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1. 发明申请

US20110215370A1 SEMICONDUCTOR LIGHT-EMITTING DEVICE 有权
标题翻译：半导体发光器件
公开(公告)号：US20110215370A1
公开(公告)日：2011-09-08
申请号：US12873753
申请日：2010-09-01
申请人： Taisuke Sato , Toshiyuki Oka , Koichi Tachibana , Shinya Nunoue , Kazufumi Shiozawa , Takayoshi Fujii
发明人： Taisuke Sato , Toshiyuki Oka , Koichi Tachibana , Shinya Nunoue , Kazufumi Shiozawa , Takayoshi Fujii
IPC分类号： H01L33/26
CPC分类号： H01L33/20 , H01L33/46
摘要： According to one embodiment, a semiconductor light-emitting device having high light extraction efficiency is provided. The semiconductor light-emitting device includes a light transmissive substrate; a nitride semiconductor layer of a first conduction type formed on or above a top face side of the light transmissive substrate; an active layer made of nitride semiconductor formed on a top face of the nitride semiconductor layer of the first conduction type; a nitride semiconductor layer of a second conduction type formed on a top face of the active layer; a dielectric layer formed on a bottom face of the light transmissive substrate and having a refractive index lower than that of the light transmissive substrate; and a metal layer formed on a bottom face of the dielectric layer. And an interface between the light transmissive substrate and the dielectric layer is a uneven face, and an interface between the dielectric layer and the metal layer is a flat face.
摘要翻译：根据一个实施例，提供了具有高光提取效率的半导体发光器件。半导体发光器件包括透光衬底; 形成在所述透光基板的顶面侧上方或上方的第一导电型氮化物半导体层; 形成在第一导电型氮化物半导体层的顶面上的由氮化物半导体制成的有源层; 形成在有源层的顶面上的第二导电类型的氮化物半导体层; 介电层，其形成在所述透光性基板的底面上，折射率低于所述透光性基板的折射率; 以及形成在电介质层的底面上的金属层。并且透光基板和电介质层之间的界面是不平坦的面，并且介电层和金属层之间的界面是平坦的面。

2. 发明授权

US08242532B2 Semiconductor light-emitting device 有权
标题翻译：半导体发光装置
公开(公告)号：US08242532B2
公开(公告)日：2012-08-14
申请号：US12873753
申请日：2010-09-01
申请人： Taisuke Sato , Toshiyuki Oka , Koichi Tachibana , Shinya Nunoue , Kazufumi Shiozawa , Takayoshi Fujii
发明人： Taisuke Sato , Toshiyuki Oka , Koichi Tachibana , Shinya Nunoue , Kazufumi Shiozawa , Takayoshi Fujii
IPC分类号： H01L33/26
CPC分类号： H01L33/20 , H01L33/46
摘要： According to one embodiment, a semiconductor light-emitting device having high light extraction efficiency is provided. The semiconductor light-emitting device includes a light transmissive substrate; a nitride semiconductor layer of a first conduction type formed on or above a top face side of the light transmissive substrate; an active layer made of nitride semiconductor formed on a top face of the nitride semiconductor layer of the first conduction type; a nitride semiconductor layer of a second conduction type formed on a top face of the active layer; a dielectric layer formed on a bottom face of the light transmissive substrate and having a refractive index lower than that of the light transmissive substrate; and a metal layer formed on a bottom face of the dielectric layer. And an interface between the light transmissive substrate and the dielectric layer is a uneven face, and an interface between the dielectric layer and the metal layer is a flat face.
摘要翻译：根据一个实施例，提供了具有高光提取效率的半导体发光器件。半导体发光器件包括透光衬底; 形成在所述透光基板的顶面侧上方或上方的第一导电型氮化物半导体层; 形成在第一导电型氮化物半导体层的顶面上的由氮化物半导体制成的有源层; 形成在有源层的顶面上的第二导电类型的氮化物半导体层; 介电层，其形成在所述透光性基板的底面上，折射率低于所述透光性基板的折射率; 以及形成在电介质层的底面上的金属层。并且透光基板和电介质层之间的界面是不平坦的面，并且介电层和金属层之间的界面是平坦的面。

