公开(公告)号：KR1020020069042A

公开(公告)日：2002-08-29

申请号：KR1020010009341

申请日：2001-02-23

Applicant: 한국화학연구원

Inventor： 강윤찬 ,  정하균 ,  이동렬 ,  박희동

IPC: C09K11/02

CPC classification number: C09K11/7734 ,  C01P2004/03 ,  C01P2004/61 ,  C04B35/6267 ,  C04B35/62675 ,  C09K11/7731 ,  Y02B20/181

Abstract: PURPOSE: A method for preparing a barium magnesium aluminate-based blue and green fluorescent substance powder by spray pyrolysis using a nonorganic polymer solution and a barium magnesium aluminate-based blue and green fluorescent substance prepared by the method are provided, to obtain completely spherical fluorescent powder by improving the heat stability. CONSTITUTION: The barium magnesium aluminate-based blue and green fluorescent substance is represented by Ba(a-b)MgcAldOx : Mnb, wherein 0.5

Abstract translation: 目的：提供一种通过使用无机聚合物溶液的喷雾热解法和通过该方法制备的基于铝酸镁的蓝绿色荧光物质制备基于铝酸镁的蓝绿色荧光物质粉末的方法，以获得完全球形的荧光 粉末通过提高热稳定性。 构成：铝酸钡镁蓝和绿荧光物质由Ba（ab）MgcAldOx：Mnb表示，其中0.5

公开(公告)号：KR100336970B1

公开(公告)日：2002-05-17

申请号：KR1020000022921

申请日：2000-04-28

Applicant: 한국화학연구원

Inventor： 정하균 ,  박희동

IPC: C09K11/08

Abstract: 본 발명은 새로운 녹색 발광 형광체와 그 제조방법에 관한 것으로서, 더욱 상세하게는 각종의 전자선에 의하여 여기되어 가시영역에서 발광 스펙트럼을 나타내는 녹색 발광 형광체에 있어, 모체물질로서 스피넬(Spinel) 구조를 갖는 Mg
2 SnO
4 를 사용하고 활성제로서 망간을 함유함으로써, 발광강도가 매우 우수하여 음극선관(CRT), 전계 방출 디스플레이(FED) 및 플라즈마 디스플레이(PDP)와 같은 전자 디스플레이용으로 매우 적합하고 여러 디스플레이 산업 등에 광범위하게 이용될 수 있도록 유용한 효과가 있는 새로운 녹색 발광 형광체와 그 제조방법에 관한 것이다.

公开(公告)号：KR1020020031005A

公开(公告)日：2002-04-26

申请号：KR1020000062034

申请日：2000-10-20

Applicant: 한국화학연구원

Inventor： 박희동 ,  김창해 ,  박정규 ,  박상미 ,  정양선

IPC: C09K11/02

CPC classification number: C09K11/025 ,  Y02B20/181

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 translation: 目的：提供使用组合合成装置检测基于氧化物的荧光材料的组成速率的复合聚合的组合化学合成。 通过组合化学合成的几个小型反应器进行检测，其根据计算机的控制快速且容易地合成均匀组合物的荧光材料粉末。 构成：上述合成方法包括：将0.1-1.0摩尔浓度的金属离子溶液，选自柠檬酸和乙二胺四乙酸（EDTA）和乙二醇的络合物形成剂的溶液混合到几个溶剂储存装置中，使得 0.01-0.2g最终的荧光材料，其中络合物形成剂和乙二醇的混合溶液的摩尔比为1.5-5:10-30，混合物用于2-5当量上述金属离子，基于 在复合成型剂上; 通过由计算机控制的溶液输入装置按照由计算机控制的位置控制器改变输入重量的分量比引入到前，后，左，右的试管反应器; 将上述反应器移动到强制空气循环干燥器，干燥并加热含金属溶液，过量络合物形成剂和乙二醇的复合材料，以聚合和合成复合聚合物前体; 并通过对电炉中的上述试管进行热处理，除去有机材料，冷却并用多个电池将热处理粉末前体冷却并移动到铝板上并再次进行热处理，从而制成不同组成的荧光材料。

