength corresponding to the maximum peak value of CFGreen(λ)×BL(λ)×x(λ); B is defined as the wavelength corresponding to the maximum peak value of CFGreen(λ)×BL(λ)×y(λ); C is defined as the integral on CFGreen(λ)×BL(λ)×x(λ) over the interval between A and B; D is defined as the integral on CFGreen(λ)×BL(λ)×y(λ) over the interval larger than B, CFGreen(λ) is the transmission spectrum of the green color filter layer; and x(λ) and y(λ) are color matching functions.

A novel red fluorescent powder of the following formula (I):AB(MO4)2  (I)wherein A is independently Li+, Na+, K+, Rb+, Cs+, or Ag+; B is Europium of trivalent rare-earth ion (Eu3+); and M is molybdenum (Mo) or tungsten(W). The red fluorescent powder prepared by a solid-state method is used in light emitted diodes (LED), particular in white light LEDs. It has strong absorption in the near-UV wavelength of 360 nm to 420 nm, improved luminescence intensity than commercially available, high color purity, luminescent efficiency, and excellent chemical stability.

The present invention discloses a double-elimination short-wave pass film system and a color separation and color combination device. The system comprises an admittance match film system, a first main film system and a second main film system arranged on a substrate in order. The admittance match film system is formed by alternating middle refractive index films and low refractive index films. The first main film system is formed by high refractive index films, middle refractive index films and low refractive index films. The second main film system is formed by alternate high refractive index films and low refractive index films. The high refractive index films are TiO2 films or Nb2O5 films, the middle refractive index films are Al2O3 or MgO films, and the low refractive index films are SiO2 films. The double-elimination short-wave pass film system is applied to an optical filter and the color separation and color combination device, short-wave pass residual reflection and s- and p- polarized light transition wavelengths can be eliminated, the brightness, sharpness and color saturation of a display image are improved.

The invention discloses a water ceramic pigment and a production method thereof. The pigment consists of pigment base slurry and coloring material, wherein the pigment base slurry comprises water-soluble polyurethane resin, water-soluble acrylic resin, a pH regulator, dipropylene glycol butyl ether, antifoaming agent, flatting agent, thickener, ammonia water and other components. The water ceramic pigment can be directly used to draw pictures on the surfaces of smooth disks or other porcelain and glass products, does not need baking or drying, and is resistant to wash.