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    • 1. 发明授权
    • Method of fabricating thermoelectric materials using core-shell structured nano-particles, and thermoelectric materials fabricated by the same
    • 使用核 - 壳结构化纳米颗粒制造热电材料的方法,以及由其制造的热电材料
    • US09336922B2
    • 2016-05-10
    • US13552372
    • 2012-07-18
    • Kyung Tae KimGook Hyun Ha
    • Kyung Tae KimGook Hyun Ha
    • H01L35/16H01B1/20B82Y30/00H01L35/12H01L35/18H01L35/34
    • H01B1/20B82Y30/00H01L35/12H01L35/16H01L35/18H01L35/34
    • A fabrication method of thermoelectric materials using core-shell structured nano-particles and thermoelectric materials fabricated by the same are provided. The method includes preparing core-shell structured nano-particles having thermoelectric elements coated on the surface thereof (step 1); adding and mixing the prepared core-shell structured nano-particles of step 1, bismuth (Bi) salts, tellurium (Te) salts and a surfactant in a solvent (step 2); adding and dispersing a reducing agent in the mixture of step (step 3); and heating the mixture of step 3 in which reducing agent is added and dispersed (step 4). According to the present invention, thermoelectric materials, nano-phase is homogeneously dispersed inside of thermoelectric grain boundary, can be fabricated and if the fabricated materials are used after sintering and bulking, the thermoelectric materials are maintained in a state that the nano-particles remain in dispersed phase even after sintering.
    • 提供了使用芯壳结构的纳米颗粒的热电材料及其制造的热电材料的制造方法。 该方法包括制备具有涂覆在其表面上的热电元件的芯壳结构的纳米颗粒(步骤1); 将制备的步骤1的核 - 壳结构纳米颗粒,铋(Bi)盐,碲(Te)盐和表面活性剂加入并混合在溶剂中(步骤2); 在步骤(步骤3)的混合物中加入和分散还原剂; 并加热其中添加和分散还原剂的步骤3的混合物(步骤4)。 根据本发明,可以制造热电材料纳米相均匀地分散在热电晶界内部,并且如果在烧结和膨胀之后使用制造的材料,则将热电材料保持在纳米颗粒保持的状态 即使在烧结后也是分散相。
    • 2. 发明授权
    • Thermoelectric material and composites made from thermoelectric material and a method for fabricating thereof
    • 由热电材料制成的热电材料和复合材料及其制造方法
    • US08845918B2
    • 2014-09-30
    • US12883803
    • 2010-09-16
    • Kyung Tae KimGook Hyun HaDong Won Kim
    • Kyung Tae KimGook Hyun HaDong Won Kim
    • H01B1/04H01B1/18H01L35/22H01L35/26H01L35/34C22C1/02
    • H01B1/18B22F9/04B22F9/24B22F2998/10C22C12/00C22C26/00C22C47/14C22C49/12C22C49/14H01L35/22H01L35/26H01L35/34B22F3/105
    • The thermoelectric material according to the present invention is characterized in that carbon nanotubes are dispersed in thermoelectric matrix powder by mechanically grinding, mixing, and treating by heating a mixed powder formed through a chemical reaction after mixing a first solution in which carbon nanotubes are dispersed and a second solution containing metallic salts. Further, a method for fabricating the thermoelectric material includes fabricating the first solution and the second solution, mixing the first solution and the second solution with each other to form a mixed solution, forming and growing a mixed powder in which carbon nanotubes and metals are mixed by a chemical reaction of the mixed solution, mechanically grinding and mixing the mixed powder, and heating the ground-and-mixed mixed powder to form the thermoelectric material. In addition, a composite can be made from the thermoelectric material by performing a spark plasma sintering process using the thermoelectric material, and has an improved thermoelectric efficiency due to the carbon nanotubes dispersed in the thermoelectric materials.
