Gallium nitride-based compound semiconductor device
    11.
    发明授权
    Gallium nitride-based compound semiconductor device 有权
    氮化镓系化合物半导体器件

    公开(公告)号:US07700940B2

    公开(公告)日:2010-04-20

    申请号:US10521544

    申请日:2003-07-01

    IPC分类号: H01L33/00

    CPC分类号: H01L33/32 B82Y20/00 H01L33/06

    摘要: An LED emitting light of wavelength mainly 375 nm or below. The LED includes a GaN layer (16), an n-clad layer (20), an AlInGaN buffer layer (22), a light emitting layer (24), a p-clad layer (26), a p-electrode (30), and an n-electrode (32) arranged on a substrate (10). The light emitting layer (24) has a multi-layer quantum well structure (MQW) in which an InGaN well layer and an AlInGaN barrier layer are superimposed. The quantum well structure increases the effective band gap of the InGaN well layer and reduces the light emitting wavelength. Moreover, by using the AlInGaN buffer layer (22) as the underlying layer of the light emitting layer (24), it is possible to effectively inject electrons into the light emitting layer (24), thereby increasing the light emitting efficiency.

    摘要翻译: 发射波长主要为375nm或以下的LED的LED。 LED包括GaN层(16),n覆盖层(20),AlInGaN缓冲层(22),发光层(24),p覆盖层(26),p电极(30) )和布置在基板(10)上的n电极(32)。 发光层(24)具有叠层InGaN阱层和AlInGaN阻挡层的多层量子阱结构(MQW)。 量子阱结构增加了InGaN阱层的有效带隙并降低了发光波长。 此外,通过使用AlInGaN缓冲层(22)作为发光层(24)的下层,可以有效地将电子注入到发光层(24)中,从而提高发光效率。

    Light emitting device having light emitting elements
    13.
    发明授权
    Light emitting device having light emitting elements 有权
    具有发光元件的发光器件

    公开(公告)号:US07569861B2

    公开(公告)日:2009-08-04

    申请号:US12352271

    申请日:2009-01-12

    IPC分类号: H01L33/00 H01L31/12

    摘要: A light-emitting device operating on a high drive voltage and a small drive current. LEDs (1) are two-dimensionally formed on an insulating substrate (10) of e.g., sapphire monolithically and connected in series to form an LED array. Two such LED arrays are connected to electrodes (32) in inverse parallel. Air-bridge wiring (28) is formed between the LEDs (1) and between the LEDs (1) and electrodes (32). The LED arrays are arranged zigzag to form a plurality of LEDs (1) to produce a high drive voltage and a small drive current. Two LED arrays are connected in inverse parallel, and therefore an AC power supply can be used as the power supply.

    摘要翻译: 在高驱动电压和小驱动电流下工作的发光装置。 LED(1)二次形成在例如蓝宝石的绝缘基板(10)上,并且串联连接以形成LED阵列。 两个这样的LED阵列反向并联连接到电极(32)。 在LED(1)之间以及LED(1)和电极(32)之间形成空气桥接线(28)。 LED阵列以Z字形排列以形成多个LED(1)以产生高驱动电压和小的驱动电流。 两个LED阵列相反并联连接,因此可以使用交流电源作为电源。

    Light-emitting device having light-emitting elements
    14.
    发明申请
    Light-emitting device having light-emitting elements 有权
    具有发光元件的发光装置

    公开(公告)号:US20070138500A1

    公开(公告)日:2007-06-21

    申请号:US11705205

    申请日:2007-02-12

    IPC分类号: H01L33/00

    摘要: A light-emitting device operating on a high drive voltage and a small drive current. LEDs (1) are two-dimensionally formed on an insulating substrate (10) of e.g., sapphire monolithically and connected in series to form an LED array. Two such LED arrays are connected to electrodes (32) in inverse parallel. Air-bridge wiring (28) is formed between the LEDs (1) and between the LEDs (1) and electrodes (32). The LED arrays are arranged zigzag to form a plurality of LEDs (1) to produce a high drive voltage and a small drive current. Two LED arrays are connected in inverse parallel, and therefore an AC power supply can be used as the power supply.

    摘要翻译: 在高驱动电压和小驱动电流下工作的发光装置。 LED(1)二次形成在例如蓝宝石的绝缘基板(10)上,并且串联连接以形成LED阵列。 两个这样的LED阵列反向并联连接到电极(32)。 在LED(1)之间以及LED(1)和电极(32)之间形成空气桥接线(28)。 LED阵列以Z字形排列以形成多个LED(1)以产生高驱动电压和小的驱动电流。 两个LED阵列相反并联连接,因此可以使用交流电源作为电源。

    Method of manufacturing a semiconductor substrate having a cavity
    17.
    发明授权
    Method of manufacturing a semiconductor substrate having a cavity 有权
    具有空腔的半导体基板的制造方法

    公开(公告)号:US08481411B2

    公开(公告)日:2013-07-09

    申请号:US12929712

    申请日:2011-02-10

    申请人: Shiro Sakai

    发明人: Shiro Sakai

    摘要: The present invention provides a method of fabricating a semiconductor substrate, the method including forming a first semiconductor layer on a substrate, forming a metallic material layer on the first semiconductor layer, forming a second semiconductor layer on the first semiconductor layer and the metallic material layer, etching the substrate using a solution to remove the metallic material layer and a portion of the first semiconductor layer, and forming a cavity in the first semiconductor layer under where the metallic material layer was removed.

