Phosphors containing boron and rare-earth metals, and light sources incorporating the same

A phosphor comprising a material having a formula of AB3O6:Ce, Mn; wherein A is at least a rare-earth metal other than cerium and may be gadolinium, scandium, yttrium, lanthanum, samarium, terbium, lutetium and combinations thereof. Also shown is the method for making such a phosphor and a light souce comprising the phosphor.

Improvements relating to luminescent materials

A phosphor consists of an alkaline earth borate activated by terbium or by terbium and gadolinium; the alkaline earth may be one or more of calcium, strontium or barium, the molar ratio of alkaline earth to boron trioxide is in the range 1 : 3 to 4 : 1, and the activator in the range 0.02 to 0.4 gm. at./mole of boron trioxide. The phosphor is prepared by heating to just below the melting point of the borate, 600-700 DEG C., and may be used as a laser material. The phosphor has a green emission, e.g. with a maximum at 545 mm .

WITH RARE GROUND CONNECTION ACTIVATED BORATE AND ITS FORERUNNER, YOUR MANUFACTURING PROCESS AND THE BORATE USE AS PHOSPHOR

RADIOTHERMOLUMINESCENCE DOSIMETERS AND MATERIALS THEREFOR

NOVEL MATERIALS USED FOR EMITTING LIGHT

An luminescent composition comprises a mixture of two or more materials, emitting electromagnetic radiation when subject to stimuli, wherein the spectral emission is not calculable at a first approximation as the simple weighted sum of the spectral emissions of the materials independently subject to said stimuli. Especially advantageous compositions are achieved if the anionic matrix is an oxide and the doping anionic salt is a fluoride or vice versa.

Leuchtmasse

Color electroluminescent displays

本发明涉及包括新颖的子像素结构的彩色电致发光显示器及其制造方法。该子像素结构具有：电致发光磷光体，其发射蓝光；和光致发光磷光体，作为蓝光吸收的结果，其发射至少一种其他色彩的光。本发明还涉及新颖的光致发光磷光体材料。

Process for producing quantum splitting phosphors and novel compositions

BORATE LUMINOUS MATERIAL AND PREPARATION METHOD THEREOF

A kind of borate luminous material is provided, which comprises the compounds having the following formula: M2 (Re1-xLnx) 2 B2O7, wherein 0 Подробнее

PROCESS FOR PRODUCING LUMINOUS PIGMENT WITH WATER RESISTANCE

L'invention concerne un procédé de production d'un pigment lumineux présentant une résistance à l'eau durable. Le procédé se caractérise en ce qu'un pigment lumineux, obtenu par dopage d'un matériau d'oxyde de base contenant au moins un élément sélectionné dans le groupe constitué par Mg, Ca, Sr, Ba et Zn et au moins un élément sélectionné dans le groupe constitué par B, Al, P et Ga avec au moins un élément de terre rare, est soumis à un traitement acide, à un pH d'au plus 3, mettant en oeuvre au moins un composé acide sélectionné parmi des acides et des composés générant de l'acide, puis à traitement aux alcalis, à un pH de 4 à 9, mettant en oeuvre au moins un composé alcalin sélectionné parmi des alcalis et des composés générant des alcalis.

Long afterglow phosphor and a process for the preparing thereof

The invention relates to a long afterglow phosphor and a process for preparing the phosphor, characterized in that the phosphor comprises the sinter expressed by a general formula MO·(n-x)?a Al2 O3α ÷(1-a)Al2 O3γ !·B2 O3 : R, where, M represents and alkaline earth metal, R represents a rare earth element, 0.5 Подробнее

Lumineszierende Massen sowie Verfahren zu ihrer Herstellung und Verwendung

PRODUCTION AND USE OF IN-SITUMODIFIZIERTEN NANO-PARTICLES

Novel materials used for emitting light

PROCESS FOR PREPARING WATER RESISTANT LUMINOUS PIGMENTS

A process for preparing a water resistant luminous pigment with durability, characterized in that a luminous pigment, in which an oxide matrix comprising at least one element selected from the group consisting of Mg, Ca, Sr, Ba and Zn and at least one element selected from the group consisting of B, Al, P and Ga is doped with at least one rare-earth metal element, is allowed to an acid treatment under the condition of pH of not more than 3 using at least one acidic compound selected from the group consisting of acids and acid generating compounds, and is subsequently allowed to an alkaline treatment under the condition of pH 4-9 using at least one alkaline compound selected from the group consisting of alkalis and alkali generating compounds.

NOVEL MIXED BORATES RARE EARTH, THEIR PREPARATION AND THEIR USE AS PHOSPHORS

BORATES MIXTES DE FORMULE I: M(II)EU(II)M(III)EU(III)TB(III)BO (I) DANS LAQUELLE: M(II) REPRESENTE AU MOINS UN METAL DIVALENT CHOISI PARMI LE BARYUM, LE STRONTIUM, LE PLOMB ET LE CALCIUM, ETANT ENTENDU QUE, DANS UN BORATE MIXTE DONNE, LE PLOMB ET LE CALCIUM, CONSIDERES ENSEMBLE, NE REPRESENTENT PAS PLUS DE 20 EN MOLES PAR RAPPORT AU NOMBRE TOTAL DE MOLES DES METAUX M(II); -M(III) REPRESENTE UN METAL CHOISI PARMI LE LANTHANE, LE GADOLINIUM, L'YTTRIUM, LE CERIUM ET LE BISMUTH; -X EST UN NOMBRE SUPERIEUR OU EGAL A ZERO ET INFERIEUR OU EGAL A 0,2; -P, Q ET R REPRESENTENT CHACUN UN NOMBRE POUVANT VARIER DE 0 A 1, ETANT ENTENDU QUE, POUR UN BORATE DONNE: -L'UN AU MOINS DES NOMBRES Q ET R EST NUL; -L'UN AU MOINS DES NOMBRES X ET Q EST NUL; -L'UN DES NOMBRES X, Q ET R EST DIFFERENT DE ZERO; -ET LA SOMME PQR EST EGAL A 1; LEUR PROCEDE DE PREPARATION, ET COMPOSITION LUMINESCENTE LES CONTENANT. MIXED BORATES OF FORMULA I: M (II) EU (II) M (III) EU (III) TB (III) BO (I) IN WHICH: M (II) REPRESENTS AT LEAST ONE DIVALENT METAL CHOSEN FROM BARYUM, STRONTIUM , LEAD AND CALCIUM, WHEREAS IN A GIVEN MIXED BORATE, LEAD AND CALCIUM, CONSIDERED TOGETHER, SHALL NOT REPRESENT MORE THAN 20 IN MOLES OF THE TOTAL NUMBER OF MOLES OF METALS M (II); -M (III) REPRESENTS A METAL CHOSEN FROM LANTHAN, GADOLINIUM, YTTRIUM, CERIUM AND BISMUTH; -X IS A NUMBER GREATER OR EQUAL TO ZERO AND LESS OR EQUAL TO 0.2; -P, Q AND R EACH REPRESENT A NUMBER THAT CAN VARY FROM 0 TO 1, WHEREAS, FOR A BORATE GIVES: -AT LEAST ONE OF THE NUMBERS Q AND R IS NULL; - AT LEAST ONE OF THE NUMBERS X AND Q IS NULL; - ONE OF THE NUMBERS X, Q AND R IS DIFFERENT FROM ZERO; -AND THE SUM PQR IS EQUAL TO 1; THEIR PREPARATION PROCESS AND LUMINESCENT COMPOSITION CONTAINING THEM.

Lumineszierender screen

RARE EARTH BORATE AND ITS PRECURSOR, PREPARATION PROCESSES AND USE OF BORATE AS LUMINOPHORE

The present invention relates to a rare earth borate, a precursor thereof, their preparation processes and the use of such borate as luminophore. The rare earth borate and its precursor are characterized in that they are provided in the form of cubic, parallelepipedic or spherical particles and in that they have a dispersion index of at least 0.8. According to one embodiment of the invention, the borate is a red luminophore. The process of preparing the precursor is characterized in that a rare earth hydroxycarbonate or carbonate is reacted with boric acid, the reaction medium being an aqueous solution. The borate is obtained by calcining the precursor.

Rare earth borate and its precursor, preparation processes and use borate as lumcinophore

BORATE OF LANTHANUM, LUTECIUM, YTTRIUM OR GADOLINIUM INCLUDING/UNDERSTANDING TWO DOPING AGENTS AND ITS PRECURSOR, USE IN the SYSTEMS HAS PLASMA OR HAS X-RAYS

The invention concerns a lanthanum, lutetium, yttrium or gadolinium borate comprising two doping agents, said borate precursor, and the use of said borate in plasma or X-ray systems. Said rare earth borate corresponds to the formula LnBO3, wherein Ln represents one or several rare earths selected among lanthanum, lutetium, yttrium and gadolinium, and it further comprises at least a first element selected among trivalent elements capable of capturing electrons such as europium, samarium, thulium and ytterbium and at least a second element selected among europium II and the trivalent elements capable of capturing defect electrons, such as cerium, terbium, praseodymium, bismuth, lead, antimony, chromium and iron.

New luminescent compounds, their mode of preparation and their applications

COLOR ELECTROLUMINESCENT DISPLAYS

The present invention is directed to color electroluminescent displays comprising a novel sub-pixel structure and method for making the same. The sub-pixel structure has an electroluminescent phosphor, which emits blue light, and a photoluminescent phosphor, which emits at least one other color as a result of absorption of the blue light. The invention is also directed to novel photoluminescent phosphor materials. © KIPO & WIPO 2007 ...

RED EMITTING PHOSPHOR FOR PLASMA DISPLAY PANELS AND GAS DISCHARGE LAMPS

The invention provides a lighting unit (100) comprising (1) a vacuum ultraviolet (VUV) radiation based source of radiation (10) configured to generate VUV radiation (11), and (2) a luminescent material (20) configured to convert at least part of the VUV radiation into visible luminescent material light (21), wherein the luminescent material comprises a trivalent praseodymium containing material selected from the group consisting of (Zr1-x-yHfxPry)(Si1-yPy)04, (Ζr1-x-yHfxPry)3((Ρ1-3/4yS3/4y)04)4, and (Zr1-x-yHfxPry)3 ((B1-3/4yS3/4y))O3)4, with x in the range of 0.0-1.0 and y being larger than 0 and being equal to or smaller than 0.15.

METHOD FOR PREPARING A RARE EARTH BORATE BY REACTING AT LEAST ONE RARE EARTH SALT, BORIC ACID AND A BASE

The invention concerns a method for preparing a rare earth borate by reacting at least one rare earth salt, boric acid and a base. This method is characterised in that a reaction is carried out using excess acid with respect to stoichiometry and in conditions such that the pH of the reaction medium at the end of the reaction is between 6 and 8, the resulting precipitate is recuperated and calcined. The borate obtained has a good phasic purity and can be used as luminophore.

Фотолюминесцентный материал скандобората самария SmSc(BO3)2

FIELD: chemistry.SUBSTANCE: invention relates to a photoluminescent material based on samarium scandoborate by the formula SmSc(BO3)2, emitting light from 566 to 708 nm, crystallising in a trigonal system with a space groupwith the parameters of a unit cell a = 4.8923(4), c = 16.3003 (13). Scandoborate is grown by a spontaneous crystallisation method from own melt of a mixture of initial components taken at a stoichiometric ratio.EFFECT: invention provides an expanded range of materials with photoluminescent properties.1 cl, 3 dwg, 1 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 753 258 C1 (51) МПК C09K 11/63 (2006.01) C09K 11/78 (2006.01) C01B 35/12 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК C01B 35/12 (2021.05); C01B 35/128 (2021.05); C09K 11/7712 (2021.05); C09K 11/7759 (2021.05) (21)(22) Заявка: 2020144006, 28.12.2020 (24) Дата начала отсчета срока действия патента: Дата регистрации: 12.08.2021 (45) Опубликовано: 12.08.2021 Бюл. № 23 Адрес для переписки: 630090, г. Новосибирск, пр-кт Академика Коптюга, 3, ИГМ СО РАН, Королевой Л.И. 2 7 5 3 2 5 8 C 1 (56) Список документов, цитированных в отчете о поиске: DOI Y. et al., Crystal Structures and Magnetic Properties of Lanthanide Containing Borates LnM(BO3)2 (Ln=Y, Ho-Lu; M=Sc, Cr), Journal of Solid State Chemistry, 2013, v. 206, p. 151-157. KUZNETSOV A.B. et al., Polymorphism in SmSc3(BO3)4: Crystal structure, luminescent and SHG properties, Journal of Alloys and Compounds, 27.08.2020, v. 851, p. (см. прод.) (54) Фотолюминесцентный материал скандобората самария SmSc(BO 3 ) 2 (57) Реферат: Изобретение относится к фотолюминесцентному материалу на основе скандобората самария формулы SmSc(BO3)2, излучающего свет от 566 до 708 нм, кристаллизующегося в тригональной сингонии с пространственной группой с параметрами элементарной ячейки а = 4.8923(4) , с = 16.3003 Стр.: 1 (13) . Скандоборат выращен методом спонтанной кристаллизации из собственного расплава смеси ...

