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    • 12. 发明授权
    • Light emitting device
    • 发光装置
    • US08053798B2
    • 2011-11-08
    • US12306664
    • 2007-06-28
    • Sang Min LeeHyuck Jung Choi
    • Sang Min LeeHyuck Jung Choi
    • H01L31/0203
    • H01L33/504C09K11/7734H01L2224/48091H01L2224/48247H01L2924/181Y02B20/181H01L2924/00014H01L2924/00012
    • The present invention provides a light emitting device which comprises a blue light emitting diode, and at least an orthosilicate based phosphor for emitting light ranging from a green to yellow regions and a nitride or oxynitride based phosphor for emitting light in a red region over the light emitting diode. Accordingly, since white light with a continuous spectrum ranging from green to red can be implemented, a light emitting device with improved color rendering can be provided, and the light emitting device can be used for a general illumination or a flash. Further, since the phosphors having stable chemical characteristics against their external environment such as moisture are employed, the stability in optical characteristics of the light emitting device can also be improved.
    • 本发明提供了一种发光装置,其包括蓝色发光二极管和至少一种用于发射从绿色到黄色区域的光的原硅酸盐荧光体和用于在光线上的红色区域中发射光的氮化物或氮氧化物基荧光体 发光二极管。 因此,由于可以实现从绿色到红色的连续光谱的白光,所以可以提供具有改善的显色性的发光装置,并且发光装置可以用于一般照明或闪光。 此外,由于采用具有相对于其外部环境如水分的稳定化学特性的荧光体,所以还可以提高发光器件的光学特性的稳定性。
    • 15. 发明申请
    • LIGHT EMITTING DEVICE
    • 发光装置
    • US20090315053A1
    • 2009-12-24
    • US12439052
    • 2007-08-24
    • Sang Min LeeHyuck Jung ChoiMi Hae Kim
    • Sang Min LeeHyuck Jung ChoiMi Hae Kim
    • H01L33/00
    • H01L25/0753C09K11/7734C09K11/7792H01L33/50H01L2224/48Y02B20/181
    • The present invention provides a light emitting device, comprising a first light emitting diode for emitting light in an ultraviolet wavelength region; at least one phosphor arranged around the first light emitting diode and excited by the light emitted from the first light emitting diode to emit light having a peak wavelength longer than the wavelength of the light emitted from the first light emitting diode; and at least one second light emitting diode for emitting light having a wavelength different from the peak wavelength of the light emitted from the phosphor. According to the present invention, there is provided a white light emitting device, wherein using a light emitting diode for emitting light different in wavelength from light that is ex-cititively emitted from the phosphor, an excitation light source, i.e., light in the ultraviolet region for exciting the phosphor is effectively used, thereby improving energy conversion efficiency and improving reliability.
    • 本发明提供了一种发光器件,包括用于发射紫外线波长区域的光的第一发光二极管; 至少一个磷光体布置在第一发光二极管周围并被从第一发光二极管发射的光激发,以发射具有比从第一发光二极管发射的光的波长更长的峰值波长的光; 以及至少一个第二发光二极管,用于发射波长不同于从荧光体发出的光的峰值波长的波长的光。 根据本发明,提供了一种白光发光装置,其中使用发光二极管发射波长不同于从荧光体中突出出射的光的光,激发光源,即紫外线中的光 有效地利用激发荧光体的区域,从而提高能量转换效率并提高可靠性。
    • 17. 发明授权
    • Method for preparing electrodes for Ni/Metal hydride secondary cells using Cu
    • 使用Cu制备Ni /金属氢化物二次电池电极的方法
    • US06372383B1
    • 2002-04-16
    • US09494596
    • 2000-01-31
    • Jai Young LeeKuk Jin JangDong Myung KimJi Sang YuSang Min LeeHo Lee
    • Jai Young LeeKuk Jin JangDong Myung KimJi Sang YuSang Min LeeHo Lee
    • H01M466
    • H01M4/621H01M4/383H01M4/661H01M4/663
    • Disclosed is a method for preparing a high performance, negative electrode for Ni/metal hydride cells. A Zr-based hydrogen storage alloy, a binder comprising a mixture of polytetrafluoroethylene and 50th and a thickening agent (hydroxypropylmethyl cellulose), and a current collector comprising carbon black and copper are slurried and molded into a paste-type electrode. In a closed type cell, the copper repetitively undergoes melting and deposition on the electrode during charging and discharging cycles, allowing the electrode to show a similar change in surface morphology and electrochemical properties to that of a conventionally electroless plated electrode. Giving a contribution to the improvement in cell properties, including inner cell pressure, high rate dischargeability and energy density per volume, the method can substitute conventional alloy surface modifying methods, such as electroless plating methods and other pre-treatment processes necessary for the preparation of electrodes, which are difficult to practice owing to the production of pollution of the environment and to requirement of additional procedures.
    • 公开了一种制备用于Ni /金属氢化物电池的高性能负极的方法。 将Zr基储氢合金,包含聚四氟乙烯和第五十五的混合物的粘合剂和增稠剂(羟丙基甲基纤维素)以及包含炭黑和铜的集电体制成浆料并模制成糊状电极。 在封闭式电池中,铜在充电和放电循环期间重复地在电极上熔化和沉积,使得电极表现出与常规无电电镀电极的表面形态和电化学性质相似的变化。 为了改善电池性能,包括内电池压力,高放电率和每体积能量密度的改善,该方法可以代替常规合金表面改性方法,如化学镀方法和制备所需的其他预处理工艺 电极,由于生产环境污染而难以实施,并且需要额外的程序。