公开(公告)号：KR1020020022456A

公开(公告)日：2002-03-27

申请号：KR1020000055239

申请日：2000-09-20

Applicant: 한국화학연구원

Inventor： 정하균 ,  박희동

IPC: C09K11/62 ,  B82B3/00

CPC classification number: C09K11/623 ,  C01P2004/03 ,  C01P2004/64 ,  Y02B20/181

Abstract: PURPOSE: A method for preparing a spherical zinc gallate-based green fluorescent substance ZnGa2O4:Mn is provided to obtain a nano-sized spherical material capable of being used as a fluorescent substance for a low voltage. CONSTITUTION: The method comprises the steps of adding a gallium compound and a urea precipitating agent to a mixture solution of water and alcohol in the ratio of 1:2-7 by volume, and hydrolyzing it to obtain gallium precipitate; dispersing the gallium precipitate into an aqueous mixture solution containing zinc and manganese; adding oxalic acid to the dispersion solution and controlling pH to be 6-9 with a basic solution to precipitate zinc and manganese; filtering and drying the precipitate; and calcining the dried one at 500-1,200 deg.C in air and heating the calcined one at 500-1,200 deg.C under a weak reductive atmosphere by using H2/N2 gas. Preferably the alcohol is at least one selected from the group consisting of ethanol, 1-propyl alcohol and isopropyl alcohol.

Abstract translation: 目的：提供一种制备球状没食子酸镓基绿色荧光物质ZnGa2O4：Mn的方法，以获得能够用作低电压荧光物质的纳米尺寸球形材料。 方案：该方法包括以1：2-7体积比的比例将镓化合物和脲沉淀剂加入到水和醇的混合溶液中，并水解得到镓沉淀物; 将镓沉淀物分散到含锌和锰的混合物水溶液中; 向分散液中加入草酸，用碱性溶液将pH值控制在6-9，使锌和锰沉淀; 过滤并干燥沉淀物; 并将空气中的干燥物在500-1200℃下煅烧，并通过使用H 2 / N 2气体在弱还原气氛下在500-1200℃下加热煅烧的。 优选醇是选自乙醇，1-丙醇和异丙醇中的至少一种。

公开(公告)号：KR1020010083359A

公开(公告)日：2001-09-01

申请号：KR1020000006561

申请日：2000-02-11

Applicant: 한국화학연구원

Inventor： 박희동 ,  김창해 ,  손기선 ,  박응석

IPC: C09K11/08

CPC classification number: C09K11/7734 ,  C04B35/50 ,  C04B35/64 ,  C04B2235/3217 ,  H01J11/42 ,  H01J29/20 ,  Y02B20/181

Abstract: PURPOSE: A barium magnesium aluminate(BAM) based blue fluorescent material is provided to accomplish superior brightness in UV area suitable to manufacture a lamp and/or a plasma display panel(PDP) by adding activating agent Eu2+ to BAM. CONSTITUTION: The BAM fluorescent material is defined as the formula(1) of Ba(a-b)Mg(c)Al(d)O(a+b+c+3/2d):Eu(b) (wherein 0.5=

Abstract translation: 目的：提供一种基于钡铝酸镁（BAM）的蓝色荧光材料，以通过向BAM中加入活化剂Eu2 +来实现适合制造灯和/或等离子体显示面板（PDP）的UV区域的优异亮度。 构成：BAM荧光材料定义为Ba（ab）Mg（c）Al（d）O（a + b + c + 3 / 2d）：Eu（b）（其中0.5 =