Фритты, гранулы и/или концентраты, добавляемые в копильник, для придания флуоресценции

MIT SELTENEN ERDEN AKTIVIERTES BORAT UND SEIN VORLÄUFER, IHR HERSTELLUNGSVERFAHREN UND DIE BORATVERWENDUNG ALS LEUCHTSTOFF

Fluorescent screen

RADIOTHERMOLUMINESCENCE DOSIMETERS AND MATERIALS THEREFOR

RADIOTHERMOLUMINESCENCE DOSIMETERS AND MATERIALS THEREFOR

Fluorescent compounds of rare earths

NITRIDE PHOSPHORS AND DEVICES

Provided, among other things, is a phosphor according to the formula: A. a phosphor according to the following formula MfSiaA1bBcNdOg:Rε,Z (A); or B. a phosphor according to the following formula Msn:Rγ,Z2 (B) wherein Msn is a silicon nitride or silicon nitride-oxide of one of: (M1 x M2 1-x) (Si5N8):Rγ, Z2 (i) Lsno:Rγ,Z2 (ii) Ln2Si3_ZAIZO3+ZN4-Z:Rγ,Z2 (iii) Lsno is a lanthanide silicon nitride-oxide of one of: Ln(SiO4)N3:Rγ,Z2 (iia) LnSi2O7N2:Rγ, Z2 (iib) LnSiO2N:Rγ, Z2 (iic) Ln2SiO3N4:Rγ, Z2 (iid) Ln2Si8O4N11:Rγ,Z2 (iie); or M3 nSi3-yBO3+yN4-y:Rδ, Z3 (C); or Mf1 4Sia1Alb1Bc1Nd1-e1-g1Og1De1:Rϕ, Z4 (D) wherein D is P, Bi, Sb, As or a mixture thereof, and Rε, Rγ, Rδ and Rϕ are activators, and M, M', M2,M3and M4 are cations.

LOW-MERCURY-CONSUMING FLUORESCENT LAMPS

A low mercury consumption electric lamp is provided having a layer of a luminescent material which contains a phosphor blend having (1) about 50% by weight of the phosphor blend of a halophosphate phosphor wherein the average particle size of about 25% to 35% or more of the phosphor particles is about 3.3 to 4.0 microns or less, and (2) optionally, an intermediate layer of a Y, Sr, and borate material between the lamp surface and the phosphor layer.

Luminophore composition for UV-visible light conversion and light converter obtained therefrom

A luminophore composition comprising amorphous aluminoborate powders is disclosed. The composition is obtainable by preparing an aluminoborate resin by a wet chemical route based on precursors solutions substantially free from monovalent and divalent cations; drying the resin to obtain a solid; grinding the solid to obtain a powder; pyrolyzing the powder at a pyrolysis temperature lower than the crystallization temperature of the composition; and calcinating the powder so pyrolyzed at a calcination temperature lower than the crystallization temperature of the composition. Furthermore, a process for the preparation of said composition is disclosed. The composition is particularly suitable for use in solid-state lighting, and for example for converting UV light into warm white visible light.

METHOD AND STRUCTURE FOR NON-LINEAR OPTICS

Фритты, гранулы и/или концентраты, добавляемые в копильник, для придания флуоресценции

Настоящее изобретение относится к системе фритт, гранул и/или концентратов для использования в составах стекла, которая способна придавать стеклу флуоресцентный эффект. Указанные системы имеют следующий состав, мас.%: 15-65% SiO 2 , 0-5% Al 2 O 3 , 3-25% B 2 O 3 , 5-15% Na 2 O, 0-8% СаО, 30-65% RE, 0-15% Li 2 O, или 15-65% SiO 2 , 0-5% B 2 O 3 , 5-30% Na 2 O, 0-5% СаО, 30-65% RE, причем RE представляет собой оксид европия, оксид тербия, оксид диспрозия, оксид гадолиния, оксид самария, оксид тулия, оксид церия или комбинации вышеуказанного. Предложенные составы свободны по меньшей мере от одного из никеля, хрома, свинца и кадмия. Флуоресцентную стеклообразную фритту, гранулы и/или концентрат добавляют в копильник стеклоплавильной печи с получением флуоресцентного стекла. Система обеспечивает равномерное распределение флуоресцентного вещества в стеклооснове, позволяющее использовать его в меньшем количестве. 7 н. и 14 з.п. ф-лы, 6 табл., 4 пр., 1 ил.

Фотолюминесцентный материал состава NaSrYb(BO3)2 и способ его получения

Изобретение относится к люминофорам с общей формулой АВС(ВО3)2, где А, В, С - катионы щелочных, щелочноземельных и редкоземельных металлов, излучающих свет в инфракрасной области. Фотолюминесцентный материал состава NaSrYb(BO3)2 излучает свет в инфракрасной области в диапазоне от 950 до 1050 нм и имеет пространственную группу P21/m моноклинной сингонии, параметры решетки а=9.0561(6) b=5.29230(5) с=6.4267(4) β=118.528(4)°. Способ получения фотолюминесцентного материала состава NaSrYb(BO3)2 методом двухстадийного твердофазного синтеза включает приготовление смеси компонентов, взятых в стехиометрическом соотношении, содержащих соответственно, мас.%: карбонат натрия Na2CO3 - 10,04, карбонат стронция SrCO3 - 27,97, Yb2O3 - 37,33 и борную кислоту Н3ВО3 - 24,66. Смесь нагревают на первой стадии до 650°С не менее 5 ч, перетирают до получения однородной массы, затем нагревают на второй стадии до 900°С не менее 12 ч. Группа изобретений обеспечивает расширение арсенала материалов, обладающих фотолюминесцентными ...

ЛЮМИНОФОР КРАСНОГО СВЕЧЕНИЯ ДЛЯ ПЛАЗМЕННЫХ ДИСПЛЕЙНЫХ ПАНЕЛЕЙ И ГАЗОРАЗРЯДНЫХ ЛАМП

1. Осветительное устройство (100), содержащее (1) источник излучения (10) на основе вакуумного ультрафиолетового (ВУФ) излучения, выполненное с возможностью генерации ВУФ-излучения (11), и (2) люминесцентный материал (20), выполненный с возможностью преобразования, по меньшей мере, части ВУФ-излучения в видимый свет (21) люминесцентного материала, причем люминесцентный материал содержит материал, содержащий трехвалентный празеодим, выбранный из группы, состоящей из (ZrHfPr)(SiPy)O, (ZrHfPr)((PS)O)и (ZrHfPr)((BS))O), где x находится в диапазоне 0,0-1,0, у больше 0 и равен или меньше 0,15, и 1-x-y>=0.2. Осветительное устройство (100) по п. 1, в котором x равен 0 и y находится в диапазоне 0,01-0,1.3. Осветительное устройство (100) по любому из предыдущих пунктов, в котором люминесцентный материал, по меньшей мере, содержит (ZrHfPr)(SiP)O.4. Осветительное устройство (100) по любому из п.п. 1 и 2, в котором осветительное устройство (100) представляет собой плазменную дисплейную панель.5. Осветительное устройство (100) по любому из п.п. 1 и 2, в котором осветительное устройство (100) представляет собой газоразрядную лампу (120) с диэлектрическим барьером (ДБ), содержащую разрядный баллон (125), содержащий люминесцентный материал.6. Осветительное устройство (100) по п. 5, дополнительно содержащее оптический датчик (50), выполненный с возможностью измерения света люминесцентного материала в, по меньшей мере, части диапазона длин волн 550-700 нм и выполненный с возможностью генерации соответствующего сигнала датчика, и блок (60) управления, выполненный с возможностью определения из сигнала датчика температуры внутри разрядного баллона и управления температурой внутри разрядного баллона на основании предопределенного значения.7. Осветительное устройство (100) по любому из п.п. 1, 2 и 6, в котором источник излучения выполнен с воз

LEUCHTSCHIRM, INSBESONDERE FUER ROENTGENSTRAHLUNG

MIT SELTENEN ERDEN AKTIVIERTES BORAT UND SEIN VORLÄUFER, IHR HERSTELLUNGSVERFAHREN UND DIE BORATVERWENDUNG ALS LEUCHTSTOFF

Improvements relating to luminescent materials

A phosphor comprises a mixed borate of an alkaline earth (Ca, Sr, Ba or Mg), and an alkali metal (Li, Na or K), activated by terbium and possibly also gadolinium; the ratio of the alkali and alkaline earth metals to the boron trioxide is between 4: 1 and 1: 2 g. atom/g. mol., and the ratio of activator to boron trioxide is between 0.02 and 0.4, preferably 0.03-0.3 g. atom/g. mol., the concentration of gadolinium preferably being 0.05-0.25 g. atom/g. mol. of boron trioxide. The phosphor may be prepared by heating in air a mixture of the oxides and carbonates at 600-700 DEG C. to expel water from the H3BO3, and then heating to near the melting point; the material may then be pulverized and re-heated. When excited by radiation of 253.7 mm , the material has a green emission, with a maximum at 545 mm , and good high temperature emission (300-600 DEG C.). It may be used in H.P.M.V. lamps, lasers &c.

Color electroluminescent displays

LANTHANUM, LUTETIUM, YTTRIUM OR GADOLINIUM BORATE COMPRISING TWO DOPING AGENTS AND ITS PRECURSOR, USE IN PLASMA OR X-RAY SYSTEMS

L'invention concerne un borate de lanthane, de lutécium, d'yttrium ou de gadolinium comprenant deux dopants, le précurseur de ce borate et l'utilisation du borate dans les systèmes à plasma ou à rayons X. Le borate de terre rare de l'invention répond à la formule LnBO3, où Ln représente une ou plusieurs terres rares choisies parmi le lanthane, le lutécium, l'yttrium et le gadolinium, et il comprend en outre au moins un premier élément choisi parmi les éléments trivalents susceptibles de capter des électrons comme l'europium, le samarium, le thulium et l'ytterbium et au moins un second élément choisi parmi l'europium II et les éléments trivalents susceptibles de capter des trous, comme le cérium, le terbium, le praséodyme, le bismuth, le plomb, l'antimoine, le chrome et le fer.

RARE EARTH BORATE AND ITS PRECURSOR, METHODS FOR THEIR PREPARATION AND USE OF BORATE AS LUMINOPHORE

The present invention relates to a rare earth borate, a precursor thereof, their preparation processes and the use of such borate as luminophore. The rare earth borate and its precursor are characterized in that they are provided in the form of cubic, parallelepipedic or spherical particles and in that they have a dispersion index of at least 0.8. According to one embodiment of the invention, the borate is a red luminophore. The process of preparing the precursor is characterized in that a rare earth hydroxycarbonate or carbonate is reacted with boric acid, the reaction medium being an aqueous solution. The borate is obtained by calcining the precursor.

Improvements with the tubes with electric shock

FLUORESCENT LAMP FOR LIVESTOCK FEED

A fluorescent lamp for livestock feed. The lamp consists of an optical glass envelope(1), a phosphor layer(2), a discharge cavity(3), a power coupler(4), a titanium-amalgam(5) and a high-frequency connecting line(6). The optical glass envelope(1) can prevent the part of UV-C ultraviolet, and titanium dioxide optical catalyst can be contained in the glass or on the surface of the glass which has a very high ultraviolet transmittance for iddle-length-wave ultraviolet ray. The phosphor of the phosphor layer(2) contains at least one composition below: the rare-earth ion or alkaline earth metal transition elements ion-activated borate system, phosphate system, aluminate system, silicate system. The high-frequency discharge is used to excite the phosphor in order to irradiate light, which has advantages below: the response speed of the lamp is high, the life of the lamp is long, the light output of the lamp is not affected by the voltage, the light output of the lamp is constant and the light ...

Sunscreen additives for enhancing vitamin D production

Sunscreen additives for enhancing vitamin D production are provided herein. A method includes selecting phosphor materials to incorporate into zinc oxide particles, wherein the phosphor materials are capable of carrying out an up-conversion process whereby two or more photons absorbed by the zinc oxide particles and/or the phosphor materials within a first wavelength range are emitted as at least one photon within a second wavelength range. The method also includes incorporating the selected phosphor materials into the zinc oxide particles. A composition includes zinc oxide particles suspended within a medium of a sunscreen composition, and phosphor materials incorporated into the zinc oxide particles, wherein the phosphor materials are capable of carrying out an up-conversion process whereby two or more photons absorbed by the zinc oxide particles and/or the phosphor materials within a first wavelength range are emitted as at least one photon within a second wavelength range.

