LIGHT EMITTING DIODE CHIP FOR HIGH VOLTAGE OPERATION AND LIGHT EMITTING DIODE PACKAGE INCLUDING THE SAME
    2.
    发明申请
    LIGHT EMITTING DIODE CHIP FOR HIGH VOLTAGE OPERATION AND LIGHT EMITTING DIODE PACKAGE INCLUDING THE SAME 有权
    用于高电压操作的发光二极管芯片和包括其的发光二极管封装

    公开(公告)号:US20110284884A1

    公开(公告)日:2011-11-24

    申请号:US13146073

    申请日:2010-02-12

    IPC分类号: H01L33/62 H01L33/50

    摘要: A light emitting diode (LED) chip for high voltage operation and an LED package including the same arc disclosed. The LED chip includes a substrate, a first array formed on the substrate and including n light emitting cells connected in series, and a second array formed on the substrate and including m (m≦n) light emitting cells connected in series. During operation of the LED chip, the first array and the second array are operated by being connected in reverse parallel to each other. Further, when a driving voltage of the first array is delined as Vd1 and a driving voltage of the second array is defined as Vd2, a difference between Vd1 and Vd2×(n/m) is not more than 2V.

    摘要翻译: 一种用于高电压操作的发光二极管(LED)芯片和包含相同电弧的LED封装。 LED芯片包括基板,形成在基板上并包括串联连接的n个发光单元的第一阵列和形成在基板上的第二阵列,并且包括串联连接的m(m和n个; n)个发光单元。 在LED芯片的操作期间,第一阵列和第二阵列通过彼此反向并联连接来操作。 此外,当第一阵列的驱动电压被定义为Vd1并且第二阵列的驱动电压被定义为Vd2时,Vd1和Vd2×(n / m)之间的差不大于2V。

    AC light emitting diode having full-wave light emitting cell and half-wave light emitting cell
    3.
    发明授权
    AC light emitting diode having full-wave light emitting cell and half-wave light emitting cell 有权
    交流发光二极管具有全波发光单元和半波发光单元

    公开(公告)号:US08354680B2

    公开(公告)日:2013-01-15

    申请号:US12882406

    申请日:2010-09-15

    IPC分类号: H01L33/00

    摘要: The present invention discloses an alternating current (AC) light emitting diode (LED) having half-wave light emitting cells and full-wave light emitting cells. The AC LED has a plurality of light emitting cells electrically connected between bonding pads on a single substrate. The AC LED includes a first row of half-wave light emitting cells each having an anode terminal and a cathode terminal, a second row of full-wave light emitting cells each having an anode terminal and a cathode terminal, and a third row of half-wave light emitting cells each having an anode terminal and a cathode terminal. In the AC LED, the second row is arranged between the first row and the third row, and the third row includes a pair of light emitting cells that share a cathode terminal with each other. The cathode terminal shared by the pair of light emitting cells in the third row is electrically connected to the anode terminal of a corresponding light emitting cell of the half-wave light emitting cells in the first row through a conductor that is electrically insulated from the full-wave light emitting cells in the second row.

    摘要翻译: 本发明公开了一种具有半波发光单元和全波发光单元的交流(AC)发光二极管(LED)。 AC LED具有电连接在单个基板上的焊盘之间的多个发光单元。 AC LED包括具有阳极端子和阴极端子的第一排半波发光单元,具有阳极端子和阴极端子的第二排全波发光单元,以及第三排半波发光单元 每个具有阳极端子和阴极端子的发光单元。 在AC LED中,第二行布置在第一行和第三行之间,第三行包括彼此共享阴极端子的一对发光单元。 由第三行中的一对发光单元共享的阴极端子通过与整体电绝缘的导体电连接到第一行中的半波发光单元的对应的发光单元的阳极端子 - 第二排发光单元。

    Light emitting diode having electrode pads
    4.
    发明授权
    Light emitting diode having electrode pads 有权
    具有电极焊盘的发光二极管

    公开(公告)号:US09236532B2

    公开(公告)日:2016-01-12

    申请号:US13330327

    申请日:2011-12-19

    摘要: The present invention relates to light-emitting diodes. A light-emitting diode according to an exemplary embodiment of the present invention includes a first group including a plurality of first light emitting cells connected in parallel to each other, and a second group including a plurality of second light emitting cells connected in parallel to each other. Each first light emitting cell and second light emitting cell has a semiconductor stack that includes a first conductivity-type semiconductor layer, a second conductivity-type semiconductor layer, and an active layer disposed between the first conductivity-type semiconductor layer and the second conductivity-type semiconductor layer. At least two light emitting cells of the first light emitting cells share the first conductivity-type semiconductor layer, and at least two light emitting cells of the second light emitting cells share the first conductivity-type semiconductor layer. The first light emitting cells are connected in series to the second light emitting cells.