3. 发明授权

US08188510B2 Semiconductor light-emitting device 有权
公开(公告)号：US08188510B2
公开(公告)日：2012-05-29
申请号：US12873753
申请日：2010-09-01
申请人： Taisuke Sato , Toshiyuki Oka , Koichi Tachibana , Shinya Nunoue , Kazufumi Shiozawa , Takayoshi Fujii
发明人： Taisuke Sato , Toshiyuki Oka , Koichi Tachibana , Shinya Nunoue , Kazufumi Shiozawa , Takayoshi Fujii
IPC分类号： H01L33/26
摘要： According to one embodiment, a semiconductor light-emitting device having high light extraction efficiency is provided. The semiconductor light-emitting device includes a light transmissive substrate; a nitride semiconductor layer of a first conduction type formed on or above a top face side of the light transmissive substrate; an active layer made of nitride semiconductor formed on a top face of the nitride semiconductor layer of the first conduction type; a nitride semiconductor layer of a second conduction type formed on a top face of the active layer; a dielectric layer formed on a bottom face of the light transmissive substrate and having a refractive index lower than that of the light transmissive substrate; and a metal layer formed on a bottom face of the dielectric layer. And an interface between the light transmissive substrate and the dielectric layer is a uneven face, and an interface between the dielectric layer and the metal layer is a flat face.

4. 发明申请

US20120056220A1 SEMICONDUCTOR LIGHT EMMITING DEVICE 失效
标题翻译：半导体照明装置
公开(公告)号：US20120056220A1
公开(公告)日：2012-03-08
申请号：US13226045
申请日：2011-09-06
申请人： Taisuke SATO , Masanobu Ando , Hajime Nago , Koichi Tachibana , Toshiyuki Oka , Shinya Nunoue
发明人： Taisuke SATO , Masanobu Ando , Hajime Nago , Koichi Tachibana , Toshiyuki Oka , Shinya Nunoue
IPC分类号： H01L33/60
CPC分类号： H01L33/007 , H01L33/46
摘要： According to one embodiment, in a light emitting device, a substrate is transparent to a wavelength of emitted light. A first dielectric layer is formed in a first region on the substrate, and has a refractive index smaller than a refractive index of the substrate. A second dielectric layer is formed in a second region on the substrate surrounding the first region, and has a refractive index larger than the refractive index of the substrate. A first semiconductor layer is formed on the first dielectric layer, the second dielectric layer and the substrate. A second semiconductor layer is formed on the first semiconductor layer, and includes an active layer having a PN junction.
摘要翻译：根据一个实施例，在发光器件中，衬底对于发射波长的波长是透明的。第一电介质层形成在基板上的第一区域中，并且折射率小于基板的折射率。在包围第一区域的基板上的第二区域中形成第二电介质层，并且折射率大于基板的折射率。在第一电介质层，第二电介质层和衬底上形成第一半导体层。第二半导体层形成在第一半导体层上，并且包括具有PN结的有源层。

5. 发明授权

US08643044B2 Semiconductor light emitting device 有权
标题翻译：半导体发光器件
公开(公告)号：US08643044B2
公开(公告)日：2014-02-04
申请号：US13222912
申请日：2011-08-31
申请人： Koichi Tachibana , Shigeya Kimura , Toshiki Hikosaka , Taisuke Sato , Toshiyuki Oka , Shinya Nunoue
发明人： Koichi Tachibana , Shigeya Kimura , Toshiki Hikosaka , Taisuke Sato , Toshiyuki Oka , Shinya Nunoue
IPC分类号： H01L33/00
CPC分类号： H01L33/42
摘要： According to one embodiment, a semiconductor light emitting device includes: a stacked structure body, first and second electrodes, and a pad layer. The body includes first semiconductor layer of a first conductivity type, a light emitting layer, and a second semiconductor layer of second conductivity type. The first semiconductor layer has first and second portions. The light emitting layer is provided on the second portion. The second semiconductor layer is provided on the light emitting layer. The first electrode is provided on the first portion. The second electrode is provided on the second semiconductor layer and is transmittable to light emitted from the light emitting layer. The pad layer is connected to the second electrode. A transmittance of the pad layer is lower than that of the second electrode. A sheet resistance of the second electrode increases continuously along a direction from the pad layer toward the first electrode.
摘要翻译：根据一个实施例，半导体发光器件包括：堆叠结构体，第一和第二电极以及衬垫层。主体包括第一导电类型的第一半导体层，发光层和第二导电类型的第二半导体层。第一半导体层具有第一和第二部分。发光层设置在第二部分上。第二半导体层设置在发光层上。第一电极设置在第一部分上。第二电极设置在第二半导体层上，并且可透射到从发光层发射的光。焊盘层连接到第二电极。焊盘层的透射率低于第二电极的透射率。第二电极的薄层电阻沿着从衬垫层向第一电极的方向连续地增加。