    摘要翻译: 本发明提供一种制造半导体衬底的方法,该方法包括在衬底上形成第一半导体层,在第一半导体层上形成金属材料层,在第一半导体层上形成第二半导体层,在金属材料层 使用溶液蚀刻所述基板以去除所述金属材料层和所述第一半导体层的一部分,以及在去除所述金属材料层的所述第一半导体层内形成空腔。

    Semiconductor substrate, semiconductor device, and manufacturing methods thereof
    18.
    发明申请
    Semiconductor substrate, semiconductor device, and manufacturing methods thereof 有权
    半导体衬底,半导体器件及其制造方法

    公开(公告)号:US20120258559A1

    公开(公告)日:2012-10-11

    申请号:US13507210

    申请日:2012-06-13

    申请人: Shiro Sakai

    发明人: Shiro Sakai

    IPC分类号: H01L33/32

    摘要: Exemplary embodiments of the present invention provide a method of fabricating a semiconductor substrate, the method including forming a first semiconductor layer on a substrate, forming a metallic material layer on the first semiconductor layer, forming a second semiconductor layer on the first semiconductor layer and the metallic material layer, etching the substrate using a solution to remove the metallic material layer and a portion of the first semiconductor layer, and forming a cavity in the first semiconductor layer under where the metallic material layer was removed.

    摘要翻译: 本发明的示例性实施例提供一种制造半导体衬底的方法,该方法包括在衬底上形成第一半导体层,在第一半导体层上形成金属材料层,在第一半导体层上形成第二半导体层, 使用溶液蚀刻所述基板以去除所述金属材料层和所述第一半导体层的一部分,以及在去除所述金属材料层的第一半导体层内形成空腔。

    Light emitting device having light emitting elements with a shared electrode
    19.
    发明授权
    Light emitting device having light emitting elements with a shared electrode 有权
    具有发光元件的共用电极的发光器件

    公开(公告)号:US08097889B2

    公开(公告)日:2012-01-17

    申请号:US12352240

    申请日:2009-01-12

    IPC分类号: H01L33/00

    摘要: A light-emitting device operating on a high drive voltage and a small drive current. LEDs (1) are two-dimensionally formed on an insulating substrate (10) of e.g., sapphire monolithically and connected in series to form an LED array. Two such LED arrays are connected to electrodes (32) in inverse parallel. Air-bridge wiring (28) is formed between the LEDs (1) and between the LEDs (1) and electrodes (32). The LED arrays are arranged zigzag to form a plurality of LEDs (1) to produce a high drive voltage and a small drive current. Two LED arrays are connected in inverse parallel, and therefore an AC power supply can be used as the power supply.

    摘要翻译: 在高驱动电压和小驱动电流下工作的发光装置。 LED(1)二次形成在例如蓝宝石的绝缘基板(10)上,并且串联连接以形成LED阵列。 两个这样的LED阵列反向并联连接到电极(32)。 在LED(1)之间以及LED(1)和电极(32)之间形成空气桥接线(28)。 LED阵列以Z字形排列以形成多个LED(1)以产生高驱动电压和小的驱动电流。 两个LED阵列相反并联连接,因此可以使用交流电源作为电源。

    LIGHT EMITTING DIODE AND METHOD OF FABRICATING THE SAME
    20.
    发明申请
    LIGHT EMITTING DIODE AND METHOD OF FABRICATING THE SAME 有权
    发光二极管及其制造方法

    公开(公告)号:US20100171136A1

    公开(公告)日:2010-07-08

    申请号:US12601165

    申请日:2008-05-16

    IPC分类号: H01L33/22 H01L21/304

    摘要: The present invention provides a method of fabricating a light emitting diode, which comprises the steps of forming a compound semiconductor layer on a substrate, the compound semiconductor layer including a lower semiconductor layer, an active layer and an upper semiconductor layer; and scratching a surface of the substrate by rubbing the substrate with an abrasive. According to the present invention, the abrasive is used to rub and scratch the surface of the light emitting diode, thereby making it possible to cause the light emitted from the active layer to effectively exit to the outside. Therefore, the light extraction efficiency of the light emitting diode can be improved.

    摘要翻译: 本发明提供一种制造发光二极管的方法,其包括以下步骤:在衬底上形成化合物半导体层,所述化合物半导体层包括下半导体层,有源层和上半导体层; 以及通过用研磨剂摩擦基材来刮擦基材的表面。 根据本发明,研磨剂用于擦拭和划伤发光二极管的表面,从而使得可以使从有源层发射的光有效地离开到外部。 因此,可以提高发光二极管的光提取效率。