72results about How to "Pure chroma" patented technology

The invention provides queen bee wine and a brewing method thereof. The queen bee wine contains bees and over 50-degree distilled spirits, wherein the bees can be honeybees and preferably are drone pupae, and can also be bee products such as royal jelly; and the ratio of the bees and/or the bee products to the distilled spirits is 1:2-1:10, preferably 1:3-1:7. The queen bee wine brewed by the method of the invention has the advantages of pure chroma and good mouthfeel.

The invention discloses a projector red and blue laser light source system, comprising a first B-LD array, a fluorescence color wheel, a second B-LD array and a B reflector array, and being characterized in that an R area of the fluorescence color wheel is a red light transmission area, a B area is a blue light transmission area, and a G area is coated with green fluorescent powder; the system also comprises an R-LD array opposite to the second B-LD array, and an R reflection DM mirror array arranged in the light ray propagation direction of the R-LD array; a first RB reflector is arranged in the transmission direction of the fluorescence color wheel, a second RB reflector is arranged in the reflection direction of the first RB reflector, an RB reflection DM mirror is arranged in the reflection direction of the second RB reflector, and a light collection rod is arranged in the reflection direction of the RB reflection DM mirror; a G reflection DM mirror is arranged in the reflection direction of the fluorescence color wheel, and the RB reflection DM mirror is arranged in the reflection direction of the G reflection DM mirror. A color shift phenomenon of red laser obtained by the light collection rod is avoided, and the red color of a projector is reproduced very truly.

The invention discloses a nitride semiconductor white light light-emitting diode. V-pits are filtered and dislocated through a nanometer dislocation filtering template to form uniformly distributed V-pits in a multi-quantum-well region; the V-pits comprise first V-pits and second V-pits; the multiple quantum wells between the first V-pits and the second V-pits give out blue light; a WS<2>/MoS<2> superlattice two-dimensional material is in the opening positions of the first V-pits to give out red light; a GaS/InSe superlattice two-dimensional material is in the opening positions of the second V-pits to give out green light; and the red light, green light and blue light are mixed to form white light, so that cost is lowered and the light emitting efficiency is improved.

The invention discloses a fluoroborosilicate-based red phosphor, and a preparation method and an application thereof. The chemical structural formula of the phosphor is BaR<III>6(Si3B6O24)F2:xEu<3+>, wherein R<III> is one of La<3+>, Ce<3+>, Pr<3+>, Nd<3+>, Sm<3+>, Gd<3+>, Tb<3+>, Dy<3+>, Ho<3+>, Er<3+>, Yb<3+>, Lu<3+> and Y<3+> ions; and x is the mole percentage coefficient of the replacement of R<III> by Eu<3+>, and x is not less than 0.0001 and not more than 1. The phosphor is prepared through adopting a high temperature solid phase technology or a chemical solution technology, and can emit red fluorescence with the dominant wavelength nearby 595nm under the excitation of near ultraviolet light with the wavelength of 380-410nm. The fluoroborosilicate-based red phosphor has the characteristics of high crystallization degree, substantial luminescence efficiency and simple preparation method, and can be used in various illumination displays with the near ultraviolet light as an excitation source, and photoluminescence chroma adjustment.

The invention discloses a Eu3+doped tantalite red fluorescent powder and a preparing method and application therefore. The fluorescent powder is La2-2xEu2xTa12O33, wherein x is the Eu3+doped chemical metering score and is larger than or equal to 0.001 and smaller than or equal to 0.20, the high-temperature solid phase method is adopted, rare earth ions are added, and the Eu3+doped tantalite red fluorescent powder is prepared. The Eu3+doped tantalite red fluorescent powder can be effectively excited by near ultraviolet light and blue light nearby 250 nanometers to 475 nanometers, the emission wavelength of the Eu3+doped tantalite red fluorescent powder and the emission wavelength of a near-ultraviolet LED chip are quite coincident, and under excitation of the near ultraviolet light, the fluorescent powder can emit bright red fluorescence, the emission wavelength is mainly 612 nanometers, and the red fluorescence has the quite-wide excitation spectrum and the quite-wide luminescence spectrum; the obtained granularity is even, the luminous efficiency is high, the chemical stability is good, toxic gas such as sulfide cannot be generated under ultraviolet radiation, the environment is friendly, and the Eu3+doped tantalite red fluorescent powder can be applied to white light LED and the other luminous fields; in the preparing process, compounds with elements required by synthetic materials are mixed in proportion, the high-temperature solid phase method is adopted, the technology is simple, the Eu3+doped tantalite red fluorescent powder is free of pollution, environmentally friendly and suitable for industrial production.

The invention discloses a preparation method of zero-dimensional and two-dimensional hybridized all-carbon white fluorescent powder. The method comprises the steps of adopting anhydrous citric acid as a carbon source and alkylamine as a passivator, carrying out hydrothermal reaction to prepare the zero-dimensional and two-dimensional hybridized all-carbon white fluorescent powder. The fluorescent powder comprises zero-dimensional carbon quantum dots and two-dimensional carbon nanosheets; the defects of aggregation of the carbon quantum dots and optical quenching after film formation are effectively inhibited through the two-dimensional nanosheets; the film and the powder emit white light with high luminous intensity and pure chromaticity.

