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44 results about "Blue green colour" patented technology

White light emitting phosphor blends for LED devices

There is provided white light illumination system including a radiation source, a first luminescent material having a peak emission wavelength of about 575 to about 620 nm, a second luminescent material having a peak emission wavelength of about 495 to about 550 nm, which is different from the first luminescent material and a third luminescent material having a peak emission wavelength of about 420 to about 480 nm, which is different from the first and second luminescent materials. The LED may be a UV LED and the luminescent materials may be a blend of three or four phosphors. The first phosphor may be an orange emitting Eu2+, Mn2+ activated strontium pyrophosphate, Sr2P2O7:Eu2+, Mn2+. The second phosphor may be a blue-green emitting Eu2+ activated barium silicate, (Ba,Sr,Ca)2SiO4:Eu2+. The third phosphor may be a blue emitting SECA phosphor, (Sr,Ba,Ca)5(PO4)3Cl:Eu2+. Optionally, the fourth phosphor may be a red emitting Mn4+ activated magnesium fluorogermanate, 3.5MgO*0.5MgF2*GeO2:Mn4+. A human observer perceives the combination of the orange, blue-green, blue and / or red phosphor emissions as white light.
Owner:GE LIGHTING SOLUTIONS LLC

Mixture of alkaline earth metal thiogallate green phosphor and sulfide red phosphor for phosphor-converted LED

A device and method for emitting output light of a desired color utilizes green-emitting Thiogallate phosphor material and red-emitting SrCaS:Eu phosphor material to convert some of the original light emitted from a light source of the device to a longer wavelength light in order to produce the desired output light. The green-emitting Thiogallate phosphor material includes at least one of CaGa2S4:Ce phosphor and BaGa4S7:Eu phosphor. The device and method can be used to produce white light or other mixed color light using the light source, which may be a blue-green light emitting diode (LED) die.
Owner:AVAGO TECH ECBU IP (SINGAPORE) PTE LTD

White light emitting phosphor blend for LED devices

There is provided a white light illumination system including a radiation source, a first luminescent material having a peak emission wavelength of about 570 to about 620 nm, and a second luminescent material having a peak emission wavelength of about 480 to about 500 nm, which is different from the first luminescent material. The LED may be a UV LED and the luminescent materials may be a blend of two phosphors. The first phosphor may be an orange emitting Eu2+, Mn2+ doped strontium pyrophosphate, (Sr0.8Eu0.1Mn0.1)2P2O7. The second phosphor may be a blue-green emitting Eu2+ doped SAE, (Sr0.90-0.99 Eu0.01-0.1)4Al14O25. A human observer perceives the combination of the orange and the blue-green phosphor emissions as white light.
Owner:GE LIGHTING SOLUTIONS LLC

Dichroic beam combiner utilizing blue LED with green phosphor

A white beam with high color-rendering index is formed by uniting a collimated red beam and a collimated blue−green beam, the latter having as its source a blue LED with a green phosphor. The white beam is formed by a prism with an amber low-pass dichroic filter. The prism cross-section can be either a square or an equilateral triangle. The triangular prism can have one third of its mass reduced by stepped facets. Both types of prism can be elongated to accommodate multiple collimators. Switching between white, red, and blue−green allows application to police vehicles.
Owner:LIGHT PRESCRIPTIONS INNOVATORS

Blue-green grass

A blue-green colored glass composition includes a base portion, such as a conventional soda-lime-silica base, and major colorants. In one embodiment, the major colorants include 0.7 to 0.9 weight percent total iron (Fe2O3), 0.2 to 0.3 weight percent FeO, and 0 to 5 ppm CoO. The glass is characterized by a dominant wavelength in the range of 490 nm to 495 nm and an excitation purity in the range of 3% to 11%. The glass of the invention can be essentially free of Se.
Owner:VITRO FLAT GLASS LLC

Ytterbium doped gadolinium lanthanum calcium oxoborate laser crystal, producing method, and purpose