6. 发明授权

US08395263B2 Semiconductor light emitting device and method for manufacturing the same 有权
标题翻译：半导体发光器件及其制造方法
公开(公告)号：US08395263B2
公开(公告)日：2013-03-12
申请号：US13029462
申请日：2011-02-17
申请人： Taisuke Sato , Toshiyuki Oka , Koichi Tachibana , Shinya Nunoue
发明人： Taisuke Sato , Toshiyuki Oka , Koichi Tachibana , Shinya Nunoue
IPC分类号： H01L23/48
CPC分类号： H01L33/60 , H01L33/30 , H01L33/32 , H01L33/36 , H01L33/38 , H01L33/382 , H01L33/385 , H01L33/387 , H01L33/40 , H01L33/405 , H01L33/42 , H01L33/44 , H01L2224/29083 , H01L2224/29099 , H01L2933/0016
摘要： According to one embodiment, a semiconductor light emitting device includes a stacked structural body, a first, a second and a third conductive layer. The stacked structural body includes first and second semiconductors and a light emitting layer provided therebetween. The second semiconductor layer is disposed between the first conductive layer and the light emitting layer. The first conductive layer is transparent. The first conductive layer has a first major surface on a side opposite to the second semiconductor layer. The second conductive layer is in contact with the first major surface. The third conductive layer is in contact with the first major surface and has a reflectance higher than a reflectance of the second conductive layer. The third conductive layer includes an extending part extending in parallel to the first major surface. At least a portion of the extending part is not covered by the second conductive layer.
摘要翻译：根据一个实施例，半导体发光器件包括层叠结构体，第一，第二和第三导电层。堆叠结构体包括第一和第二半导体以及设置在它们之间的发光层。第二半导体层设置在第一导电层和发光层之间。第一导电层是透明的。第一导电层在与第二半导体层相对的一侧具有第一主表面。第二导电层与第一主表面接触。第三导电层与第一主表面接触并且具有高于第二导电层的反射率的反射率。第三导电层包括平行于第一主表面延伸的延伸部分。延伸部分的至少一部分不被第二导电层覆盖。

7. 发明申请

US20120032213A1 SEMICONDUCTOR LIGHT EMITTING DEVICE AND METHOD FOR MANUFACTURING THE SAME 有权
标题翻译：半导体发光器件及其制造方法
公开(公告)号：US20120032213A1
公开(公告)日：2012-02-09
申请号：US13029462
申请日：2011-02-17
申请人： Taisuke SATO , Toshiyuki Oka , Koichi Tachibana , Shinya Nunoue
发明人： Taisuke SATO , Toshiyuki Oka , Koichi Tachibana , Shinya Nunoue
IPC分类号： H01L33/60
CPC分类号： H01L33/60 , H01L33/30 , H01L33/32 , H01L33/36 , H01L33/38 , H01L33/382 , H01L33/385 , H01L33/387 , H01L33/40 , H01L33/405 , H01L33/42 , H01L33/44 , H01L2224/29083 , H01L2224/29099 , H01L2933/0016
摘要： According to one embodiment, a semiconductor light emitting device includes a stacked structural body, a first, a second and a third conductive layer. The stacked structural body includes first and second semiconductors and a light emitting layer provided therebetween. The second semiconductor layer is disposed between the first conductive layer and the light emitting layer. The first conductive layer is transparent. The first conductive layer has a first major surface on a side opposite to the second semiconductor layer. The second conductive layer is in contact with the first major surface. The third conductive layer is in contact with the first major surface and has a reflectance higher than a reflectance of the second conductive layer. The third conductive layer includes an extending part extending in parallel to the first major surface. At least a portion of the extending part is not covered by the second conductive layer.
摘要翻译：根据一个实施例，半导体发光器件包括层叠结构体，第一，第二和第三导电层。堆叠结构体包括第一和第二半导体以及设置在它们之间的发光层。第二半导体层设置在第一导电层和发光层之间。第一导电层是透明的。第一导电层在与第二半导体层相对的一侧具有第一主表面。第二导电层与第一主表面接触。第三导电层与第一主表面接触并且具有高于第二导电层的反射率的反射率。第三导电层包括平行于第一主表面延伸的延伸部分。延伸部分的至少一部分不被第二导电层覆盖。

