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公开(公告)号：KR1020050098462A
公开(公告)日：2005-10-12
申请号：KR1020040023695
申请日：2004-04-07
Applicant: 엘지이노텍 주식회사 , 한국화학연구원
IPC: H01L33/50
CPC classification number: H01L33/504 , C09K11/7734 , H01L33/502 , H01L2224/48091 , H01L2224/48247 , H01L2224/48257 , H01L2224/8592 , H01L2924/181 , H05B33/14 , Y02B20/181 , H01L2924/00014 , H01L2924/00012
Abstract: 본 발명은 발광다이오드의 몰드 물질에 포함되는 형광체에 있어서, 400 ~ 480nm영역에 주피크를 가진 화합물 반도체에서 발생되는 광에 의하여 여기되어 550 ~ 600nm 영역에 주피크를 갖으며 Sr
3-x SiO
5 :Eu
2+
x (0 2-x SiO
4 :Eu
2+
x 또는 Ca
1-x MgSi
2 O
7 :Eu
2+
x 또는 Sr
2-x SiO
4 :Eu
2+
x (0.001≤x ≤1)중 어느 하나의 실리케이트계 녹색 형광체가 포함된 것을 특징으로 하는 형광체와 상기 형광체를 이용한 백색 발광다이오드에 관한 것이다.
본 발명에 의하면 종래의 YAC:Ce 형광체를 이용한 백색 발광다이오드 보다 높은 색온도 및 연색성지수를 갖는 백색 발광 다이오드를 제공할 수 있으며, 또한 실리케이트계 황색 형광체와 실리케이트계 녹색 형광체의 혼합 비율을 변화시킴으로써 색좌표 및 색온도, 연색성 지수의 제어를 가능하게 한다.-
公开(公告)号：KR100471045B1
公开(公告)日：2005-03-08
申请号：KR1020010080103
申请日：2001-12-17
Applicant: 한국화학연구원
IPC: C01B31/02 , H01L21/316 , C23C16/16
Abstract: 본 발명은 할로겐 램프를 이용한 복합소재 제조 장치에 관한 것으로서, 보다 상세하게는 할로겐 램프를 이용한 열구배 화학기상침투법에 의한 복합소재 제조 장치에 관한 것이다.
이를 위해, 본 발명은 전구체 섬유(fiber)로 직조된 프리폼(preform)을 반응기내에 장착한 후, 프리폼의 미세한 기공으로 전구체 가스를 통과시키는 동시에 프리폼의 내부에 열분해에 의한 기지물질이 형성되어 이루어지는 복합재료 제조시, 상기 프리폼의 상부 일측에서 반대쪽으로 할로겐 램프를 이동시켜 열구배를 유도함으로써, 공정시간을 크게 단축시키면서, 밀도가 높고 균일하며, 미세한 크랙과 결함이 없는 증착층을 형성시켜줄 수 있도록 한 할로겐 램프를 이용한 열구배 화학기상침투법에 의한 복합소재 제조 장치를 제공한다.-
公开(公告)号：KR100447936B1
公开(公告)日：2004-09-08
申请号：KR1020010077333
申请日：2001-12-07
Applicant: 한국화학연구원
IPC: C09K11/59
Abstract: PURPOSE: A vacuum UV excited green fluorescent substance and its preparation method are provided, wherein the fluorescent substance shows excellent luminance and dispersibility, reduced aggregation and a uniform spherical shape and is useful for preparing a plasma display panel. CONSTITUTION: The vacuum UV excited green fluorescent substance is represented by the formula: (Zn(1-x)Mnx)O·ySiO2, wherein 0.005
Abstract translation: 目的：提供一种真空紫外激发的绿色荧光物质及其制备方法，其中荧光物质显示出优异的亮度和分散性，减少的聚集和均匀的球形，并且可用于制备等离子体显示面板。 构成：真空紫外激发的绿色荧光物质由下式表示：（Zn（1-x）Mn x）O＆middot; y SiO 2，其中0.005≤x≤0.16和1.6≤y≤2.5。 该方法包括以下步骤：将乙醇与原硅酸四乙酯混合，并向混合物中加入液氨和水以水解它们以沉淀硅酸盐水合物; 将硅酸盐水合物分散在含有锰和锌的前体水溶液中，并向该溶液中加入草酸溶液以将该组分共沉淀为草酸盐; 并干燥共沉淀物并在1000-1100℃的温度下加热。 优选在加入草酸溶液后将溶液的pH调节至7-8; 和/或共沉淀物在加热后在还原条件下在800-900℃的温度下进一步加热。
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104.发明公开
公开(公告)号：KR1020040069547A
公开(公告)日：2004-08-06
申请号：KR1020030005976
申请日：2003-01-29
Applicant: 한국화학연구원
IPC: C09K11/59
CPC classification number: C09K11/7734
Abstract: PURPOSE: A strontium silicate-based yellow phosphor for long wavelength UV excitation and its preparation method are provided, to improve luminous efficiency by doping a strontium silicate matrix with europium oxide. CONSTITUTION: The strontium silicate-based yellow phosphor is represented by Sr(2-x)SiO4: Eu¬2+_x, wherein 0.001