Process for producing quantum splitting phospors

Красноизлучающий термически стабильный фотолюминофор BaBi(BO)Euдля чипов светодиодов

FIELD: physics. SUBSTANCE: invention relates to production of radiation sources and relates to a red-emitting thermally stable photoluminescent Ba 3 Bi 2 (BO 3 ) 4 for LED chips. Photoluminescent Ba 3 Bi 2 (BO 3 ) 4 is doped with Eu 3+ ions and belongs to family M 3 Ln 2 (BO 3 ) 4 , where M=Ba, and the lantanoids (Ln) are substituted with trivalent bismuth. At that, Ba 2+ and Bi 3+ cations are disordered in three crystallographically nonequivalent positions of Ba 3 Bi 2 (BO 3 ) 4 crystal structure. EFFECT: technical result consists in increasing optimal concentration of dopant ions and eliminating the need to use rare-earth ions in the crystalline structure of the photoluminescent matrix. 3 cl, 6 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 722 343 C1 (51) МПК C09K 11/63 (2006.01) C09K 11/77 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК C09K 11/63 (2020.02); C09K 11/7712 (2020.02) (21)(22) Заявка: 2019141216, 11.12.2019 (24) Дата начала отсчета срока действия патента: Дата регистрации: 29.05.2020 (45) Опубликовано: 29.05.2020 Бюл. № 16 R U 2 7 2 2 3 4 3 (56) Список документов, цитированных в отчете о поиске: Шаблинский А.П. и др. "Распределение ионов допантов Eu3+ в кристаллической структуре новых люминофоров Sr3Bi2(BO3)4 и Ba3Bi2(BO3)4", Тезисы докладов XVII Всероссийской молодежной научной конференции с элементами научной школы "ФУНКЦИОНАЛЬНЫЕ МАТЕРИАЛЫ: СИНТЕЗ, СВОЙСТВА, ПРИМЕНЕНИЕ", 2018 г., стр. 121. Sergey N. Volkov и др. "Synthesis, crystal (см. прод.) (54) Красноизлучающий термически стабильный фотолюминофор Ba 3 Bi 2 (BO 3 ) 4: Eu 3+ для чипов светодиодов (57) Реферат: Изобретение относится к области допирован ионами Eu3+ и принадлежит к производства источников излучения и касается семейству M3Ln2(ВО3)4, где М=Ва, а лантаноиды красноизлучающего термически стабильного (Ln) замещены трехвалентным висмутом. При фотолюминофора Ba3Bi2(ВО3)4 для чипов этом катионы Ва2+ и Bi3+ разупорядоченно ...

НОВЫЕ МАТЕРИАЛЫ, ИСПОЛЬЗУЕМЫЕ ДЛЯ ИЗЛУЧЕНИЯ СВЕТА

1. Люминесцентная композиция, излучающая электромагнитное излучение, когда она подвергается стимулирующему воздействию соответствующего электронного и/или электромагнитного излучения, представляющая собой материалы в твердом состоянии на основе анионных матриц, характеризующаяся тем, что эти матрицы модифицированы путем легирования анионными солями редкоземельных металлов и/или щелочных металлов, где выбор аниона (анионов) в этих материалах, который (которые) далее называются примесями, намеренно отличается от аниона (анионов) в анионной матрице основного вещества, причем указанное легирование является результатом намеренного введения указанных примесей, как показано конечным составом композиции, не является случайным или не является результатом включения загрязняющей примеси из-за использования расплавов в процессе приготовления. ! 2. Люминесцентная композиция по п.1, отличающаяся тем, что анионная матрица представляет собой оксид, а легирующая анионная соль является фторидом, или наоборот. ! 3. Люминесцентная композиция по п.1, также содержащая вторичный катион, не являющийся катионом щелочноземельных металлов, такой, как бор, кремний и алюминий, вследствие чего материалы оксидной матрицы являются боратами, силикатами или алюминатами, либо их смешанными системами. ! 4. Люминесцентная композиция по п.1, где катионной примесью является европий и один или более чем один другой элемент. ! 5. Люминесцентная композиция по п.1, полученная с использованием технологий производства твердых продуктов, включая, но не обязательно, осаждение, «встряхивание и спекание» и золь-гель-процесс. ! 6. Люминесцентная композиц� РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2007 142 140 (13) A (51) МПК C09K 11/77 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ, ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21), (22) Заявка: 2007142140/15, 20.04.2006 (71) Заявитель(и): ЕТеХ АГ (CH), Технише Университет Вьен (AT) (30) Конвенционный приоритет: 20.04.2005 US 60/672,986 24.05.2005 ...

Preparation of Water-resistant Luminous Pigment

A process for preparing a water resistant luminous pigment is characterized in that a luminous pigment, in which an oxide matrix comprising at least one element selected from Mg, Ca, Sr, Ba and Zn and at least one element selected from B, Al, P and Ga is doped with at least one rare-earth metal element, is subjected to an acid treatment under the pH of not more than 3 using at least one acidic compound selected from acids and acid generating compounds, and is subsequently subjected to an analkaline treatment under the pH 4-9 using at least one alkaline compound selected from alkalis and alkali generating compounds.

Phosphor blend having a phosphor containing boron and rare-earth metals, methods of making and light sources incorporating the same

A phosphor blend comprising (a) a phosphor having a formula of AB3O6:Ce, Mn; wherein A is at least a rare-earth metal other than cerium; (b) a red light-emitting phosphor; and (c) a blue light-emitting phosphor. The phosphor blend can be used in light sources and displays. Also shown is methods for making the phosphor having a formula of AB3O6:Ce, Mn.

RARE EARTH BORATE AND ITS PRECURSOR, PREPARATION PROCESSES AND USE OF BORATE AS LUMINOPHORE

La présente invention concerne un borate de terre rare, un précurseur de cel ui- ci, leurs procédés de préparation et l'utilisation de ce borate comme luminophore. Le borate de terre rare et son précurseur sont caractérisés en ce qu'ils se présentent sous forme de particules cubiques, parallélépipèdiques ou sphériques et en ce qu'ils présentent un indice de dispersion d'au plus 0,8. Selon un mode de réalisation de l'invention, le borate est un luminophore rouge. Le procédé de préparation d u précurseur est caractérisé en ce qu'on fait réagir un carbonate ou un hydroxycarbonate de terre rare avec de l'acide borique, le milieu réactionnel se présentant sous forme d'une solution aqueuse. On obtient le borate en calcinant le précurseur.

PROCESS FOR PREPARING WATER RESISTANT LUMINOUS PIGMENTS

A process for preparing a water resistant luminous pigment with durability, characterized in that a luminous pigment, in which an oxide matrix comprising at least one element selected from the group consisting of Mg, Ca, Sr, Ba and Zn and at least one element selected from the group consisting of B, A1, P and Ga is doped with at least one rare-earth metal element, is subjected to an acid treatment under the condition of pH of not more than 3 using at least one acidic compound selected from the group consisting of acids and acid generating compounds, and is subsequently subjected to an alkaline treatment under the condition of pH 4-9 using at least one alkaline compound selected from the group consisting of alkalis and alkali generating compounds. 32 ...

Method for producing rare earch borates and use of resulting borates in luminescence

Borate luminescent materials, preparation methods and uses thereof

NOVEL MIXED BORATES RARE-EARTH, THEIR PREPARATION AND APPLICATION AS PHOSPHORS

METHOD OF PREPARATION OF RARE EARTH BORATES AND USE OF THE BORATESOBTENUS IN LUMINESCENCE

IMPROVEMENTS WITH THE LUMINESCENT SCREENS, IN PARTICULAR FOR X-RADIATION

NOUVEAUX BORATES MIXTES A BASE DE TERRES RARES, LEUR PREPARATION ET LEUR APPLICATION COMME LUMINOPHORES

BORATES MIXTES DE FORMULE I: M(II)EU(II)M(III)EU(III)TB(III)BO (I) DANS LAQUELLE: M(II) REPRESENTE AU MOINS UN METAL DIVALENT CHOISI PARMI LE BARYUM, LE STRONTIUM, LE PLOMB ET LE CALCIUM, ETANT ENTENDU QUE, DANS UN BORATE MIXTE DONNE, LE PLOMB ET LE CALCIUM, CONSIDERES ENSEMBLE, NE REPRESENTENT PAS PLUS DE 20 EN MOLES PAR RAPPORT AU NOMBRE TOTAL DE MOLES DES METAUX M(II); -M(III) REPRESENTE UN METAL CHOISI PARMI LE LANTHANE, LE GADOLINIUM, L'YTTRIUM, LE CERIUM ET LE BISMUTH; -X EST UN NOMBRE SUPERIEUR OU EGAL A ZERO ET INFERIEUR OU EGAL A 0,2; -P, Q ET R REPRESENTENT CHACUN UN NOMBRE POUVANT VARIER DE 0 A 1, ETANT ENTENDU QUE, POUR UN BORATE DONNE: -L'UN AU MOINS DES NOMBRES Q ET R EST NUL; -L'UN AU MOINS DES NOMBRES X ET Q EST NUL; -L'UN DES NOMBRES X, Q ET R EST DIFFERENT DE ZERO; -ET LA SOMME PQR EST EGAL A 1; LEUR PROCEDE DE PREPARATION, ET COMPOSITION LUMINESCENTE LES CONTENANT.

luminescent screen

Luminescent substance and screen

METHOD OF PREPARATION OF RARE EARTH BORATES AND USE OF BORATES OBTAINED IN LUMINESCENCE

The invention relates to a method for producing rare earth borates and to the use of said borates in luminescence. The production method is characterized in that it comprises the following steps: mixing boric acid and a rare earth salt; reacting the resulting mixture with a carbonate or a bicarbonate; and calcinating the resulting precipitate.

METHOD FOR PRODUCING RARE EARTH BORATES AND USE OF THE RESULTING BORATES IN LUMINESCENCE

LUMINESCENT MIXED BORATES BASED ON RARE EARTHS

Monophase crystalline mixed borates having the formula: M(II)1-xEu(II)xM(III)pEu(III)qTb(III)rB9O16 wherein M(II) is at least one bivalent metal selected amongst barium, strontium, lead and calcium, it being understood that, in a given mixed borate, the lead and the calcium, together represent not more than 20% by moles based on the total number of moles of metals M(II); M(III) is a metal selected amongst lanthanum, gadolinium, yttrium, serium, lutetium and bismuth; x is a number higher or equal to zero and smaller than or equal to 0.2; p, q and r represent each a number which may vary from 0 to 1, it being understood that, for a given borate: one of the numbers x, q and r is different from zero; and the sum p + q + r equals 1; preparation method and luminescent composition containing them.

THERMOLUMINESZENZ-STOFF FUER DIE STRAHLUNGSDOSIMETRIE, SOWIE VERFAHREN ZU SEINER HERSTELLUNG

Herstellung und Verwendung von in-situ-modifizierten Nanopartikeln

Die vorliegende Erfindung betrifft Verfahren zur Synthese von Nanopartikeln, insbesondere von Metallsalznanopartikeln, und insbesondere die chemische Modifizierung deren Oberflächen. DOLLAR A Erfindungsgemäß wird die Zugabe eines Mofizierungsreagenz zur Synthesemischung vorgeschlagen, das sich mit einer ersten funktionalen Gruppe an die Nanopartikeloberfläche anlagert und eine zweite funktionale Gruppe zur Bindung an je nach späterer Verwendung der Nanopartikel spezifisch ausgewählte Moleküle trägt. Somit entfällt ein postsynthetischer, separater anwendungsspezifischer Modifikationsschritt. Vorteilhafterweise ist eine dritte funktionale Gruppe vorsehbar. Eine neue Substanzklasse, die Iminobis(methylenphosphono)carbonsäurepentaalkylester sind dafür besonders geeignet. Die besondere Leistung dieser Modifizierungsreagenzien besteht vor allem darin, dass sie das Wachstum der Nanopartikel gezielt gesteuert zulassen und gleichzeitig während der Synthes (in situ) die Oberfläche der wachsenden Nanopartikel so modifizieren, dass die Teilchen sich sehr gut in einer Vielzahl von Lösungsmitteln lösen lassen, und funktionelle Gruppen zur Ankopplung von Molekülen tragen, wodurch die Teilchen nach ihrer Synthese gleich eine gewisse Allround-Brauchbarkeit besitzen. The present invention relates to methods for the synthesis of nanoparticles, in particular metal salt nanoparticles, and in particular to the chemical modification of their surfaces. DOLLAR A According to the invention, the addition of a modification reagent to the synthesis mixture is proposed, which attaches to the nanoparticle surface with a first functional group and carries a second functional group for binding to molecules specifically selected depending on the later use of the nanoparticles. This eliminates the need for a post-synthetic, separate application-specific modification step. A third functional group can advantageously be provided. A new class of substances, the iminobis (methylenephosphono) carboxylic ...

Ultraviolet-Excited White Phosphorus And Light-Emitting Devices That Use This Phosphor

Ultraviolet excited white phosphor and light emitting devices thereof

An ultraviolet-excited phosphor is composed of a dysprosium and thulium-activated rare-earth aluminum, scandium borate that is represented by a general formula (Y1-x-yTmxDyy)Al3-zScz(BO3)4 (where 0 < (x+y) & 1, 0 & z & 3). This phosphor, when irradiated by ultraviolet light having a wavelength of 350 nm or less, can produce white light having composed of the wavelengths 451, 455, 470, 474, 481, 485, 564, 567, 571, 574, 579 and several peaks in the range of Ò5 nm around these wavelengths with higher efficiency and stronger emitted intensity, having a colour temperature of approximately 4600 - 10000 K.

RADIOTHERMOLUMINESCENT MATERIALS

Fluorescent rare earth compounds

A luminescent crystalline compound comprises Rk(TmOm)l, where R is a rare earth, atomic number 57-71, T is a transition metal, atomic number 21-30, 39-48, 57-80, or is Be, B, Al, Si, Ge, As, In, Sb, Te, Tl, Bi or Po, and O is oxygen; K and l are 1, 2 or 3, m is 1-5, and n is 3-12, to satisfy the vallency requirements of the compound. The phospher may be prepared by cooling a melt formed with an alkali metal halide flux. Specific examples include Eu2(WO4)3 (red-emitting), Ce2WO7, Dy2(WO4)3, Tb2(WO4)3 (green emitting), Gd2-(WO4)3, Sm2(WO4)3, EuAl3O6, Eu2(GeO3)3, Eu2-SiO5, Eu(TaO3)3, Eu2(BO3)2, Eu2(WO4)3, La2-WO6, PrWO5, Eu(MoO4)3 and EuVO4.ALSO:A luminescent crystalline compound comprises Rk(TmOn)l, where R is a rare earth, atomic number 57-71, T is a transition metal, atomic number 21-30, 39-48, 57-80 or is Be, B, Al, Si, Ge, As, In, Sb, Te, Tl, Bi or Po, and O is oxygen; K and l are 1, 2 or 3, m is 1-5, and n is 3-12, to satisfy the valency requirements of the compound. The phosphor may ...

