公开(公告)号：KR1020000075149A

公开(公告)日：2000-12-15

申请号：KR1019990019588

申请日：1999-05-29

Applicant: 한국화학연구원

Inventor： 박희동 ,  손기선 ,  조봉현

IPC: C09K11/54

CPC classification number: C09K11/623 ,  C09K11/595 ,  C09K11/646 ,  C09K11/676

Abstract: PURPOSE: A zinc silicate based green fluorescent material having excellent luminous efficiency in vacuum ultraviolet and stable physical properties under high vacuum and method of preparing the same by doping zinc silicate with manganese oxide and, if necessary, with a co-activator selected from aluminum oxide, gallium oxide and titanium oxide are provided which are suitable for plasma display panels (PDP) due to the short afterglow time. CONSTITUTION: The zinc silicate based green fluorescent material of formula; Zn2-aSi1-bO4 : aMn, bM, wherein a and b are 0 ≤ a ≤ 0.15, 0 ≤ b ≤ 0.02, respectively, and M is an element selected from Al, Ga and Ti is prepared by mixing silicate prepared using zinc oxide and silica as phosphor raw material with manganese oxide and a co-activator selected for aluminum oxide, gallium oxide and titanium oxide, calcining at 1,100 to 1,350°C, heating at 900 to 1,200°C under reducing atmosphere and grinding.

Abstract translation: 目的：一种基于硅酸锌的绿色荧光材料，其在真空紫外线中具有优异的发光效率并且在高真空下具有稳定的物理性能，并且通过用氧化锰掺杂硅酸锌和如果需要，使用选自氧化铝的共活化剂 提供了由于余辉时间短而适用于等离子体显示面板（PDP）的氧化镓和氧化钛。 构成：式中的硅酸锌基绿色荧光物质; Zn2-aSi1-bO4：aMn，bM，其中a和b分别为0≤a≤0.15,0≤b≤0.02，并且M是选自Al，Ga和Ti的元素，通过混合使用氧化锌制备的硅酸盐 二氧化硅作为氧化锰的荧光体原料和用于氧化铝，氧化镓和氧化钛的共活化剂，在1100〜1350℃下煅烧，在还原气氛下在900〜1200℃下加热研磨。

公开(公告)号：KR1020000007266A

公开(公告)日：2000-02-07

申请号：KR1019980026486

申请日：1998-07-01

Applicant: 한국화학연구원

Inventor： 박희동 ,  손기선 ,  조봉현

IPC: C09K11/54

CPC classification number: C09K11/595 ,  C04B35/14 ,  C04B35/64 ,  C04B2235/3418 ,  H01J11/42 ,  Y02B20/181

Abstract: PURPOSE: A silicified zinc green fluorescent body and its manufacturing method is provided which are used for a plasma display panel because of its excellent luminous efficiency in an area of vacuum ultraviolet and short afterglow time. CONSTITUTION: The compound having a formula of Zn2-a-bCraMgbSiO4:cMn is manufactured by mixing silicified zinc(Zn2SiO4) with manganese oxide, added with one or more compounds selected from chrome oxide and magnesium oxide, calcined at 1,100-1,350°C for 2-24 hr, and ground. In formula, 0.a.0.1, 0.b.0.2, a=b=0, 0.00 1.c.0.2. For an example, 2.82g zinc oxide(1.92 mole), 1.08g silicon dioxide(1.0 mole), 0.10g magnesium oxide(3.63 weight% of zinc oxide), and 0.0041g chrome oxide(0.097 weight% of zinc oxide) are mixed with acetone uniformly, calcined at 1,300°C for 4 hr in a crucible, cooled to 50°C, ground, calcined at 900°C for 2 hr to give the title compound. The emission spectrum(PL) and afterglow time of the product are shown in the fig.1.

Abstract translation: 目的：提供一种用于等离子体显示面板的硅化锌绿荧光体及其制造方法，因为其在真空紫外线和短余辉时间内的发光效率优异。 构成：具有式Zn2-a-bCraMgbSiO4：cMn的化合物是通过将硅化锌（Zn2SiO4）与氧化锰混合而制成的，加入一种或多种选自氧化铬和氧化镁的化合物，在1,100-1,350℃煅烧 2-24小时，并研磨。 在公式中，0.a.0.1，0.b.0.2，a = b = 0，0.00 1.c.0.2。 例如，将2.82g氧化锌（1.92摩尔），1.08g二氧化硅（1.0摩尔），0.10克氧化镁（3.63重量％氧化锌）和0.0041克氧化铬（0.097重量％氧化锌）混合 用丙酮均匀，在坩埚中在1300℃下煅烧4小时，冷却至50℃，研磨，在900℃下煅烧2小时，得到标题化合物。 产品的发射光谱（PL）和余辉时间如图1所示。

