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    • 2. 发明申请
    • SEMICONDUCTOR LIGHT EMITTING DEVICE COMPRISING HETEROJUNCTION
    • 包含异质结的半导体发光器件
    • WO2009095886A3
    • 2009-09-24
    • PCT/IB2009050378
    • 2009-01-30
    • INSIAVA PTY LTDSNYMAN LUKAS WILLEMDU PLESSIS MONUKO
    • SNYMAN LUKAS WILLEMDU PLESSIS MONUKO
    • H01L33/00H01L33/02H01L33/34
    • H01L33/34H01L33/0016H01L33/02
    • A semiconductor light emitting device (10) comprises a semiconductor structure (12) comprising a first body (14) of a first semiconductor material (in this case Ge) comprising a first region of a first doping kind (in this case n) and a second body (18) of a second semiconductor material (in this case Si) comprising a first region of a second doping kind (in this case p). The structure comprises a junction region (15) comprising a first heterojunction (16) formed between the first body (14) and the second body (18) and a pn junction (17) formed between regions of the structure of the first and second doping kinds respectively. A biasing arrangement (20) is connected to the structure for, in use, reverse biasing the pn junction, thereby to cause emission of light.
    • 半导体发光器件(10)包括半导体结构(12),该半导体结构包括第一半导体材料(在该情况下为Ge)的第一主体(14),该第一半导体材料包括第一掺杂类型的第一区域(在这种情况下为n) 包括第二掺杂类型的第一区域(在这种情况下为p)的第二半导体材料(在这种情况下为Si)的第二主体(18)。 该结构包括包含在第一主体(14)和第二主体(18)之间形成的第一异质结(16)和在第一和第二掺杂的结构的区域之间形成的pn结(17)的结区域 种类。 偏置装置(20)连接到该结构,用于在使用中反向偏置pn结,从而引起光的发射。
    • 6. 发明申请
    • INDIRECT BANDGAP SEMICONDUCTOR OPTOELECTRONIC DEVICE
    • 间接带状半导体光电子器件
    • WO1996030952A1
    • 1996-10-03
    • PCT/EP1996001357
    • 1996-03-28
    • OCTROOIBUREAU KISCH N.V.UNIVERSITY OF PRETORIASNYMAN, Lukas, WillemAHARONI, HerzlDU PLESSIS, Monuko
    • OCTROOIBUREAU KISCH N.V.UNIVERSITY OF PRETORIA
    • H01L33/00
    • H01L33/34H01L33/0008H01L33/0033
    • An optoelectronic device (10) formed in a chip of an indirect bandgap semiconductor material such as silicon is disclosed and claimed. The device comprises a visibly exposed highly doped n region (16) embedded at the surface of an oppositely doped epitaxial layer (14), to form a first junction region (15) close to the surface of the epitaxial layer. When the junction region is reverse biased to beyond avalanche breakdown, the device acts as a light emitting device to the external environment. When it is reverse biased to just below avalanche breakdown it acts as a light detector. The device may further include a further junction region for generating or providing additional carriers in the first junction region, thereby to improve the performance of the device. This further junction can be multiplied to facilitate multi-input signal processing functions where the light emission from the first junction is a function of the electrical signals applied to the further junctions.
