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21.
公开(公告)号:KR1020030064098A
公开(公告)日:2003-07-31
申请号:KR1020020004541
申请日:2002-01-25
Applicant: 한국화학연구원
IPC: C09K11/83
CPC classification number: C09K11/7769 , C01P2002/70 , C09K11/7776 , C09K11/7777 , H01J2211/42 , Y02B20/181
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 translation: 目的:提供一种用于等离子体显示面板的YRO4基(R为As,Nb,P,V)红色荧光物质及其制备方法,其中红色荧光物质在VUV下具有优异的发光效率和良好的色纯度, 可以根据活化剂的组成和组成控制红色荧光物质的亮度强度。 构成:YRO4型红色荧光物质由Y1-k(NbmP1-m-nVn)O4:Euk表示,其中0.04
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公开(公告)号:KR1020030044679A
公开(公告)日:2003-06-09
申请号:KR1020010075517
申请日:2001-11-30
Applicant: 한국화학연구원
IPC: C09K11/81
CPC classification number: C09K11/7777 , C04B35/447 , H01J2211/42 , Y02B20/181
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。
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公开(公告)号:KR100364493B1
公开(公告)日:2002-12-18
申请号:KR1020000006561
申请日:2000-02-11
Applicant: 한국화학연구원
IPC: C09K11/08
Abstract: 본 발명은 바리움마그네슘알루미네이트(BAM)계 청색 형광체의 제조방법에 관한 것으로서, 더욱 상세하게는 바리움마그네슘알루미네이트(BaMgAl
10 O
17 )를 형광체 모체로 하고, 활성제로서 유로피움(Eu
2+ )을 첨가함으로써, UV에서 발광휘도가 최적이 되는 조성을 검색하여 램프 및 플라즈마 디스플레이 패널(Plasma Display Panel, PDP)에 적합한 다음 화학식 1로 표시되는 바리움마그네슘알루미네이트(BAM)계 청색 형광체의 제조방법에 관한 것이다.
Ba
ab Mg
c Al
d O
a+b+c+3/2d :Eu
b
상기 화학식 1에서 0.5≤ a ≤1.5 이고, 0< b ≤0.3 이고, 0.5≤ c ≤1.5 이고, 0< d ≤20 이다.-
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: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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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.
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