公开(公告)号：KR100319488B1

公开(公告)日：2002-01-05

申请号：KR1019990019588

申请日：1999-05-29

Applicant: 한국화학연구원

Inventor： 박희동 ,  손기선 ,  조봉현

IPC: C09K11/54

CPC classification number: C09K11/623 ,  C09K11/595 ,  C09K11/646 ,  C09K11/676

Abstract: 본발명은규화아연계녹색형광체에관한것으로서, 더욱상세하게는형광체모체인규화아연에부활제로산화망간이도핑되며또한 Si자리를제3의부활제로치환첨가함으로써진공자외선영역에서발광효율이뛰어나며고진공에서도안정한물성을가지므로플라즈마디스플레이패널(plasma display panel, PDP)에적합한다음화학식 1로표시되는 PDP용규화아연계녹색형광체에관한것이다. 상기화학식 1에서 : 0≤a≤0.05 이고, 0≤b≤0.02 이며, M은 Al, Ga 및 Ti 중에서선택된원소이다.

公开(公告)号：KR100267510B1

公开(公告)日：2000-11-01

申请号：KR1019980040033

申请日：1998-09-25

Applicant: 한국화학연구원

Inventor： 손기선 ,  박희동 ,  조봉현

IPC: C09K11/54 ,  C09K11/59

Abstract: 본 발명은 아연실리케이트계 녹색 형광체의 제조방법에 관한 것으로서, 더욱 상세하게는 아연실리케이트를 형광체 모체로 하고 여기에 부활제로 산화망간이 포함된 녹색형광체의 환원처리시 탄소분말을 사용하여 열처리함으로써 진공자외선에서 발광 효율이 뛰어나고 고진공에서도 안정한 물성을 가지며 잔광시간이 짧아 플라즈마 디스플레이 패널(plasma display panel, PDP)에 적합한 다음 화학식 1로 표시되는 아연실리케이트계 녹색 형광체의 제조방법에 관한 것이다.

Zn
2-x SiO
4 :xMn


상기 화학식 1에서 x는 0.001 ∼ 0.2이다.

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：KR1020000059658A

公开(公告)日：2000-10-05

申请号：KR1019990007434

申请日：1999-03-06

Applicant: 한국화학연구원

Inventor： 박희동 ,  손기선 ,  조봉현

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。

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

Inventor： 박희동 ,  손기선 ,  조봉현

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：KR1020000021095A

公开(公告)日：2000-04-15

申请号：KR1019980040033

申请日：1998-09-25

Applicant: 한국화학연구원

Inventor： 손기선 ,  박희동 ,  조봉현

IPC: C09K11/54 ,  C09K11/59

CPC classification number: C09K11/595 ,  C04B35/14 ,  C04B35/64 ,  C04B2235/3418 ,  H01J11/42 ,  H01J2211/42 ,  Y02B20/181

Abstract: PURPOSE: A zinc silicate-based green fluorescent material doped with manganese oxide (Zn2-xSiO4: xMn) is provided by reduction with carbon powder which is excellent in fluorescence efficiency in the range of vacuum ultra violet rays(500-550nm) and a stability under high vacuum. CONSTITUTION: The process comprises the steps of; adding zinc oxide and silicon dioxide in a mole ratio of 2: 1 to manganese oxide as an inactive material having a molar ratio MnO/ ZnO of 0.001 to 0.2; sintering at 1100-1350°C for 2-24hrs. in air, followed by ball milling in the presence of aceton, and adding 5-20 wt.% of carbon powder with the size being 0.05-5 micron meter; reduction the mixed powder at 1100-1300°C for 1-2hrs. in nitrogen atmosphere, and a milling again. The prepared powder can be widely used for plasma display panel (PDP) due to short remaining light.

Abstract translation: 目的：通过在真空紫外线（500-550nm）范围内的荧光效率优异的碳粉还原，稳定性提供掺杂有氧化锰（Zn2-xSiO4：xMn）的硅酸锌基绿色荧光材料 在高真空下。 规定：该过程包括以下步骤： 以摩尔比为2:1的氧化锌和二氧化硅与MnO / ZnO的摩尔比为0.001〜0.2的作为惰性材料的氧化锰相比， 在1100-1350℃烧结2-24小时。 在空气中，然后在丙酮存在下进行球磨，并加入5-20重量％的尺寸为0.05-5微米的碳粉; 将混合粉末在1100-1300℃下还原1-2小时。 在氮气气氛中再次研磨。 由于剩余光短，所制备的粉末可广泛用于等离子体显示面板（PDP）。