    摘要翻译: 本发明涉及发光二极管。 根据本发明的示例性实施例的发光二极管包括:第一组,其包括彼此并联连接的多个第一发光单元;以及第二组,包括与每个并联连接的多个第二发光单元 其他。 每个第一发光单元和第二发光单元具有包括第一导电型半导体层,第二导电型半导体层和设置在第一导电类型半导体层和第二导电类型半导体层之间的有源层的半导体堆叠, 型半导体层。 第一发光单元的至少两个发光单元共享第一导电型半导体层,并且第二发光单元的至少两个发光单元共享第一导电型半导体层。 第一发光单元与第二发光单元串联连接。

    High efficiency light emitting diode and method for fabricating the same
    6.
    发明授权
    High efficiency light emitting diode and method for fabricating the same 有权
    高效率发光二极管及其制造方法

    公开(公告)号:US08791483B2

    公开(公告)日:2014-07-29

    申请号:US13077254

    申请日:2011-03-31

    IPC分类号: H01L33/00

    摘要: A high-efficiency light emitting diode including: a semiconductor stack positioned on a support substrate, including a p-type compound semiconductor layer, an active layer, and an n-type compound semiconductor layer; an insulating layer disposed in an opening that divides the p-type compound semiconductor layer and active layer; a transparent electrode layer disposed on the insulating layer and the p-type compound semiconductor layer; a reflective insulating layer covering the transparent electrode layer, to reflect light from the active layer away from the support substrate; a p-electrode covering the reflective insulating layer; and an n-electrode is formed on top of the n-type compound semiconductor layer. The p-electrode is electrically connected to the transparent electrode layer through the insulating layer.

    摘要翻译: 一种高效率发光二极管,包括:位于支撑基板上的半导体堆叠,包括p型化合物半导体层,有源层和n型化合物半导体层; 设置在分隔所述p型化合物半导体层和有源层的开口中的绝缘层; 设置在绝缘层和p型化合物半导体层上的透明电极层; 覆盖所述透明电极层的反射绝缘层,以将来自所述有源层的光反射离开所述支撑基板; 覆盖反射绝缘层的p电极; 并且在n型化合物半导体层的顶部上形成n电极。 p电极通过绝缘层与透明电极层电连接。

    Static excitation system having capability of eliminating shaft vibrations of a generator and overvoltage when underexited
    7.
    发明授权
    Static excitation system having capability of eliminating shaft vibrations of a generator and overvoltage when underexited 有权
    静态励磁系统具有消除发电机轴振动的能力和不足的过电压能力

    公开(公告)号:US06795287B2

    公开(公告)日:2004-09-21

    申请号:US10342487

    申请日:2003-01-15

    IPC分类号: H02H1100

    CPC分类号: H02P9/105

    摘要: A static excitation system that can eliminate shaft vibrations of a generator and overvoltage when it is underexited is provided. The static excitation system includes an initial excitation equipment; a step-down transformer; a 3-phase diode bridge; a boost chopper provided with a transistor and a resister, and maintaining DC voltage to be constant; a DC chopper provided with a plurality of transistors and diodes, and supplying DC power to a rotor of a generator; a boost controller for controlling the boost chopper; and a DC chopper controller for controlling the DC chopper, wherein, overvoltage applied on the excitation system when underexcited is eliminated owing to the boost chopper preventing any changes at an output terminal of the generator from being transferred to the excitation system, and maintaining the excitation DC voltage to be constant; and also owing to the DC chopper which is capable of 4 quadrant operation, hereby pole slipping of the generator can be prevented.

    摘要翻译: 提供了一种能够消除发生器的轴振动并且在其不足时会产生过电压的静态励磁系统。 静态励磁系统包括初始励磁设备; 降压变压器; 三相二极管桥; 提供有晶体管和电阻器的升压斩波器,并且保持DC电压恒定; 设置有多个晶体管和二极管的直流斩波器,向发电机的转子供给直流电力; 用于控制升压斩波器的升压控制器; 以及用于控制直流斩波器的直流斩波控制器,其中,由于升压斩波器消除了由于升压斩波器而在激励系统上施加的过电压,从而防止发电机的输出端子上的任何变化被传送到励磁系统,并保持励磁 直流电压恒定; 并且由于能够进行4象限操作的直流斩波器,因此可以防止发电机的极滑动。

    LIGHT EMITTING DIODE
    10.
    发明申请
    LIGHT EMITTING DIODE 有权
    发光二极管

    公开(公告)号:US20120187424A1

    公开(公告)日:2012-07-26

    申请号:US13187010

    申请日:2011-07-20

    IPC分类号: H01L33/08 H01L33/60 H01L33/38

    摘要: Exemplary embodiments of the present invention relate to light emitting diodes including a plurality of light emitting cells on a substrate to be suitable for AC driving. The light emitting diode includes a substrate and a plurality of light emitting cell formed on the substrate. Each light emitting cell includes a first region at a boundary of the light emitting cell and a second region opposite to the first region. A first electrode pad is formed in the first region of the light emitting cell. A second electrode pad having a linear shape is disposed to face the first electrode pad while regionally defining a peripheral region together with the boundary of the second region. A wire connects the first electrode pad to the second electrode pad between two adjacent light emitting cells.

    摘要翻译: 本发明的示例性实施例涉及包括适于AC驱动的衬底上的多个发光单元的发光二极管。 发光二极管包括基板和形成在基板上的多个发光单元。 每个发光单元包括在发光单元的边界处的第一区域和与第一区域相对的第二区域。 第一电极焊盘形成在发光单元的第一区域中。 具有直线形状的第二电极焊盘设置成面对第一电极焊盘,同时区域地限定与第二区域的边界一起的周边区域。 导线将第一电极焊盘连接到两个相邻的发光单元之间的第二电极焊盘。