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公开(公告)号：KR100424865B1
公开(公告)日：2004-03-27
申请号：KR1020010024669
申请日：2001-05-07
Applicant: 한국화학연구원
Abstract: PURPOSE: A spherical silicate-based fluorescent substance and its preparation method are provided, which fluorescent substance is remarkably improved in the light-emitting characteristic and is useful to a display or a lamp. CONSTITUTION: The spherical silicate-based fluorescent substance is represented by QxSiOy:D, wherein Q is Zn or Y; D is Mn, Ce, Tb or Eu; and 0.001
Abstract translation: 目的：提供球形硅酸盐基荧光物质及其制备方法，该荧光物质的发光特性显着改善，并且对显示器或灯有用。 构成：基于球形硅酸盐的荧光物质由QxSiOy：D表示，其中Q是Zn或Y; D是Mn，Ce，Tb或Eu; 当Q是Zn且D是Mn时，0.001
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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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公开(公告)号：KR1020030091016A
公开(公告)日：2003-12-01
申请号：KR1020020028936
申请日：2002-05-24
Applicant: 한국화학연구원
IPC: C01G23/047 , B82B3/00
CPC classification number: C01G23/08 , C01P2004/32 , C01P2004/61 , C01P2006/12
Abstract: PURPOSE: Provided is a process for preparing spherical porous titania powder having an uniform size, a high surface area and a dense structure suitable to be used in a photo-catalyst, a white pigment and a cosmetic material. CONSTITUTION: The process for preparing spherical porous titania powder comprises the steps of: (1) dispersing or dissolving a mixture of fumed titania with titanium isopropoxide, or with an oxide of a metal selected from the group consisting of silicon, aluminum and zinc into a solvent to form titania compound solution having a concentration of 0.02-3M; (2) introducing the solution into a pulverizer to generate liquid droplets having a diameter of 0.1-100 micrometers; and (3) drying and heat treating the liquid droplets at the temperature of 600-1000 deg.C for 0.6 to 10 seconds.
Abstract translation: 目的：提供一种制备具有均匀尺寸，高表面积和适用于光催化剂，白色颜料和化妆品材料的致密结构的球形多孔二氧化钛粉末的方法。 构成：制备球形多孔二氧化钛粉末的方法包括以下步骤：（1）将热解的二氧化钛与异丙醇钛的混合物或选自硅，铝和锌的金属的氧化物分散或溶解到 溶剂形成浓度为0.02-3M的二氧化钛化合物溶液; （2）将溶液引入粉碎机中以产生直径为0.1-100微米的液滴; 和（3）在600-1000℃的温度下干燥和热处理液滴0.6至10秒。
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公开(公告)号：KR1020030073385A
公开(公告)日：2003-09-19
申请号：KR1020020012931
申请日：2002-03-11
Applicant: 한국화학연구원
IPC: C09K11/59
CPC classification number: C09K11/595 , C01P2004/03 , C01P2004/60 , Y02B20/181
Abstract: PURPOSE: Provided are a globular green phosphor based on zinc silicide, having short afterglow time and excellent luminous brightness, and a method for producing the same by using a spray pyrolysis. CONSTITUTION: The phosphor is represented by formula 1: Zn2-xSi1-y-zO4:Mnx,Dy,Liz(wherein D is selected from Ba, Gd, and Al, 0.001
Abstract translation: 目的：提供一种基于硅化锌的球状绿色荧光体，具有短的余辉时间和优异的发光亮度，以及使用喷雾热解法制备该荧光体的方法。 构成：荧光体由式1表示：Zn2-xSi1-y-zO4：Mnx，Dy，Liz（其中D选自Ba，Gd和Al，0.001
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公开(公告)号：KR1020030053919A
公开(公告)日：2003-07-02
申请号：KR1020010083950
申请日：2001-12-24
Applicant: 한국화학연구원
IPC: C09K11/81
CPC classification number: C09K11/7737 , C01P2004/03 , C09K11/7731 , C09K11/7733 , Y02B20/181
