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公开(公告)号：KR1020120053325A
公开(公告)日：2012-05-25
申请号：KR1020100114539
申请日：2010-11-17
Applicant: 한국과학기술원
Abstract: PURPOSE: A synthesizing method of quantum dot of high efficiency is provided to prevent sudden degradation of luminous efficiency caused by ligand substitution method, and to convert ligand by only one solution injection, thereby providing simple and economic process. CONSTITUTION: A synthesizing method of quantum dot of high efficiency comprises: a step of synthesizing quantum dot under the presence of organic solvent of 100-350 °C; a step of adding X-Y-Z shaped ligand capable of being dispersed to organic solvent to the quantum dot; and a step of conducting reaction for 1-60 minutes at 100-350 °C. The quantum dot is one or more selected from a group consisting of a group 12-16 compound, a group 11-13-16 compound, a group 13-15 compound, and a group 14-16 compound.
Abstract translation: 目的：提供高效率的量子点的合成方法，以防止配体取代法引起的发光效率的突然劣化，仅通过一次溶液注入来转化配体，从而提供简单经济的工艺。 构成：高效率量子点的合成方法包括：在100-350℃的有机溶剂存在下合成量子点的步骤; 将能够分散在有机溶剂中的X-Y-Z形配体加入量子点的步骤; 以及在100-350℃进行1-60分钟的步骤。 量子点是选自由12-16族化合物，11-13-16族化合物，13-15族化合物和14-16族化合物组成的组中的一种或多种。
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公开(公告)号：KR1020090032632A
公开(公告)日：2009-04-01
申请号：KR1020070098012
申请日：2007-09-28
Applicant: 한국과학기술원
CPC classification number: H01L51/0097 , G09G3/3208 , H01L51/5012 , H01L51/5056 , H01L51/5072 , H01L51/5092 , H01L51/5203 , H01L2251/5338
Abstract: A flexible display device and an electronic device including the same are provided to improve portability and a wear property by overcoming restrictive flexibility. A flexible display device includes electric circuit lines(20), light emitting device lines(10), and a power supply unit. The electric circuit lines supply a current or an electric signal. The light emitting device lines are emitted by the current or the electric signal supplied to outside. The power supply unit supplies a power source and the electric signal to the electric circuit lines and the light emitting device lines. One among the electric circuit lines and the light emitting device lines is warp. The other one among the electric circuit lines and the light emitting device lines is weft. The electric circuit lines and the light emitting device lines are woven each other. The power supply unit includes a power source part and a power source connection part. The power source part supplies an electric of DC or AC. The power source connection part connects the power source part to the electric circuit lines, and connects the power source part to a light emitting circuit line.
Abstract translation: 提供了一种柔性显示装置和包括该柔性显示装置的电子装置，以通过克服限制性灵活性来提高便携性和磨损性能。 柔性显示装置包括电路线（20），发光器件线（10）和电源单元。 电路线路提供电流或电信号。 发光器件线由提供给外部的电流或电信号发射。 电源单元向电路线和发光器件线提供电源和电信号。 电路线和发光器件线之一是翘曲的。 电路线和发光器件线中的另一条是纬线。 电路线和发光器件线相互编织。 电源单元包括电源部和电源连接部。 电源部分提供DC或AC电。 电源连接部将电源部与电路线连接，将电源部连接到发光电路线。
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公开(公告)号：KR100825481B1
公开(公告)日：2008-04-25
申请号：KR1020060118626
申请日：2006-11-28
Applicant: 한국과학기술원
IPC: H01J1/30 , H01J1/62 , G02F1/13357 , C01B31/02
CPC classification number: H01J1/30 , C01B32/158 , G02F1/1336 , H01J1/62
Abstract: A white emission planar light source using a carbon nano tube, an anode, and a display device are provided to improve light emitting property of the light source by using ZnS:Ag,Cl and Y3Al5O12:Ce3+ fluorescent materials. A cathode of a planar light source includes a CNT(Carbon Nano Tube)(107), an additive(105), a frit glass(103), a grid(119), a grid electrode(117), a support mount(121), a conductive spacer(123), and a spacer(113). An ITO is coated on the glass substrate. The CNT is printed on the ITO. The additive distributes the CNT. The grid accelerates electrons, which are emitted from the light source. An anode of the CNT includes the ITO(Indium Tin Oxide), a blue fluorescent material, and a yellow fluorescent material. The blue and yellow fluorescent materials are printed on the ITO. A distance between the anode and cathode is maintained at a constant value by the spacer.