The invention discloses a method for preparing and using laser crystal mixed with the ytterbium doped gadolinium lanthanum calcium oxyborate, which relate to the field of the intraocular lens. At a temperature of about 1470 DEG C, the invention, at a crystal rotation speed of 5 to 20 rotations per minute and a pulling rate of 0.5 to 2mm per hour, produce the crystal of Yb<3+>:Gd<1-X>La<X>Ca<4>O(BO3)3 of high quality and larger dimension though a czochralski method. The crystal is a novel laser crystal, which can generate a laser output with a wavelength of about 1 Mum. The crystal also has the frequency-doubled effect and can get blue-green laser output through a self-frequency-doubling or self-mixing nonlinear optical method. A solid laser made from the crystal can be applied in the fields such as spectroscopy, biomedicine, military science and etc.
Owner:FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI

Blue-green long-afterglow luminescent material and preparation method thereof

The invention discloses a blue-green long-afterglow luminescent material and a preparation method thereof. The chemical expression of the material is MnxZr1-0.5xP2O7, wherein x is equal to 0.005-0.12, raw materials of the luminescent material include ZrOC12.8H2O, (NH4)2HPO4, MnCO3, H3BO3, citric acid and polyethylene glycol 4000. The luminescent center of the prepared luminescent material is Zr<4+> and Mn<2+>, wherein the blue luminescent part comes from Zr<4+>, and the green luminescent part comes from Mn<2+>. After irradiation for 15 min under lamplight, a light source is removed, and it can be observed in darkness that the material can emit blue-green light continuously for 10 h or longer. Moreover, the material is low in synthesis cost and high in chemical stability.
Owner:MINNAN NORMAL UNIV

Ytterbium doped yttrium lanthanum calcium oxoborate laser crystal, producing method, and purpose

The invention discloses a laser crystal of ytterbrium doped calcium oxygen borate yttrium lanthanum, a preparation method and an application thereof. The invention relates to the field of an artificial crystal, in particular to a laser crystal of ytterbrium doped calcium oxygen borate yttrium lanthanum (Yb3+:Y<1-X>LaXCa4O(BO3)3), the preparation method and the application thereof. At a temperature of about 1500 DEG C, the invention, at a crystal rotation speed of 5 to 20 rotations per minute and a pulling rate of 0.5 to 2mm per hour, produce the crystal of Yb3+:Y<1-X>LaXCa4O(BO3)3 of high quality and larger dimension though a czochralski method. The crystal is a novel laser crystal, which can generate a laser output with a wavelength of about 1 micrometer. The crystal also has the frequency-doubled effect and can get blue-green laser output through a self-frequency-doubling or self-mixing nonlinear optical method. A solid laser made from the crystal can be applied in the fields such as spectroscopy, biomedicine, military science and etc.
Owner:FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI

Neodymium boracic acid oxygen calcium gadolinium lanthanum doped laser crystal and preparation method and usage thereof

A neodymium-intermingled calcium-gadolinium-lanthanum borate laser crystal and its preparing method and its use, relate to artificial lens field. Nd3+:GdXLa1-xCa4O(BO3)3 crystal having high quality and bigger size is produced by the pulling method (Czochralski method) at 1480 DEG C, at the crystal rotational speed of 5-20 turns / minute, under the drawing speed of 0.5-2 mm / hour. The crystal belongs to monoclinic system and Cm space group. The crystal is a novel laser crystal and can produce the laser output of 1060 nm wavelength. The crystal has also frequency-doubled effect, accordingly the blue-green laser output can be produced by itself-frequency-doubled and itself-frequency-mixed non-linear optical means. The solid laser produced by the crystal can be used in the a plurality of fieldes such as spectroscopy, biomedicine, military affairs, ect.
Owner:FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI

