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    • 83. 发明申请
    • NITRIDE LIGHT EMITTING DEVICE OF USING SUBSTRATE DECOMPOSITION PREVENTION LAYER AND MANUFACTURING METHOD OF THE SAME
    • 使用基板分解防止层的氮化物发光装置及其制造方法
    • US20120104453A1
    • 2012-05-03
    • US13344947
    • 2012-01-06
    • June O. SONG
    • June O. SONG
    • H01L33/42
    • H01L33/02H01L33/0079
    • A light-emitting device is provided with a substrate decomposition prevention layer using as a matrix at least one selected from the group consisting of boron nitride (B—N), silicon carbide (Si—C), and silicon carbon nitride (Si—C—N), and patterned into a predetermined shape; an n-type nitride clad layer formed on the substrate decomposition prevention layer; a nitride active layer formed on the n-type nitride clad layer; a p-type nitride clad layer formed on the nitride active layer; a p-type ohmic contact layer formed on the p-type nitride clad layer; a p-type electrode pad formed on the p-type ohmic contact layer; an n-type ohmic contact layer electrically connected to the n-type nitride clad layer by means of a patterned region of the substrate decomposition prevention layer; and an n-type electrode pad formed beneath the n-type ohmic contact layer.
    • 发光装置具有使用从由氮化硼(B-N),碳化硅(Si-C)和氮化硅(Si-C)组成的组中选出的至少一种作为基质的基板分解防止层 -N),并且被图案化成预定的形状; 形成在所述基板分解防止层上的n型氮化物覆盖层; 形成在所述n型氮化物覆盖层上的氮化物有源层; 形成在氮化物有源层上的p型氮化物覆盖层; 形成在p型氮化物覆盖层上的p型欧姆接触层; 形成在p型欧姆接触层上的p型电极焊盘; n型欧姆接触层,通过基板分解防止层的图案化区域与n型氮化物覆盖层电连接; 以及形成在n型欧姆接触层下面的n型电极焊盘。
    • 85. 发明授权
    • Top-emitting light emitting diodes and methods of manufacturing thereof
    • 顶部发光二极管及其制造方法
    • US08053786B2
    • 2011-11-08
    • US12923053
    • 2010-08-31
    • Tae-Yeon SeongJune-O SongKyoung-Kook KimWoong-Ki Hong
    • Tae-Yeon SeongJune-O SongKyoung-Kook KimWoong-Ki Hong
    • H01L33/00
    • H01L33/42H01L33/32
    • Provided are a top-emitting nitride based light emitting device having an n-type clad layer, an active layer and a p-type clad layer sequentially stacked thereon, comprising an interface modification layer formed on the p-type clad layer and a transparent conductive thin film layer made up of a transparent conductive material formed on the interface modification layer; and a process for preparing the same. In accordance with the top-emitting nitride-based light emitting device of the present invention and a process for preparing the same, there are provided advantages such as improved ohmic contact with the p-type clad layer, leading to increased wire bonding efficiency and yield upon packaging the light emitting device, capability to improve luminous efficiency and life span of the device due to low specific contact resistance and excellent current-voltage properties.
    • 本发明提供一种具有依次层叠的n型覆盖层,有源层和p型覆盖层的顶部发光氮化物系发光元件,其特征在于,具有形成在p型覆盖层上的界面改性层和透明导电性 由形成在界面改性层上的透明导电材料构成的薄膜层; 及其制备方法。 根据本发明的顶部发光氮化物系发光器件及其制备方法,提供了与p型覆盖层的欧姆接触改善的优点,从而提高引线键合效率和产率 在包装发光器件时,能够通过低比接触电阻和优异的电流 - 电压特性提高器件的发光效率和使用寿命。