COLOR ELECTROLUMINESCENT DISPLAYS

RADIOTHERMOLUMINESCENCE DOSIMETERS AND MATERIALS THEREFOR

BORATE OF LANTHANUM, LUTECIUM, YTTRIUM OR GADOLINIUM INCLUDING/UNDERSTANDING DEUXDOPANTS AND ITS PRECURSOR, USE IN the SYSTEMS HAS PLASMA OR HAS X-RAYS

PROCEEDED OF PREPARATION Of a RARE EARTH BORATE BY REACTION Of AT LEAST a SALT OF RARE EARTH, BORIC ACID AND a BASE

IMPROVEMENTS WITH THE LUMINESCENT SCREENS, IN PARTICULAR FOR X-RADIATION

BORATE LUMINESCENT MATERIALS, PREPARATION METHODS AND USES THEREOF

Borate luminescent materials, preparation methods and uses thereof are provided. The luminescent materials are represented by the general formula: (In1-xRex)BO3:zM, wherein Re is one or two selected from Tm, Tb, Eu, Sm, Gd, Dy and Ce, M is one or two selected from metal nano particles of Au, Ag, Pt or Pd, 0 Подробнее

LOW-MERCURY-CONSUMING FLUORESCENT LAMPS

A low mercury consumption electric lamp is provided having a layer of a luminescent material which contains a phosphor blend having (1) about 50% by weight of the phosphor blend of a halophosphate phosphor wherein the average particle size of about 25% to 35% or more of the phosphor particles is about 3.3 to 4.0 microns or less, and (2) optionally, an intermediate layer of a Y, Sr, and borate material between the lamp surface and the phosphor layer.

LUMINOPHORE COMPOSITION FOR UV-VISIBLE LIGHT CONVERSION AND LIGHT CONVERTER OBTAINED THEREFROM

A luminophore composition comprising amorphous aluminoborate powders is disclosed. The composition is obtainable by preparing an aluminoborate resin by a wet chemical route based on precursors solutions substantially free from monovalent and divalent cations; drying the resin to obtain a solid; grinding the solid to obtain a powder; pyrolyzing the powder at a pyrolysis temperature lower than the crystallization temperature of the composition; and calcinating the powder so pyrolyzed at a calcination temperature lower than the crystallization temperature of the composition. Furthermore, a process for the preparation of said composition is disclosed. The composition is particularly suitable for use in solid-state lighting, and for example for converting UV light into warm white visible light.

LUMINESCENT SCREEN

Phosphor blends containing boron and rare-earth metals, and light sources incorporating the same

Phosphors containing boron and rare-earth metals, and light sources incorporating the same

Phosphors containing boron and rare-earth metals, and light sources incorporating the same

COLOR ELECTROLUMINESCENT DISPLAYS

The present invention is directed to color electroluminescent displays comprising a novel sub-pixel structure and method for making the same. The sub- pixel structure has an electroluminescent phosphor, which emits blue light, and a photoluminescent phosphor, which emits at least one other color as a result of absorption of the blue light. The invention is also directed to novel photoluminescent phosphor materials.

PROCEEDED OF PREPARATION Of a RARE EARTH BORATE BY REACTION Of AT LEAST a SALT OF RARE EARTH, BORIC ACID AND a BASE

The invention concerns a method for preparing a rare earth borate by reacting at least one rare earth salt, boric acid and a base. This method is characterised in that a reaction is carried out using excess acid with respect to stoichiometry and in conditions such that the pH of the reaction medium at the end of the reaction is between 6 and 8, the resulting precipitate is recuperated and calcined. The borate obtained has a good phasic purity and can be used as luminophore.

Mn2+ activated green emitting SrAl12O19 luminescent material

A SrAl12O19 green luminescent material is doped with Mn2+ activator ions and at least one trivalent rare earth sensitizer ion species. Preferably, the material contains four rare earth ions: Ce3+, Pr3+, Gd3+ and Tb3+. Optionally, a portion of the aluminum may be substituted with magnesium. The material may be used as a display device or lamp phosphor or as an X-ray diagnostic or laster scintillator.

RARE EARTH BORATE AND ITS PRECURSOR, THEIR METHODS OF PREPARATION AND the USE OF BORATE LIKE LUMINOPHORE

LUMINESCENT MATERIAL COMPRISING CHROMIUM (III) DOPED YTTRIUM ALUMINIUM BORATE

The invention concerns a luminescent material exhibiting a temperature-dependent luminescence decay time, wherein the luminescent material comprises chromium(III) doped yttrium aluminium borate. The luminescent material meets the chemical formula YAI3-xCrx(BO3)4 with 0.03 ≤ x ≤ 0.30, preferably 0.06 ≤ x ≤ 0.12. The luminescent material is preferably used as a temperature-sensitive component of a temperature-sensitive paint or coating or as a temperature sensing component of a temperature sensor.

METHOD AND STRUCTURE FOR NON-LINEAR OPTICS

A compound for non-linear optics for use at 350 nm and below. The compound includes a material for non-linear optics comprising AxM(1-x)Al3B4O12. x is larger than or equal to zero and smaller than or equal to 0.1, A is selected from a group consisting of Sc, Y, La, Yb, and Lu, and M is selected from a group consisting of Sc, Y, La, Yb, and Lu. The compound is free from a molybdenum bearing impurity of at least 1000 parts per million.

LUMINESCENT MIXED BORATES BASED ON RARE EARTHS

Monophase crystalline mixed borates having the formula: M(II)1-xEu(II)xM(III)pEu(III)qTb(III)rB9O16 wherein M(II) is at least one bivalent metal selected amongst barium, strontium, lead and calcium, it being understood that, in a given mixed borate, the lead and the calcium, together represent not more than 20% by moles based on the total number of moles of metals M(II); M(III) is a metal selected amongst lanthanum, gadolinium, yttrium, serium, lutetium and bismuth; x is a number higher or equal to zero and smaller than or equal to 0.2; p, q and r represent each a number which may vary from 0 to 1, it being understood that, for a given borate: one of the numbers x, q and r is different from zero; and the sum p + q + r equals 1; preparation method and luminescent composition containing them.

Method and structure for non-linear optics

A compound for non-linear optics for use at 350 nm and below. The compound includes a material for non-linear optics comprising A_xM_(1-x)Al₃B₄O₁₂. x is larger than or equal to zero and smaller than or equal to 0.1, A is selected from a group consisting of Sc, Y, La, Yb, and Lu, and M is selected from a group consisting of Sc, Y, La, Yb, and Lu. The compound is free from a molybdenum bearing impurity of at least 1000 parts per million.

METHOD FOR PRODUCING RARE EARTH BORATES AND USE OF THE RESULTING BORATES IN LUMINESCENCE

The invention relates to a method for producing rare earth borates and to the use of said borates in luminescence. The production method is characterized in that it comprises the following steps: mixing boric acid and a rare earth salt; reacting the resulting mixture with a carbonate or a bicarbonate; and calcinating the resulting precipitate.

Erdalkaliborat-Leuchtstoff

Verfahren zur Herstellung von Quantum-Teilungsphosphoren

VERFAHREN ZUR HERSTELLUNG EINES SELTENEN - ERDBORATS DURCH DIE REAKTION VON WENIGSTENS EINEM SELTENEN ERDSALZ UND EINER BASE

Process for preparing water resistant luminous pigments

NOVEL MATERIALS USED FOR EMITTING LIGHT

An luminescent composition comprises a mixture of two or more materials, emitting electromagnetic radiation when subject to stimuli, wherein the spectral emission is not calculable at a first approximation as the simple weighted sum of the spectral emissions of the materials independently subject to said stimuli. Especially advantageous compositions are achieved if the anionic matrix is an oxide and the doping anionic salt is a fluoride or vice versa.

LUMINESCENT BORATES, MATERIALS AND ARTICLES INCORPORATING SUCH BORATES, AND METHODS AND APPARATUS FOR THEIR PRODUCTION AND USE IN ARTICLE AUTHENTICATION

Embodiments include luminescent materials and associated production methods. The material includes a crystal borate having a first substitutable element and a second substitutable element, one or more rare earth ions substituted for the first substitutable element, and chromium substituted for the second substitutable element. The one or more rare earth ions are selected from a group consisting of neodymium and ytterbium. The material also may include a medium within which particles of the borate are incorporated. The medium, with the luminescent material particles, may form a security feature of an article. Embodiments of methods for identifying whether such a luminescent material is incorporated with an article include exposing a portion of the article to excitation in a chromium absorption band, and determining whether a detected emission produced by the article as a result of the excitation indicates an ytterbium emission after termination of the exposing step. 1. A luminescent material comprising:a borate having a crystal structure and including a first substitutable element and a second substitutable element;one or more rare earth ions substituted for the first substitutable element, wherein the one or more rare earth ions are selected from a group consisting of neodymium and ytterbium; andchromium substituted for the second substitutable element.2. The luminescent material of claim 1 , wherein the borate has a formula MeXBO claim 1 , whereinMe is the first substitutable element, which is selected from a group consisting of yttrium, lanthanum, gadolinium, lutetium, and a mixture thereof,X is the second substitutable element, which is selected from a group consisting of aluminum, scandium, and gallium,B is boron, andO is oxygen.3. The luminescent material of claim 1 , wherein the borate has the formula YAlBO claim 1 , where Y is the first substitutable element yttrium claim 1 , Al is the second substitutable element aluminum claim 1 , B is boron claim 1 , and O ...

Borate luminescent materials, preparation methods and uses thereof

Borate luminescent materials, preparation methods and uses thereof are provided. The luminescent materials are represented by the general formula: (In 1-x Re x )BO 3 :zM, wherein Re is one or two selected from Tm, Tb, Eu, Sm, Gd, Dy and Ce, M is one or two selected from metal nano particles of Au, Ag, Pt or Pd, 0 <x≦ 0.5, 0 <z≦ 1×10 −2 . Compared to the luminescent materials in the prior art, the said luminescent materials have higher luminous intensity and luminous efficiency, which can be used in field emission displays or light source.

Luminophore composition for uv-visible light conversion and light converter obtained therefrom

A luminophore composition comprising amorphous aluminoborate powders is disclosed. The composition is obtainable by preparing an aluminoborate resin by a wet chemical route based on precursors solutions substantially free from monovalent and divalent cations; drying the resin to obtain a solid; grinding the solid to obtain a powder; pyrolyzing the powder at a pyrolysis temperature lower than the crystallization temperature of the composition; and calcinating the powder so pyrolyzed at a calcination temperature lower than the crystallization temperature of the composition. Furthermore, a process for the preparation of said composition is disclosed. The composition is particularly suitable for use in solid-state lighting, and for example for converting UV light into warm white visible light.

Forehearth Frits, Pearls And/Or Concentrates For Fluorescence

The present invention relates to the field of forehearth fits, pearls, and/or concentrates for use in glass compositions. In particular, the present invention provides a system of forehearth frits, pearls, and/or concentrates that is capable of parting a fluorescent effect to a glass composition by adding a fluorescent glass fit, pearl or concentrate in the forehearth of a glass furnace, to form fluorescent glass and a method of using the fluorescent system of forehearth fits, pearls, and/or concentrates.

RED EMITTING PHOSPHOR FOR PLASMA DISPLAY PANELS AND GAS DISCHARGE LAMPS

The invention provides a lighting unit () comprising (1) a vacuum ultraviolet (VUV) radiation based source of radiation () configured to generate VUV radiation (), and (2) a luminescent material () configured to convert at least part of the VUV radiation into visible luminescent material light (), wherein the luminescent material comprises a trivalent praseodymium containing material selected from the group consisting of (ZrHfPr)(SiP)0, (ZrHfPr)((PS)0), and (ZrHPr)((BX))O), with x in the range of 0.0-1.0 and y being larger than 0 and being equal to or smaller than 0.15. 1. A lighting unit comprising (1) a vacuum ultraviolet (VUV) radiation based source of radiation configured to generate VUV radiation , and (2) a luminescent material configured to convert at least part of the VUV radiation into visible luminescent material light , wherein the luminescent material comprises a trivalent praseodymium containing material selected from the group consisting of (ZrHfPr)(SiP)O , (ZrHfPr)((PS)O) , and (ZrHfPr)((BS))O) , with x in the range of 0.0-1.0 , y being larger than 0 and being equal to or smaller than 0.15 and 1−x−y>=0.2. The lighting unit according to claim 1 , wherein x is 0 and wherein y is in the range of 0.01-0.1.3. The lighting unit according to claim 1 , wherein the luminescent material at least comprises (ZrHfPr)(SiP)O.4100. The lighting unit according to claim 1 , wherein the lighting unit () is a plasma display panel.5. The lighting unit according to claim 1 , wherein the lighting unit is a dielectric barrier (DB) discharge lamp comprising a discharge vessel containing the luminescent material.6. The lighting unit according to claim 5 , further comprising an optical sensor configured to measure the luminescent material light in at least part of the wavelength range of 550-700 nm and configured to generate a corresponding sensor signal claim 5 , and a control unit claim 5 , configured to determine from the sensor signal the temperature within the discharge ...

