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    • 5. 发明申请
    • SEMICONDUCTOR LIGHT EMITTING DEVICE
    • 半导体发光器件
    • US20120104444A1
    • 2012-05-03
    • US13286807
    • 2011-11-01
    • Seok Min HWANGJae Yoon KimJin Bock Lee
    • Seok Min HWANGJae Yoon KimJin Bock Lee
    • H01L33/60
    • H01L33/38H01L33/42H01L2933/0016
    • A semiconductor light emitting device includes: first and second conductive type semiconductor layers; an active layer disposed between the first and second conductive type semiconductor layers; and first and second electrodes disposed on one surface of each of the first and second conductive type semiconductor layers, respectively, wherein at least one of the first and second electrodes includes a pad part and a finger part formed to extend from the pad part, and the end of the finger part has an annular shape. Because a phenomenon in which current is concentrated in a partial area of the finger part is minimized, tolerance to electrostatic discharge (ESD) can be strengthened and light extraction efficiency can be improved.
    • 半导体发光器件包括:第一和第二导电类型半导体层; 设置在所述第一和第二导电类型半导体层之间的有源层; 以及分别设置在每个第一和第二导电类型半导体层的一个表面上的第一和第二电极,其中第一和第二电极中的至少一个包括衬垫部分和形成为从衬垫部分延伸的指状部分,以及 手指部分的端部具有环形形状。 由于电流集中在手指部分的部分区域的现象最小化,因此可以增强对静电放电(ESD)的耐受性,并且可以提高光提取效率。
    • 8. 发明授权
    • Nitride semiconductor light emitting device
    • 氮化物半导体发光器件
    • US07777245B2
    • 2010-08-17
    • US11499727
    • 2006-08-07
    • Seok Min HwangHyun Kyung KimKun Yoo KoSang Su HongKyu Han LeeBok Ki Min
    • Seok Min HwangHyun Kyung KimKun Yoo KoSang Su HongKyu Han LeeBok Ki Min
    • H01L33/00
    • H01L33/38H01L33/20
    • The invention relates to a high-output nitride light emitting device. The light emitting device includes a first conductivity type nitride semiconductor layer, an active layer and a second conductivity type nitride semiconductor layer deposited in their order on a substrate. The light emitting device also includes first and second insulation layers formed in different upper surface portions of the nitride semiconductor light emitting device, and first and second bonding pads formed respectively on the first and second insulation layers. The light emitting device further includes first and second extension electrodes extended from the first and second bonding pads and coupled respectively to the first and second conductivity semiconductor layers. The electrode arrangement according to the present invention prevents direct coupling between the bonding pads and the light emitting device, thus allowing a symmetrical structure that can achieve more uniform current spreading using only the extension electrodes.
    • 本发明涉及高输出氮化物发光器件。 发光器件包括依次沉积在衬底上的第一导电型氮化物半导体层,有源层和第二导电型氮化物半导体层。 发光器件还包括形成在氮化物半导体发光器件的不同上表面部分中的第一和第二绝缘层,以及分别形成在第一绝缘层和第二绝缘层上的第一和第二接合焊盘。 发光器件还包括从第一和第二焊盘延伸并分别耦合到第一和第二导电半导体层的第一和第二延伸电极。 根据本发明的电极装置防止接合焊盘和发光器件之间的直接耦合,从而允许仅使用延伸电极实现更均匀的电流扩展的对称结构。
    • 9. 发明申请
    • Nitride-based semiconductor light emitting diode
    • 氮化物半导体发光二极管
    • US20070228388A1
    • 2007-10-04
    • US11651023
    • 2007-01-09
    • Kun Yon KoBang Won OhHun Joo HahmJe Won KimHyung Jin ParkSeok Min HwangDong Woo Kim
    • Kun Yon KoBang Won OhHun Joo HahmJe Won KimHyung Jin ParkSeok Min HwangDong Woo Kim
    • H01L33/00
    • H01L33/38H01L33/20H01L33/32
    • A nitride-based semiconductor LED comprises a substrate; an n-type nitride semiconductor layer formed on the substrate; an active layer formed on a predetermined region of the n-type nitride semiconductor layer; a p-type nitride semiconductor layer formed on the active layer; a transparent electrode formed on the p-type nitride semiconductor layer; a p-type electrode pad formed on the transparent electrode; a pair of p-type connection electrodes formed in a line extending from the p-type electrode pad so as to have an inclination angle of less than 90 degrees with respect to one side of the transparent electrode adjacent to the p-type electrode pad; a pair of p-electrodes extending from both ends of the p-type connection electrodes in the direction of the n-type electrode pad, the p-electrode being formed in parallel to one side of the adjacent transparent electrode; and an n-type electrode pad formed on the n-type nitride semiconductor layer, on which the active layer is not formed, such that the n-type electrode pad faces the p-type electrode pad.
    • 氮化物系半导体LED包括基板; 在该基板上形成的n型氮化物半导体层; 形成在所述n型氮化物半导体层的预定区域上的有源层; 形成在有源层上的p型氮化物半导体层; 形成在p型氮化物半导体层上的透明电极; 形成在透明电极上的p型电极焊盘; 一对p型连接电极,形成在从p型电极焊盘延伸的线中,以相对于与p型电极焊盘相邻的透明电极的一侧具有小于90度的倾斜角; 一对p电极,其从p型连接电极的两端沿着n型电极焊盘的方向延伸,p电极与相邻的透明电极的一侧平行地形成; 以及n型电极焊盘,形成在n型氮化物半导体层上,其上没有形成有源层,使得n型电极焊盘面向p型电极焊盘。