Abstract:
본 발명은 백색 발광 다이오드(LED) 및 능동 발광형 액정 디스플레이(LCD)에 적용되는 스트론튬실리케이트계 황색 형광체와 이의 제조방법에 관한 것으로서, 더욱 상세하게는 스트론튬실리케이트 모체에 활성제 성분으로 유로퓸옥사이드(Eu 2 O 3 )를 첨가하여 혼합하고 특정한 조건으로 건조하는 공정 및 열처리 공정을 수행함으로써, 장파장 자외선에 여기하는 백색 발광 다이오드(LED) 및 능동 발광형 액정 디스플레이(LCD)에 적용되었을 때 매우 높은 발광효율을 가지는 다음 화학식 1로 표시되는 스트론튬실리케이트계 황색 형광체와 이 형광체의 제조방법에 관한 것이다.
Abstract:
PURPOSE: A YRO4-based (R is As, Nb, P, V) red fluorescent substance for a plasma display panel and its preparation method are provided, wherein the red fluorescent substance has an excellent luminance efficiency at VUV and a good color purity and the luminance intensity of red fluorescent substance can be controlled according to the composition of an activator and the composition. CONSTITUTION: The YRO4-based red fluorescent substance is represented by Y1-k(NbmP1-m-nVn)O4:Euk, wherein 0.04
Abstract:
PURPOSE: A gadolinium phosphate green fluorescent substance and its preparation method are provided, which substance has an excellent emission luminance under the excitation source of 147 nm and an afterglow time of 2-6 ms suitable for a plasma display panel. CONSTITUTION: The gadolinium phosphate green fluorescent substance has a composition represented by Gd(1-x)(P(1-y)Nby)O4:Tbx, wherein 0.001
Abstract translation:目的:提供磷酸钆绿色荧光物质及其制备方法,该物质在147nm的激发源和2-6秒的余辉时间下具有优异的发射亮度,适用于等离子体显示面板。 构成:磷酸钆绿色荧光物质具有由Gd(1-x)(P(1-y)Nby)O 4:Tb x表示的组成,其中0.001 <= x <=0.50,0.005≤y≤0.30和0.8 <=(Gd + Tb)/(P + Nb)<= 1.1。 该方法包括分别在硝酸,HF,蒸馏水和硝酸中分别溶解氧化钆(Gd 2 O 3),氧化铌(Nb 2 O 5),磷酸氢铵((NH 4)2 HPO 4)和氧化铽(Tb 4 O 7) 前体溶液; 根据上述组合物混合前体溶液; 在50-150℃干燥混合物; 二次干燥混合物在400-600℃; 并在1,000-1,400℃煅烧混合物。
Abstract:
PURPOSE: A terbium activated CaO-Gd2O3-Al2O3 three-component green fluorescent substance composition for VUV excitation is provided, which composition has a short afterglow time in VUV and an excellent emission luminance and is suitable for a plasma display panel. CONSTITUTION: The CaO-Gd2O3-Al2O3 three-component green fluorescent substance composition is represented by CakGdlTbmAlnO£k+3/2(l+m+n)|, wherein 0.20
Abstract translation:目的:提供一种用于VUV激发的铽激活的CaO-Gd 2 O 3 -Al 2 O 3三组分绿色荧光物质组合物,其组成在VUV中具有短的余辉时间和优异的发光亮度,并且适用于等离子体显示面板。 构成:CaO-Gd 2 O 3 -Al 2 O 3三组分绿色荧光物质组合物由CakGdlTbmAlnO£k + 3/2(1 + m + n)|表示,其中0.20 <= k <= 0.31,0.20 <= 1 <= 0.31 ,0.001 <= m <= 0.1,0.45 <= n <= 0.55,k + 1 + m + 1 = 1。 组成由CakGdlTbmAlnO£k + 3/2(1 + m + n)|表示,其中0.20 <= k <= 0.40,0.05 <= 1 <= 0.40,0.001 <= m <= 0.3,0.30 <= n <= 0.65,并且k + 1 + m + 1 = 1。 组成由CakGdlTbmAlnO£k + 3/2(1 + m + n)|表示,其中0.60 <= k <= 0.70,0.0 <= 1 <= 0.1,0.001 <= m <= 0.1,0.25 <= n <= 0.35,k + 1 + m + 1 = 1。 组成由CakGdlTbmAlnO£k + 3/2(1 + m + n)|表示,其中0.05 <= k <= 0.12,l = 0,0.001 <= m <= 0.11,0.85 <= n <= 0.95, 和k + 1 + m + 1 = 1。 组合物由CakGdlTbmAlnO£k + 3/2(1 + m + n)|表示,其中k = 0,0.35 <= 1 <=0.55,0.001,0≤i≤0.77,0.40≤n≤0.60, 和k + 1 + m + 1 = 1。 组合物由CakGdlTbmAlnO£k + 3/2(1 + m + n)|表示,其中k = 0,0.20 <=1≤0.35,0.001,0.60≤0.70, 和k + 1 + m + 1 = 1。 此外,组合物由CakGdlTbmAlnO£k + 3/2(1 + m + n)|表示,其中k = 0,0 0.65 <= 1 <=0.75,0.001≤m≤0.23,0.25≤n≤0.30 ,并且k + 1 + m + 1 = 1。
Abstract:
본 발명은 가돌륨옥사이드계 적색 형광체 및 그 제조방법에 관한 것으로서, 더욱 상세하게는 형광체 모체로 사용하는 가돌륨옥사이드(Gd 2 O 3 )에 활성제로서 유로피움옥사이드(Eu 2 O 3 )를 첨가하고, 여기에 산화아연(ZnO), 탄산리튬(Li 2 CO 3 ), 탄산칼슘(CaCO 3 ), 산화마그네슘(MgO), 산화갈륨(Ga 2 O 3 ), 수산화알루미늄(Al(OH) 3 ) 중에서 선택된 부활제를 첨가함으로써, 저속전자선에서 발광휘도가 우수하고 고진공에서도 안정한 물성을 가지며 저전압 전자선 여기에 의해 구동하는 전계 방출 디스플레이(Field Emission Display, FED)에 적합한 다음 화학식 1로 표시되는 새로운 가돌륨옥사이드계 적색 형광체 및 그 제조방법에 관한 것이다.