一种铋掺杂硼酸盐蓝色荧光粉及其制备方法和应用

本发明公开了一种铋掺杂硼酸盐蓝色荧光粉，化学组成通式为Ba 2 Y 5(1‑x) B 5 O 17 :xBi 3+ ，其中x为摩尔分数，且0.025≤x≤0.002。本发明还公开了上述荧光粉的制备方法，包括以下步骤：(1)按化学组成通式分别称取含钡化合物原料、含钇化合物原料、含硼化合物原料和含铋化合物原料，研磨混合均匀；(2)将混合物在400‑600℃预烧，冷却至室温后，研磨混匀；(3)然后在1100‑1300℃煅烧，随炉冷却至室温后，研磨即得所需样品。本发明同时还公开了上述荧光粉的应用。本发明的荧光粉在紫外区有吸收，在可见区无吸收，发射在蓝光区，且激发和发射可调，能够满足近紫外激发产生蓝光发射的要求。

Borate luminescent material and method for producing the same

Alkali-earth Phosporus Nitride system phosphor, manufacturing method thereof and light emitting devices using the same

본 발명은 형광체 및 형광체를 이용한 발광장치에 관한 것으로서, 더욱 상세하게는 모체로서 희토류 금속, 알칼리토류금속 및 포스파이드를 포함하고 활성체로서 유로피윰을 포함하는 포스포러스 나이트라이드계 형광체, 이의 제조방법, 및 이를 채용한 발광장치를 제공하여, 발광소자로부터 방출되는 청색 또는 자외선광으로부터 여기되어 발광하는 형광체의 가변혼색에 의해 다양한 색의 발광장치를 구현할 수 있는 장점이 있다. The present invention relates to a phosphor and a light emitting device using a phosphor, and more particularly, a phosphorus nitride-based phosphor comprising a rare earth metal, an alkaline earth metal and a phosphide as a parent, and a europium as an active agent, a method of manufacturing the same By providing a light emitting device employing the same, there is an advantage that a light emitting device of various colors can be realized by variable mixing of phosphors excited and emitted from blue or ultraviolet light emitted from the light emitting device.

Pyrophoric synthesis manufacture method

본 발명은 축광성 형광체의 제조방법 및 이로 제조된 축광성 형광체에 관한 것으로, 보다 상세하게는 화학적으로 안정하고, 휘도가 우수한 축광성 형광체의 제조방법에 관한 것이다. The present invention relates to a method for producing a photoluminescent phosphor and a photoluminescent phosphor prepared therefrom, and more particularly, to a method for preparing a photoluminescent phosphor which is chemically stable and excellent in brightness. 본 발명은 칼슘화합물, 지르코늄화합물과 부활제로 Pr을 첨가/혼합하는 혼합단계와, 상기 혼합물의 반응을 촉진시키는 융제(flux)로서 붕소산(H 3 BO 3 )을 첨가한 후에 혼합하여 볼밀 하는 볼밀단계와, 상기 붕소산을 첨가한 혼합물을 1차 소성하고, 진공 분위기 및 약한 환원 분위기에서 2차 소성하는 소성단계와, 상기 부활제가 화학적으로 결합하여 장잔광을 갖는 형광체인 화학식Ca 1-x ZrO 3 :Pr x (0.001≤x≤0.01)을 생성하는 생성단계로 이루어진 것을 특징으로 한다. The present invention provides a ball mill for mixing and mixing a calcium compound, a zirconium compound and a Pr as an activator, and then mixing the ball mill after adding boric acid (H 3 BO 3 ) as a flux to promote the reaction of the mixture. step and the boron and the mixture was added the acid primary firing, vacuum atmosphere, and weak in a reducing atmosphere and the sintering step of the secondary sintering, the resurrection I chemically Chapter phosphor of the formula Ca 1-x ZrO having an afterglow in combination 3 : It is characterized in that the production step of generating a Pr x (0.001≤x≤0.01). 칼슘화합물, 지르코늄화합물, 붕소산, 부활제 Calcium compounds, zirconium compounds, boric acid, activator

Light Emitting Device Similar To Sunlight Spectrum Up To Visible-NIR Boundary

본 발명은 태양광에 근접한 스펙트럼을 갖는 LED 발광 소자에 관한 것이다. 본 발명은 350nm~420nm의 여기 파장을 방출하는 LED 칩; 상기 LED 칩에 의해 여기되어 400~490 nm 파장 범위에서 복수의 발광 피크 파장을 갖는 제1 형광체군; 상기 LED 칩 또는 상기 제1 형광체의 발광 파장에 의해 여기되어 490~690 nm 파장 범위에서 복수의 발광 피크 파장을 갖는 제2 형광체군; 및 상기 제1 형광체의 발광 파장에 의해 여기되어 700~900 nm의 발광 피크 파장을 갖는 제3 형광체를 포함하는 것을 특징으로 하는 발광 소자를 제공한다.

Near-infrared fluorescent powder and light-emitting device containing the fluorescent powder

본 발명은 발광 재료 기술 분야에 속하는 것으로, 특히는 근적외선 형광 분말에 관한 것이며, 그 제조 방법 및 상기 형광 분말을 함유하는 발광 장치를 더 공개하였다. 본 발명의 상기 근적외선 형광 분말은 구성식이 A x R p O r 인 무기 화합물을 포함하고, 상기 화합물은 A x R p O r 구조를 기질로 하며, 특정된 희토류 이온 또는 전이 금속 이온을 혼합하는 것을 통해, 제조된 형광 분말의 여기 피크는 350 내지 750nm에 위치하고, 자외광, 블루 레이 또는 적색 광의 여기하에 광폭 방출을 구현하며, 방출 메인 피크는 700 내지 1600nm에 위치한다. 이온 대체 등 방식을 통해 고용체를 구축하고, 결정 전기장 분열의 영향으로 인해, 상이한 방출 파장의 근적외선 형광 분말 재료를 제조할 수 있고, 형광 분말의 발광 강도를 향상하였을 뿐만 아니라, 스펙트럼의 조절 제어 가능성을 실현하였으며, 그 응용 범위를 더욱 확대하였다. The present invention belongs to the field of light emitting material technology, and more particularly relates to a near-infrared fluorescent powder, and a method for manufacturing the same and a light emitting device containing the fluorescent powder are further disclosed. The near-infrared fluorescent powder of the present invention includes an inorganic compound having a constitutional formula of A x R p O r , the compound has an A x R p O r structure as a substrate, and a specified rare earth ion or transition metal ion is mixed. Through this, the excitation peak of the prepared fluorescent powder is located at 350 to 750 nm, realizes wide emission under excitation of ultraviolet light, blue-ray or red light, and the emission main peak is located at 700 to 1600 nm. By constructing a solid solution through ion substitution, etc., and due to the effect of crystal electric field splitting, it is possible to prepare near-infrared fluorescent powder materials with different emission wavelengths, and not only to improve the emission intensity of the fluorescent powder, but also to increase the controllability of the spectrum. It has been realized, and the scope of its application has been further expanded.

Production and use of in situ modified nanoparticles

Boron nitride-based phosphor and method for preparing thereof

PURPOSE: A boron nitride-based phosphor is provided to be synthesized at low temperature, to have high reliability, excellent color coordination, color temperature, and color rendering index. CONSTITUTION: A boron nitride-based phosphor is in chemical formula 1: Mx By Nz : Aw. In chemical formula 1, 0ΔxΔ10, 0<yΔ10, 0<zΔ10, 0<wΔ10, and M is one or more kinds selected from family one alkali metals, alkali earth metals, transition metals, and non-transition metals, B is boron, N is nitrogen, and A is one or more selected from rare earth elements and transition metals, but in case M is transition metal, A is not transition metal. In X-ray diffraction pattern by CoKα ray, when putting the relative intensity of the diffraction peak having maximum intensity as 100%, the Bragg angle(2θ) of the X ray diffraction pattern within 26.5-27.5 ° and 31-32 ° has diffraction peak of 10% or more.

Oxynitride-based phosphor compositions and method for manufacturing the same

실시예는 산화질화물계 형광체 조성물 및 그 제조방법과, 이를 포함하는 발광소자 패키지 및 조명시스템에 관한 것이다. 실시예에 따른 산화질화물계 형광체 조성물은 A w B x O y N z :RE 2 + 의 화학식(단, 2≤w≤4, 4≤x≤6, 2≤y≤4, 4≤z≤6)으로 표현되며, A는 Li, Mg, Ca, Sr, Ba 및 La 중 적어도 하나 이상의 원소를 포함하고, B는 B(Boron), Al, Ga 및 In 중 적어도 하나 이상의 원소를 포함하고, RE는 Ce, Sm, Eu, Yb, Dy, Gd, Tm 및 Lu 중 적어도 하나 이상의 원소를 포함할 수 있다. The present invention relates to an oxynitride-based phosphor composition, a method of manufacturing the same, and a light emitting device package and an illumination system including the same. The oxynitride-based phosphor composition according to the embodiment has a composition represented by A w B x O y N z : RE 2 + (where 2 ? W? 4, 4? X? 6, 2? Y? 4, 4? Wherein A comprises at least one element selected from the group consisting of Li, Mg, Ca, Sr, Ba and La, B contains at least one element selected from the group consisting of B (boron), Al, Ga and In, RE Ce, Sm, Eu, Yb, Dy, Gd, Tm and Lu.

Method for regulating the content of gallium in scintillators based on gadolinium-gallium garnets

FIELD: medicine; chemistry.SUBSTANCE: inventions relate to inorganic chemistry and medicine and can be used during the manufacturing of scintillators. First, the powder of general formula is obtained MMMMO(1), where O is oxygen; M, M, Mand M– metals, which are different from each other; the sum of a+b+c+d is about 8; "a" is from 2 to 3.5; "b" is from 0 to 5; "c" is from 0 to 5; "d" is from 0 to 1; while "b" and "c", "b" and "d" or "c" and "d" can not be simultaneously equal to zero; Mis a rare earth element, including gadolinium, yttrium, lutetium, scandium or a combination thereof; Mis aluminum or boron; Mis gallium; Mis a coactivator, which is selected from thallium, copper, silver, lead, bismuth, indium, tin, antimony, tantalum, tungsten, strontium, barium, boron, magnesium, calcium, cerium, yttrium, scandium, lanthanum, lutetium, praseodymium, terbium, ytterbium, samarium, europium, holmium, dysprosium, erbium, thulium or neodymium. Average particle size of the powder is from 5 nm to 500 mcm. Resulting powder is heated to 500–2,000 °C for its melting, and the resulting melt – up to 800–1,700 °C in the oxygen-containing atmosphere. During the subsequent stage, polycrystals or single crystals of garnets are obtained. For example, the garnets can have the following compositions: GdAlGaO, GdGaAlO, GdYGaAlOor GdLuAlGaOand are used in the products such as the imaging device or the tomography device.EFFECT: loss of gallium decreases when the crystals are obtained.19 cl РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 670 865 C2 (51) МПК C09K 11/08 (2006.01) G01T 1/20 (2006.01) A61B 6/03 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК C09K 11/08 (2017.08); G01T 1/2012 (2017.08); A61B 6/032 (2017.08) (21)(22) Заявка: 2016146848, 30.11.2016 (24) Дата начала отсчета срока действия патента: Дата регистрации: (73) Патентообладатель(и): СИМЕНС ...

Near-infrared fluorescent powder and light-emitting device containing same

本发明属于发光材料技术领域，尤其涉及一种近红外荧光粉，并进一步公开其制备方法，以及含该荧光粉的发光装置。本发明所述近红外荧光粉包括组成式为A x R p O r 的无机化合物，该化合物以A x R p O r 结构为基质，通过掺杂特定的稀土离子或过渡金属离子，制备的荧光粉的激发峰位于350‑750nm，在紫外光、蓝光或红光激发下呈现宽带发射，发射主峰位于700‑1600nm。通过离子取代等方式构筑固溶体，由于晶体场劈裂的影响，可制得不同发射波长的近红外荧光粉材料，不仅显著提升了荧光粉的发光强度，且实现了光谱的可调控性，进一步扩大其应用范围。

Fluorescent zirconia material

Provided is a fluorescent zirconia material. When a frame (14) is fired at a high temperature of 1300-1600°C, a fluorescent property, i.e., an ability to generate fluorescence upon UV irradiation, is imparted to the frame (14) comprising zirconia, due to Eu 2 O 3 which is contained in the zirconia material constituting the frame (14). For example, when the cross section surface of the frame (14) is irradiated with a UV lamp, a black light or the like upon breakage, the frame generates fluorescence and thus shows traceability. When irradiated with a blank light, the frame (14) generates blue fluorescence and a thin part in an upper layer (18) and a part not provided therewith also have the same fluorescent property as the upper layer (18), which brings about an esthetical merit too.

