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公开(公告)号：KR100902415B1
公开(公告)日：2009-06-11
申请号：KR1020070132510
申请日：2007-12-17
Applicant: 한국화학연구원
IPC: C09K11/55
Abstract: A phosphor based on halo-silicate is provided to change wavelength according to the kind and content of alkaline earth metal and to increase emitting wavelength and luminance selective use of an activator. A method for manufacturing phosphor based on halo-silicate comprises the steps of: weighting strontium(Sr), calcium(Ca), barium(Ba) and silicon(Si) precursors and a base material of halogenated ammonium in a ratio of the phosphor represented by formula 1: (Sr5-x-yCaxBay)Si2O7X4: Eua, then mixing the materials in solvent; drying the mixture in an oven of 100~150 °C; and heat-treating the dried mixture in a mixed gas atmosphere of nitrogen and hydrogen in a weight ratio of 75~95 : 25~5. In the chemical formula 1, X is F, Cl, Br or I, 0
Abstract translation: 提供基于卤代硅酸盐的荧光体，以根据碱土金属的种类和含量改变波长，并增加发射波长和激发剂的亮度选择性使用。 一种制造基于卤代硅酸盐的荧光体的方法包括以下步骤：以所表示的荧光体的比例加权锶（Sr），钙（Ca），钡（Ba）和硅（Si）前体和卤化铵的基础材料 通过式1：（Sr5-x-yCaxBay）Si2O7X4：Eua，然后将该物质混合在溶剂中; 在100〜150℃的烘箱中干燥混合物; 并在氮气和氢气的混合气体气氛中以75〜95：25〜5的重量比进行热处理。 在化学式1中，X是F，Cl，Br或I，0
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公开(公告)号：KR1020090035258A
公开(公告)日：2009-04-09
申请号：KR1020070100429
申请日：2007-10-05
Applicant: 한국화학연구원
IPC: C09D11/037 , C09K11/08 , B41M3/00 , B41M5/00
CPC classification number: C09D11/037 , B41M3/144 , C08K3/22 , C08K3/30 , C08K3/32 , C08K3/34 , C08K2003/3009 , C08K2003/321 , C09D11/50
Abstract: A fluorescent ink composition is provided to ensure excellent stability, light resistance, heat resistance, water resistance, and storage stability and to have no agglomeration by using an inorganic material as the fluorescent material. A fluorescent ink composition comprises (a) 1-20 parts by weigh of at least one inorganic phosphor selected from a blue light emitting inorganic phosphor, a greenish yellow light emitting inorganic phosphor, and a red light emitting inorganic phosphor; and (b) 80-99 parts by weigh of curable resin, based on the composition.
Abstract translation: 提供荧光墨水组合物以确保优异的稳定性，耐光性，耐热性，耐水性和储存稳定性，并且通过使用无机材料作为荧光材料不会发生附聚。 荧光墨水组合物包含（a）1-20重量份的选自蓝色发光无机荧光体，绿黄色发光无机荧光体和红色发光无机荧光体中的至少一种无机荧光体; 和（b）80-99重量份的可固化树脂，基于组合物。
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公开(公告)号：KR1020060133788A
公开(公告)日：2006-12-27
申请号：KR1020050053630
申请日：2005-06-21
Applicant: 한국화학연구원
Abstract: Provided is a method for preparing a thiogallate-based green phosphor which is lowered in heat treatment temperature, does not use additional flux or toxic component and improves the efficiency of a phosphor. The method comprises the steps of mixing 0.5-1.1 mol of an alkaline earth metal precursor, 1.8-2.2 mol of a gallium precursor and 0.001-0.5 mol of an activator precursor to prepare a metal mixture, adding sulfur to the metal mixture, and ball milling the obtained mixture to prepare a thiogallate-based green phosphor precursor; and heat treating the obtained thiogallate-based green phosphor precursor at a temperature of 700-1,000 deg.C under the atmosphere of a mixture gas comprising nitrogen and hydrogen. Preferably the alkaline earth metal precursor is a sulfide or nitride of a metal selected from Ca, Sr and Ba; the gallium precursor is an oxide or nitride; and the activator precursor is a compound of Eu or Ce.
