High efficiency light emitting device

    公开(公告)号:US10103305B2

    公开(公告)日:2018-10-16

    申请号:US15523037

    申请日:2015-10-16

    Abstract: A high-efficiency light-emitting device of the present invention includes: a nitride-based semiconductor laminate layer comprising a first conductive-type semiconductor layer, an active layer, and a second conductive-type semiconductor layer; a substrate comprising a first electrode and a second electrode each connected to the first conductive-type semiconductor layer and the second conductive-type semiconductor layer, a first pad electrode and a second pad electrode each connected with the first electrode and the second electrode, and a first connection pad and a second connection pad each connected with the first pad electrode and the second pad electrode; and a solder positioned between the pad electrodes and the connection pads.

    LIGHT-EMITTING DIODE WITH IMPROVED LIGHT EXTRACTION EFFICIENCY
    87.
    发明申请
    LIGHT-EMITTING DIODE WITH IMPROVED LIGHT EXTRACTION EFFICIENCY 有权
    具有改进的光提取效率的发光二极管

    公开(公告)号:US20170077355A1

    公开(公告)日:2017-03-16

    申请号:US15219086

    申请日:2016-07-25

    Abstract: According to the present invention, a light-emitting diode with improved light extraction efficiency comprises: a semiconductor laminated structure including an N-layer, a light-emitting layer, and a P-layer formed on a substrate; an N-type electrode formed on the N-layer; and a P-type electrode formed on the P-layer, wherein the N-type electrode and the P-type electrode include a pad electrode and a dispersion electrode, and the N-type electrode and/or the P-type electrode includes a reflective electrode layer for reflecting light onto the dispersion electrode. Thus, the light-emitting diode has a reflective electrode layer on the electrode so as to improve light extraction efficiency. Further, a reflective layer is patterned beneath a pad unit, thus forming roughness and improving adhesion.

    Abstract translation: 根据本发明,具有提高光提取效率的发光二极管包括:包括形成在基板上的N层,发光层和P层的半导体层叠结构; 形成在N层上的N型电极; 和形成在P层上的P型电极,其中,所述N型电极和所述P型电极包括焊盘电极和分散电极,并且所述N型电极和/或所述P型电极包括: 用于将光反射到分散电极上的反射电极层。 因此,发光二极管在电极上具有反射电极层,以提高光提取效率。 此外,反射层在垫单元下方被图案化,从而形成粗糙度并改善粘附性。

    LIGHT EMITTING DIODE
    88.
    发明申请
    LIGHT EMITTING DIODE 有权
    发光二极管

    公开(公告)号:US20170069789A1

    公开(公告)日:2017-03-09

    申请号:US15354928

    申请日:2016-11-17

    Abstract: A light emitting diode is provided to comprises: a substrate that has an elongated rectangular shape in one direction; a light emitting structure positioned on the substrate and having an opening for exposing a first conductive semiconductor layer; a first electrode pad disposed to be closer to a first corner of the substrate; a second electrode pad disposed to be relatively closer to a second corner of the substrate opposing to the first corner; a first extension extending from the first electrode pad; and a second extension and a third extension extending from the second electrode pad to sides of the first extension, wherein an imaginary line connecting an end of the second extension and an end of the third extension is located between the first electrode pad and the first corner.

    Abstract translation: 提供一种发光二极管,其包括:在一个方向上具有细长矩形形状的基板; 位于所述基板上并具有用于暴露第一导电半导体层的开口的发光结构; 设置成更靠近所述基板的第一角部的第一电极焊盘; 第二电极焊盘,被设置为相对靠近所述衬底的与所述第一拐角相对的第二角部; 从所述第一电极焊盘延伸的第一延伸部; 以及从所述第二电极焊盘延伸到所述第一延伸部的侧面的第二延伸部和第三延伸部,其中连接所述第二延伸部的端部和所述第三延伸部的端部的假想线位于所述第一电极焊盘和所述第一角部之间 。

    Light emitting diode and method of fabricating the same
    89.
    发明授权
    Light emitting diode and method of fabricating the same 有权
    发光二极管及其制造方法

    公开(公告)号:US09515121B2

    公开(公告)日:2016-12-06

    申请号:US14631062

    申请日:2015-02-25

    Abstract: An exemplary light emitting diode includes a substrate; a first light emitting cell and a second light emitting cell disposed over the substrate and separated from each other; and an interconnection electrically connecting the first light emitting cell to the second light emitting cell. Each of the first and second light emitting cells includes a first conductive-type semiconductor layer, a second conductive-type semiconductor layer disposed over the first conductive-type semiconductor layer, and an active layer disposed between the first conductive-type semiconductor layer and the second conductive-type semiconductor layer. At least one of the first light emitting cell and the second light emitting cell includes a side surface inclined with respect to the substrate. The side surface includes a first inclined portion forming an acute angle with respect to the substrate, a second inclined portion forming an obtuse angle with respect to the substrate, and an inclination discontinuity section.

    Abstract translation: 示例性的发光二极管包括基板; 第一发光单元和设置在基板上并彼此分离的第二发光单元; 以及将第一发光单元电连接到第二发光单元的互连。 第一和第二发光单元中的每一个包括第一导电型半导体层,设置在第一导电型半导体层上的第二导电型半导体层以及设置在第一导电型半导体层和第二导电类型半导体层之间的有源层 第二导电型半导体层。 第一发光单元和第二发光单元中的至少一个包括相对于基板倾斜的侧表面。 侧面包括相对于基板形成锐角的第一倾斜部分,相对于基板形成钝角的第二倾斜部分和倾斜不连续部分。

    Light emitting diode chip having electrode pad
    90.
    发明授权
    Light emitting diode chip having electrode pad 有权
    具有电极垫的发光二极管芯片

    公开(公告)号:US09397264B2

    公开(公告)日:2016-07-19

    申请号:US14630273

    申请日:2015-02-24

    Abstract: Disclosed herein in an LED chip including electrode pads. The LED chip includes a semiconductor stack including a first conductive type semiconductor layer, a second conductive type semiconductor layer on the first conductive type semiconductor layer, and an active layer interposed between the first conductive type semiconductor layer and the second conductive type semiconductor layer, a first electrode pad located on the second conductive type semiconductor layer opposite to the second conductive type semiconductor layer; a first electrode extension extending from the first electrode pad and connected to the first conductive type semiconductor layer; a second electrode pad electrically connected to the second conductive type semiconductor layer; and an insulation layer interposed between the first electrode pad and the second conductive type semiconductor layer. The LED chip includes the first electrode pad on the second conductive type semiconductor layer, thereby increasing a light emitting area.

    Abstract translation: 本文公开在包括电极焊盘的LED芯片中。 LED芯片包括:第一导电型半导体层,第一导电类型半导体层上的第二导电型半导体层和介于第一导电型半导体层和第二导电型半导体层之间的有源层的半导体堆叠, 位于与第二导电类型半导体层相对的第二导电类型半导体层上的第一电极焊盘; 从所述第一电极焊盘延伸并连接到所述第一导电型半导体层的第一电极延伸部; 电连接到第二导电类型半导体层的第二电极焊盘; 以及插入在第一电极焊盘和第二导电型半导体层之间的绝缘层。 LED芯片包括在第二导电类型半导体层上的第一电极焊盘,由此增加发光面积。

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