Near-infrared luminous fluorophor, phosphor blends, light-emitting component and light emitting device

本发明提供一种近红外发光荧光体、荧光体混合物、发光元件以及发光装置，是能够发出良好的发光强度的新型近红外线发光荧光体。该近红外线发光荧光体由通式ScBO 3 :Cr所表示，其中，Sc的一部分可以由选自稀土元素以及第13族元素的至少一种元素所置换。

Method for producing rare earch borates and use of resulting borates in luminescence

本发明涉及一种制备稀土元素硼酸盐的方法，以及这些硼酸盐在发光中的应用。制备方法的特征在于它包括下述步骤：将硼酸和稀土元素盐混合；将所得混合物与碳酸盐或碳酸氢盐混合；煅烧所得沉淀物。

Lipid regulating instrument and light source material for lipid regulating instrument

本发明涉及医疗技术领域，尤其是一种调血脂仪器及其使用的光源材料。其中，光源材料包括荧光粉，按质量百分比，荧光粉由0.1‑100.0的紫外光荧光体和0.0‑99.9的可见光荧光体构成，紫外光荧光体由A荧光体或B荧光体单独构成或组合而成；A荧光体的化学表达式为M 1‑x‑y ·Al 11 O 19 ：Cd x R y ，B荧光体的化学表达式为M 1‑x‑y‑ z La y Mg z ·B 3 O 7 ：Pb x 。本发明可形成具有发光效率高、光衰小、化学稳定性好等特点并模拟生物光的荧光光源，荧光光源可采用光照射的方式并利用生物医学及光子学的原理对人体进行照射，由于光源材料能够发射可见光、散焦激光及UV‑B段的健康波形，因而能够有效预防、治疗血脂异常以及由此而引发的相关疾病；而基于此荧光光源所形成的调血脂仪器则具有结构简单紧凑、使用方便、治疗效果显著的特点。

Near-infrared phosphors, phosphor mixtures, light-emitting elements, and light-emitting devices

Fluorescent zirconia material

형광성 성분을 함유하며, 소정 파장의 광에 의해 여기되어 형광을 발하는 형광성 지르코니아 재료로서, 상기 형광성 성분은, Y 2 SiO 5 :Ce, Y 2 SiO 5 :Tb, (Y,Gd,Eu) BO 3 , Y 2 O 3 :Eu, YAG:Ce, ZnGa 2 O 4 :Zn, BaMgAl 10 O 17 :Eu 중 적어도 1 종을 포함하는 형광성 재료를 포함하고, 또한 상기 형광성 재료는, 산화 분위기하 1300 ∼ 1600 (℃) 의 범위 내의 온도에서 소성 처리 후에 형광을 발할 수 있는, 상기 형광성 지르코니아 재료가 제공된다. (Y, Gd, Eu) BO 3 , Y 2 SiO 5 : Ce, Y 2 SiO 5 : Tb, and a fluorescent substance , Y 2 O 3 : Eu, YAG: Ce, ZnGa 2 O 4 : Zn, and BaMgAl 10 O 17 : Eu, and the fluorescent material has a wavelength of 1300 to 1600 (C) at a temperature in the range of from about &lt; RTI ID = 0.0 &gt; 400 C &lt; / RTI &gt;

Color electroluminescent displays

The present invention is directed to color electroluminescent displays comprising a novel sub-pixel structure and method for making the same. The sub-pixel structure has an electroluminescent phosphor, which emits blue light, and a photoluminescent phosphor, which emits at least one other color as a result of absorption of the blue light. The invention is also directed to novel photoluminescent phosphor materials.

Borate luminous material and preparation method thereof

Borate luminous material is provided, wherein, comprises the compound of following structural formula: M 2 (Re 1-x Ln x ) 2 B 2 O 7 , wherein x is in a range of 0<x≦0.5, M is alkali metal element, Ln is at least one of Tm, Tb, Eu, Sm, Pr, Dy, Ce and Bi, Re is selected from one or more element of Y, Gd, Sc, Lu and La. The preparation method of borate luminous material also is provided. The borate luminous material has the advantages of good stability, high luminescence efficiency and high color purity.

A kind of YBO on activated carbon fibre surface3Crystal film and preparation method thereof

本发明公开了一种活性炭纤维表面的YBO 3 晶体薄膜及其制备方法。将等物质量的六水硝酸钇和硼酸溶于去离子水中，溶液中钇离子的摩尔浓度为0.01～0.025摩尔/升；加入摩尔数为钇离子摩尔数2.5~5倍的尿素；将活性炭纤维浸没于该溶液，并在85~100℃范围内水热处理一定时间；继而升温至210℃并保温12小时；将水热处理后的活性炭纤维清洗、干燥，获得活性炭纤维表面球形YBO 3 晶体薄膜。本发明得到的活性炭纤维表面的YBO 3 晶体薄膜，在活性炭纤维基底上结合具有各向同性形貌特征的球形YBO 3 晶体，成膜均匀，晶粒大小可调，具有稳定均一的表面性能，是制造阴极射线管、电致发光显示器、场发射显示器件等的理想材料。

A kind of LED alkaline earth transition Composite borate fluorescent powders and preparation method thereof

本发明涉及稀土发光材料技术领域，涉及荧光粉，尤其涉及一种LED用碱土过渡复合硼酸盐荧光粉及其制备方法。所述碱土过渡复合硼酸盐荧光粉的通式为：CaZr(BO 3 ) 2 :xRe，其中，CaZr(BO 3 ) 2 :xRe作为基质材料，Re为掺杂的稀土发光中心，为稀土金属Ce、Tb、Eu、Dy、Sm离子中的一种或几种的组合，其中0<x≤0.4。与现有技术相比，本发明的优点和积极效果在于，本发明所提供的LED用碱土过渡复合硼酸盐荧光粉与通常荧光粉相比，本发明的碱土过渡复合硼酸盐荧光粉不仅具有成分简单，合成温度低，原料价廉易得，而且制备方法简单，无需特殊设备，适合工业化生产，具有实用性，在白光LED照明和PDP显示等领域具有巨大的应用前景。

Lanthanum, lutetium, yttrium or gadolinium borate comprising two doping agents and its precursor, use in plasma or x-ray systems

The invention concerns a lanthanum, lutetium, yttrium or gadolinium borate comprising two doping agents, said borate precursor, and the use of said borate in plasma or X-ray systems. Said rare earth borate corresponds to the formula LnBO3, wherein Ln represents one or several rare earths selected among lanthanum, lutetium, yttrium and gadolinium, and it further comprises at least a first element selected among trivalent elements capable of capturing electrons such as europium, samarium, thulium and ytterbium and at least a second element selected among europium II and the trivalent elements capable of capturing defect electrons, such as cerium, terbium, praseodymium, bismuth, lead, antimony, chromium and iron.

Near-infrared luminescent material, preparation method and luminescent device

本发明公开了一种近红外发光材料、制备方法以及一种发光装置，近红外发光材料的化学组成为A y Q a M b O q :zD，其中，A元素为Li、Na、Be、Ca、Zn中的一种或两种；Q元素为Y、La、Lu、Gd、Sc中的一种或两种；M元素为B、Ga、In、Al、Si中的一种或两种；D元素为Cr、Yb、Er、Nd、Pr、Sm、Bi、Ce中的一种或两种；1≤y≤3，0≤a≤1，1≤b≤3，5≤q≤9，0≤z≤9。该发光材料的发射谱带表现为峰值波长在700nm～1200nm的宽带发射，有效吸收的波长范围在350nm～808nm，具有发射谱带宽，光谱可调、成本低等特点，发光装置的密封性好、体积紧凑。

Lanthanum, lutetium, yttrium or gadolinium borate comprising two doping agents and its precursor, use in plasma or x-ray systems

L'invention concerne un borate de lanthane, de lutécium, d'yttrium ou de gadolinium comprenant deux dopants, le précurseur de ce borate et l'utilisation du borate dans les systèmes à plasma ou à rayons X. Le borate de terre rare de l'invention répond à la formule LnBO3, où Ln représente une ou plusieurs terres rares choisies parmi le lanthane, le lutécium, l'yttrium et le gadolinium, et il comprend en outre au moins un premier élément choisi parmi les éléments trivalents susceptibles de capter des électrons comme l'europium, le samarium, le thulium et l'ytterbium et au moins un second élément choisi parmi l'europium II et les éléments trivalents susceptibles de capter des trous, comme le cérium, le terbium, le praséodyme, le bismuth, le plomb, l'antimoine, le chrome et le fer.

Production of quantum division type fluorescent substance and new composition

(57)【要約】 【課題】 量子分裂型蛍光体の製造方法及び新規な組成 物が要望されており、特にＰｒ 3+ を用いてホストを活性 化することによってホスト格子中に量子分裂を生起させ る方法、更にまた、Ｐｒ 3+ によって活性化された量子分 裂型蛍光体を得るための規則も要望されている。 【解決手段】 Ｐｒ 3+ の４ｆ５ｄバンドのエネルギー準 位の重心が 1 Ｓ 0 状態よりも上方に位置するようにＰｒ 3+ −配位子間の結合の共有原子価が維持され、かつホスト 格子が約５ｅＶより大きいバンドギャップを有すること を特徴とする、＋３価のプラセオジムによって活性化さ れたホスト格子を有する量子分裂型蛍光体。

Process for the preparation of water-resistant luminous pigments

Verfahren zur Herstellung eines wasserbeständigen Leuchtpigments, dadurch gekennzeichnet, daß ein Leuchtpigment, in dem eine Oxid-Matrix, die mindestens ein Element, ausgewählt aus der Gruppe bestehend aus Mg, Ca, Sr, Ba und Zn, und mindestens ein Element, ausgewählt aus der Gruppe bestehend aus B, Al, P und Ga, umfaßt, mit mindestens einem Seltenerdmetall-Element dotiert ist, einer Säurebehandlung bei einem pH-Wertvon nicht mehr als 3 unter Verwendung mindestens einer sauren Verbindung, die aus der Gruppe bestehend aus Säuren und Säure erzeugenden Verbindungen ausgewählt wird, unterwarfen wird und anschließend einer alkalischen Behandlung zur Einstellung eines pH-Wertes von 4 bis 9 unter Verwendung mindestens einer alkalischen Verbindung, die aus der Gruppe bestehend aus Alkalien und Alkali erzeugenden Verbindungen ausgewählt wird, unterworfen wird. method for producing a water resistant Luminescent pigments, characterized in that a luminescent pigment in which an oxide matrix containing at least one element selected from the group consisting of Mg, Ca, Sr, Ba and Zn, and at least one Element, selected from the group consisting of B, Al, P and Ga, comprising, with doped at least one rare earth element, an acid treatment at a pH of not more than 3 using at least an acidic compound that consists of the group consisting of acids and Acid-producing Connections selected is, is subjected to and then an alkaline treatment to set a pH of 4 to 9 using at least an alkaline compound selected from the group consisting of alkalis and Alkali-generating compounds is selected.

Bismuth-doped borate blue fluorescent powder and preparation method and application thereof

本发明公开了一种铋掺杂硼酸盐蓝色荧光粉，化学组成通式为Ba 2 Y 5(1‑x) B 5 O 17 :xBi 3+ ，其中x为摩尔分数，且0.025％≤x≤0.2％。本发明还公开了上述荧光粉的制备方法，包括以下步骤：(1)按化学组成通式分别称取含钡化合物原料、含钇化合物原料、含硼化合物原料和含铋化合物原料，研磨混合均匀；(2)将混合物在400‑600℃预烧，冷却至室温后，研磨混匀；(3)然后在1100‑1300℃煅烧，随炉冷却至室温后，研磨即得所需样品。本发明同时还公开了上述荧光粉的应用。本发明的荧光粉在紫外区有吸收，在可见区无吸收，发射在蓝光区，且激发和发射可调，能够满足近紫外激发产生蓝光发射的要求。

Self-luminous master batch composition, injection molded floorings using the same and construction method thereof

본 발명은 열가소성 수지 100 중량부, 축광안료 20 내지 80 중량부, 충전제 10 내지 30 중량부, 글라스비드 1 내지 10 중량부, 이산화티타늄 1 내지 10 중량부, 성능개선 첨가제 0.1 내지 5 중량부 및 왁스 0.1 내지 5 중량부를 포함하는 자체발광 마스터배치 조성물로서, 상기 축광안료는 황화아연(ZnS)계 축광안료인 ZnS:Cu와, 스트론튬알루미나이트(SrAl 2 O 4 )계 축광안료인 SrAl 2 O 4 :Eu 및 Al 2 O 3 -SrO 3 -B 2 O 3 을 1 내지 5: 1 내지 5:1 중량비율로 혼합한 것이고; 상기 성능개선 첨가제는 질화규소 100 중량부, 표면에 알루미나가 코팅된 그라파이트 30 내지 50 중량부, 폴리페닐렌 설파이드 30 내지 50 중량부, 트리스(2-카르복시에틸)포스핀 1 내지 10 중량부 및 하기 화학식 1로 표시되는 카르보디이미드계 화합물 0.5 내지 5 중량부를 포함하는 것을 사용함으로써; 축광안료를 함유하는 마스터배치로 사출성형되어, 원하는 형태로 성형하는 것이 용이하고, 우수한 발색, 발광효율, 수명 및 내구성을 제공하며, 시공면에 콘크리트 또는 아스팔트 몰탈과 함께 양생되거나, 열융착에 의하여 일체화됨으로써, 일반노면, 자전거도로, 공원산책로, 지하 및 옥상 주차장, 공공 운동 시설, 놀이터, 각종 테마공원, 테마동굴 및 박물관 등을 이용하는 이용자에게 우수한 시인성 및 안전성을 제공하고, 이러한 시인성의 지속성을 향상시킬 수 있는 자체발광 마스터배치 조성물, 이를 이용하여 사출성형된 바닥재 및 이의 시공방법에 관한 것이다.