Gradual change type peacock blue glaze ceramic and preparation process thereof

The present invention relates to gradual change type peacock blue glaze ceramic and a preparation process thereof. The gradual change type peacock blue glaze ceramic comprises light-colored glaze on the surface of a ceramic blank body, and dark-colored glaze on the local part of the light-colored glaze. For the gradual change type peacock blue glaze ceramic, the surface of the light-colored glaze is thin and transparent, and has glassy luster; manganese oxide, iron hydroxide, and cobalt are introduced as color agents, so that the light-colored glaze displays slightly light blue; the dark-colored glaze is arranged in the surface of light-colored glaze, is bright, and has a strong glassy texture, the overall ceramic is blue-green; the combined degree of the light-colored glaze and the dark-colored glaze is high; the combined part is smooth, and free of cracking; and the overall color of the ceramic can be adjusted according to the thickness of the dark-colored glaze, from shallow to deep, to form a variety of lines, thus forming a unique artistic effect. The gradual change type peacock blue glaze ceramic is stable in effect, can be produced in a large quantity, increases the yield, reduces the production cost of materials, and improve the economic efficiency and market competitiveness.
Owner:德化县如瓷生活文化有限公司

Particulate ferrous sulfate heptahydrate and its preparing method and device

InactiveCN101012070AOvercome the shortcomings of easy moisture absorption and cakingEasy to packIron sulfatesFerrous sulphate heptahydrateImpurity
The invention discloses a blue green or light blue particle-shaped ferrous sulphate heptahydrate and manufacturing method and equipment with diameter at 1-8mm, which comprises the following steps: washing ferrous sulphate heptahydrate in the cleaning pond to remove surface impurity; filtering; drying; obtaining pure ferrous sulphate heptahydrate; drying; punching to obtain the piece with thickness at 2-10mm; breaking; separating through vibrating sieve; collecting 2-60 order particle; packing; blending dried piece and ferrous sulphate heptahydrate to punch again.
Owner:梁永洪 +1

Neodymium boracic acid oxygen calcium yttrium lanthanum doped laser crystal and preparation method and usage thereof

A neodymium-intermingled calcium-yttrium-lanthanum borate laser crystal and its preparing method and its use, relate to artificial lens field. Nd3+:YXLa1-xCa4O(BO3)3 crystal having high quality and bigger size is produced by the pulling method at 1500 DEG C, at the crystal rotational speed of 5-20 turns / minute, under the drawing speed of 0.5-2 mm / hour. The crystal belongs to monoclinic system and Cm space group. The crystal is a novel laser crystal and can produce the laser output of 1060 nm wavelength. The crystal has also frequency-doubled effect, accordingly the blue-green laser output can be produced by itself-frequency-doubled and itself-frequency-mixed non-linear optical means. The solid laser produced by the crystal can be used in the a plurality of fieldes such as spectroscopy, biomedicine, military affairs, ect.
Owner:FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI

A blue-green silicate ultra-long afterglow luminescent material and its preparation method

The invention relates to a blue-green silicate long afterglow luminescent material and a preparation method thereof. The chemical expression of the luminescent material is Ba0.9975Si2O5:Eu0.0025, Rx,wherein R is one or two of Dy, Pr, Ce, Nd, Tm, Sm, Yb, Gd, Er, Tb or Ho, and x is more than or equal to 0.005 and less than or equal to 0.050. The preparation method comprises the steps of respectively weighing raw materials according to a stoichiometric ratio, grinding the weighed raw materials, and evenly mixing to obtain raw material powder; carrying out calcination, cooling, and then grindingto obtain the ultra-long blue-green silicate long afterglow luminescent material. According to the preparation method, Eu<2+> is used as activation ions, one or two of trivalent rare earth ions such as Dy<3+> and Nd<3+> are used as co-activation ions, a co-solvent is not added, and calcinations is carried out at low temperature; the luminescent material prepared by the method can emit blue-green ultra-long afterglow after being excited by light with a wavelength of 200-400 nm. The blue-green silicate long afterglow luminescent material has the advantages of being simple, free from pollution, energy-saving and low in cost.
Owner:LANZHOU UNIVERSITY

Microorganism self-repairing concrete crack repairing condition observation method