Gd 2-Xy O 3 : Eu X ,M y
상기 화학식 1에서: 0.005≤X≤0.5 이고, 0≤y≤1.0 이며, M은 Zn, Li, Ca, Mg, Ga 및 Al 중에서 선택된 원소이다.
Abstract:
PURPOSE: A gadolinium oxybromide(GdOBr)-based green fluorescent substance and its preparation method are provided, to allow the substance to maintain the stable properties even at high vacuum and to improve the luminous brightness at a low velocity electron ray by employing terbium as an activator. CONSTITUTION: The gadolinium oxybromide-based green fluorescent substance is represented by Gd(2-x)OBr: Tbx, wherein 0.001
Abstract translation:目的:提供一种基于三氧化钆(GdOBr)的绿色荧光物质及其制备方法,即使在高真空条件下也能保持稳定的性能,并且通过使用铽作为低温电子射线来改善低速电子射线的发光亮度 活化剂。 构成:以Gd(2-x)OBr:Tbx表示基于氧化钆的绿色荧光物质,其中0.001 <= x <= 0.5。 该方法包括以氧化钆的量混合氧化钆(Gd 2 O 3),溴化铵(NH 4 Br)和0.001-0.5mol%的氧化铽(Tb 4 O 7)的步骤; 在100-150℃的温度下干燥混合物; 并在还原气氛下在800-1,500℃的温度下烧结干燥的混合物。 优选地,通过使用2-25vol%的氢气混合物来获得还原气氛。 优选地,基于溴化铵的量,该混合物还包含0.001-0.5mol%的溴化钾(KBr)。
Abstract:
본 발명은 조합화학 합성장치를 이용한 산화물계 형광물질의 조성비 탐색을 위한 착체 중합 조합화학 합성방법에 관한 것으로서, 더욱 상세하게는 컴퓨터로 제어되어 신속하고 간편하게 조성비에 따른 형광물질의 분말을 제조하는 여러 개의 작은 반응기를 사용한 조합화학 합성장치를 이용하여 조성비를 탐색하되, 형광체 제조시 착체를 이루기 위한 착화제로서 폴리카복실레이트 인 시트릭산 및 에틸렌디아민테트라아세트산(EDTA) 중에서 선택된 하나의 착화제와 중합반응을 위한 에틸렌 글라이콜을 사용하여 착체 고분자 전구체를 경유하여 분말형태로 형광물질을 제조하는 방법에 관한 것이다. 상기 방법은 용액으로부터 균일한 혼합물의 제조과정을 거쳐 형광물질을 분말형태로 합성하므로 균일한 조성의 형광물질의 합성이 가능하고, 특히 다수 개의 작은 반응기(시험관)를 사용하여 각 조성의 조합에 따라서 합성하므로 형광물질의 조성비 검색이 가능할 뿐만 아니라, 소량의 분말 합성으로 보다 빠르게 조성비에 따른 분말의 제조가 이루어지므로 경제적인 조합화학 합성방법이다.
Abstract:
PURPOSE: Provided is a combinatorial chemical synthesis of complex polymerization for detection of composition rate of oxides-based fluorescent material using a combinatorial synthesis device. The detection is made by several small reactors of combinatorial chemical synthesis which synthesize the fluorescent material powder of the uniform compositions rapidly and easily according to the control of a computer. CONSTITUTION: The above synthetic method comprises: filling the solution mixtures of 0.1-1.0 mole concentration of metal ion solution, a complex forming agent selected from citric acid and ethylenediaminetetracetic acid(EDTA) and ethylene glycol, into several solvent storing device, to make the 0.01-0.2g of final fluorescent material where the mixture solution of complex forming agent and ethylene glycol is in a mole ratio of 1.5-5 : 10-30 and the mixture is used in 2-5 equivalent weight of the above metal ion, based on the complex forming agent; introducing into test tube reactors placed front, back, left and right in a certain distance by the solution inputting device controlled by a computer according to the component ratio changing the input weight by the location controller controlled by the computer; moving the above reactors to the forced air circulation dryer, drying and heating the complex material containing metal solution, excess complex-forming agent and ethylene glycol to polymerize and synthesize the complex polymer precursor; and making the fluorescent material of the different composition by heat treating the above test tubes in the electric oven to eliminate the organic materials, cooling and moving the heat treated powder precursors to the aluminum plate with several cells and heat treating again controlling the atmosphere.
Abstract:
PURPOSE: A SrTiO3-based red fluorescent substance and its preparation method are provided, which has the excellent light-emitting brightness and color purity and the stable physical properties in high vacuum, and is suitable for field emission display (FED). CONSTITUTION: The SrTiO3-based red fluorescent substance is represented by the formula 1, wherein a is 0.0005 or more and 0.01 or less; and b is above 0 and 1.0 or less than. The method comprises the steps of adding PrCl3 and Al(OH)3 to SrTiO3 for the ratio of Pr to Al to be 0.001/0.02 to 0.005/0.50 by mol; drying the mixture; calcining it at 1,000-1,400°C at atmosphere; and pulverizing the calcined one. Preferably the ratio of PrCl3 to SrTiO3 is 0.0005-0.01 : 1 by mol; and the ratio of Al(OH)3 to SrTiO3 is less than one by mol.