Abstract translation: 提供了使用碳纳米管，阳极和显示装置的白色发射平面光源，以通过使用ZnS：Ag，Cl和Y3Al5O12：Ce3 +荧光材料来改善光源的发光特性。 平面光源的阴极包括CNT（碳纳米管）（107），添加剂（105），熔结玻璃（103），栅格（119），栅极（117），支撑座（121） ），导电间隔物（123）和间隔物（113）。 在玻璃基板上涂覆ITO。 CNT印在ITO上。 添加剂分配CNT。 电网加速从光源发射的电子。 CNT的阳极包括ITO（氧化铟锡），蓝色荧光材料和黄色荧光材料。 蓝色和黄色荧光材料印在ITO上。 阳极和阴极之间的距离通过间隔物保持在恒定值。
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公开(公告)号：KR100773949B1
公开(公告)日：2007-11-07
申请号：KR1020060090214
申请日：2006-09-18
Applicant: 한국과학기술원
Abstract: A blue light emitting phosphor for a cold cathode fluorescent lamp, and a cold cathode fluorescent lamp containing the phosphor are provided to improve the luminous characteristics and color purity of a phosphor and to enhance the brightness and color reproducibility of a cold cathode fluorescent lamp. A blue light emitting phosphor comprises a phosphate-based phosphor represented by (K_(1-y) C_y) (Ba_(1-x-z) D_z) PO4:xEu^2+, wherein C comprises at least one alkali metal ion selected from the group consisting of Li and Na; D comprises at least one selected from the group consisting of Mg, Ca and Sr; 0
Abstract translation: 提供了用于冷阴极荧光灯的蓝色发光荧光体和含有荧光体的冷阴极荧光灯，以提高荧光体的发光特性和色纯度，并提高冷阴极荧光灯的亮度和色彩再现性。 蓝色发光荧光体包括由（K_（1-y）C_y）（Ba_（1-xz）D_z）PO4：xEu2 + 2表示的磷酸盐系荧光体，其中C包含至少一种选自 由Li和Na组成的组; D包含选自Mg，Ca和Sr中的至少一种; 0 <= Y <= 0.5; 0 <= Z <= 0.5; 和0.0005 <= x <= 0.3。
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公开(公告)号：KR1020170080262A
公开(公告)日：2017-07-10
申请号：KR1020150191591
申请日：2015-12-31
Applicant: 엘지디스플레이 주식회사 , 한국과학기술원
Abstract: 본발명은, XV족원소가도핑된 XII-XVI족화합물로이루어지는내부쉘과도핑되지않은 XII-XVI족화합물로이루어지는외부쉘을포함하며오프특성과양자효율모두에서장점을갖는퀀텀로드를제공한다. 따라서, 퀀텀로드필름과퀀텀로드표시장치는구동전압이감소하고발광효율이향상된다.
Abstract translation: 本发明中，XV族元素包括由非掺杂的，并提出了掺杂的内壳XII-XVI组化合物XII-XVI化合物的族群中的外壳，和在这两个截止特性和量子效率提供了一种具有优点的量子棒 。 因此，量子棒膜和量子棒显示装置具有降低的驱动电压和提高的发光效率。
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Patent Agency Ranking
公开(公告)号：KR1020130104688A
公开(公告)日：2013-09-25
申请号：KR1020120026405
申请日：2012-03-15
Applicant: 엘지이노텍 주식회사 , 한국과학기술원
Abstract: PURPOSE: An aluminum silicate-based phosphor is provided to be excited by the wavelength of 250-500 nm which ultraviolet ray and blue light emitting diode show, and to have the emission spectrum of 400-800 nm. CONSTITUTION: An aluminum silicate-based phosphor is represented by the following chemical formula (1): M1+x-yAl1+xSi2-xO6:Qy In the above chemical formula (1), M is one of alkali metal selected from Li, Na, K, Rb, and Cs, and Q is one or more activators or co-activators selected from europium (Eu), manganese (Mn), iron (Fe), chrome (Cr), calcium (Ca), zinc (Zn), cobalt (Co), nickel (Ni), copper (Cu), yttrium (Y), lanthanum (La), cerium (Ce), praseodymium (Pr), neodymium (Nd), samarium (Sm), gadolinium (Gd), terbium (Tb), dysprosium (Dy), erbium (Er), thulium (Tm), ytterbium (Yb), lutetium (Lu), gallium (Ga), germanium (Ge), and indium (In). X is 0
Abstract translation: 目的：提供紫外线和蓝色发光二极管显示的250-500nm波长激发的硅酸铝基荧光体，并具有400-800nm的发射光谱。 构成：铝硅酸盐系荧光体由以下化学式（1）表示：M1 + x-yAl1 + xSi2-xO6：Qy在上述化学式（1）中，M是选自Li，Na ，K，Rb和Cs，Q是一种或多种选自铕（Eu），锰（Mn），铁（Fe），铬（Cr），钙（Ca），锌（Zn） ，钴（Co），镍（Ni），铜（Cu），钇（Y），镧（La），铈（Ce），镨（Pr），钕（Nd），钐（Sm），钆（Gd） ，铽（Tb），镝（Dy），铒（Er），ium（Tm），镱（Yb），镥（Lu），镓（Ga），锗（Ge）和铟（In）。 X为0 <= x <=，Y为0