Abstract translation: 目的：提供一种用于长波紫外激发的硅酸锶黄色荧光粉及其制备方法，通过用氧化铕掺杂硅酸锶基质来提高发光效率。 构成：硅酸锶基黄色荧光体由Sr（2-x）SiO4：Eu2 + _x表示，其中0.001 <= x <= 1。 该方法包括以下步骤：称量碳酸锶，二氧化硅和氧化铕，并将其混合在溶剂中; 将混合物在100-150℃的烘箱中干燥1-24小时; 将干燥的混合物置于高纯氧化铝舟皿上，并在800-1500℃的氢气混合气体还原条件下，在电炉中加热1-48小时。 优选地，氢混合气体使用氢含量为2-25重量％的氮。
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公开(公告)号：KR1020030095043A
公开(公告)日：2003-12-18
申请号：KR1020020032551
申请日：2002-06-11
Applicant: 한국화학연구원
IPC: C09K11/85
CPC classification number: C09K11/7772 , C09K11/7704 , C09K11/7719 , H01J61/44 , Y02B20/181
Abstract: PURPOSE: A halogenide-based blue fluorescent substance and its preparation method are provided, to improve the emission luminance by a low voltage electron ray, the stability in high vacuum and the color purity. CONSTITUTION: The halogenide-based blue fluorescent substance is represented by Ln1-aOX:Cea, wherein Ln is La, Y or Gd; X is Br, Cl or F; and 0.005
Abstract translation: 目的：提供一种卤化物蓝色荧光物质及其制备方法，通过低电压电子射线提高发光亮度，提高高真空度下的稳定性和色纯度。 构成：卤化物系蓝色荧光物质由Ln1-aOX：Cea表示，其中Ln为La，Y或Gd; X是Br，Cl或F; 和0.005 <= a <1.0。 该方法包括以下步骤：向镧系元素（Ln）水溶液中加入尿素水解并过滤并干燥; 并将一种含卤素（X）的溶液和含铈（Ce）的溶液逐滴地干燥，干燥并在还原气氛下在800-1,400℃的温度下烧结所得的粉末。 优选地，镧系元素（Ln）水溶液的浓度为0.05-1.5mol / L。
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Patent Agency Ranking
公开(公告)号：KR1020030046986A
公开(公告)日：2003-06-18
申请号：KR1020010077333
申请日：2001-12-07
Applicant: 한국화학연구원
IPC: C09K11/59
CPC classification number: C09K11/595 , C01P2002/70 , C01P2004/03 , H01J2211/42 , Y02B20/181
Abstract: PURPOSE: A vacuum UV excited green fluorescent substance and its preparation method are provided, wherein the fluorescent substance shows excellent luminance and dispersibility, reduced aggregation and a uniform spherical shape and is useful for preparing a plasma display panel. CONSTITUTION: The vacuum UV excited green fluorescent substance is represented by the formula: (Zn(1-x)Mnx)O·ySiO2, wherein 0.005
Abstract translation: 目的：提供一种真空紫外激发绿色荧光物质及其制备方法，其中荧光物质具有优异的亮度和分散性，减少的聚集和均匀的球形，并且可用于制备等离子体显示面板。 构成：真空UV激发的绿色荧光物质由下式表示：（Zn（1-x）Mn x）O·ySiO 2，其中0.005 <= x <= 0.16且1.6 <= y <= 2.5。 该方法包括以下步骤：将乙醇与原硅酸四乙酯混合，并向混合物中加入液氨和水以水解它们以沉淀硅酸盐水合物; 将硅酸盐水合物分散在含有锰和锌的前体水溶液中，并向溶液中加入草酸溶液以将组分共沉淀成草酸盐; 并干燥共沉淀物并在1000-1100℃的温度下加热。 优选在加入草酸溶液后将溶液的pH调节至7-8; 和/或共沉淀物在加热后的还原条件下在800-900℃的温度下进一步加热。
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公开(公告)号：KR1020020040500A
公开(公告)日：2002-05-30
申请号：KR1020000070564
申请日：2000-11-24
Applicant: 한국화학연구원
IPC: B01J2/06
CPC classification number: B01J19/0033 , B01J2/04 , B01J2219/00186
Abstract: PURPOSE: Provided is a gas phase combinatorial chemistry synthetic device which synthesizes the powder of phosphors according to the composition ratio simply and continuously, controlled by a computer. The ratio of the composition is controlled by the changing quantity of the spraying solution. The device makes the synthesis fast and enables the low cost detection, in reduced time, of the composition ratio of dielectric materials, magnetic substances, material for electrodes and catalysts. CONSTITUTION: The device comprises: several