Lanthanum, lutetium, yttrium or gadolinium borate comprising two doping agents and its precursor, use in plasma or x-ray systems

Green phosphor and producing method of the same

본원은 녹색 형광체, 이의 제조 방법 및 이를 포함하는 백색 LED 소자에 관한 것이다. The present invention relates to a green phosphor, a method of manufacturing the same, and a white LED device including the green phosphor.

Phosphor for radiation imaging and method for manufacturing the same

본 발명은 방사선 영상용 형광체 및 이의 제조 방법에 관한 것으로, 리튬 루테슘 보레이트를 포함하는 모체에, Eu 3 + , Tb 3 + , Sm 3 + , Tm 3 + , Pr 3 + 및 Dy 3 + 중의 어느 하나 혹은 이들 중 둘 이상을 포함하는 활성제가 도핑된 리튬 루테슘 보레이트계 방사선 영상용 형광체를 제공한다.

Method of producing nanophosphor particles

Provided is a method of producing spherical nanophosphor particles having a uniform size distribution. When nanophosphor obtained using the method is used in a flat panel display, the flat panel display has higher screen brightness and a higher resolution.

Rare-earth borate and precursor thereof, processes for their preparation and use of the borate as a luminophore

The present invention relates to a rare-earth borate, to a precursor thereof, to processes for their preparation and to the use of this borate as a luminophore. The rare-earth borate and the precursor thereof are characterized in that they are in the form of cubic, parallelepipedal or spherical particles and in that they have a dispersion index of not more than 0.8. According to one embodiment of the invention, the borate is a red luminophore. The process for the preparation of the precursor is characterized in that a rare-earth carbonate or hydroxycarbonate is reacted with boric acid, the reaction medium being in the form of an aqueous solution. The borate is obtained by calcination of the precursor.

Long life self-luminous microspheres

Efficient and safe self-luminous lighting devices for use In signs, markers, indicators and the like are provided. A plurality of glass or polymer microspheres containing both a light-emitting phosphor and a radioactive gas, wherein the soft emissions of electrons from a beta emitting gas do not penetrate the glass or polymer wall of the microspheres and pose no radiation hazard, are used. The radioactive gas completely surrounds the phosphor particles, causing light emission from all of the particle surface A plurality of individual containment microspheres minimizes the escape of radioactive gas in the event of any physical damage to an assembly of such microspheres.

Self-luminous master batch composition, injection molded floorings using the same and construction method thereof

본 발명은 열가소성 수지 100 중량부, 축광안료 20 내지 80 중량부, 충전제 10 내지 30 중량부, 글라스비드 1 내지 10 중량부, 이산화티타늄 1 내지 10 중량부, 성능개선 첨가제 0.1 내지 5 중량부 및 왁스 0.1 내지 5 중량부를 포함하는 자체발광 마스터배치 조성물로서, 상기 축광안료는 황화아연(ZnS)계 축광안료인 ZnS:Cu와, 스트론튬알루미나이트(SrAl 2 O 4 )계 축광안료인 SrAl 2 O 4 :Eu 및 Al 2 O 3 -SrO 3 -B 2 O 3 을 1 내지 5: 1 내지 5:1 중량비율로 혼합한 것이고; 상기 성능개선 첨가제는 질화규소 100 중량부, 표면에 알루미나가 코팅된 그라파이트 30 내지 50 중량부, 폴리페닐렌 설파이드 30 내지 50 중량부, 트리스(2-카르복시에틸)포스핀 1 내지 10 중량부 및 하기 화학식 1로 표시되는 카르보디이미드계 화합물 0.5 내지 5 중량부를 포함하는 것을 사용함으로써; 축광안료를 함유하는 마스터배치로 사출성형되어, 원하는 형태로 성형하는 것이 용이하고, 우수한 발색, 발광효율, 수명 및 내구성을 제공하며, 시공면에 콘크리트 또는 아스팔트 몰탈과 함께 양생되거나, 열융착에 의하여 일체화됨으로써, 일반노면, 자전거도로, 공원산책로, 지하 및 옥상 주차장, 공공 운동 시설, 놀이터, 각종 테마공원, 테마동굴 및 박물관 등을 이용하는 이용자에게 우수한 시인성 및 안전성을 제공하고, 이러한 시인성의 지속성을 향상시킬 수 있는 자체발광 마스터배치 조성물, 이를 이용하여 사출성형된 바닥재 및 이의 시공방법에 관한 것이다. In the present invention, 100 parts by weight of thermoplastic resin, 20 to 80 parts by weight of phosphorescent pigment, 10 to 30 parts by weight of filler, 1 to 10 parts by weight of glass beads, 1 to 10 parts by weight of titanium dioxide, 0.1 to 5 parts by weight of performance improving additive and wax As a self-luminous masterbatch composition containing 0.1 to 5 parts by weight, The phosphorescent pigment is zinc sulfide (ZnS)-based phosphorescent pigment ZnS:Cu, and strontium aluminite (SrAl 2 O 4 )-based phosphorescent pigment SrAl 2 O 4 :Eu and Al 2 O 3 -SrO 3 -B 2 O 3 1 to 5: 1 to 5: 1 is mixed in a weight ratio; The performance improving additive includes 100 parts by weight of silicon nitride, 30 to 50 parts by weight of graphite coated with alumina on the surface, 30 to 50 parts by weight of polyphenylene sulfide, 1 to 10 parts by weight of tris (2-carboxyethyl) phosphine and the following chemical formula By using one containing 0.5 to 5 parts by weight of the carbodiimide-based compound represented by 1; It is injection-molded with a masterbatch containing phosphorescent pigment, it is easy to mold into a desired shape, and provides excellent color development, luminous ...

Luminescent borates, materials and articles incorporating such borates, and methods and apparatus for their production and use in article authentication

实施方式包括发光材料和相关的制造方法。该材料包括具有第一可替代元素和第二可替代元素的结晶硼酸盐、替代所述第一可替代元素的一种或多种稀土离子、和替代所述第二可替代元素的铬。所述一种或多种稀土离子选自钕和镱。该材料还可包含在其内结合所述硼酸盐的颗粒的介质。该介质与所述发光材料颗粒一起可形成制品的防伪标记。识别此类发光材料是否与制品结合的方法的实施方式包括使该制品的一部分暴露在位于铬吸收带中的激发下，以及确定在暴露步骤结束后所检测到的所述制品由于所述激发而产生的发射是否指示了镱发射。

Phosphor paste coposition of plasma display panel and preparation method of the same

본 발명은 플라즈마 디스플레이 패널용 형광체 페이스트 조성물 및 이의 제조 방법에 관한 것으로서, 더욱 상세하게는 에틸 셀룰로오스와 (메타) 아크릴 수지의 혼합중량비가 20:80 내지 80:20인 플라즈마 디스플레이 패널용 형광체 페이스트 조성물 및 이의 제조 방법에 관한 것이다. The present invention relates to a phosphor paste composition for a plasma display panel and a method of manufacturing the same, and more particularly to a phosphor paste composition for a plasma display panel in which a mixed weight ratio of ethyl cellulose and a (meth) acrylic resin is 20:80 to 80:20, and It relates to a production method thereof. 본 발명의 상기 플라즈마 디스플레이 패널용 형광체 페이스트 조성물로 제조된 형광층을 포함하는 플라즈마 디스플레이 패널은 형광체의 표면전위가 높고 형광체 페이스트의 하전량이 높고 또한 방전전압이 높아 안정한 방전특성을 나타낸다. The plasma display panel including the phosphor layer made of the phosphor paste composition for plasma display panel of the present invention exhibits stable discharge characteristics due to high surface potential of the phosphor, high charge amount of the phosphor paste, and high discharge voltage.

Color electroluminescent displays

The present invention is directed to color electroluminescent displays comprising a novel sub-pixel structure and method for making the same. The sub-pixel structure has an electroluminescent phosphor, which emits blue light, and a photoluminescent phosphor, which emits at least one other color as a result of absorption of the blue light. The invention is also directed to novel photoluminescent phosphor materials.

Color electroluminescent displays

The present invention is directed to color electroluminescent displays comprising a novel sub-pixel structure and method for making the same. The sub-pixel structure has an electroluminescent phosphor, which emits blue light, and a photoluminescent phosphor, which emits at least one other color as a result of absorption of the blue light. The invention is also directed to novel photoluminescent phosphor materials.

New NIR Broadband Emitting Phosphors for Infrared Spectroscopy

Patent RU2016146848A3

Dy (Dy)3+Activated barium strontium fluoborate yellow fluorescent powder and preparation and application thereof

本发明公开了一种Dy 3+ 激活氟硼酸锶钡黄色荧光粉及其制备与应用，该荧光粉的化学通式为Ba 3‑x Dy x Sr 2 B 4 O 10 F 2 ，x是Dy 3+ 取代Ba 2+ 的摩尔比，0.005≤x≤0.35；制备步骤是：(1)使用化学溶胶凝胶法制备不含氟的硼酸锶钡前驱体粉末Ba 2‑ x Dy x Sr 2 B 4 O 10 ；(2)在制备得到的不含氟的硼酸锶钡前驱体粉末中，加入氟化钡和氟化铵，充分混合，并将混合物压块，使用固相烧结法制备，得到一种Dy 3+ 激活氟硼酸锶钡黄发光荧光粉Ba 3‑ x Dy x Sr 2 B 4 O 10 F 2 。本发明制备的黄色荧光粉为纯相，颗粒均匀，在近紫外光390纳米激发下发出中心波长为576纳米的黄光，发光强度高，热稳定好，可用于制备以近紫外光为激发光源的照明或显示器件。

Bismuth ion doped borate narrow-band blue fluorescent powder, preparation method thereof and luminescent device

发明提供了一种铋离子掺杂的硼酸盐窄带蓝色荧光粉，化学式为：Ba 3 RE 2‑x B 6 O 15 :xBi 3+ ；其中，所述RE包括Y，Lu，Gd中的任意一种或多种的组合；0.001≤x≤0.2。本发明提供的荧光材料在近紫外光激发下发射峰值位于413nm处，半峰宽仅为35.5nm，色纯度高达97.76％。激发带从300延伸到400nm，在365nm处达到最大激发，可被近紫外光有效激发，具有高达90.6的内量子效率。并且，该系列荧光粉具有较为优异的热稳定性，在150℃时，仍可保持室温发射强度的约85％，满足实际应用的需求，可作为紫外、近紫外LED芯片的光转换材料，作为窄带的蓝光发光光源。

Infrared led

本发明涉及一种光发射装置以及所述光发射装置的用途。

Nitrogen oxides orange red fluorescent powder that a kind of thulium ion activates and preparation method thereof

本发明公开了一种铥离子激活的氮氧化物橙红色荧光粉及其制备方法，组成为Al 2‑x B 3 N 3 O 3 ：xTm 3+ ；其中，x取值0.04～0.20，通过如下步骤制成：步骤S1，按化学组成Al 2‑x B 3 N 3 O 3 的化学计量比称取原料，所述原料为三氯化铝、氮化硼和氧化铥的混合物；步骤S2，加入助熔剂进行研磨，研磨混匀得到混合物；步骤S3，将步骤S2得到的混合物装入坩埚，在高温炉内于还原气氛和1400～1600℃条件下烧结4～6小时，冷却即得；其中，助熔剂的添加量为原料重量的0.7～0.9％，所述助熔剂为碳酸钠和硫化铵的混合物，碳酸钠和硫化铵的重量比为6～8:1。本发明提供的荧光粉分散性好，发光强度高，稳定性高，这些优点与助熔剂碳酸钠和硫化铵的重量比有关，碳酸钠和硫化铵的重量比为6～8:1时，发光强度最高。

Near-infrared fluorescent powder and light-emitting device containing same

本发明属于发光材料技术领域，尤其涉及一种近红外荧光粉，并进一步公开其制备方法，以及含该荧光粉的发光装置。本发明所述近红外荧光粉包括组成式为A x R p O r 的无机化合物，该化合物以A x R p O r 结构为基质，通过掺杂特定的稀土离子或过渡金属离子，制备的荧光粉的激发峰位于350‑750nm，在紫外光、蓝光或红光激发下呈现宽带发射，发射主峰位于700‑1600nm。通过离子取代等方式构筑固溶体，由于晶体场劈裂的影响，可制得不同发射波长的近红外荧光粉材料，不仅显著提升了荧光粉的发光强度，且实现了光谱的可调控性，进一步扩大其应用范围。

Process for preparing water resistant luminous pigments

A process for preparing a water resistant luminous pigment with durability, characterized in that a luminous pigment, in which an oxide matrix comprising at least one element selected from the group consisting of Mg, Ca, Sr, Ba and Zn and at least one element selected from the group consisting of B, Al, P and Ga is doped with at least one rare-earth metal element, is allowed to an acid treatment under the condition of pH of not more than 3 using at least one acidic compound selected from the group consisting of acids and acid generating compounds, and is subsequently allowed to an alkaline treatment under the condition of pH 4-9 using at least one alkaline compound selected from the group consisting of alkalis and alkali generating compounds.