Abstract translation: 本发明提供一种制备在热处理温度下降低的硫代镓酸盐型绿色荧光体的方法，不使用附加的助熔剂或有毒成分，提高荧光体的效率。 该方法包括将0.5-1.1mol碱土金属前体，1.8-2.2mol镓前体和0.001-0.5mol活化剂前体混合以制备金属混合物，向金属混合物中加入硫和球 研磨所得混合物以制备基于硫代镓酸盐的绿色荧光体前体; 在700〜1000℃的温度下，在氮气和氢气的混合气体气氛下，热处理得到的硫代镓酸盐型绿色荧光体前体。 优选地，碱土金属前体是选自Ca，Sr和Ba的金属的硫化物或氮化物; 镓前体是氧化物或氮化物; 并且活化剂前体是Eu或Ce的化合物。
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Patent Agency Ranking
公开(公告)号：KR101014076B1
公开(公告)日：2011-02-10
申请号：KR1020080058395
申请日：2008-06-20
Applicant: 엘지이노텍 주식회사 , 한국화학연구원
Abstract: 실시예는 형광체, 발광소자 및 형광체의 제조 방법에 관한 것이다.
실시예에 따른 형광체는 Ba
4-x Mg
y Sr
z Si
2 O
8 :Eu
2+
x (단, 여기서 0＜x≤1, 1＜y＜5, 2＜z＜5)의 화학식으로 표시된다.
실시예에 따른 발광 소자는 광원; 상기 광원을 지지하는 하우징부; 상기 광원 주위의 적어도 일부 영역에 형성되는 광투과부재; 및 상기 광투과부재에 혼입되는 Ba
4-x Mg
y Sr
z Si
2 O
8 :Eu
2+
x (단, 여기서 0＜x≤1, 1＜y＜5, 2＜z＜5)의 화학식으로 표현되는 형광체가 포함된다.
형광체-
公开(公告)号：KR1020080112163A
公开(公告)日：2008-12-24
申请号：KR1020080058395
申请日：2008-06-20
Applicant: 엘지이노텍 주식회사 , 한국화학연구원
Abstract: A phosphor, a light emitting device and a fabricating method of phosphor are provided to improve morphology and luminescent brightness while generating a little residue and to control a correlated color temperature, color coordinate and color rendering index. A light emitting device(100) comprises a light source(130); a housing unit(120) supporting the light source; a light-transmitting member(160) formed in at least, the partial domain of the light source circumference; the first phosphor expressed as the chemical formula: Ba4-xMgySrzSi2O8:Eu^2+x (0
Abstract translation: 提供荧光体，发光器件和荧光体的制造方法，以在产生少量残留物的同时改善形态和发光亮度并控制相关色温，色坐标和显色指数。 发光器件（100）包括光源（130）; 支撑光源的壳体单元（120）; 至少形成在光源圆周的部分域中的透光构件（160）; 混合在透光部件中的化学式为Ba4-xMgySrzSi2O8：Eu ^ 2 + x（0
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公开(公告)号：KR100780484B1
公开(公告)日：2007-11-28
申请号：KR1020060048191
申请日：2006-05-29
Applicant: 한국화학연구원
IPC: H01L33/50
Abstract: A lutetium-lithium-based garnet phosphor for exciting blue light and a white light emitting diode are provided to generate green to yellow spectrum lights and to improve light emitting efficiency by using the lutetium-lithium-based garnet phosphor. The lutetium-lithium-based garnet phosphor is represented by (Lu1-a-bLi2AaBbTbc)3DdO12, wherein A is an element selected from Y, Gd, and La, B is a lanthanum-based element, D is selected from Al, Ga, and a combination thereof, 0 a 0.5, 0.001 b 0.5, 0.0001 c 0.2, 4 d 5, and 0
Abstract translation: 提供了用于激发蓝光的镥锂锂石榴石荧光体和白色发光二极管，以产生绿色至黄色的光谱光，并且通过使用镥 - 锂基石榴石荧光体来提高发光效率。 镥 - 锂基石榴石荧光体由（Lu1-a-bLi2AaBbTbc）3DdO12表示，其中A是选自Y，Gd和La的元素，B是镧基元素，D选自Al，Ga， 和它们的组合，0为0.5,0.001b 0.5,0.0001c 0.2,4d 5和0