solution storage tanks(1) which keep a certain quantity of various metal ion solution such as metal nitrate, metal acetate and metal chelate; a delivery pipe, a revolving speed induction motor which is computer controlled, and a solution introducing equipment which is composed of a pump head with the delivery pipe introducing a certain amount of different metal ion solution at the same time with a certain speed and time to suit each composition ratio; a high temperature tube reactor(4) or a spray equipment of air nozzle or micro wave nozzle which sprays solution as liquid into a flame reactor; a high temperature tube vapor reaction reactor with 1-2 meter length or flame reactor equipped with quarts tube or ceramic tube; a detector(5) which detects the existence or non-existence of powder and controls the operation of powder recovery equipment; a filter connected to a vacuum pump(7) and a continuous powder collecting equipment(6) composed of revolving belt with the filter which is controlled by a computer; a recovery equipment(8) for waste solution and waste powder which are not collected; and a computer(9) controlling the whole device.
Abstract translation: 目的：提供一种气相组合化学合成装置，其根据组成比简单且连续地合成荧光粉粉末，由计算机控制。 组合物的比例由喷雾溶液的变化量控制。 该装置使得合成快速，并且能够在缩短的时间内低成本地检测介电材料，磁性物质，电极材料和催化剂的组成比。 构成：该装置包括：几个溶液储罐（1），保存一定量的各种金属离子溶液，如金属硝酸盐，金属乙酸盐和金属螯合物; 输送管，计算机控制的转速感应电动机和由泵头组成的解决方案导入装置，输送管同时以一定的速度和时间引入一定量的不同的金属离子溶液 适合各组成比; 高温管式反应器（4）或空气喷嘴或微波喷嘴的喷雾设备，将溶液作为液体喷射到火焰反应器中; 长1-2米的高温管蒸汽反应釜或配有石英管或陶瓷管的火焰反应器; 检测器（5），其检测粉末的存在或不存在并控制粉末回收设备的操作; 连接到真空泵（7）的过滤器和由计算机控制的具有过滤器的旋转带组成的连续粉末收集设备（6） 不收集废液和废粉的回收设备（8） 以及控制整个设备的计算机（9）。
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公开(公告)号：KR1020020006193A
公开(公告)日：2002-01-19
申请号：KR1020000039701
申请日：2000-07-11
Applicant: 한국화학연구원
IPC: G01N21/64
Abstract: PURPOSE: A combinatorial chemistry synthesizing device for fluorescent substance search and a fluorescent characteristic measuring device are provided to manufacture the fluorescent substances with uniform composition by producing metal oxide precursors of the fluorescent substances from solutions and manufacture the fluorescent substance in the condition of powder by carrying out heat treatment immediately after synthesizing the precursors by using cell reactors formed of ceramic. CONSTITUTION: A combinatorial chemistry synthesizing device for searching fluorescent substances includes a plurality of solution storing units(10) for storing solutions of various compositions by predetermined amounts, solution injection units(20) for injection the solutions of a predetermined concentration by using a motor controlled by a computer, a plurality of cell reactors(30) including cells disposed with predetermined distance in every direction and a plate(40) for stacking the cell reactors, and a position controlling unit(50) for moving the position of the plate including the cell reactors in every direction precisely under the control of the computer.
