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公开(公告)号：US20120286237A1
公开(公告)日：2012-11-15
申请号：US13222185
申请日：2011-08-31
申请人： Hajime Nago , Koichi Tachibana , Shigeya Kimura , Takahiro Sato , Taisuke Sato , Toshihide Ito , Shinya Nunoue
发明人： Hajime Nago , Koichi Tachibana , Shigeya Kimura , Takahiro Sato , Taisuke Sato , Toshihide Ito , Shinya Nunoue
IPC分类号： H01L33/06
CPC分类号： H01L33/06 , B82Y20/00 , H01L33/325 , H01S5/34333 , H01S2304/04
摘要： According to one embodiment, a semiconductor light emitting device includes: an n-type semiconductor layer, a p-type semiconductor layer, and a light emitting part. The light emitting part is provided between the n-type semiconductor layer and the p-type semiconductor layer. The light emitting part includes: a plurality of well layers including Inx1Ga1-x1N (0
摘要翻译： 根据一个实施例，半导体发光器件包括：n型半导体层，p型半导体层和发光部分。 发光部分设置在n型半导体层和p型半导体层之间。 发光部分包括：包括In x Ga 1-x1 N（0
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公开(公告)号：US20110215291A1
公开(公告)日：2011-09-08
申请号：US12873586
申请日：2010-09-01
申请人： Toshihide Ito , Koichi Tachibana , Shinya Nunoue
发明人： Toshihide Ito , Koichi Tachibana , Shinya Nunoue
IPC分类号： H01L31/0256 , H01L31/0352
CPC分类号： H01L31/022466 , B82Y20/00 , H01L31/035236 , H01L33/42
摘要： According to one embodiment, a semiconductor light-emitting device using an ITON layer for a transparent conductor and realizing low drive voltage, high luminance efficiency, and uniformed light emission intensity distribution is provided. The semiconductor light-emitting device includes: a substrate; an n-type semiconductor layer formed on the substrate; an active layer formed on the n-type semiconductor layer; a p-type semiconductor layer formed on the active layer and whose uppermost part is a p-type GaN layer; an ITON (Indium Tin Oxynitride) layer formed on the p-type GaN layer; an ITO (Indium Tin Oxide) layer formed on the ITON layer; a first metal electrode formed on a part on the ITO layer; and a second metal electrode formed in contact with the n-type semiconductor layer.
摘要翻译： 根据一个实施例，提供了一种使用用于透明导体的ITON层并实现低驱动电压，高亮度效率和均匀的发光强度分布的半导体发光器件。 半导体发光器件包括：衬底; 在该基板上形成的n型半导体层; 形成在所述n型半导体层上的有源层; 在有源层上形成的p型半导体层，其最上部是p型GaN层; 形成在p型GaN层上的ITON（铟锡氧氮化物）层; 形成在ITON层上的ITO（氧化铟锡）层; 形成在所述ITO层的一部分上的第一金属电极; 以及形成为与n型半导体层接触的第二金属电极。
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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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公开(公告)号：US20130001584A1
公开(公告)日：2013-01-03
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： H01L33/32
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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公开(公告)号：US08455911B2
公开(公告)日：2013-06-04
申请号：US12873586
申请日：2010-09-01
申请人： Toshihide Ito , Koichi Tachibana , Shinya Nunoue
发明人： Toshihide Ito , Koichi Tachibana , Shinya Nunoue
IPC分类号： H01L33/00
CPC分类号： H01L31/022466 , B82Y20/00 , H01L31/035236 , H01L33/42
摘要： According to one embodiment, a semiconductor light-emitting device using an ITON layer for a transparent conductor and realizing low drive voltage, high luminance efficiency, and uniformed light emission intensity distribution is provided. The semiconductor light-emitting device includes: a substrate; an n-type semiconductor layer formed on the substrate; an active layer formed on the n-type semiconductor layer; a p-type semiconductor layer formed on the active layer and whose uppermost part is a p-type GaN layer; an ITON (Indium Tin Oxynitride) layer formed on the p-type GaN layer; an ITO (Indium Tin Oxide) layer formed on the ITON layer; a first metal electrode formed on a part on the ITO layer; and a second metal electrode formed in contact with the n-type semiconductor layer.
