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    • 143. 发明申请
    • LIGHT EMITTING DEVICE AND METHOD OF FABRICATING THE SAME
    • 发光装置及其制造方法
    • US20120132888A1
    • 2012-05-31
    • US13304814
    • 2011-11-28
    • Woo Chul KWAKSoon Ho ANHwa Mok KIMEun Jin KIMJae Hoon SONG
    • Woo Chul KWAKSoon Ho ANHwa Mok KIMEun Jin KIMJae Hoon SONG
    • H01L33/04H01L29/06B82Y99/00
    • H01L33/08B82Y20/00B82Y30/00H01L33/18H01L33/38H01L33/502H01L2933/0091
    • A light emitting device includes a metal backing layer, a reflective electrode layer disposed on the metal backing layer, and a plurality of nanorods disposed on the reflective electrode layer. Each nanorod includes a p-semiconductor layer, an active layer, and an n-semiconductor layer, which are sequentially stacked on the reflective electrode layer. The light emitting device further includes an anti-reflection electrode layer disposed on the nanorods, and quantum dots disposed between the nanorods. The method includes sequentially growing the n-semiconductor layer, the active layer, and the p-semiconductor layer on a substrate; forming the nanorods by etching the p-semiconductor layer using a mask pattern; sequentially forming the reflective electrode layer and the metal backing layer on the p-semiconductor layer and then removing the substrate; disposing quantum dots between the nanorods; and forming the anti-reflection electrode layer on the nanorods.
    • 发光器件包括金属背衬层,设置在金属背衬层上的反射电极层和设置在反射电极层上的多个纳米棒。 每个纳米棒包括依次堆叠在反射电极层上的p半导体层,有源层和n半导体层。 发光装置还包括设置在纳米棒上的抗反射电极层和设置在纳米棒之间的量子点。 该方法包括在衬底上依次生长n半导体层,有源层和p半导体层; 通过使用掩模图案蚀刻p半导体层来形成纳米棒; 在p-半导体层上依次形成反射电极层和金属背衬层,然后去除衬底; 在纳米棒之间设置量子点; 并在纳米棒上形成抗反射电极层。
    • 147. 发明授权
    • Optoelectronic semiconductor device
    • 光电半导体器件
    • US08138493B2
    • 2012-03-20
    • US12499491
    • 2009-07-08
    • Jonas OhlssonLars Samuelson
    • Jonas OhlssonLars Samuelson
    • H01L33/00
    • H01L31/03529B82Y20/00H01L31/035236H01L33/06H01L33/18H01L33/32H01S5/341H01S5/3412H01S5/34333Y02E10/50
    • The present invention provides an optoelectronic semiconductor device comprising at least one semiconductor nanowire, wherein the nanowire comprises a nanowire core and at least one shell layer arranged around at least a portion of the nanowire core. The nanowire core and the shell layer form a pn or pin junction that in operation provides an active region for carrier generation or carrier recombination. Quantum dots adapted to act as carrier recombination centres or carrier generation centres are arranged in the active region. By using the nanowire core as template for formation of the quantum dots and the shell layer, quantum dots of homogeneous size and uniform distribution can be obtained. Basically, the optoelectronic semiconductor device can be used for light generation or light absorption. In the former case the optoelectronic semiconductor device is a light emitting diode or a laser diode and in the latter case the optoelectronic semiconductor device is a photoelectric device, such as a photo diode, a photo detector or a solar cell.
    • 本发明提供一种包括至少一个半导体纳米线的光电子半导体器件,其中纳米线包括纳米线芯和至少一个围绕纳米线芯的至少一部分布置的壳层。 纳米线芯和壳层形成pn或pin结,其在操作中提供用于载流子产生或载流子复合的有源区。 适于作为载体复合中心或载体生成中心的量子点被布置在有源区中。 通过使用纳米线芯作为形成量子点和壳层的模板,可以获得均匀尺寸和均匀分布的量子点。 基本上,光电子半导体器件可用于发光或光吸收。 在前一种情况下,光电子半导体器件是发光二极管或激光二极管,在后一种情况下,光电子半导体器件是光电器件,例如光电二极管,光电检测器或太阳能电池。