The invention discloses a europium-ion/manganese-ion-codoped barium yttrium phosphate red fluorescent powder and a preparation method thereof. The chemical formula of the fluorescent powder is Ba3Y[(1-x-y)]EuxMny(PO4)3, wherein x is 0.001-0.2, and y is 0.001-0.2. The preparation method adopts a high-temperature solid-phase process and comprises the following steps: respectively weighing a Ba<2+>-containing compound, a Y<3+>-containing compound, a Mn<2+>-containing compound a Eu<3+>-containing compound and a P<5+>-containing compound according to the stoichiometric proportion of the elements in the fluorescent powder chemical formula, grinding and mixing uniformly, presintering the obtained mixture at 300-500 DEG C for 0.5-4 hours, cooling, sintering at 1150-1350 DEG C for hours, and cooling. The phosphate-base red fluorescent powder can be effectively excited by near-ultraviolet light and blue light to emit the red light of which the main peak wavelength is 611nm, and has the advantages of high luminescent intensity and pure chroma; and the preparation method does not discharge wastewater or waste gas, and thus, is environment-friendly.

Provided are a method for producing chicken-oil-yellow glass, glass, and an embossment processing technology based on glass. The method comprises the steps of firstly mixing various materials to form mixed raw materials, feeding the mixed raw materials when furnace temperature reaches to 1360 DEG C, keeping the temperature to be at 1400 DEG C to melt and sinter the mixed raw materials for 6 hours, beginning to perform production after stopping heating for 1 hour and then producing the glass; performing surface treatment to produced chicken-oil-yellow glass blank after producing glass blank; performing carve by using cutting tools; and finally coloring and embellishing carved patterns or characters through pigments. The production of the chicken-oil-yellow glass and embossment art works made of the chicken-oil-yellow glass is suitable for glass manufacturers.

The invention discloses europium ion-activated red luminescent nano fluorescent powder, a preparation method and an application. A chemical formula of the material is Bi<1-x>Eu<x>SbP<4>O<14>, wherein x is a mole ratio of Bi<3+> ions replaced with trivalent europium ions Eu<3+>, the range of the mole ratio is 0.001<=x<=0.25. The red luminescent nano phosphor powder is capable of emitting pure red light of which the main wavelength is 614 nm under the excitation of ultraviolet light, near ultraviolet light and blue light, and can be applied to various lighting and display devices employing the ultraviolet light, the near ultraviolet light and the blue light as excitation sources to modulate the color temperature of a light source and to improve the color rendering index. The red luminescent nano fluorescent powder is small in particle and uniform in particle size, can be mixed with blue and green fluorescent powder, coats the outside of an InGaN diode and is packaged outside the InGaN diode; an LED capable of emitting warm white light is prepared; a matrix is stable, corrosion-resistant, light in light-emitting efficiency, nontoxic and pollution-free; and the preparation process is very easy to operate and industrially produce.

The invention discloses terbium ion doped yttrium phosphate barium green phosphor and a preparation method thereof. The chemical constitution of the green phosphor is Ba3Y(1-x)Tbx (PO4)3, wherein x is between 0.001 to 0.2, the phosphor is prepared by adopting high-temperature solid-phase method which comprises the following steps of firstly weighing a compound containing Ba<2+>, a compound containing Y<3+>, a compound containing terbium ions and a compound containing P<5+> respectively according to the stoichiometric ratio of each element in the chemical formula of the phosphor, grinding and mixing the compounds, presintering the obtained mixture at 300-500 DEG C for 0.5-4 hours, cooling, then sintering the mixture at 1,150-1,350 DEG C for 4-16 hours, and cooling. The green phosphor can be effectively activated by near ultraviolet or ultraviolet light and can emit green light with a main peak wavelength of 542 nanometers, the light-emitting intensity is high, the chroma is pure, good heat stability can be provided, no waste water or waste gas is discharged according to the preparation method, and the preparation method is environmentally friendly.

Belonging to the technical field of inorganic fluorescent powder materials, the invention relates to a Cr<3+> ion-activated near-infrared fluorescent powder, a preparation method and application thereof. The chemical formula of the Cr<3+> ion-activated near-infrared fluorescent powder is NaAl1-xCrxVPO7, wherein x is the molar ratio of Cr<3+> doping substituted Al<3>, and x is greater than or equalto 0.001 and less than or equal to 0.1. The preparation method includes: according to the stoichiometric ratio of each element in the chemical formula NaAl1-xCrxVPO7, weighing compounds containing ions of the elements, respectively carrying out wet grinding on the weighed raw materials with acetone as a grinding aid, mixing the substances uniformly, and then conducting calcining for two times tofinish preparation. The synthesis method has the characteristics of simple process, convenient operation, low equipment requirement, energy-saving and environmental friendliness, and the prepared powder has high luminous efficiency and good stability. After ultraviolet excitation, the fluorescent powder can emit red light of about 703 nanometers, the Cr<3+> ion-activated fluorescent powder can beapplied to near-infrared lasers, and provides more material choices are provided for solid-state lasers.

