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公开(公告)号：KR1020020015504A
公开(公告)日：2002-02-28
申请号：KR1020000048629
申请日：2000-08-22
IPC: C09K11/08
CPC classification number: C09K11/7792 , C04B35/6267 , C09K11/7786 , H01J11/42 , H01J2211/42 , Y02B20/181
Abstract: PURPOSE: Provided is a preparation method of BAM-based blue fluorescent material by spray pyrolysis of the precursors after optimizing their composition. The above material has spherical shape with the filled inside and has few defective surfaces even without the use of solvent or colloids like conventional material. The material of the invention has the optimized powder characteristics showing excellent fluorescence and is used in plasma display. CONSTITUTION: The blue fluorescent material is represented by the formula 1:Ba(a)Mg(c)Al(d)O(a+b+c+3/2d):Eub, wherein 0.5
Abstract translation: 目的：提供一种基于BAM的蓝色荧光材料的制备方法，通过前体的喷雾热解优化其组成。 上述材料具有填充内部的球形形状，并且即使不使用像常规材料的溶剂或胶体，也具有少量缺陷表面。 本发明的材料具有显示优异荧光的优化粉末特性，并用于等离子显示。 构成：蓝色荧光材料由式1表示：Ba（a）Mg（c）Al（d）O（a + b + c + 3 / 2d）：Eub，其中0.5 <= a <= 1.5,0
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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
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=
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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
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。
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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
Abstract: 본발명은가돌리늄알루미네이트계녹색형광체와이의제조방법에관한것으로서, 더욱상세하게는형광체모체인가돌리늄알루미네이트(GdAlO)에부활제로테르븀(Tb)을도핑함으로써저속전자선에서발광휘도와색순도가우수하고고진공에서도안정한물성을가지며저전압전자선여기에의해구동하는전계방출디스플레이(Field Emission Display, FED)에적합하도록고휘도를갖는다음화학식 1로표시되는가돌리늄알루미네이트계녹색형광체와이의제조방법에관한것이다.
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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
IPC: C09K11/08
Abstract: 본발명은 ZnSiO계녹색형광체와이의제조방법에관한것으로서, 더욱상세하게는형광체모체인규화아연에부활제로서산화망간이소정의농도범위로도핑되어있어진공자외선영역에서의발광효율이뛰어나고, 고진공에서도안정한물성을가지게되므로플라즈마디스플레이패널(plasma display panel, PDP)에적합한다음화학식 1로표시되는 PDP용 ZnSiO계녹색형광체와이의제조방법에관한것이다. 상기화학식 1에서 0
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Patent Agency Ranking
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
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。
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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
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。
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公开(公告)号：KR1020000059658A
公开(公告)日：2000-10-05
申请号：KR1019990007434
申请日：1999-03-06
Applicant: 한국화학연구원
IPC: C09K11/08
CPC classification number: C09K11/595 , C04B35/14 , C04B35/64 , C04B2235/3418 , H01J11/42 , H01J2211/42 , Y02B20/181
Abstract: PURPOSE: A Zn2SiO4-based green fluorescent substance and its preparation method are provided, which has the excellent light-emitting efficiency in the vacuum UV region and the stable physical properties in high vacuum, and is suitable for plasma display panel (PDP). CONSTITUTION: The Zn2SiO4-based green fluorescent substance is represented by the formula: Zn2-aSiO4: aMn, wherein a is in the range of 0 to 0.05. The method comprises the steps of preparing Zn2SiO4 by using ZnO and SiO2; mixing 0.05 mol% of MnO or less with Zn2SiO4; calcining the mixture at 1,100-1,350°C for 2-24 hours; pulverizing the calcined one; and reducing the pulverized one at 900-1,200°C for 2-23 hours under the reductive atmosphere by hydrogen or carbon to obtain the green fluorescent substance.
Abstract translation: 目的：提供一种基于Zn2SiO4的绿色荧光物质及其制备方法，其在真空UV区域具有优异的发光效率和高真空下的稳定物理性能，适用于等离子体显示面板（PDP）。 构成：Zn2SiO4基绿色荧光物质由下式表示：Zn2-aSiO4：aMn，其中a在0至0.05的范围内。 该方法包括使用ZnO和SiO2制备Zn2SiO4的步骤; 将0.05mol％的MnO或更少与Zn2SiO4混合; 在1,100-1,350℃下煅烧混合物2-24小时; 粉碎煅烧的; 并在还原气氛下通过氢或碳在900-1200℃下将粉碎的物料还原2-23小时，得到绿色荧光物质。
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公开(公告)号：KR100265035B1
公开(公告)日：2000-09-01
申请号：KR1019980026486
申请日：1998-07-01
Applicant: 한국화학연구원
IPC: C09K11/54
Abstract: 본 발명은 규화아연계 녹색 형광체 및 그의 제조방법에 관한 것으로서, 더욱 상세하게는 형광체 모체인 규화아연에 부활제로 산화망간 이외에도 산화크롬, 산화마그네슘 또는 이들이 동시에 도핑됨으로써 진공자외선 영역에서 발광 효율이 뛰어나며 고진공에서도 안정한 물성을 가지며 잔광 시간이 짧아 플라즈마 디스플레이 패널(plasma display panel, PDP)에 적합한 다음 화학식 1로 표시되는 규화아연계 녹색 형광체 및 그의 제조방법에 관한 것이다.
Zn
2-ab Cr
a Mg
b SiO
4 :
c Mn
상기 화학식 1에서 0≤a≤0.1이고, 0≤b≤0.2이되, a=b≠0이고, 0.001≤c≤0.2이다.-
公开(公告)号：KR100513959B1
公开(公告)日：2005-09-13
申请号：KR1020020070443
申请日：2002-11-13
Applicant: 한국화학연구원
IPC: C09K11/02
Abstract: 본 발명은 물성, 특히 휘도 및 열화특성이 개선된 형광체의 제조방법에 관한 것으로, 보다 구체적으로는 PDP(플라즈마 디스플레이 패널)용 형광체, 예를 들면 구형 적색((Y,Gd)BO
3 :Eu, Y
2 O
3 :Eu, Gd
2 O
3 :Eu), 녹색(Zn
2 SiO
4 :Mn, YBO
3 :Tb, BaAl
12 O
19 :Mn), 청색 (BaMgAl
10 O
17 :Eu,BAM) 형광체 분말의 표면을 소수성이 되도록 표면의 친수성기 (예: 하이드록실기(-OH))를 알킬기, 아릴옥시기 또는 오가노실란기로 치환반응 시킴으로써 그의 열화특성 및 광특성을 개선시키는 방법에 관한 것이다. 본 발명에 의해 제조되어진 열화 및 휘도가 향상된 구형의 형광체는 고화질의 차세대 PDP 제조에 유리하게 이용될 수 있다.
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