Abstract translation: 目的：提供用于荧光物质检索的组合化学合成装置和荧光特征测量装置，以通过从溶液中制备荧光物质的金属氧化物前体制备具有均匀组成的荧光物质，并通过携带来制造粉状条件下的荧光物质 在通过使用由陶瓷形成的电池反应器合成前体后立即进行热处理。 构成：用于搜索荧光物质的组合化学合成装置包括多个用于存储预定量的各种组成溶液的溶液储存单元（10），用于通过使用电机控制的方式注入预定浓度的溶液的溶液注入单元（20） 通过计算机，包括在每个方向上以预定距离布置的单元的多个单元电抗器（30）和用于堆叠单元电抗器的板（40），以及位置控制单元（50），用于使包括 电池在每个方向正好在电脑的控制下。
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公开(公告)号：KR1020020003886A
公开(公告)日：2002-01-16
申请号：KR1020000034031
申请日：2000-06-21
Applicant: 한국화학연구원
IPC: C09K11/08
CPC classification number: C09K11/7769 , C04B35/50 , C04B35/64 , C04B2235/3286 , Y02B20/181
Abstract: PURPOSE: A lanthanum gallate-based red fluorescent substance and its preparation method are provided, to improve the brightness at a low velocity electron ray and the stability under the high vacuum. CONSTITUTION: The lanthanum gallate-based red fluorescent substance is represented by La1-xGaO3;Eux, wherein x is a mole fraction of Eu to La and 0.0005
Abstract translation: 目的：提供无铼酸镧系红色荧光物质及其制备方法，以提高低速电子束的亮度和高真空下的稳定性。 构成：没有没有特定枸橼酸镧的红色荧光物质由La1-xGaO3; Eux表示，其中x是Eu对La的摩尔分数，0.0005 <= x <= 0.5，优选0.05 <= x <= 0.2。 该方法包括将氧化镧（La 2 O 3），氧化镓（Ga 2 O 3）和氧化铕（Eu 2 O 3）与Eu至La的摩尔分数混合为0.0005-0.5的步骤以制备混合物; 在1100-1600℃，优选1,200-1,400℃的温度下在大气压下烧结该混合物，得到烧结体; 粉碎烧结后的红色荧光物质。
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公开(公告)号：KR100142920B1
公开(公告)日：1998-07-15
申请号：KR1019950016619
申请日：1995-06-21
Applicant: 한국화학연구원
IPC: C01G25/04
Abstract: 본 발명은 고순도 옥시염화지르코늄의 제조방법에 관한 것으로서, 더욱 상세하게는 지르콘 분말과 탄산칼슘을 고온 분해반응시켜 생성된 지르콘산칼슘(CaZrO
3 )을 진한 염산에 녹이고 황산을 첨가한뒤 알칼리용액을 첨가하여 염기성 황산지르코늄(Basic Zirconium Sulfate)를 침전시킨 후, 이 침전물에 암모니아를 사용하여 수산화지르코늄으로 전환하고, 이를 염산에 녹여 제조된 옥시염화지르코늄 수용액을 증발농축시킨 다음 진한 염산을 첨가하고 상온으로 냉각시켜 단 한번의 결정화 과정에 의해 고순도의 옥시 염화지르코늄(ZrOCl
2 ·8H
2 O) 결정을 제조하는 방법에 관한것이다.
옥시염화지르코늄(Zirconium oxychloride)은 매염제, 코팅제 등의 원료로 광범위하게 사용되고 있으며, 특히 고순도 옥시염화지르코늄의 경우 지르코니아 세라믹스의 필수 원료물질로 사용되고 있다.
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