    • 公开并声称形成在诸如硅之类的间接带隙半导体材料的芯片中的光电器件(10)。 该器件包括嵌入在相反掺杂的外延层(14)的表面处的可见曝光的高掺杂n +区(16),以形成靠近外延层表面的第一结区域(15)。 当结区域被反向偏置超过雪崩击穿时,该器件用作到外部环境的发光器件。 当它被反向偏置到刚好低于雪崩击穿时,其用作光检测器。 器件还可以包括用于在第一结区域中产生或提供附加载流子的另一接合区域,从而提高器件的性能。 可以将该另外的结点相乘以促进多输入信号处理功能,其中来自第一结的发光是施加到另外结的电信号的函数。
    • 9. 发明申请
    • SEMICONDUCTOR LIGHT EMITTING DEVICE UTILISING PUNCH-THROUGH EFFECTS
    • 半导体发光器件利用穿孔效应
    • WO2009093177A1
    • 2009-07-30
    • PCT/IB2009/050209
    • 2009-01-21
    • INSIAVA (PTY) LIMITEDDU PLESSIS, MonukoSNYMAN, Lukas Willem
    • DU PLESSIS, MonukoSNYMAN, Lukas Willem
    • H01L33/00
    • H01L33/0016H01L33/34
    • A light emitting device (10) comprises a body (12) of a semiconductor material. A first junction region (14) is formed in the body between a first region (12.1 ) of the body of a first doping kind and a second region (12.2) of the body of a second doping kind. A second junction region (16) is formed in the body between the second region (12.2) of the body and a third region (12.3) of the body of the first doping kind. A terminal arrangement (18) is connected to the body for, in use, reverse biasing the first junction region (14) into a breakdown mode and for forward biasing at least part (16.1) of the second junction region (16), to inject carriers towards the first junction region (14). The device (10) is configured so that a first depletion region (20) associated with the reverse biased first junction region (14) punches through to a second depletion region associated with the forward biased second junction region (16).
    • 发光器件(10)包括半导体材料的主体(12)。 第一接合区域(14)在第一掺杂类型的主体的第一区域(12.1)和第二掺杂类型的主体的第二区域(12.2)之间的主体中形成。 在本体的第二区域(12.2)和第一掺杂类型的主体的第三区域(12.3)之间的主体中形成第二接合区域(16)。 端子装置(18)连接到主体,用于在使用时将第一接合区域(14)反向偏置成击穿模式并且用于向第二接合区域(16)的至少一部分(16.1)进行偏置,以便将其注入 载体朝向第一接合区域(14)。 器件(10)被配置为使得与反向偏置的第一接合区域(14)相关联的第一耗尽区域(20)穿过与正向偏置的第二接合区域(16)相关联的第二耗尽区域。
    • 10. 发明申请
    • SILICON LIGHT EMITTING DEVICE WITH CARRIER INJECTION
    • 具有载体注射的硅光发射装置
    • WO2009047716A1
    • 2009-04-16
    • PCT/IB2008/054122
    • 2008-10-08
    • INSIAVA (PTY) LIMITEDDU PLESSIS, Monuko
    • DU PLESSIS, Monuko
    • H01L33/00H01L27/15
    • H01L33/34H01L27/15H01L33/0008H01L33/0016H01L33/54
    • A light emitting device (10) comprises a first body (12) of an indirect bandgap semiconductor material. A first junction region (18) in the body is formed between a first region (12.1 ) of the body of a first doping kind and a second region (12.2) of the body of a second doping kind. A second junction (20) region in the body is formed between the second region of the body and a third region of the body of the first doping kind. The first and second junction regions being spaced from one another by not further than a minority carrier diffusion length. A terminal arrangement is connected to the first, second and third regions of the body for, in use, reverse biasing the first junction region into avalanche or field emission mode and for forward biasing the second junction region to inject carriers into the first junction region. A second body (22) of an isolation material is located immediately adjacent at least one wall of the third region, thereby to reduce parasitic injection from the third region.
    • 发光器件(10)包括间接带隙半导体材料的第一本体(12)。 主体中的第一接合区域(18)形成在第一掺杂类型的主体的第一区域(12.1)和第二掺杂类型的主体的第二区域(12.2)之间。 主体的第二结区(20)区域形成在主体的第二区域和第一掺杂类型的主体的第三区域之间。 第一和第二结区彼此间隔不超过少数载流子扩散长度。 端子装置连接到主体的第一,第二和第三区域,用于在使用时将第一接合区域反向偏置成雪崩或场致发射模式,并且用于向前偏置第二接合区域以将载流子注入第一接合区域。 隔离材料的第二主体(22)紧邻第三区域的至少一个壁,从而减少从第三区域的寄生注入。