ActiveCN111024692AImprove color distinctionHave the effect of filling the cracksMaterial analysis by observing effect on chemical indicatorMicroorganismStructural engineering
The invention discloses a microorganism self-repairing concrete crack repairing condition observation method. The method comprises the steps of preparing a microorganism self-repairing concrete test piece containing a crack; dropwise adding a copper sulfate pentahydrate solution into the crack of the test piece, then standing the test piece at room temperature for more than two days, and carryingout vacuum drying; splitting the dried microorganism self-repairing concrete test piece from the crack, wherein the position of a blue-green substance at the crack splitting position is the position of the calcium carbonate generated by the microorganisms through a mineralization deposition effect. According to the method, the color discrimination degree of microorganism deposition calcium carbonate and a concrete matrix can be obviously improved; the distribution of calcium carbonate generated by microorganism mineralization deposition in a microorganism self-repairing concrete crack area isclearly and accurately displayed, so that the calcium carbonate deposition position in the microorganism self-repairing concrete crack can be directly observed by naked eyes, and the effect of repairing the crack by microorganism mineralization deposition is clearly displayed.
Owner:SOUTHEAST UNIV

Reagent for quick detection of ammonia and nitrogen concentration in water and use method thereof

The invention relates to a testing agent for detecting ammonia nitrogen in water. The testing agent comprises A, B two packages, wherein the A is packaged by grinding and mixing sodium tartrate, natrium salicylicum, citric acid trisodium and nipride; the B is packaged by grinding and mixing sodium-hydroxide, lithium hydrate, citric acid trisodium, babysafe, symclosene and symclosene. When use the testing agent, adding a pack of A into sample water, adding a pack of B after placing 2 minutes, the water will display blue-green color if there's ammonia nitrogen in the water, and the darkness of the color is in proportion to the concentration of the ammonia nitrogen; placing 10 minutes, comparing it with the standard color matching card, color matching disc to read the concentration of the ammonia nitrogen in the water.
Owner:GUANGDONG HUANKAI MICROBIAL SCI & TECH

Blue-green tempered glass printing ink

The invention particularly discloses blue-green tempered glass printing ink. The printing ink is prepared from components in percentage by mass as follows: 54%-62% of glass base glaze, 10%-15% of varnish, 25%-35% of a coloring agent and 0.1%-1% of an additive, wherein the coloring agent is a mixture of cobalt oxide, copper oxide, chromium oxide, zinc oxide and aluminium oxide in the weight ratio being (3-5):(2.5-4):(2-4):(0.2-0.8):(0.5-1.5). The invention further provides a preparation method of the printing ink. The blue-green tempered glass printing ink is high in adhesive force, and problems of color changing, coating shedding and the like cannot occur easily when the printing ink is heated and wetted.
Owner:DONGGUAN TAISHENG GLASS CO LTD

Process for preparing a photochromic polymeric composition, thus obtained polymeric composition and use thereof

The present invention discloses a process for preparing a photochromic polymeric composition, characterized in that the photochromic polymeric composition is prepared by comprising (meth) acrylamide compound in the reaction mixture useful for the preparation of the photochromic polymeric composition. The present invention also relates to the thus obtained polymeric composition, photochromic articles made from said polymeric composition, and use of said polymeric composition for preparing photochromic articles. The photochromic polymeric composition according to the present invention makes the absorption peak of the photochromic dye therein become longer, thus exhibiting a desired grey with a bit bluish green or grey with a bit blue.
Owner:EVONIK ROEHM GMBH

Dianthus plant named ‘Cute as a Button’

ActiveUSPP31453P2Great color changeDenser in habitAngiosperms/flowering plantsDouble-floweredPetal
A new and unique plant cultivar of perennial carnation or pinks, Dianthus plant named ‘Cute as a Button’ with numerous, medium-sized, semi-double, lightly-fragrant flowers producing a rounded flat face. The numerous stems cover top to bottom of clump on well-branched stems having up to 3 flowers per stem. Petals are bright pink maturing medium pink and have fine serrations. The habit is compact with long, thin, blue-green foliage.
Owner:WALTERS GARDENS

