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    • 65. 发明申请
    • LIGHT EMITTING DEVICE HAVING A PLURALITY OF LIGHT EMITTING CELLS AND METHOD OF FABRICATING THE SAME
    • 具有多个发光单元的发光装置及其制造方法
    • US20100213468A1
    • 2010-08-26
    • US12774525
    • 2010-05-05
    • Chung Hoon LeeHong San KimJames S. Speck
    • Chung Hoon LeeHong San KimJames S. Speck
    • H01L33/02H01L33/48H01L33/62
    • H01L27/153H01L33/62H01L33/64H01L2224/48095H01L2224/73265H01L2924/01012H01L2924/01079
    • Disclosed is a light emitting device having a plurality of light emitting cells. The light emitting device comprises a thermally conductive substrate, such as a SiC substrate, having a thermal conductivity higher than that of a sapphire substrate. The plurality of light emitting cells are connected in series on the thermally conductive substrate. Meanwhile, a semi-insulating buffer layer is interposed between the thermally conductive substrate and the light emitting cells. For example, the semi-insulating buffer layer may be formed of AlN or semi-insulating GaN. Since the thermally conductive substrate having a thermal conductivity higher than that of a sapphire substrate is employed, heat-dissipating performance can be enhanced as compared with a conventional sapphire substrate, thereby increasing the maximum light output of a light emitting device that is driven under a high voltage AC power source. In addition, since the semi-insulating buffer layer is employed, it is possible to prevent an increase in a leakage current through the thermally conductive substrate and between the light emitting cells.
    • 公开了具有多个发光单元的发光器件。 发光器件包括具有高于蓝宝石衬底的热导率的导热衬底,例如SiC衬底。 多个发光单元串联连接在导热基板上。 同时,在导热基板和发光单元之间插入半绝缘缓冲层。 例如,半绝缘缓冲层可以由AlN或半绝缘GaN形成。 由于采用具有高于蓝宝石基板的导热性的导热性基板,所以与以往的蓝宝石基板相比,能够提高散热性能,从而能够增大驱动下的发光元件的最大光输出 高压交流电源。 此外,由于采用了半绝缘缓冲层,因此可以防止通过导热基板和发光单元之间的漏电流的增加。
    • 67. 发明申请
    • LIGHT EMITTING ELEMENT WITH A PLURALITY OF CELLS BONDED, METHOD OF MANUFACTURING THE SAME, AND LIGHT EMITTING DEVICE USING THE SAME
    • 具有多个细胞结合的发光元件,其制造方法和使用其的发光装置
    • US20100109031A1
    • 2010-05-06
    • US12685145
    • 2010-01-11
    • Chung-Hoon LEEKeon-Young LEELacroix YVES
    • Chung-Hoon LEEKeon-Young LEELacroix YVES
    • H01L27/15H01L33/00
    • H01L33/62H01L25/0753H01L33/08H01L2224/48091H01L2224/48137H01L2224/49107H05B33/0803H05B33/0809H05B33/0821H01L2924/00014H01L2924/00
    • The present invention relates to a light emitting element with arrayed cells, a method of manufacturing the same, and a light emitting device using the same. The present invention provides a light emitting element including a light emitting cell block with a plurality of light emitting cells connected in series or parallel on a single substrate, and a method of manufacturing the same, wherein each of the plurality of light emitting cells includes an N-type semiconductor layer and a P-type semiconductor layer, and the N-type semiconductor layer of one light emitting cell is electrically connected to the P-type semiconductor layer of another adjacent light emitting cell. Further, the present invention provides a light emitting device including a light emitting element with a plurality of light emitting cells connected in series. Accordingly, it is possible to simplify a manufacturing process of a light emitting device for illumination capable of being used with a household AC power source, to decrease a fraction defective occurring in manufacturing a light emitting device for illumination, and to mass-produce the light emitting device for illumination. Further, there is an advantage in that DC driving efficiency can be enhanced in an AC operation by installing a predetermined rectifying circuit outside the light emitting element.