8. 发明申请

US20120061713A1 SEMICONDUCTOR LIGHT EMITTING DEVICE 有权
标题翻译：半导体发光器件
公开(公告)号：US20120061713A1
公开(公告)日：2012-03-15
申请号：US13222912
申请日：2011-08-31
申请人： Koichi Tachibana , Shigeya Kimura , Toshiki Hikosaka , Taisuke Sato , Toshiyuki Oka , Shinya Nunoue
发明人： Koichi Tachibana , Shigeya Kimura , Toshiki Hikosaka , Taisuke Sato , Toshiyuki Oka , Shinya Nunoue
IPC分类号： H01L33/42
CPC分类号： H01L33/42
摘要： According to one embodiment, a semiconductor light emitting device includes: a stacked structure body, first and second electrodes, and a pad layer. The body includes first semiconductor layer of a first conductivity type, a light emitting layer, and a second semiconductor layer of second conductivity type. The first semiconductor layer has first and second portions. The light emitting layer is provided on the second portion. The second semiconductor layer is provided on the light emitting layer. The first electrode is provided on the first portion. The second electrode is provided on the second semiconductor layer and is transmittable to light emitted from the light emitting layer. The pad layer is connected to the second electrode. A transmittance of the pad layer is lower than that of the second electrode. A sheet resistance of the second electrode increases continuously along a direction from the pad layer toward the first electrode.
摘要翻译：根据一个实施例，半导体发光器件包括：堆叠结构体，第一和第二电极以及衬垫层。主体包括第一导电类型的第一半导体层，发光层和第二导电类型的第二半导体层。第一半导体层具有第一和第二部分。发光层设置在第二部分上。第二半导体层设置在发光层上。第一电极设置在第一部分上。第二电极设置在第二半导体层上，并且可透射到从发光层发射的光。焊盘层连接到第二电极。焊盘层的透射率低于第二电极的透射率。第二电极的薄层电阻沿着从衬垫层向第一电极的方向连续地增加。

9. 发明授权

US08441023B2 Semiconductor light emitting device 失效
标题翻译：半导体发光器件
公开(公告)号：US08441023B2
公开(公告)日：2013-05-14
申请号：US13226045
申请日：2011-09-06
申请人： Taisuke Sato , Masanobu Ando , Hajime Nago , Koichi Tachibana , Toshiyuki Oka , Shinya Nunoue
发明人： Taisuke Sato , Masanobu Ando , Hajime Nago , Koichi Tachibana , Toshiyuki Oka , Shinya Nunoue
IPC分类号： H01L33/00
CPC分类号： H01L33/007 , H01L33/46
摘要： According to one embodiment, in a light emitting device, a substrate is transparent to a wavelength of emitted light. A first dielectric layer is formed in a first region on the substrate, and has a refractive index smaller than a refractive index of the substrate. A second dielectric layer is formed in a second region on the substrate surrounding the first region, and has a refractive index larger than the refractive index of the substrate. A first semiconductor layer is formed on the first dielectric layer, the second dielectric layer and the substrate. A second semiconductor layer is formed on the first semiconductor layer, and includes an active layer having a PN junction.
摘要翻译：根据一个实施例，在发光器件中，衬底对于发射波长的波长是透明的。第一电介质层形成在基板上的第一区域中，并且折射率小于基板的折射率。在包围第一区域的基板上的第二区域中形成第二电介质层，并且折射率大于基板的折射率。在第一电介质层，第二电介质层和衬底上形成第一半导体层。第二半导体层形成在第一半导体层上，并且包括具有PN结的有源层。

10. 发明授权

US08436395B2 Semiconductor light emitting device 失效
标题翻译：半导体发光器件
公开(公告)号：US08436395B2
公开(公告)日：2013-05-07
申请号：US13405961
申请日：2012-02-27
申请人： Takahiro Sato , Shigeya Kimura , Taisuke Sato , Toshihide Ito , Koichi Tachibana , Shinya Nunoue
发明人： Takahiro Sato , Shigeya Kimura , Taisuke Sato , Toshihide Ito , Koichi Tachibana , Shinya Nunoue
IPC分类号： H01L33/36
CPC分类号： H01L33/24 , H01L33/382 , H01L33/42
摘要： According to one embodiment, a semiconductor light emitting device includes a stacked structure unit, a transparent, p-side and n-side electrodes. The unit includes n-type semiconductor layer, a light emitting portion provided on a part of the n-type semiconductor layer and p-type semiconductor layer provided on the light emitting portion. The transparent electrode is provided on the p-type semiconductor layer. The p-side electrode is provided on the transparent electrode. The n-side electrode is provided on the n-type semiconductor layer. The transparent electrode has a hole provided between the n-side and p-side electrodes. A width of the hole along an axis perpendicular to an axis from the p-side electrode toward the n-side electrode is longer than widths of the n-side and p-side electrodes. A distance between the hole and the n-side electrode is not longer than a distance between the hole and the p-side electrode.
摘要翻译：根据一个实施例，半导体发光器件包括堆叠结构单元，透明的p侧和n侧电极。该单元包括n型半导体层，设置在n型半导体层的一部分上的发光部分和设置在发光部分上的p型半导体层。透明电极设置在p型半导体层上。 p侧电极设置在透明电极上。 n侧电极设置在n型半导体层上。透明电极具有设置在n侧和p侧电极之间的孔。沿着与p侧电极朝向n侧电极的轴垂直的轴的孔的宽度比n侧电极和p侧电极的宽度长。孔和n侧电极之间的距离不大于孔和p侧电极之间的距离。

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