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公开(公告)号:KR101196847B1
公开(公告)日:2012-11-01
申请号:KR1020110017381
申请日:2011-02-25
Applicant: 한국화학연구원
CPC classification number: C09K11/7734 , C09K11/7792 , H01L33/502 , H01L2224/48091 , H01L2224/48247 , H01L2224/48257 , H01L2224/49107 , H01L2224/73265 , H01L2924/181 , H01L2924/00014 , H01L2924/00012
Abstract: 본 발명은 질화물계 형광체의 제조방법에 관한 것으로서, 더욱 상세하게는 유로피움을 활성제로 사용하고, 알칼리토금속과 규소를 주성으로 하는 실리케이트계 전구체를 원료물질로 사용하여 질화규소(Si
3 N
4 ) 단독 화합물 또는 질화규소(Si
3 N
4 )와 이산화규소(SiO
2 )의 혼합물과 소성시켜 질화물계 형광체를 제조하는 방법에 관한 것이다.-
公开(公告)号:KR101196845B1
公开(公告)日:2012-11-01
申请号:KR1020100098914
申请日:2010-10-11
Applicant: 한국화학연구원
CPC classification number: C09K11/7734 , H01L33/50
Abstract: 본 발명은 (할로)금속실리콘산질화물 형광체 및 이의 제조방법에 관한 것으로서, 더욱 상세하게는 SrSi
2 O
2 N
2 :Eu
2
+ 형광체에 다양한 형태의 알칼리금속, 알칼리토금속, 전이금속 등을 치환 또는 첨가한 (할로)금속실리콘산질화물 형광체 및 이를 상압에서 고상법에 의해 제조하는 방법에 관한 것이다. 본 발명의 (할로)금속실리콘산질화물 형광체는 자외선 또는 청색의 여기원에 의해 황색계 영역에서 발광피크를 가지며, 발광 휘도 및 열적 안정성이 우수하므로 발광다이오드, 레이저다이오드, 면발광 레이저다이오드, 무기 일렉트로루미네센스 소자, 또는 유기 일렉트로루미네센스 소자와 같은 발광 소자에 유용하게 적용할 수 있다.-
公开(公告)号:KR101085045B1
公开(公告)日:2011-11-21
申请号:KR1020090007005
申请日:2009-01-29
Applicant: 한국화학연구원
Abstract: 본 발명은 유로피움 산질화물 형광체에 관한 것으로, 더욱 상세하게는 모체 자체가 활성화 되어 자외선 내지 청색광 (380 ∼ 480 nm)의 여기 영역 하에서 황색 내지 적색광 (500 ∼ 800 nm)을 방출하는 유로피움 산질화물 형광체에 관한 것이다. 본 발명의 유로피움 산질화물 형광체는 디스플레이 장치 또는 LED (발광 다이오드)의 광원으로서 특히 적합하다.
유로피움 산질화물 형광체, 적색 형광체, 청색광 여기, 형광램프, LED-
公开(公告)号:KR1020110035011A
公开(公告)日:2011-04-06
申请号:KR1020090092547
申请日:2009-09-29
Applicant: 한국화학연구원
CPC classification number: C09K11/7792 , C09K11/7734 , H01L24/45 , H01L33/502 , H01L2224/32257 , H01L2224/45144 , H01L2224/48091 , H01L2224/48257 , H01L2224/48465 , H01L2224/49107 , H01L2224/73265 , H01L2224/8592 , H01L2924/181 , H01L2924/00012 , H01L2924/00014 , H01L2924/00
Abstract: PURPOSE: A (halo-)silicate-based phosphor is provided to enable the change of light-emitting wavelength according to the kind and content of alkaline earth metals and to improve wavelength change and brightness of an activator. CONSTITUTION: A (halo-)silicate-based phosphor is represented by chemical formula 1: (Sr_(16-x-y)M_y)Si_aO_bX_CdN_2O_3:Eu^(2+)_z. In chemical formula 1, M is a metal selected from the group consisting of Mg, Ca and Ba; X is F, Cl, Br or I; N is at least one kind of metal selected from the group consisting of Y, La, Nd, Gd, Lu, B, Al, Ga and In; and 0
Abstract translation: 目的:提供一种(卤代)硅酸盐基荧光体,以便根据碱土金属的种类和含量改变发光波长,并改善活化剂的波长变化和亮度。 构成:一种(卤代)硅酸盐基荧光体由化学式1表示:(Sr_(16-x-y)M_y)Si_aO_bX_CdN_2O_3:Eu ^(2 +)_z。 在化学式1中,M是选自Mg,Ca和Ba的金属; X是F,Cl,Br或I; N是选自Y,La,Nd,Gd,Lu,B,Al,Ga和In中的至少一种金属; 并且0 <= x <= 14,0 <= y <= 16,0 <= x + y <= 16,0
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公开(公告)号:KR1020110035010A
公开(公告)日:2011-04-06
申请号:KR1020090092545
申请日:2009-09-29
Applicant: 한국화학연구원
CPC classification number: C09K11/7734 , C09K11/7721 , C09K11/7728 , C09K11/7731
Abstract: PURPOSE: A method for manufacturing a magnetic phosphor complex is provided to ensure magnetism and radiation in a single substance and to prepare a fluorescence composite with new magnetic properties. CONSTITUTION: A method for manufacturing a magnetic phosphor complex comprises the steps of: dispersing a fluorescent substance precursor and magnetic material precursor in ethanol or acetone and mixing the dispersed material using ethylene glycol at 30~70 °C for 1~5 hours; drying the mixture in a powdered state at 100~150 °C; and heat-treating the dried mixture in a mixed gas atmosphere where nitrogen and hydrogen are mixed in a volume ratio of 75~95 : 25~5 at 800~1700 °C.