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公开(公告)号：KR1020130041647A
公开(公告)日：2013-04-25
申请号：KR1020110106040
申请日：2011-10-17
Applicant: 한국과학기술원
CPC classification number: C09K11/7734 , H01L33/502
Abstract: PURPOSE: An oxide green phosphor is provided to have a wide light-emitting spectrum than existing phosphors, thereby manufacturing a white LED with high color rending index and efficiency. CONSTITUTION: An oxide green phosphor is represented by chemical formula 1: M_(5-x)N_6Si_2O_6:A_x. In chemical formula 1, M is one or more selected from Ca, Sr, Ba, and Zn; N is one or more selected from Br, F, Cl, and I; A is one or more ions selected from rare earth metal ion and transition metal ion; and 0.001
Abstract translation: 目的：提供氧化物绿色荧光体以具有比现有荧光体更宽的发光光谱，从而制造具有高颜色指数和效率的白色LED。 构成：氧化物绿色荧光体由化学式1表示：M_（5-x）N_6Si_2O_6：A_x。 在化学式1中，M是选自Ca，Sr，Ba和Zn中的一种或多种; N是选自Br，F，Cl和I中的一种或多种; A是选自稀土金属离子和过渡金属离子中的一种或多种离子; 和0.001 <= x <= 2.5。 稀土金属离子和过渡金属离子是选自Eu 2+，Ce 2+，Mn 2+，Pr 3+和Sm 3+中的一种或多种。 稀土金属离子和过渡金属离子鞋发射峰值在500-630 nm。
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公开(公告)号：KR1020130020345A
公开(公告)日：2013-02-27
申请号：KR1020110082930
申请日：2011-08-19
Applicant: 한국과학기술원
CPC classification number: H01L33/56 , H01L33/502 , H01L2933/0041
Abstract: PURPOSE: A method for dispersing quantum dots in an encapsulant and a light emitting device using the same are provided to improve luminous efficiency by replacing a ligand of the quantum dot with a ligand to improve dispersion. CONSTITUTION: An alkyl-thiol ligand attached to the surface of a quantum dot in a nuclear growth step is replaced by an alkyl-thiol ligand with a polarity functional group. An encapsulant with dispersed quantum dots is obtained by dispersing the quantum dot with the replaced ligand to the encapsulant with a polarity. [Reference numerals] (AA) Synthesis of quantum dots; (BB) Substituting a ligand(ex. -OH) including a polar functional group for a ligand on the surface of the quantum dots; (CC) Mixed with the polymer encapsulant and curing
Abstract translation: 目的：提供一种用于将量子点分散在密封剂中的方法和使用其的发光器件，以通过用配体替换量子点的配体以改善分散度来提高发光效率。 构成：在核生长步骤中连接到量子点表面的烷基 - 硫醇配体被具有极性官能团的烷基 - 硫醇配体代替。 通过将具有取代的配体的量子点以极性分散到密封剂中，获得具有分散的量子点的密封剂。 （标号）（AA）量子点的合成; （BB）在量子点的表面上用配体（例如-OH）代替配体的极性官能团; （CC）与聚合物密封剂混合并固化
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公开(公告)号：KR101130710B1
公开(公告)日：2012-03-28
申请号：KR1020100013008
申请日：2010-02-11
Applicant: 한국과학기술원
Abstract: 본 발명은 형광 광결정을 이용하여 제작한 문서위조방지장치에 관한 것으로, 보다 자세하게는 형광 구형입자를 제조하는 방법과 형광 구형입자를 이용하여 문서위에 형광 광결정을 제작하는 방법과 형광 광결정을 이용한 문서위조방지장치에 관한 것이다. 본 발명에서는 유화중합을 이용하여 광변환 물질이 함유된 형광 구형입자를 제조하고, 형광 구형입자의 자기조립에 의해 문서 위에 형광 광결정을 형성하여 문서위조방지장치를 제작한다. 본 발명에서 제공하는 문서위조방지장치는 형광 광결정이 가지는 광밴드갭 특성에 의해 입사된 광을 다양한 각도에 따라 선택적으로 반사 또는 투과시키는 특성, 자외선 등 특수 파장광선에 의해 광변환 물질이 여기되어 발광하는 특성, 광변환물질의 발광스펙트럼이 광결정의 광밴드갭영역과 일치할 때 일치된 파장에서만 선택적으로 발광강도가 감쇄되어 발광스펙트럼의 모양이 변하는 특성, 위조 검사기의 측정 각도에 따라 발광스펙트럼의 모양이 더욱 상이하게 달라지는 특성을 이용한 4단계의 복합 보안코드를 가져 기존의 위조방지장치에 비해 더욱 신규한 방법으로 더욱 진보된 위조방지 방법을 제공한다.
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