    • 本发明涉及具有排列单元的发光元件,其制造方法和使用其的发光器件。 本发明提供一种发光元件及其制造方法,所述发光元件包括发光单元块,所述发光单元块具有串联或并联连接在单个基板上的多个发光单元,其中,所述多个发光单元中的每一个包括 N型半导体层和P型半导体层,并且一个发光单元的N型半导体层电连接到另一相邻发光单元的P型半导体层。 此外,本发明提供一种发光装置,其包括具有串联连接的多个发光单元的发光元件。 因此,能够简化能够与家用AC电源一起使用的照明用发光元件的制造工序,能够减少在制造照明用发光元件时发生的不合格率,并大量生产光 用于照明的发光装置。 此外,通过在发光元件外部设置预定的整流电路,可以提高交流动作的直流驱动效率。
    • 68. 发明申请
    • LIGHT EMITTING DIODE FOR AC OPERATION
    • 用于交流操作的发光二极管
    • US20100102336A1
    • 2010-04-29
    • US12607506
    • 2009-10-28
    • Chung-Hoon LeeDae Won KimDae Sung KalWon Cheol SeoKyung Hee YeYeo Jin Yoon
    • Chung-Hoon LeeDae Won KimDae Sung KalWon Cheol SeoKyung Hee YeYeo Jin Yoon
    • H01L33/00
    • H01L27/153H01L33/20H01L33/62H01L2224/48H05B33/0821
    • The present invention discloses a light emitting diode (LED) including a plurality of light emitting cells arranged on a substrate. The LED includes half-wave light emitting units each including at least one light emitting cell, each half-wave light emitting unit including first and second terminals respectively arranged at both ends thereof; and full-wave light emitting units each including at least one light emitting cell, each full-wave light emitting units including third and fourth terminals respectively formed at both ends thereof. The third terminal of each full-wave light emitting unit is electrically connected to the second terminals of two half-wave light emitting units, and the fourth terminal of each full-wave light emitting unit is electrically connected to the first terminals of other two half-wave light emitting units. Also, a first half-wave light emitting unit is connected in series between the third terminal of a first full-wave light emitting unit and the fourth terminal of a second full-wave light emitting units, and a second half-wave light emitting units is connected in series between the fourth terminal of the first full-wave light emitting unit and the third terminal of the second full-wave light emitting unit.
    • 本发明公开了一种发光二极管(LED),其包括布置在基板上的多个发光单元。 LED包括每个包括至少一个发光单元的半波发光单元,每个半波发光单元包括分别布置在其两端的第一和第二端子; 和全波发光单元,每个包括至少一个发光单元,每个全波发光单元包括分别在其两端形成的第三和第四端子。 每个全波发光单元的第三端子电连接到两个半波发光单元的第二端子,并且每个全波发光单元的第四端子电连接到另外两个半波发光单元的第一端子 波发光单元。 此外,第一半波发光单元串联连接在第一全波发光单元的第三端子和第二全波发光单元的第四端子之间,并且第二半波发光单元 串联连接在第一全波发光单元的第四端子和第二全波发光单元的第三端子之间。
    • 70. 发明申请
    • LIGHT EMITTING DEVICE HAVING A PLURALITY OF LIGHT EMITTING CELLS AND METHOD OF FABRICATING THE SAME
    • 具有多个发光单元的发光装置及其制造方法
    • US20090189166A1
    • 2009-07-30
    • US12410101
    • 2009-03-24
    • Chung Hoon LEEHong San KimJames S. Speck
    • Chung Hoon LEEHong San KimJames S. Speck
    • H01L33/00
    • H01L27/153H01L33/62H01L33/64H01L2224/48095H01L2224/73265H01L2924/01012H01L2924/01079
    • Disclosed is a light emitting device having a plurality of light emitting cells. The light emitting device comprises a thermally conductive substrate, such as a SiC substrate, having a thermal conductivity higher than that of a sapphire substrate. The plurality of light emitting cells are connected in series on the thermally conductive substrate. Meanwhile, a semi-insulating buffer layer is interposed between the thermally conductive substrate and the light emitting cells. For example, the semi-insulating buffer layer may be formed of AlN or semi-insulating GaN. Since the thermally conductive substrate having a thermal conductivity higher than that of a sapphire substrate is employed, heat-dissipating performance can be enhanced as compared with a conventional sapphire substrate, thereby increasing the maximum light output of a light emitting device that is driven under a high voltage AC power source. In addition, since the semi-insulating buffer layer is employed, it is possible to prevent an increase in a leakage current through the thermally conductive substrate and between the light emitting cells.
    • 公开了具有多个发光单元的发光器件。 发光器件包括具有高于蓝宝石衬底的热导率的导热衬底,例如SiC衬底。 多个发光单元串联连接在导热基板上。 同时,在导热基板和发光单元之间插入半绝缘缓冲层。 例如,半绝缘缓冲层可以由AlN或半绝缘GaN形成。 由于采用具有高于蓝宝石基板的导热性的导热性基板,所以与以往的蓝宝石基板相比,能够提高散热性能,从而能够增大驱动下的发光元件的最大光输出 高压交流电源。 此外,由于采用了半绝缘缓冲层,因此可以防止通过导热基板和发光单元之间的漏电流的增加。