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    • 11. 发明申请
    • LIGHT EMITTING DEVICE FOR AC OPERATION
    • 用于交流操作的发光装置
    • US20100032692A1
    • 2010-02-11
    • US12513803
    • 2007-09-05
    • Keon Young LeeDae Sung Kal
    • Keon Young LeeDae Sung Kal
    • H01L33/00
    • H01L25/0753H01L33/62H01L2924/0002H05B33/0803H05B33/0821H05B33/089Y02B20/341H01L2924/00
    • An AC light emitting device, in which a plurality of light emitting cells formed on a substrate are flip-bonded to a submount to be driven under an AC power source is disclosed. The light emitting device comprises a first serial array of light emitting cells, and a second serial array of light emitting cells, wherein the second serial array is connected in reverse parallel to the first serial array. Meanwhile, bonding patterns are formed on a submount substrate, and the light emitting cells of the first and second serial arrays are flip-bonded to the bonding patterns. Further, node connecting patterns are formed on the submount substrate, and connect the bonding patterns such that nodes corresponding to each other provided in the first and second serial arrays are electrically connected to each other. Accordingly, it is possible to provide an AC light emitting device which can prevent overvoltage from being applied to light emitting cells in the array to which reverse voltage is applied by bonding patterns and node connecting patterns formed on a submount substrate, thereby protecting the light emitting cells.
    • 公开了一种AC发光器件,其中形成在衬底上的多个发光单元被翻转接合到在AC电源下被驱动的基座。 发光器件包括发光单元的第一串联阵列和发光单元的第二串联阵列,其中第二串联阵列与第一串联阵列反向并联连接。 同时,在基板上形成接合图案,并且第一和第二串联阵列的发光单元被翻转接合到接合图案。 此外,节点连接图案形成在副安装座基板上,并且连接接合图案,使得设置在第一和第二串行阵列中的彼此相对应的节点彼此电连接。 因此,可以提供一种交流发光装置,其能够通过形成在副安装座基板上的图案和节点连接图案来防止过电压施加到反向电压的阵列中的发光单元,由此保护发光 细胞。