Fluorescent paste

본 발명은 형광체 페이스트에 관한 것이다. 본 발명에 따른 형광체 페이스트는, 형광체 파우더, 바인더, 산화 마그네슘(MgO) 파우더, 제1 용제 및 제2 용제를 포함하고, 제1 용제는 N-메틸-2-피롤리돈(N-methyl-2-pyrrolidone, NMP) 이고, 상기 제2 용제는 디프로필렌 글리콜 n-부틸 에테르(Dipropylene Glycol n-butyl Ether, DPnB)이다. 이에 의해 형광체 페이스트의 점도 상승을 억제하여, 형광체 도포 균일성을 확보할 수 있다. 점도, 형광체 페이스트

Ritkaföldfém-borát és prekurzora, a borát előállítási eljárásai és alkalmazása luminofórként

A találmány ritkaföldfém-bőrátőkra, ezek prekűrzőraira, előállításieljárásűkra és lűminőfórként történő alkalmazásűkra vőnatkőzik. Aritkaföldfém-bőrátők és prekűrzőraik közös jellemzője, hőgy kőcka-,paralellőpipedőn- vagy gömb alakú részecskék főrmájában vannak jelenés diszperziós indexük nem több mint 0,8. A találmány egyikmegvalósítási módja szerint a bőrátők vörös lűminőfórként viselkednek. A prekűrzőr előállítása sőrán ritkaföldfém-karbőnátőt vagy -hidrőxi-karbőnátőt bórsavval reagáltatják és reakcióközegként vizesőldatőt alkalmaznak. A találmány szerinti bőrátőt a prekűrzőrkalcinálásával állítják elő. ŕ

Rare earth borate and its precursor, preparation process and use of borate as luminophore

Mit seltenen erden aktiviertes borat und sein vorläufer, ihr herstellungsverfahren und die boratverwendung als leuchtstoff

一种近紫外/蓝光激发的铝硼/钼酸盐近红外荧光粉及制备方法

本发明提供一种近紫外/蓝光激发的铝硼/钼酸盐近红外荧光粉及制备方法，属于远红光/近红外发光技术领域，此种荧光粉的化学式为Al a B b Mo c O d :xCr 3+ 、Al a B b Mo c O d :xCr 3+ ,yEu 3+ 、Al a B b Mo c O d :xCr 3+ ,zSm 3+ 、Al a B b Mo c O d :xCr 3+ ,lYb 3+ 、Al a B b Mo c O d :xCr 3+ ,mEr 3+ 或Al a B b Mo c O d :xCr 3+ ,nNd 3+ ，其中a＝5，b＝1，c＝0，d＝9或a＝2，b＝0，c＝3，d＝12；x＝0.005‑0.15，y＝0.005‑0.15，z＝0.005‑0.15，l＝0.005‑0.20，m＝0.005‑0.15，n＝0.005‑0.15，可通过高温固相反应法和燃烧法制备。该荧光粉具有高发光效率、高热稳定性和发射光谱范围广的特点，并且可由商业近紫外芯片或蓝光芯片高效激发，可用于制作高性能近红外pc‑LEDs光源器件，广泛应用于日常生活、工业生产、探测成像、生命健康等各领域，如夜视、生物照明、食品分析、植物生长、医疗美容等。

纳米发光材料的制备方法

本发明公开了纳米发光材料的制备方法，S1：准备需要的材料，选取需要的纳米氧化镁、氧化铝、二氧化硅、矿化剂、稀土激活剂、辅助发光材料和溶剂；S2：将纳米氧化镁、氧化铝、二氧化硅、矿化剂、稀土激活剂与溶剂混合，从而制备溶液一；S3：将辅助发光材料与溶剂二进行混合，从而制备溶液二，把S2中的溶液一滴入溶液二中，从而能够制备混合液；S4：将S3中制备的混合液进行水解反应，通过水解反应能够把发光材料生生活性单体，在将活性单体进行聚合。本方法制备纳米发光材料初始亮度达到10cd/m2以上,余辉达20小以上，且发光颜色有浅黄色、浅蓝色和紫色多种，能够满足不同的需求。

一种铋离子和/或稀土离子共掺的偏硼酸钆荧光材料及合成方法

本发明公开了一种铋离子和/或稀土离子共掺的偏硼酸钆荧光材料及合成方法，是在偏硼酸钆(Gd(BO 2 ) 3 )基底中通过铋离子与稀土离子(RE 3+ )共掺杂得到具有高量子产率的光色可调荧光粉的合成方法。本方法通过高温固相反应制备出化学通式为Gd 1‑x‑y (BO 2 ) 3 :xBi 3+ ‑yRE 3+ (其中x的取值范围为0<x≤0.30，y的取值范围为0≤y≤0.10)的固体发光材料。在此类发光材料中通过调整铋离子和/或稀土离子的掺杂比例可以得到可应用于制备白光LED的具有高量子产率的白光荧光材料。

一种窄带蓝色荧光粉及其制备方法

本发明公开了一种窄带蓝色荧光粉及其制备方法，所述荧光粉的分子式为Lu 5‑x Ba 6 B 9 O 27 :xBi 3+ ，其中0.005≤x≤0.06。此荧光粉采用高温固相法制备，按照物料比混合后研磨，然后用压片机将研磨好的样品压片，置于马弗炉中在950～1050℃下煅烧8～36小时即可得到。本发明公开的荧光粉量子产率最高可到94.6％，其半峰宽小于44nm，属于窄带发射荧光粉，能和其他荧光粉有效搭配并应用于发光二极管、背光源，不仅可以减少通过滤色器后的发光量损失，而且也可以提高色纯度，实现更宽色域显示，还有望应用于超高色域液晶显示屏，具有广阔的应用前景。

一种荧光材料的制备方法

本发明公开了一种荧光材料的制备方法，将二价金属化合物、含铝化合物和稀土化合物以MAl 2 O 4 :Re x 的摩尔比均匀混合；以碳粉高温下产生的CO作为还原剂，将步骤1的混合物在1250℃～1600℃的条件下反应1～5h后降至室温，获得前驱体；在所述前驱体原始化学计量比的基础上按照化学组成M 6 Al 4 B 14 O 33 :Re x ,N y 的化学计量比加入含硼化合物和含碱金属化合物，然后在CO还原气氛下将混合物加热至500℃～900℃，并保温2～8h小时后得到所述荧光材料。上述方法工艺简单，所制备的荧光材料物化性能稳定、发光热稳定性好、量子产率高，并且可实现发光峰位的调控。

Mn2+ activated green emitting SrAI12O19 luminescent material

A SrAl 12 O 19 green luminescent material is doped with Mn 2+ activator ions and at least one trivalent rare earth sensitizer ion species. Preferably, the material contains four rare earth ions: Ce 3+ , Pr 3+ , Gd 3+ and Tb 3+ . Optionally, a portion of the aluminum may be substituted with magnesium. The material may be used as a display device or lamp phosphor or as an X-ray diagnostic or laser scintillator.

硼酸锂钠钇及其铈掺杂化合物和晶体及其制备方法与用途

本发明公开了一种硼酸锂钠钇及其铈掺杂化合物和晶体及其制备方法与用途，硼酸锂钠钇化合物，化学式为Li 2NaY(BO 3) 2，硼酸锂钠钇的铈掺杂化合物，化学通式为：Li 2NaY 1-xCe x(BO 3) 2，其中，0＜x≤0.5，廉价易得、合成简便，理化性质稳定、不潮解且闪烁和荧光性能良好，可以作为闪烁材料用作中子探测材料，或用作LED照明用蓝色荧光粉，在高能物理粒子探测和光照明等领域具有重要的经济和科研价值。

ガドリニウム－ガリウムを含有してなるガーネット結晶シンチレータを製造する方法

用于荧光的前炉玻璃粉，玻璃珠和/或浓缩物

本发明涉及用于玻璃组合物的前炉玻璃粉，玻璃珠和/或浓缩物领域。具体地，本发明提供一种前炉玻璃粉，玻璃珠和/或浓缩物系统，其能够通过在玻璃炉的前炉中加入荧光玻璃粉，玻璃珠或者浓缩物，来形成荧光玻璃，而赋予玻璃组合物荧光效果，和使用该前炉玻璃粉，玻璃珠和/或浓缩物的荧光系统的方法。

자외광-가시광 전환을 위한 발광단 조성물 및 그로부터 수득되는 광변환기

비정질 알루미노보레이트 분말을 포함하는 발광단 조성물이 기술된다. 상기 조성물은 실질적으로 1가 및 2가의 양이온들이 없는 전구체 용액들에 기초하는 습식 화학적 경로에 의해 알루미노보레이트 수지를 준비하는 준비단계; 상기 수지를 건조시켜 고체를 수득하는 건조단계; 상기 고체를 분쇄시켜 분말을 수득하는 분쇄단계; 상기 조성물의 결정화 온도 보다 낮은 열분해 온도에서 상기 분말을 열분해시키는 열분해단계; 및 그렇게 열분해된 상기 분말을 상기 조성물의 상기 결정화 온도 보다 낮은 하소 온도에서 하소시키는 하소단계;에 의하여 수득될 수 있다. 더욱이, 상기 조성물의 제조를 위한 방법이 기술된다. 상기 조성물은 고체형 조명을 위하여 그리고 예를 들면 자외광을 따뜻한 백색 가시광으로 전환시키는 데 특히 적절하다.

Ｕｖ−可視光変換用発光団組成物およびそれを用いた光変換器

非晶質アルミノホウ酸塩パウダーを含む発光団組成物が開示される。該組成物は、一価および二価カチオンを実質的に含まない前駆体溶液に基づいた湿式化学ルートによってアルミノホウ酸塩樹脂を調製するステップと、前記樹脂を乾燥して固体を得るステップと、前記固体を粉砕してパウダーを得るステップと、前記組成物の結晶化温度より低い熱分解温度で前記パウダーを熱分解するステップと、前記組成物の結晶化温度より低い焼成温度で前記熱分解パウダーを焼成するステップと、によって得られる。さらに、前記組成物の調製プロセスが開示される。該組成物は、例えば、ＵＶ光を暖かい白色可視光に変換するなどの固体照明での使用に特に好適である。 【選択図】図１

用于紫外-可见光转换的发光体组合物和由其得到的光转换器

公开了一种包含非晶铝硼酸盐粉末的发光体组合物。所述组合物可通过下述方法得到：基于基本上不含一价和二价阳离子的前体溶液通过湿化学方法制备铝硼酸盐树脂；干燥所述树脂以得到固体；研磨所述固体以得到粉末；在低于所述组合物结晶温度的热解温度下热解所述粉末；和在低于所述组合物结晶温度的煅烧温度下煅烧如此热解的粉末。此外，公开了制备所述组合物的方法。所述组合物特别适用于固态照明，例如适合于将紫外光转换成暖白可见光。

Luminophore composition for uv-visible light conversion and light converter obtained therefrom

用于紫外-可见光转换的发光体组合物和由其得到的光转换器

公开了一种包含非晶铝硼酸盐粉末的发光体组合物。所述组合物可通过下述方法得到：基于基本上不含一价和二价阳离子的前体溶液通过湿化学方法制备铝硼酸盐树脂；干燥所述树脂以得到固体；研磨所述固体以得到粉末；在低于所述组合物结晶温度的热解温度下热解所述粉末；和在低于所述组合物结晶温度的煅烧温度下煅烧如此热解的粉末。此外，公开了制备所述组合物的方法。所述组合物特别适用于固态照明，例如适合于将紫外光转换成暖白可见光。

자외광-가시광 전환을 위한 발광단 조성물 및 그로부터 수득되는 광변환기

비정질 알루미노보레이트 분말을 포함하는 발광단 조성물이 기술된다. 상기 조성물은 실질적으로 1가 및 2가의 양이온들이 없는 전구체 용액들에 기초하는 습식 화학적 경로에 의해 알루미노보레이트 수지를 준비하는 준비단계; 상기 수지를 건조시켜 고체를 수득하는 건조단계; 상기 고체를 분쇄시켜 분말을 수득하는 분쇄단계; 상기 조성물의 결정화 온도 보다 낮은 열분해 온도에서 상기 분말을 열분해시키는 열분해단계; 및 그렇게 열분해된 상기 분말을 상기 조성물의 상기 결정화 온도 보다 낮은 소성 온도에서 소성시키는 소성단계;에 의하여 수득될 수 있다. 더욱이, 상기 조성물의 제조를 위한 방법이 기술된다. 상기 조성물은 고체형 조명을 위하여 그리고 예를 들면 UV광을 따뜻한 백색 가시광으로 전환시키는 데 특히 적절하다.

Luminophore composition for uv-visible light conversion and light converter obtained therefrom

A luminophore composition comprising amorphous aluminoborate powders is disclosed. The composition is obtainable by preparing an aluminoborate resin by a wet chemical route based on precursors solutions substantially free from monovalent and divalent cations; drying the resin to obtain a solid; grinding the solid to obtain a powder; pyrolyzing the powder at a pyrolysis temperature lower than the crystallization temperature of the composition; and calcinating the powder so pyrolyzed at a calcination temperature lower than the crystallization temperature of the composition. Furthermore, a process for the preparation of said composition is disclosed. The composition is particularly suitable for use in solid-state lighting, and for example for converting UV light into warm white visible light.

Sterilization system

The present invention relates to a sterilization system (1) where the article (20) which is to be sterilized is coated with a Pr3+comprising material (10), which emits UV-C light upon stimulation with a blue LED (30).