Abstract translation: 目的:提供一种制造磁性荧光体复合体的方法,以确保单个物质的磁性和辐射,并制备具有新的磁性的荧光复合材料。 构成:制造磁性荧光体复合体的方法包括以下步骤:将荧光物质前体和磁性材料前体分散在乙醇或丙酮中,并使用乙二醇在30〜70℃下混合分散材料1〜5小时; 在100〜150℃下将粉末状混合物干燥; 在混合气体气氛中,以75〜95:25〜5的体积比混合氮气和氢气,在800〜1700℃下对干燥后的混合物进行热处理。
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公开(公告)号:KR1020090065073A
公开(公告)日:2009-06-22
申请号:KR1020070132509
申请日:2007-12-17
Applicant: 한국화학연구원
Abstract: A synthetic method of an indium phosphite quantum dot is provided to economically manufacture a indium phosphite quantum dot at lower temperature within shorter reaction time than conventional method, by introducing triphenyl phosphate and polyol solvent. A synthetic method of an indium phosphite quantum dot comprises a step of mixing indium salt and triphenyl phosphate in the presence of polyol solvent in a molar ration of 1 : 0.75 ~ 10; and heating the mixture at 100~250 °C for 2~24 hours. The polyol is a single solvent or a mixed solvent of at least two kinds selected form alkanols, alkanediols and glycols. The indium salt is selected from indium halide, indium nitrate, indium acetate and indium hydroxide.
Abstract translation: 提供了一种铟亚磷酸盐量子点的合成方法,通过引入三苯基磷酸盐和多元醇溶剂,在比较常规方法更短的反应时间内,在较低温度下经济地制造铟亚磷酸盐量子点。 铟亚磷酸盐量子点的合成方法包括在多元醇溶剂存在下,以1:0.75〜10摩尔比混合铟盐和磷酸三苯酯的步骤; 并在100〜250℃下加热混合物2〜24小时。 多元醇是选自烷醇,烷二醇和二醇中的至少两种的单一溶剂或混合溶剂。 铟盐选自卤化铟,硝酸铟,醋酸铟和氢氧化铟。
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公开(公告)号:KR1020090062121A
公开(公告)日:2009-06-17
申请号:KR1020070129232
申请日:2007-12-12
Applicant: 한국화학연구원
IPC: G01N33/532 , G01N33/53 , G01N33/68
Abstract: A method for detecting a histidine probed protein using a nickel binding quantum is provided to easily observe the protein movement pathway by specifically binding with special protein in a cell. A method for detecting a histidine probed protein using the quantum point in which a nickel is connected comprises: a step of preparing a nickel-chelate-binding dot using chelate in the hydrophilic-treated water soluble quantum point; a step of fixing a histidine probed protein or a cell having the histidine probed protein; and a step of detecting the histidine probed protein; The hydrophilic-treatment is performed by coating with a hydrophilic compound of thioglycolic acid, mercaptobenzoic acid, mercaptopropionic acid or mercaptoundecanoic acid. The chelate is imido diaset acid(IDA), bicinchoninic acid (BCA), and N,N,N'-triscarboxymethyl ethylene diamine (TED) or nitro triacetate (NTA).