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公开(公告)号：KR100503132B1
公开(公告)日：2005-07-22
申请号：KR1020020069146
申请日：2002-11-08
Applicant: 한국화학연구원
IPC: B22F9/08
Abstract: 본 발명은 구형 니켈 금속 미세분말의 제조방법에 관한 것으로서, 분무열분해 공정을 이용하여 니켈 금속 미세분말을 제조함에 있어서, 니켈 전구체 물질과 함께 첨가제로서 에틸렌디아민테트라아세트산계, 에탄올아민계 및 에틸렌디아민계 화합물 중에서 선택된 1종 이상의 킬레이트화제(chelating agent)를 첨가하는 것을 특징으로 하며, 본 발명의 방법에 따라 제조된 니켈 금속 미세분말은, 종래에 첨가제 없이 금속 전구체 물질만을 사용하여 제조하는 방법과 달리, 니켈 금속 미세분말의 형태, 평균 크기 및 크기 분포 특성이 개선되며 속이 차고 균일한 미세한 크기를 갖는 구형의 니켈 금속 미세분말을 제조할 수 있다.
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公开(公告)号：KR1020040040833A
公开(公告)日：2004-05-13
申请号：KR1020020069146
申请日：2002-11-08
Applicant: 한국화학연구원
IPC: B22F9/08
Abstract: PURPOSE: A method for preparing spherical fine nickel metal powder is provided to prepare spherical nickel metal powder an inner part of which is filled with the additives by adding additives capable of reacting with nickel when preparing a precursor spray solution in manufacturing of fine nickel metal powder using spray pyrolysis. CONSTITUTION: The method for preparing spherical fine nickel metal powder comprises a first step of preparing a precursor solution by dissolving one or more of additives selected from a nickel compound selected from nitrate, acetate, chloride, hydrate and sulfate of nickel, 0.01 to 1 mole of ethylenediaminetetraacetic acid based compound on the basis of mole of nickel, 0.01 to 1 mole of ethanolamine based compound and 0.001 to 15 mole of ethylenediamine based compound into distilled water or alcohol; a second step of generating droplets having diameter of 0.1 to 100 μm by injecting the precursor solution into a droplet sprayer; and a third step of drying and pyrolyzing the generated droplets in the reactor temperature range of 600 to 1,500 deg.C, wherein the precursor solution is in the metal concentration range of 0.005 to 2 M, wherein the method further comprises a step of heat treating powder produced when drying and heat treating the generated droplets at an oxidation atmosphere in the third step again at a reduction atmosphere.
Abstract translation: 目的：提供一种制备球形镍镍金属粉末的方法，制备球形镍金属粉末，其内部填充有添加剂，当制备细镍金属粉末时制备前体喷雾溶液时，加入能与镍反应的添加剂 使用喷雾热解。 构成：制备球形细镍金属粉末的方法包括：通过将一种或多种选自硝酸盐，乙酸盐，氯化物，水合物和硫酸镍的镍化合物中选出的一种或多种添加剂溶解在0.01至1摩尔中来制备前体溶液的第一步骤 的乙二胺四乙酸基化合物为基于镍的摩尔数，0.01〜1摩尔乙醇胺系化合物和0.001〜15摩尔乙二胺系化合物为蒸馏水或醇; 通过将前体溶液注入到液滴喷雾器中产生直径为0.1至100μm的液滴的第二步骤; 以及在600至1500℃的反应器温度范围内干燥和热解所产生的液滴的第三步骤，其中前体溶液的金属浓度范围为0.005至2M，其中该方法还包括热处理步骤 在还原气氛下再次在第三步骤中在氧化气氛下干燥和热处理生成的液滴时产生的粉末。
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