The invention relates to vanadate red phosphor activated by europium ions Eu3+, a preparation method and application, and belongs to the technical field of inorganic light emitting materials. The chemical formula of the phosphor is CaBiLa1-xEuxV2O9, wherein x is a mole ratio of doped Eu3+ to substituted lanthanum ions La3+ and is greater than or equal to 0.001 and smaller than or equal to 0.15. The prepared phosphor is synthesized by a sol-gel method, the preparation method is simple and environmentally friendly, the raw material and the preparation cost is low, the powder purity is high, thecrystallinity is good, the performance is stable, the phosphor has a wide excitation band in a near-ultraviolet region, and the emission wavelength of a near-ultraviolet LED chip is well matched; under the excitation of the near-ultraviolet wavelength, an obtained red light spectrum is a sharp jump emission peak at 613 nm and has very pure chromaticity; the light emitting efficiency is high, and the stability is high.

The invention relates to Eu<3+> ion activated aluminophosphate fluorescent ceramic, and a preparation method and an application thereof, belonging to the technical field of inorganic fluorescent ceramic materials. The Eu<3+> ion activated aluminophosphate fluorescent ceramic has a chemical general formula of Li9Al<3-3x>Eu<3x>P8O29, wherein x is a molar ratio of Eu<3+> that dopes and substitutes Al<3+>, and x is no less than 0.001 and no more than 0.15. The preparation method provided by the invention comprises the following steps: according to the stoichiometric ratio of elements in the chemical formula of Li9Al<3-3x>Eu<3x>P8O29, weighing compounds containing ions of the elements, respectively carrying out wet grinding on the weighed raw materials by using acetone as a grinding auxiliary agent, carrying out uniform mixing, and carrying out calcining twice so as to complete preparation. The synthesis method provided by the invention is simple in process, convenient to operate, low in equipment requirement, energy-saving and environmentally-friendly; and the prepared powder is high in luminous efficiency and good in stability. The red fluorescent ceramic activated by the Eu<3+> ionscan be widely applied to lighting and display devices.

The invention discloses dysprosium-ion-doped yttrium-barium phosphate fluorescent powder and a preparation method thereof. The fluorescent powder has the chemical formula shown as follows: Ba3Y(1-x)Dyx(PO4)3, wherein x is selected from 0.001 to 0.2. Y<3+> is substituted with Dy<3+> to obtain yellow green fluorescent powder which is high in crystalline degree, high in light intensity and good in color rendering index. The fluorescent powder can be effectively excitated by ultraviolet light to emit blue light with the wavelength of 480nm and yellow fluorescent light with the wavelength of 573nm and is yellow green fluorescent powder which can be used for white-light LEDs or energy-saving lamps. The preparation method disclosed by the invention is simple and convenient to operate, low in production cost and equipment requirement; the obtained dysprosium-ion-doped yttrium-barium phosphate fluorescent powder is stable in quality; and industrial production is easily realized.

The invention provides a treatment method of copper material production circulating water. The treatment method comprises the following steps: S1, discharging circulating water into an adjusting tank,and adding an alkaline reagent through an automatic dosing device to adjust the pH value of the circulating water to 8-9; S2, pumping the circulating water with the adjusted pH value, obtained in step S1 into a coagulation and precipitation integrated device, performing flocculation treatment, and then performing precipitation to obtain a supernatant and bottom sludge; S3, pumping the supernatantobtained in step S2 into an intermediate water tank, pumping the supernatant into a filter tank when the liquid level reaches a certain degree, carrying out adsorption and filtration treatment, discharging obtained purified water into a clear water tank, and directly returning the purified water to the production process for use or discharging the purified water; and S4, pumping the sludge obtained in the step S2 into a sludge tank, pumping the sludge into a sludge compression device when the sludge is accumulated to a certain amount, performing filter pressing treatment, and discharging theobtained filtrate back into the adjusting tank, for treatment, through a pipeline. The method has a good purification effect on the circulating water, and the purified water is approximately neutral,has a pure chromaticity, and can be directly recycled or discharged outwards.

The invention relates to a blue fluorescent powder for a violet LED and a preparation method thereof, and an illumination light source prepared from the blue fluorescent powder. The blue fluorescent powder has a chemical structural formula of M[10-y](P[1-3b/5]N[b]O[4])[6]X[2]:yEu<2+>, wherein M is selected from one or two of Ca, Sr, Ba and Mg, X is one or two of F and Cl, y represents the molar coefficient, 0<y<1, b represents the atom number of N replacing P, and 0<b<5/3. The fluorescent powder prepared by adopting a reduction hydrogen atmosphere and an ammonium chloride atmosphere has strong absorption at 250 nm-420 nm, has the emission spectrum in the range of 430 nm-550 nm, and has the characteristics of good crystallinity, and high luminous intensity. A luminescent material is matched with ultraviolet or near ultraviolet LED and other luminous materials such as a green fluorescent powder and a red fluorescent powder to prepare a high-color-developing white LED light source.