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1.发明授权비유기성 고분자 용액을 이용한 분무열분해법에 의한바륨마그네슘알루미네이트계 청색 및 녹색 형광체 분말의제조방법 失效비유기성고분자용액을이용한분무해법에의한바륨마그네슘알루미네이트계청색및녹색체분말의제조방법
公开(公告)号：KR100411176B1
公开(公告)日：2003-12-18
申请号：KR1020010009341
申请日：2001-02-23
Applicant: 한국화학연구원
IPC: C09K11/02
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
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公开(公告)号：KR1020030083842A
公开(公告)日：2003-11-01
申请号：KR1020020022027
申请日：2002-04-22
Applicant: 한국화학연구원
IPC: C09K11/64
CPC classification number: C09K11/7774 , C01P2004/03 , C04B35/6267 , C04B2235/3217 , C09K11/7768 , C09K11/7786 , C09K11/7792 , Y02B20/181
Abstract: PURPOSE: A method for preparing an aluminate-based fluorescent substance powder and an aluminate-based fluorescent substance powder prepared by the method are provided, to improve the luminous efficiency by reducing the surface defect and the distribution of particle size. CONSTITUTION: The method comprises the steps of adding a basic additive to an aqueous solvent containing an aluminum salt to prepare an aluminum polymerization cation solution with a pH of 2.5-5; dissolving at least one metal compound for forming a fluorescent substance main body and at least one metal compound for doping the fluorescent substance main body in the aluminum polymerization cation solution to prepare a fluorescent substance particle precursor solution; injecting the precursor solution into an aerosol generator to form aerosol; drying and thermally decomposing the aerosol; and heating the obtained particle to grow crystal.
Abstract translation: 目的：提供一种通过该方法制备铝酸盐系荧光体粉末和铝酸盐系荧光体粉末的方法，通过减少表面缺陷和粒径分布来提高发光效率。 方案：该方法包括在含有铝盐的水性溶剂中加入碱性添加剂以制备pH为2.5-5的铝聚合阳离子溶液的步骤; 溶解用于形成荧光体主体的至少一种金属化合物和用于在铝聚合阳离子溶液中掺杂荧光物质主体的至少一种金属化合物以制备荧光物质颗粒前体溶液; 将前体溶液注入气溶胶发生器以形成气溶胶; 干燥和热分解气溶胶; 并加热所得颗粒以生长晶体。
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Patent Agency Ranking
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：KR1020020084502A
公开(公告)日：2002-11-09
申请号：KR1020010023819
申请日：2001-05-02
Applicant: 한국화학연구원
IPC: C09K11/02
CPC classification number: C09K11/7706 , C01P2004/03 , C04B35/6267 , C09K11/7721 , C09K11/7734 , C09K11/7749 , C09K11/7768 , C09K11/7774 , C09K11/7786 , C09K11/7792 , Y02B20/181
Abstract: PURPOSE: An aluminate-based blue and green fluorescent substance powder and its preparation method are provided to obtain a fluorescent substance which is not hollow and is improved in the light-emitting characteristic and whose spherical shape is maintained stably after heating. CONSTITUTION: The aluminate-based blue and green fluorescent substance powder is represented by QxMgyAlzOw:Dv, wherein Q is Ba or Ce; D is Eu, Mn or Tb; and 0
Abstract translation: 目的：提供一种铝酸盐蓝色和绿色荧光物质粉末及其制备方法，以获得不中空的荧光物质，并且在发光特性方面得到改善，并且其加热后球形保持稳定。 构成：铝酸盐系蓝色和绿色荧光物质粉末由QxMgyAlzOw：Dv表示，其中Q为Ba或Ce; D是Eu，Mn或Tb; 当Q为Ba且D为0时，0
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公开(公告)号：KR1020030049789A
公开(公告)日：2003-06-25
申请号：KR1020010080103
申请日：2001-12-17
Applicant: 한국화학연구원
IPC: C01B31/02 , H01L21/316 , C23C16/16