Abstract: PURPOSE: A blue halophosphate-based fluorescent substance for a long wavelength UV, its preparation method and a long wavelength UV emitting device containing the fluorescent substance are provided, which substance has a high absorption peak at a wavelength of 380-420 nm and a high luminance by two times compared with an already-existing blue fluorescent substance. CONSTITUTION: The halophosphate-based fluorescent substance is represented by (Sr(1-x), Mgx)(10-y)(PO4)6Cl2:Euy+2+, wherein 0
Abstract translation: 目的：提供一种用于长波长紫外线的蓝色卤代磷酸盐荧光物质及其制备方法和含有荧光物质的长波长紫外线发射装置，该物质在波长380-420nm具有高吸收峰，高 与现有的蓝色荧光物质相比，亮度提高了两倍。 构成：卤代磷酸酯类荧光物质由（Sr（1-x），Mgx）（10-y）（PO4）6Cl2：Euy + 2 +表示，其中0
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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：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：KR1020020075058A
公开(公告)日：2002-10-04
申请号：KR1020010015232
申请日：2001-03-23
Applicant: 한국화학연구원
IPC: C09K11/02
CPC classification number: C09K11/7797 , C01P2004/03 , C04B35/6267 , Y02B20/181
Abstract: PURPOSE: A method for preparing a spherical red fluorescent substance and a spherical red fluorescent substance prepared by the method are provided, which fluorescent substance has no hollow in the inside and whose spherical shape is maintained uniformly after heating. CONSTITUTION: The spherical red fluorescent substance is represented by (YxGd(1-x-y))(2-z)BzO3 : Euy, wherein z is 0 or 1; 0
Abstract translation: 目的：提供一种通过该方法制备的球形红色荧光物质和球形红色荧光物质的方法，该荧光物质在内部没有中空，加热后球形保持均匀。 构成：球状红色荧光物质由（YxGd（1-x-y））（2-z）BzO3：Euy表示，其中z为0或1; 0 <= X <= 1; 和0.005 <= y <= 0.5。 该方法包括以下步骤：将构成荧光物质体的前体材料，将体内的活化剂前体材料和形成聚合物材料的柠檬酸和乙二醇溶解到蒸馏水或乙醇中，制备0.02-3M荧光颗粒前体 解; 将前体溶液注入喷雾装置以产生0.1-100微米的液滴; 并将液滴注入200-1,500℃的反应器中以制备荧光物质粉末并加热所得粉末。 优选地，加热过程在800-1500℃的温度下进行1-5小时。
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公开(公告)号：KR1020020050675A
公开(公告)日：2002-06-27
申请号：KR1020000079928
申请日：2000-12-21
Applicant: 한국화학연구원
IPC: C09K11/08
CPC classification number: C09K11/7795 , C01P2002/70 , C01P2004/03 , C04B35/6267 , C09K11/779 , Y02B20/181
Abstract: PURPOSE: Provided is a process for producing halophosphate-based phosphor powder by spray pyrolysis, which can produce uniform and perfect spherical powder having a high brightness. CONSTITUTION: The process comprises the steps of: preparing a 0.02-2M precursor solution of the phosphor powder by dissolving the precursor of a phosphor matrix and the precursor of an active agent doping the matrix in distilled water or alcohol; generating droplets with a diameter of 0.1-100 micrometer by injecting the precursor solution into a spray device; producing the halophosphate-based phosphor powder(formula: M5(PO4)3Cl:D) by injecting the generated droplets into a reactor with a temperature of 200-1500deg.C; additionally, post-treating the obtained phosphor powder(formula: M5(PO4)3Cl:D) at a temperature of 800-1500deg.C for 1-5 hours in the air or reduced gas. In the formula, M is at least one selected from the 2A or 2B group metal in the periodic table and D is Eu or Mn.
Abstract translation: 目的：提供通过喷雾热解生产卤代磷酸盐荧光体粉末的方法，其可以产生具有高亮度的均匀且完美的球形粉末。 方法：该方法包括以下步骤：通过将磷光体基质的前体和掺杂在基质中的活性剂的前体溶解在蒸馏水或醇中来制备磷光体粉末的0.02-2M前体溶液; 通过将前体溶液注入喷雾装置中产生直径为0.1-100微米的液滴; 通过将产生的液滴注入到温度为200-1500℃的反应器中，生产卤代磷酸盐荧光体粉末（式（M5（PO4）3Cl:D））; 此外，在空气或还原气体中，在800-1500℃的温度下将得到的荧光体粉末（式（M5（PO4）3Cl:D））后处理1-5小时。 在该式中，M是选自周期表中的2A或2B族金属中的至少一种，D是Eu或Mn。
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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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