Abstract translation: 提供了使用镍结合量子检测组氨酸探针蛋白的方法,通过与细胞中的特殊蛋白质特异性结合来容易地观察蛋白质运动途径。 使用镍连接的量子点检测组氨酸探针蛋白的方法包括:在亲水处理的水溶性量子点中使用螯合物制备镍螯合物结合点的步骤; 固定组氨酸探针蛋白或具有组氨酸探针蛋白的细胞的步骤; 检测组氨酸探针蛋白的步骤; 通过用亲水性巯基乙酸,巯基苯甲酸,巯基丙酸或巯基十一烷酸的化合物进行亲水处理。 螯合物是亚氨基二酸(IDA),二辛可宁酸(BCA)和N,N,N'-三羧甲基乙二胺(TED)或硝酸三乙酸酯(NTA)。
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公开(公告)号:KR1020060131524A
公开(公告)日:2006-12-20
申请号:KR1020050052031
申请日:2005-06-16
Applicant: 한국화학연구원
IPC: C09K11/71
Abstract: Provided is a method for preparing red phosphor based on sulfide of alkali earth metal having improved luminous property at the condition excluding solvent and noxious ingredient for decreasing a temperature, in which heating is achieved at lower temperature than conventional method. The method comprises the steps of (1) dispersing an acid solution containing 0.5-0.9999 mole of alkali earth metal precursor and 0.0001-0.5 mole of europium precursor dissolved therein, into distilled water to prepare an aqueous solution of metal mixture, (2) adding an aqueous solution of sulfate and sulfide of metal of period 3 in elements periodic table to the aqueous solution of metal mixture, adjusting a pH of the solution to 5-10, and filtrating and drying the solution to prepare a precursor of phosphor based on sulfide alkali earth metal sulfide, and (3) heating the precursor at 600-1000 deg.C at the atmosphere of mixture of nitrogen and hydrogen gases.
Abstract translation: 本发明提供一种制备基于硫酸盐的碱土金属硫化物的方法,其在除了溶剂和有害成分之外的条件下具有改善的发光性能,用于降低温度,其中在比常规方法更低的温度下实现加热。 该方法包括以下步骤:(1)将含有0.5-0.9999摩尔碱土金属前体和0.0001-0.5摩尔溶解在其中的铕前体的酸溶液分散到蒸馏水中以制备金属混合物的水溶液,(2)加入 元素周期表中周期3的金属硫酸盐和硫化物水溶液与金属混合物的水溶液,将溶液的pH调节至5-10,并过滤并干燥溶液以制备基于硫化物的磷光体前体 碱土金属硫化物,和(3)在氮气和氢气混合气氛下在600-1000℃加热前体。
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公开(公告)号:KR1020060131523A
公开(公告)日:2006-12-20
申请号:KR1020050052030
申请日:2005-06-16
Applicant: 한국화학연구원
IPC: C09K11/71
Abstract: Provided is a method for preparing a red phosphor based sulfide of alkali earth metal by coprecipitation and pH control, which does not use a separate flux for decreasing a temperature, and uses a mixture of hydrogen and nitrogen in place of noxious gases such as H2S or CS2, and thus is expected to have environmentally and economically excellences. The method comprises the steps of (i) dissolving 0.5-0.9999 mole of precursor of alkali earth metal and 0.0001-0.5 mole of europium precursor into acid to obtain an acidic solution, dispersing the acidic solution into C1-C5 alcohol, and adjusting a pH of the solution to 3-5 to prepare a mixed metal solution, (ii) introducing an aqueous solution of sulfate and sulfide of period 3 metal having pH 8-10 to the mixed metal solution, to adjust a pH to 6-8, and then filtrating and drying the solution to prepare a precursor of phosphor based on alkali earth metal sulfide, and (iii) heating the precursor of phosphor at 600-1000 deg.C at the atmosphere of mixture of nitrogen and hydrogen gases.
Abstract translation: 本发明提供了一种通过共沉淀和pH控制制备红色荧光体的碱土金属硫化物的方法,其不使用单独的助熔剂来降低温度,并且使用氢和氮的混合物代替有害气体如H 2 S或 CS2,因此预期在环境和经济上都是优秀的。 该方法包括以下步骤:(i)将0.5-0.9999摩尔碱土金属前体和0.0001-0.5摩尔铕前体溶解在酸中,得到酸性溶液,将酸性溶液分散在C1-C5醇中,并调节pH 的溶液至3-5以制备混合金属溶液,(ii)将pH8-10的第3期金属的硫酸盐和硫化物水溶液引入混合金属溶液中,将pH调节至6-8, 然后过滤并干燥溶液以制备基于碱土金属硫化物的荧光体前体,和(iii)在氮和氢气混合气氛下在600-1000摄氏度加热磷光体前体。
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