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    • 1. 发明申请
    • LIGHT EMITTING DEVICE AND LIGHTING SYSTEM HAVING THE SAME
    • 发光装置和具有该发光装置的照明系统
    • US20120043526A1
    • 2012-02-23
    • US13288193
    • 2011-11-03
    • Yong Tae MOONDae Seob HanJeong Sik Lee
    • Yong Tae MOONDae Seob HanJeong Sik Lee
    • H01L33/04
    • H01L33/06H01L33/04H01L33/12H01L33/32
    • Disclosed are a light emitting device and a lighting system having the same. The light emitting device includes a first conductivity-type semiconductor layer, an interfacial layer including at least two superlattice structures adjacent to the first conductivity-type semiconductor layer, an active layer adjacent to the interfacial layer, and a second conductivity-type semiconductor layer adjacent to the active layer. The first conductivity-type semiconductor layer, interfacial layer, active layer, and second conductivity-type semiconductor layer are stacked in a same direction, the first and second semiconductor layer are of different conductivity types, an energy band gap of the superlattice structure adjacent to the active layer is smaller than an energy band gap of the superlattice structure adjacent to the first conductivity-type semiconductor layer.
    • 公开了一种发光器件和具有该发光器件的照明系统。 发光器件包括第一导电型半导体层,包括与第一导电类型半导体层相邻的至少两个超晶格结构的界面层,与界面层相邻的有源层和与界面层相邻的第二导电型半导体层 到活动层。 第一导电型半导体层,界面层,有源层和第二导电型半导体层以相同的方向堆叠,第一和第二半导体层具有不同的导电类型,超晶格结构的能带隙相邻 有源层小于与第一导电型半导体层相邻的超晶格结构的能带隙。
    • 7. 发明申请
    • LIGHT EMITTING DEVICE, LIGHT EMITTING DEVICE PACKAGE AND LIGHTING SYSTEM INCLUDING THE SAME
    • 发光装置,发光装置包装和包括其的照明系统
    • US20120132890A1
    • 2012-05-31
    • US13367829
    • 2012-02-07
    • Yong Seon SONGYong Tae MOON
    • Yong Seon SONGYong Tae MOON
    • H01L33/04
    • H01L33/06H01L33/0079H01L33/22H01L33/32
    • A light emitting device includes an active layer including a quantum barrier and a quantum well, a first conductive type semiconductor layer disposed at one side of the active layer, and a second conductive type semiconductor layer disposed at the other side of the active layer, wherein the first conductive type semiconductor layer or the second conductive type semiconductor layer includes a main barrier layer, and the main barrier layer includes a plurality of sub barrier layers and a basal layer disposed between the plurality of sub barrier layers. The plurality of sub barrier layers includes a first section in which energy band gaps of the plurality of sub barrier layers are increased and a second section in which energy band gaps of the plurality of sub barrier layers are decreased.
    • 发光器件包括有源层,包括量子势垒和量子阱,设置在有源层一侧的第一导电类型半导体层和设置在有源层另一侧的第二导电类型半导体层,其中 第一导电类型半导体层或第二导电类型半导体层包括主阻挡层,并且主阻挡层包括多个子阻挡层和设置在多个子阻挡层之间的基极层。 多个子阻挡层包括其中多个子阻挡层中的能带间隙增加的第一部分和多个子阻挡层中的能带隙减小的第二部分。