    • 根据本发明的热电材料的特征在于,通过在将分散有碳纳米管的第一溶液与第一溶液分散后,通过加热通过化学反应形成的混合粉末进行机械研磨,混合和处理,将碳纳米管分散在热电基质粉末中 含有金属盐的第二溶液。 此外,制造热电材料的方法包括制造第一溶液和第二溶液,将第一溶液和第二溶液彼此混合以形成混合溶液,形成和生长其中混合有碳纳米管和金属的混合粉末 通过混合溶液的化学反应,机械研磨和混合混合粉末,并加热研磨和混合的混合粉末以形成热电材料。 此外,可以通过使用热电材料进行放电等离子体烧结工艺,从热电材料制成复合材料,并且由于碳纳米管分散在热电材料中而具有改善的热电效率。
    • 3. 发明申请
    • THERMOELECTRIC MATERIAL AND COMPOSITES MADE FROM THERMOELECTRIC MATERIAL AND A METHOD FOR FABRICATING THEREOF
    • 热电材料的热电材料和复合材料及其制造方法
    • US20110284804A1
    • 2011-11-24
    • US12883803
    • 2010-09-16
    • Kyung Tae KimGook Hyun HaDong Won Kim
    • Kyung Tae KimGook Hyun HaDong Won Kim
    • H01B1/04
    • H01B1/18B22F9/04B22F9/24B22F2998/10C22C12/00C22C26/00C22C47/14C22C49/12C22C49/14H01L35/22H01L35/26H01L35/34B22F3/105
    • The thermoelectric material according to the present invention is characterized in that carbon nanotubes are dispersed in thermoelectric matrix powder by mechanically grinding, mixing, and treating by heating a mixed powder formed through a chemical reaction after mixing a first solution in which carbon nanotubes are dispersed and a second solution containing metallic salts. Further, a method for fabricating the thermoelectric material includes fabricating the first solution and the second solution, mixing the first solution and the second solution with each other to form a mixed solution, forming and growing a mixed powder in which carbon nanotubes and metals are mixed by a chemical reaction of the mixed solution, mechanically grinding and mixing the mixed powder, and heating the ground-and-mixed mixed powder to form the thermoelectric material. In addition, a composite can be made from the thermoelectric material by performing a spark plasma sintering process using the thermoelectric material, and has an improved thermoelectric efficiency due to the carbon nanotubes dispersed in the thermoelectric materials.
    • 根据本发明的热电材料的特征在于,通过在将分散有碳纳米管的第一溶液与第一溶液分散后,通过加热通过化学反应形成的混合粉末进行机械研磨,混合和处理,将碳纳米管分散在热电基质粉末中 含有金属盐的第二溶液。 此外,制造热电材料的方法包括制造第一溶液和第二溶液,将第一溶液和第二溶液彼此混合以形成混合溶液,形成和生长其中混合有碳纳米管和金属的混合粉末 通过混合溶液的化学反应,机械研磨和混合混合粉末,并加热研磨和混合的混合粉末以形成热电材料。 此外,可以通过使用热电材料进行放电等离子体烧结工艺,从热电材料制成复合材料,并且由于碳纳米管分散在热电材料中而具有改善的热电效率。
    • 5. 发明授权
    • Light emitting diode package
    • 发光二极管封装
    • US08203164B2
    • 2012-06-19
    • US12071321
    • 2008-02-20
    • Bong Girl MinJe Myung ParkKyung Tae Kim
    • Bong Girl MinJe Myung ParkKyung Tae Kim
    • H01L33/00
    • H01L33/62H01L33/50H01L33/647H01L2224/48091H01L2224/48247H01L2924/01067H01L2924/3025H01L2924/00014H01L2924/00
    • A light emitting diode (LED) package including: an LED chip; a first lead frame having a heat transfer unit with a top where a groove for stably mounting the LED chip is formed; a second lead frame disposed separately from the first lead frame; a package body having a concave portion encapsulating a portion of the heat transfer unit and the second lead frame but exposing a portion of the top of the heat transfer unit and a portion of the lead frame, and a ring-shaped portion extended in a ring shape along an inner wall of the groove of the heat transfer unit and forming an aperture in a center thereof; and a phosphor layer formed on the aperture of the ring-shaped portion and applied to the LED chip, wherein the LED chip is disposed in the inside of the aperture of the ring-shape portion.