A method for screening linear spirulina filaments by using triclosan

The invention relates to the production technology of spirulina and aims to provide a method for screening linear spirulina filaments by using triclosan. Including: take an appropriate amount of spirulina algae liquid with both spiral and linear algal filaments, dilute its turbidity T to 0.2 with Zarrouk's culture medium; divide the diluted algae liquid into multiple parts, add Dilute the turbidity T of the algae solution to 0.1 in the Zarrouk culture solution containing gradient concentrations of triclosan; after 70 days of standing culture, select the blue-green algae solution, and take the group with the highest concentration of triclosan, and the other group The algae filaments in the algae liquid are all linear algae filaments. The present invention screens linear algae filaments based on the difference in susceptibility of different algae filaments to triclosan. Compared with the traditional separation and cultivation method of algae filaments, the present invention is not only simple, efficient, but also low in cost, and can realize batch, automation, and high-throughput Quantity screening. The method can provide the required linear spirulina filaments for further research on the internal mechanism and influencing factors of the straightening of the spirulina filaments.
Owner:ZHEJIANG UNIV

A microbial self-healing concrete crack repair observation method

ActiveCN111024692BImprove color distinctionHave the effect of filling the cracksMaterial analysis by observing effect on chemical indicatorMicroorganismStructural engineering
The invention discloses a method for observing the repairing condition of microbial self-repairing concrete cracks, which comprises the following steps: preparing a microbial self-repairing concrete specimen containing cracks; adding copper sulfate pentahydrate solution to the cracks of the specimen, and then keeping the specimen Let it stand for more than two days, and dry it in vacuum; split the dried microbial self-repairing concrete specimen from the crack, and the blue-green material at the crack split is the position where the microorganism produces calcium carbonate through mineralization and deposition. This method can significantly improve the color distinction between microbial deposition of calcium carbonate and concrete matrix, clearly and accurately display the distribution of calcium carbonate produced by microbial mineralization deposition in the crack area of ​​microbial self-healing concrete, so that the microbiological self-healing concrete cracks can be directly observed by naked eyes The location of calcium carbonate deposition clearly shows the effect of microbial mineralization deposition on repairing cracks.
Owner:SOUTHEAST UNIV

Synthesis method, product and application of C3N4 quantum dot room-temperature phosphorescent material

The invention discloses a synthesis method of a C3N4 quantum dot room-temperature phosphorescent material and a product and application thereof. The synthesis method comprises the following steps of:taking urea or other urea-like small molecules as raw materials and carrying out a high-temperature solid-phase reaction in a high-pressure reaction kettle to obtain a product which is grey white powder, has solid-phase fluorescence and can continuously emit macroscopic blue-green phosphorescence for 3-6 seconds at room temperature. The preparation method is simple, and the product contains no harmful metal and is a novel room-temperature phosphorescent material; and the C3N4 quantum dot room-temperature phosphorescent material has potential application value in the fields of 3D printing, anti-counterfeiting, decoration, imaging and the like.
Owner:广安长明高端产业技术研究院

Abalone shell pigment and preparation method thereof

The invention discloses an abalone shell pigment and a preparation method thereof. An abalone shell is adopted as a raw material, an algae pigment at the outer layer of the abalone shell is extracted by adopting an acid solution, and the abalone shell pigment is processed in decalcifying, purifying and precipitating manners. The abalone shell pigment has the characteristics of acid solubility, alkali insolubility, water insolubility and hydrophilic organic solvent insolubility. E490<1%>1cm of a blue-green pigment is greater than or equal to 75, E600<1%>1cm of a reddish-brown pigment is greater than or equal to 50, the calcium content is smaller than or equal to 2.5%, the total nitrogen is smaller than or equal to 7.5%, and the total sugar is smaller than or equal to 5.0%. The abalone shell pigment can be efficiently extracted under the conditions of room temperature, low acid concentration and short time, active ingredients of the abalone shell pigment are reserved to the maximal extent by the processing procedures of purifying, precipitating, washing, drying and the like; the abalone shell pigment is novel in conception, abundant in raw materials, high in production efficiency, low in preparation cost, simple in technology, green and environment-friendly, convenient to implement, and great in generalization performance, and a new path is found out for high-valued utilization of the abalone shell.
Owner:FUZHOU UNIV
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