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    • 11. 发明申请
    • LED LIGHTING DEVICE
    • LED照明设备
    • US20110156584A1
    • 2011-06-30
    • US13060747
    • 2009-08-26
    • Hyun Min Kim
    • Hyun Min Kim
    • H01K1/62F21V29/00
    • F21V29/83F21K9/00F21K9/232F21S2/005F21S4/28F21S8/033F21S8/04F21V5/008F21V5/04F21V7/005F21V13/04F21V23/00F21V23/0442F21V29/507F21Y2103/10F21Y2107/30F21Y2115/10
    • The present invention relates to a lighting device using an LED. One embodiment of the invention provides a lamp-shaped LED lighting device that can replace a known lighting device. The lamp-shaped LED lighting device promptly emits the heat generated by an LED element, which influences the optical output and the lifespan of the LED lighting device, through a lamp-shaped frame with a heat-ventilation structure that facilitates air circulation. In addition, the lamp-shaped LED lighting device prevents glare from an LED light source by using a lateral reflecting member, a diffusion lens and a diffusion cover and diffuses the light from the light source widely without optical attenuation. Another embodiment of the invention provides a tube and panel-shaped LED lighting devices that can be replaced with a previous tube-shaped fluorescent light and a panel-shaped lighting device. The tube and panel-shaped LED lighting devices rapidly emit the heat generated by an LED element, which influences the optical output and the life span of the LED lighting device, through a tube and panel-shaped frame with a heat-sink structure. In addition, the tube and panel-shaped LED lighting devices prevent glare from the LED light source by optically arranging a curved reflecting plate, a diffusion plate and a diffusion window which include a diffusion lens at the upper portion of the LED element. Furthermore the tube and panel-shaped LED lighting devices diffuse the light from the LED light source widely without optical attenuation.
    • 本发明涉及使用LED的照明装置。 本发明的一个实施例提供一种可以代替已知照明装置的灯状LED照明装置。 灯形LED照明装置通过具有便于空气循环的热通风结构的灯状框架,迅速地发出影响LED照明装置的光输出和寿命的LED元件产生的热量。 此外,灯形LED照明装置通过使用横向反射构件,漫射透镜和漫射罩来防止来自LED光源的眩光,并且广泛地漫射来自光源的光,而没有光衰减。 本发明的另一实施例提供一种管和面板形的LED照明装置,其可以用先前的管状荧光灯和面板形照明装置代替。 管和面板形LED照明装置通过具有散热器结构的管和面板形框架快速地发射由LED元件产生的热量,该元件影响LED照明装置的光输出和寿命。 此外,管和面板形LED照明装置通过在LED元件的上部光学地布置包括漫射透镜的弯曲反射板,扩散板和扩散窗来防止来自LED光源的眩光。 此外,管和面板形LED照明装置广泛地扩散来自LED光源的光,而没有光衰减。
    • 13. 发明授权
    • High-sensitivity magnetic resonance imaging nano-contrast agent based on an anionic polymer and cationic polymer ion complex, and a production method therefor
    • 基于阴离子聚合物和阳离子聚合物离子络合物的高灵敏度磁共振成像纳米造影剂及其制备方法
    • US09138491B2
    • 2015-09-22
    • US14110138
    • 2011-04-07
    • Moon-Hee SungYong Taik LimYoung-Woock NohIl Han LeeHyun Min Kim
    • Moon-Hee SungYong Taik LimYoung-Woock NohIl Han LeeHyun Min Kim
    • A61K49/12A61B5/055A61K49/18
    • A61K49/126A61K49/1863A61K49/1872
    • The present invention relates to a nano-composite containing anionic and cationic polymers and a method for preparing thereof, and more particularly to a poly-gamma-glutamic acid (γ-PGA)/chitosan/manganese iron oxide nanoparticle composite prepared by encapsulating iron oxide-based nanoparticles in a γ-PGA/chitosan polymer composite using the ionic self-assembly properties of poly-gamma-glutamic acid (γ-PGA) and chitosan, which are biocompatible polymer materials, and to a method for preparing thereof.The present invention provides a magnetic resonance imaging nano-contrast agent based on a nanoparticle composite including iron oxide-based nanoparticles encapsulated in a self-assembled composite of anionic poly-gamma-glutamic acid (γPGA) and cationic chitosan. The iron oxide-based nanoparticles encapsulated in the composite interact with each other to produce a synergistic effect on the amplification of magnetic resonance signals, and thus have an relatively excellent contrast effect compared to when they exist as single particles.
    • 本发明涉及含有阴离子和阳离子聚合物的纳米复合物及其制备方法,更具体地涉及通过包封氧化铁制备的聚-γ-谷氨酸(γ-PGA)/壳聚糖/锰铁氧体纳米颗粒复合材料 基于聚-γ-谷氨酸(γ-PGA)和壳聚糖的离子自组装性质的γ-PGA /壳聚糖复合材料的生物相容性聚合物材料的制备方法。 本发明提供一种基于纳米颗粒复合材料的磁共振成像纳米造影剂,其包括封装在阴离子聚-γ-谷氨酸(γPGA)和阳离子壳聚糖的自组装复合物中的基于氧化铁的纳米颗粒。 封装在复合材料中的基于氧化铁的纳米颗粒彼此相互作用以对磁共振信号的扩增产生协同效应,因此与作为单个颗粒存在时相比具有相对优异的对比效果。
    • 15. 发明授权
    • Gap member, lens and lighting device having the same
    • 具有相同的间隙构件,透镜和照明装置
    • US08313218B2
    • 2012-11-20
    • US12874987
    • 2010-09-02
    • Sung Ho HongHyun Min KimDong Nyung LimEun Hwa Kim
    • Sung Ho HongHyun Min KimDong Nyung LimEun Hwa Kim
    • F21V5/00F21V31/00
    • F21V5/00F21V7/00F21V13/04
    • A lighting device and a gap member and a lens used in a lighting device. The lens may include a circular incident surface that has a furrow surface crossing a surface and prism surfaces formed at both sides of the furrow surface; and an exit surface that reflects and transmits light traveling inside through the incident surface to the outside. The gap member may include a ring-shaped reflective portion having a declined surface toward the center; and a ring-shaped wall extending downward coaxially with the reflective portion, and has a flat ring shape. The lighting device may include a substrate; a light emitting unit including a plurality of LEDs mounted on the substrate; a case body accommodating the light emitting unit; a lens disposed on the light emitting unit; a first waterproof ring disposed around the lens; and a case cover having an opening that exposes the lens, and combined with the case body and the first waterproof ring.
    • 照明装置和用于照明装置的间隙构件和透镜。 透镜可以包括具有与表面交叉的沟表面和形成在沟槽表面的两侧的棱镜表面的圆形入射表面; 以及将通过入射面内行进的光反射并透射到外部的出射面。 间隙构件可以包括朝向中心具有下降表面的环形反射部分; 以及与反射部分同轴向下延伸的环形壁,并且具有平环形状。 照明装置可以包括基板; 发光单元,其包括安装在所述基板上的多个LED; 容纳发光单元的壳体; 设置在所述发光单元上的透镜; 设置在透镜周围的第一防水环; 以及具有露出透镜的开口并与壳体和第一防水环组合的壳盖。