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    • 4. 发明申请
    • Vertical light emitting device and method of manufacturing the same
    • 垂直发光装置及其制造方法
    • US20080111139A1
    • 2008-05-15
    • US11878348
    • 2007-07-24
    • Jung-hye ChaeMyoung-gyun Suh
    • Jung-hye ChaeMyoung-gyun Suh
    • H01L33/00
    • H01L33/20H01L33/145H01L33/405
    • Provided is a vertical light emitting device having improved light extraction efficiency and a method of manufacturing the same. The vertical light emitting device may include a p type electrode, a p type semiconductor layer, an active layer, and an n type semiconductor layer which may be sequentially formed on the p type electrode, and an n type electrode on a portion of a surface of the n type semiconductor layer, wherein the portion of the surface of the n type semiconductor layer may be at an inclined plane inclined from an area near a circumference of the n type electrode towards the active layer. The p type electrode may include a current blocking layer which is made of an insulating material and on the p type electrode directly under the n type electrode. Accordingly, a voltage increase may be minimized or reduced, and light extraction efficiency may be improved.
    • 提供了一种具有改进的光提取效率的垂直发光器件及其制造方法。 垂直发光装置可以包括可以顺序地形成在p型电极上的p型电极,ap型半导体层,有源层和n型半导体层,以及在n型电极的表面的一部分上的n型电极 n型半导体层,其中n型半导体层的表面的部分可以处于从n型电极的圆周附近的区域向有源层倾斜的倾斜面。 p型电极可以包括由绝缘材料制成的电流阻挡层和在n型电极正下方的p型电极上。 因此,电压增加可以被最小化或降低,并且可以提高光提取效率。