    • 一种发光二极管(LED)封装,包括:LED芯片; 第一引线框架具有带有顶部的传热单元,其中形成用于稳定地安装LED芯片的凹槽; 与所述第一引线框分开布置的第二引线框架; 封装主体,其具有封装传热单元和第二引线框架的一部分的凹部,但是暴露传热单元的顶部的一部分和引线框架的一部分,以及环形部分,其延伸在环中 沿着传热单元的凹槽的内壁形成并在其中心形成孔; 以及荧光体层,其形成在所述环状部分的所述孔上并施加到所述LED芯片,其中所述LED芯片设置在所述环形部分的孔的内侧。
    • 8. 发明申请
    • HANDOVER METHOD AND APPARATUS FOR PROVIDING MOBILE IPTV SERVICE OVER HETEROGENEOUS WIRELESS COMMUNICATION NETWORKS
    • 移动通信网络提供移动IPTV业务的切换方法和设备
    • US20110206012A1
    • 2011-08-25
    • US12712340
    • 2010-02-25
    • HEE YONG YOUNKyung Tae KimByung Jun Lee
    • HEE YONG YOUNKyung Tae KimByung Jun Lee
    • H04W36/00H04W4/00H04N7/173
    • H04W36/30H04W36/32
    • Disclosed herein is a handover method and apparatus for providing mobile Internet Protocol Television (IPTV) service over wireless communication networks. The handover method includes checking whether the strength of a signal received from a first base station of a serving first wireless network falls within a predetermined first threshold range; if the strength of the signal falls within the range, checking whether the strength of a signal received from at least one base station of a second wireless network is higher than a second threshold value required for handover; estimating the velocity and direction of a Mobile Node (MN) using location information received from a satellite; predicting a handover target base station using the estimated velocity and estimated location information; and, if the predicted target base station is one of base stations having the second threshold value, performing handover to the target base station.
    • 本文公开了一种用于通过无线通信网络提供移动因特网协议电视(IPTV)服务的切换方法和装置。 切换方法包括:检查从服务第一无线网络的第一基站接收的信号的强度是否落在预定的第一阈值范围内; 如果信号的强度落在该范围内,则检查从第二无线网络的至少一个基站接收到的信号的强度是否高于切换所需的第二阈值; 使用从卫星接收的位置信息来估计移动节点(MN)的速度和方向; 使用估计速度和估计位置信息来预测切换目标基站; 并且如果预测的目标基站是具有第二阈值的基站之一,则执行到目标基站的切换。
    • 10. 发明申请
    • Light emitting diode package
    • 发光二极管封装
    • US20080224162A1
    • 2008-09-18
    • US12071321
    • 2008-02-20
    • Bong Girl MinJe Myung ParkKyung Tae Kim
    • Bong Girl MinJe Myung ParkKyung Tae Kim
    • H01L33/00
    • H01L33/62H01L33/50H01L33/647H01L2224/48091H01L2224/48247H01L2924/01067H01L2924/3025H01L2924/00014H01L2924/00
    • A light emitting diode (LED) package including: an LED chip; a first lead frame having a heat transfer unit with a top where a groove for stably mounting the LED chip is formed; a second lead frame disposed separately from the first lead frame; a package body having a concave portion encapsulating a portion of the heat transfer unit and the second lead frame but exposing a portion of the top of the heat transfer unit and a portion of the lead frame, and a ring-shaped portion extended in a ring shape along an inner wall of the groove of the heat transfer unit and forming an aperture in a center thereof; and a phosphor layer formed on the aperture of the ring-shaped portion and applied to the LED chip, wherein the LED chip is disposed in the inside of the aperture of the ring-shape portion.
    • 一种发光二极管(LED)封装,包括:LED芯片; 第一引线框架具有带有顶部的传热单元,其中形成用于稳定地安装LED芯片的凹槽; 与所述第一引线框分开布置的第二引线框架; 封装主体,其具有封装传热单元和第二引线框架的一部分的凹部,但是暴露传热单元的顶部的一部分和引线框架的一部分,以及环形部分,其延伸在环中 沿着传热单元的凹槽的内壁形成并在其中心形成孔; 以及荧光体层,其形成在所述环状部分的所述孔上并施加到所述LED芯片,其中所述LED芯片设置在所述环形部分的孔的内侧。