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    • 7. 发明申请
    • OPTOELECTRONIC SEMICONDUCTOR DEVICE
    • 光电半导体器件
    • WO2010005381A1
    • 2010-01-14
    • PCT/SE2009/050858
    • 2009-07-02
    • QUNANO ABOHLSSON, JonasSAMUELSON, Lars
    • OHLSSON, JonasSAMUELSON, Lars
    • H01L29/06H01L29/12H01L31/06H01L31/102H01L33/00
    • H01L33/20B82Y20/00H01L31/028H01L31/0296H01L31/0304H01L31/035281H01L31/03529H01L33/08H01L33/24H01L33/32H01S5/341Y02E10/544Y02E10/547
    • The present invention provides an optoelectronic semiconductor device comprising at least one semiconductor nanowire (2), wherein the nanowire (2) comprises a nanowire core (3) and at least one shell layer (4) arranged around at least a portion of the nanowire core (3). The nanowire core (3) and the shell layer (4) form a pn or pin junction that in operation provides an active region (7) for carrier generation or carrier recombination. Quantum dots (10) adapted to act as carrier recombination centres or carrier generation centres are arranged in the active region (7). By using the nanowire core (3) as template for formation of the quantum dots (10) and the shell layer (4), 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(2)的光电子半导体器件,其中纳米线(2)包括纳米线芯(3)和至少一个壳层(4),其围绕纳米线芯的至少一部分 (3)。 纳米线芯(3)和壳层(4)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(7)。 适于作为载体复合中心或载体生成中心的量子点(10)布置在有源区域(7)中。 通过使用纳米线芯(3)作为形成量子点(10)和壳层(4)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,并且在后一种情况下,光电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。
    • 9. 发明申请
    • NANOSTRUCTURED PHOTODIODE
    • 纳米结构光电子
    • WO2010027322A1
    • 2010-03-11
    • PCT/SE2009/050997
    • 2009-09-04
    • QUNANO ABSAMUELSON, LarsCAPASSO, FedericoOHLSSON, Jonas
    • SAMUELSON, LarsCAPASSO, FedericoOHLSSON, Jonas
    • H01L31/0352H01L31/12H01L31/103H01L31/105
    • H01L31/03529H01L31/105H01L31/1075Y02E10/50
    • The present invention provides a photodiode comprising a p-i-n or pn junction at least partly formed by first and second regions (2) made of semiconductor materials having opposite conductivity type, wherein the p-i-n or pn junction comprises a light absorption region (11) for generation of charge carriers from absorbed light. One section of the p-i-n or pn junction is comprises by one or more nanowires (7) that are spaced apart and arranged to collect charge carriers generated in the light absorption region (11). At least one low doped region (10) made of a low doped or intrinsic semiconductor material provided between the nanowires (7) and one of said first region (1) and said second region (2) enables custom made light absorption region and/or avalanche multiplication region of the active region (9).
    • 本发明提供了一种光电二极管,其包括至少部分地由具有相反导电类型的半导体材料制成的第一和第二区域(2)形成的pin或pn结,其中pin或pn结包括用于产生 电荷载体从吸收的光。 p-i-n或pn结的一个部分由一个或多个间隔开并布置成收集在光吸收区域(11)中产生的电荷载流子的纳米线(7)构成。 提供在纳米线(7)与所述第一区域(1)和所述第二区域(2)中的一个之间的由低掺杂或本征半导体材料制成的至少一个低掺杂区域(10)使定制的光吸收区域和/或 活动区域(9)的雪崩倍增区域。