CPC classification number: H01L21/205 , C23C16/402 , H01L21/02164 , H01L21/02271
Abstract: PURPOSE: An apparatus for preparing composite material by thermal gradient chemical vapor infiltration using halogen lamp is provided to shorten process time and form uniformed deposition layer having high density without fine cracks and flaws when preparing precursor composite material by applying chemical vapor infiltration. CONSTITUTION: The apparatus for preparing composite material by thermal gradient chemical vapor infiltration using halogen lamp comprises a reactor(10) having a certain volume to the inner wall surface of which a stationary stand(22) is adhered; a precursor preform(12) put on the stationary stand of the reactor; a halogen lamp(14) installed on the upper surface of the reactor in such a way that the halogen lamp is moved side to side by a moving means so that the halogen lamp irradiates light onto the precursor preform; a solution storage tank(16) connected to the lower part of one side surface of the reactor by first tube(24) so that the solution storage tank is connected to a space in the lower side of the precursor preform; argon storage tank(18) and oxygen storage tank(20) connected to the lower part of the opposite side of the reactor by second tube(26); first heater(30) installed on the first tube to perform phase transition of the precursor passing through the first tube from solid phase to gas phase; a trap(34) connected to the upper part of one side surface of the reactor by third tube(28) so that the trap is connected to a space in the upper side of precursor preform; second heater(32) installed the third tube to heat non-reactants, reaction byproducts and air passing through the third tube; and a vacuum pump(36) connected to the trap.
Abstract translation: 目的：通过使用卤素灯通过热梯度化学气相渗透制备复合材料的装置，以通过应用化学气相渗透来制备前体复合材料，缩短工艺时间并形成具有高密度的均匀沉积层，而没有细小的裂缝和缺陷。 构成：使用卤素灯通过热梯度化学气相渗透制备复合材料的装置包括：反应器（10），其内壁表面具有一定的体积固定的支架（22）; 放置在反应器的固定台上的前体预制件（12） 卤素灯（14），其安装在反应器的上表面上，使得卤素灯由移动装置一侧移动，使得卤素灯将光照射到前体预型件上; 溶液储存罐（16），其通过第一管（24）连接到所述反应器的一个侧表面的下部，使得所述溶液储存罐连接到所述前体预型件的下侧的空间; 氩贮存罐（18）和氧储存罐（20），通过第二管（26）连接到反应器的相对侧的下部; 第一加热器（30）安装在第一管上，以使通过第一管的前体从固相到气相的相变; 捕集器（34），其通过第三管（28）连接到反应器的一个侧表面的上部，使得捕集器连接到前体预成型件的上侧的空间; 第二加热器（32）安装第三管以加热非反应物，反应副产物和空气通过第三管; 以及连接到所述捕集器的真空泵（36）。
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公开(公告)号：KR100492521B1
公开(公告)日：2005-06-03
申请号：KR1020020022027
申请日：2002-04-22
Applicant: 한국화학연구원
IPC: C09K11/64
Abstract: 본 발명은 알루미네이트계 형광체 분말의 제조방법에 관한 것으로서, 본 발명의 방법에 따라, 분무 용액 제조시 전구체 용액에 알루미늄의 원료로서 알루미늄 화합물과 염기성 첨가제를 이용하여 알루미늄 중합 양이온 용액을 사용하여 제조된 알루미네이트계 형광체는, 속이 차고 치밀하며 완벽한 구형의 형상을 가지면서 표면 결함이 적어 발광특성이 우수하고 입도 분포가 좋아 평판 디스플레이 및 삼파장 램프용 형광체로서 유용하게 사용될 수 있다.
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7.发明公开비유기성 고분자 용액을 이용한 분무열분해법에 의한바륨마그네슘알루미네이트계 청색 및 녹색 형광체 분말의제조방법 失效通过使用无机聚合物溶液的喷雾热解制备硼酸镁基蓝和绿色荧光物质粉末的制备方法
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
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
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