公开(公告)号：KR1020010046934A

公开(公告)日：2001-06-15

申请号：KR1019990050909

申请日：1999-11-16

Applicant: 한국화학연구원

Inventor： 박희동 ,  김창해 ,  손기선 ,  박응석 ,  최윤영

IPC: C09K11/08

CPC classification number: C09K11/7734 ,  C04B35/50 ,  C04B35/62655 ,  C04B35/6267 ,  C09K11/7731 ,  Y02B20/181

Abstract: PURPOSE: A barium aluminate-based fluorescent material and its preparation method are provided, which is improved in the luminous brightness under UV and VUV (vacuum UV) and is suitable for a lamp and PDP. CONSTITUTION: The barium aluminate-based fluorescent material is represented by the formula 1, wherein 0.5≤x≤1.5, 0≤y≤0.4, and 0≤z≤0.4. The color of the barium aluminate-based fluorescent material is blue when 0.5≤x≤1.5, y=0, and 0.02≤z≤0.4, and green when 0.5≤x≤1.5, 0.05≤y≤0.4, and z=0, or when 0.5≤x≤1.5, 0.005≤y≤0.4, and 0.05≤z ≤0.4. The method comprises the steps of dissolving the precursors of a fluorescent material, an activating material and a lubricant to make a precursor solution; and sintering the precursor solution under the reductive condition of hydrogen gas at 1,200-1,400 deg.C. Preferably the precursors are Ba(NO3)2, Al(NO3)3, Mn(NO3)2 and Eu(NO3)3.

Abstract translation: 目的：提供一种铝酸钡系荧光材料及其制备方法，其在UV和VUV（真空UV）下的发光亮度得到改善，适用于灯和PDP。 构成：铝酸钡系荧光体由式1表示，其中0.5≤x≤1.5,0≤y≤0.4,0≤z≤0.4。 当0.5≤x≤1.5，y = 0，0.02≤z≤0.4时，铝酸钡系荧光材料的颜色为蓝色，当0.5≤x≤1.5,0.05≤y≤0.4，z = 0时为绿色， 或当0.5≤x≤1.5,0.005≤y≤0.4,0.05≤z≤0.4时。 该方法包括以下步骤：将荧光材料的前体，活化材料和润滑剂溶解以制备前体溶液; 并在1200〜1400℃的氢气还原条件下烧结前体溶液。 优选前体是Ba（NO 3）2，Al（NO 3）3，Mn（NO 3）2和Eu（NO 3）3。

公开(公告)号：KR100285274B1

公开(公告)日：2001-03-15

申请号：KR1019990000982

申请日：1999-01-15

Applicant: 한국화학연구원

Inventor： 박희동 ,  류호진 ,  이승권

IPC: C09K11/64 ,  C09K11/08

Abstract: 본발명은가돌리늄알루미네이트계녹색형광체와이의제조방법에관한것으로서, 더욱상세하게는형광체모체인가돌리늄알루미네이트(GdAlO)에부활제로테르븀(Tb)을도핑함으로써저속전자선에서발광휘도와색순도가우수하고고진공에서도안정한물성을가지며저전압전자선여기에의해구동하는전계방출디스플레이(Field Emission Display, FED)에적합하도록고휘도를갖는다음화학식 1로표시되는가돌리늄알루미네이트계녹색형광체와이의제조방법에관한것이다.

公开(公告)号：KR100285273B1

公开(公告)日：2001-03-15

申请号：KR1019990007434

申请日：1999-03-06

Applicant: 한국화학연구원

Inventor： 박희동 ,  손기선 ,  조봉현

IPC: C09K11/08

Abstract: 본발명은 ZnSiO계녹색형광체와이의제조방법에관한것으로서, 더욱상세하게는형광체모체인규화아연에부활제로서산화망간이소정의농도범위로도핑되어있어진공자외선영역에서의발광효율이뛰어나고, 고진공에서도안정한물성을가지게되므로플라즈마디스플레이패널(plasma display panel, PDP)에적합한다음화학식 1로표시되는 PDP용 ZnSiO계녹색형광체와이의제조방법에관한것이다. 상기화학식 1에서 0

公开(公告)号：KR1020000066887A

公开(公告)日：2000-11-15

申请号：KR1019990014278

申请日：1999-04-21

Applicant: 한국화학연구원

Inventor： 박희동 ,  한정화 ,  김현정

IPC: C09K11/63

CPC classification number: C09K11/77 ,  C01P2004/03 ,  C04B35/62645 ,  Y02B20/181

Abstract: PURPOSE: Provided is a process for producing a yttrium niobate(formula 1: Y2-a-b NbaO4:bBi, 0.80≤a≤1.10 and 0.001≤b≤0.05) blue fluorescent material for low voltage, that has excellent luminous efficiency and stable physical properties at high vacuum by lowering the temperature of heat treatment and controlling the shape of a particle by adding boron oxide(B2O3) as a flux, and is applicable for use in field emission display(FED). CONSTITUTION: The process comprises the steps of: i)mixing yttrium oxide(Y2O3) and niobium oxide(Nb2O5) as a raw material of a fluorescent material, bismute oxide(Bi2O3) as an activator and boron oxide(B2O3) as a flux, followed by heating at 1,000-1,250°C; and then ii)eliminating an excess born oxide by boiling for 0.5-3hrs. in dilute aqueous acid, wherein, the yttrium oxide-the niobium oxide having a molar ratio Y/Nb of 1/0.08-1/1.10, a weight ratio of the bismute oxide to the yttrium oxide being 0.1-1.0, and a molar ratio of the boron oxide to the yttrium niobate being 1-6.

Abstract translation: 目的：提供具有优异的发光效率和稳定的物理性能的用于低电压的蓝色荧光材料的铌酸钇（式1：Y2-ab NbaO4：bBi，0.80≤a≤1.10和0.001≤b≤0.05）的制造方法 在高真空下通过降低热处理温度并通过添加氧化硼（B 2 O 3）作为助熔剂来控制颗粒的形状，并且可用于场发射显示（FED）。 方法：该方法包括以下步骤：i）将作为荧光材料的原料的氧化钇（Y 2 O 3）和氧化铌（Nb 2 O 5）混合，作为活化剂的氧化铋（Bi 2 O 3）和作为助熔剂的氧化硼（B 2 O 3） 然后在1,000-1,250℃加热; 然后ii）通过煮沸0.5-3小时除去过量的氧化铅。 在稀酸水溶液中，其中氧化钇 - 摩尔比Y / Nb为1 / 0.08-1 / 1.10的铌氧化物，氧化铋与氧化钇的重量比为0.1-1.0，摩尔比 的氧化铌至铌酸钇为1-6。

公开(公告)号：KR1020000059660A

公开(公告)日：2000-10-05

申请号：KR1019990007436

申请日：1999-03-06

Applicant: 한국화학연구원

Inventor： 박희동 ,  류호진 ,  박정규

IPC: C09K11/08

CPC classification number: C09K11/7703 ,  C04B35/46 ,  C04B35/50 ,  C04B35/64 ,  C04B2235/3224 ,  C04B2235/3232 ,  Y02B20/181

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.

Abstract translation: 目的：提供一种基于SrTiO3的红色荧光物质及其制备方法，具有优异的发光亮度和色纯度，在高真空下具有稳定的物理性能，适用于场发射显示（FED）。 构成：SrTiO 3系红色荧光物质由式1表示，其中a为0.0005以上且0.01以下， 并且b在0以上且1.0以下。 该方法包括以下步骤：将PrCl3和Al（OH）3添加到SrTiO3中，使Pr与Al的比例为0.001 / 0.02〜0.005 / 0.50摩尔; 干燥混合物; 在大气中在1000-1,400℃煅烧; 并将煅烧的粉碎。 优选PrCl 3与SrTiO 3的比例为0.0005-0.01:1（摩尔）; Al（OH）3与SrTiO3的比例小于1摩尔。