摘要翻译： 根据一个实施例，提供了一种使用用于透明导体的ITON层并实现低驱动电压，高亮度效率和均匀的发光强度分布的半导体发光器件。 半导体发光器件包括：衬底; 在该基板上形成的n型半导体层; 形成在所述n型半导体层上的有源层; 在有源层上形成的p型半导体层，其最上部是p型GaN层; 形成在p型GaN层上的ITON（铟锡氧氮化物）层; 形成在ITON层上的ITO（氧化铟锡）层; 形成在所述ITO层的一部分上的第一金属电极; 以及形成为与n型半导体层接触的第二金属电极。
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公开(公告)号：US20120132943A1
公开(公告)日：2012-05-31
申请号：US13204013
申请日：2011-08-05
IPC分类号： H01L33/58
CPC分类号： H01L33/22 , H01L33/325 , H01L33/40
摘要： According to one embodiment, a semiconductor light emitting device includes an n-type semiconductor layer, an electrode, a p-type semiconductor layer and a light emitting layer. The p-type semiconductor layer is provided between the n-type semiconductor layer and the electrode and includes a p-side contact layer contacting the electrode. The light emitting layer is provided between the n-type and the p-type semiconductor layers. The p-side contact layer includes a flat part having a plane perpendicular to a first direction from the n-type semiconductor layer toward the p-type semiconductor layer and multiple protruding parts protruding from the flat part toward the electrode. A height of the multiple protruding parts along the first direction is smaller than one-fourth of a dominant wavelength of light emitted from the light emitting layer. A density of the multiple protruding parts in the plane is 5×107/cm2 or more and 2×108/cm2 or less.
摘要翻译： 根据一个实施例，半导体发光器件包括n型半导体层，电极，p型半导体层和发光层。 p型半导体层设置在n型半导体层和电极之间，并且包括与电极接触的p侧接触层。 发光层设置在n型和p型半导体层之间。 p侧接触层包括具有垂直于从n型半导体层朝向p型半导体层的第一方向的平面的平坦部分和从平坦部分向电极突出的多个突出部分。 沿着第一方向的多个突出部分的高度小于从发光层发射的光的主波长的四分之一。 平面内的多个突出部的密度为5×10 7 / cm 2以上2×10 8 / cm 2以下。
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公开(公告)号：US09412910B2
公开(公告)日：2016-08-09
申请号：US13030453
申请日：2011-02-18
申请人： Toshihide Ito , Taisuke Sato , Toshiyuki Oka , Shinya Nunoue
发明人： Toshihide Ito , Taisuke Sato , Toshiyuki Oka , Shinya Nunoue
CPC分类号： H01L33/44 , H01L33/42 , H01L2933/0016
摘要： According to one embodiment, a semiconductor light emitting device includes a first semiconductor layer of a first conductivity type, a second semiconductor layer of a second conductivity type, a light emitting portion, a first transparent conductive layer, and a second transparent conductive layer. The light emitting portion is provided between the first and second semiconductor layers. The second semiconductor layer is disposed between the first transparent conductive layer and the light emitting portion. The first transparent conductive layer includes oxygen. The second transparent conductive layer is provided between the second semiconductor layer and the first transparent conductive layer. The second transparent conductive layer has a refractive index higher than a refractive index of the first transparent conductive layer, and includes oxygen at a concentration higher than a concentration of oxygen included in the first transparent conductive layer.
摘要翻译： 根据一个实施例，半导体发光器件包括第一导电类型的第一半导体层，第二导电类型的第二半导体层，发光部分，第一透明导电层和第二透明导电层。 发光部分设置在第一和第二半导体层之间。 第二半导体层设置在第一透明导电层和发光部之间。 第一透明导电层包括氧。 第二透明导电层设置在第二半导体层和第一透明导电层之间。 第二透明导电层的折射率高于第一透明导电层的折射率，并且包括浓度高于第一透明导电层中包含的氧浓度的氧。
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公开(公告)号：US08766297B2
公开(公告)日：2014-07-01
申请号：US13030264
申请日：2011-02-18
申请人： Toshihide Ito , Toshiyuki Oka , Kotaro Zaima , Taisuke Sato , Shinya Nunoue
发明人： Toshihide Ito , Toshiyuki Oka , Kotaro Zaima , Taisuke Sato , Shinya Nunoue
CPC分类号： H01L33/145 , H01L33/405 , H01L33/42
摘要： According to one embodiment, a semiconductor light emitting device includes a stacked structural body, first and second electrodes, a high resistance layer and a transparent conductive layer. The stacked structural body includes first and second semiconductor layers and a light emitting layer. The first semiconductor layer is disposed between the first electrode and the second semiconductor layer. The second semiconductor layer is disposed between the second electrode and the first semiconductor layer. The second electrode has reflectivity with respect to luminescent light. The high resistance layer is in contact with the second semiconductor layer between the second semiconductor layer and the second electrode and includes a portion overlapping with the first electrode. The transparent conductive layer is in contact with the second semiconductor layer between the second semiconductor layer and the second electrode. The transparent conductive layer has a resistance lower than a resistance of the high resistance layer.
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，高电阻层和透明导电层。 堆叠结构体包括第一和第二半导体层和发光层。 第一半导体层设置在第一电极和第二半导体层之间。 第二半导体层设置在第二电极和第一半导体层之间。 第二电极具有相对于发光的反射率。 高电阻层与第二半导体层与第二电极之间的第二半导体层接触并且包括与第一电极重叠的部分。 透明导电层与第二半导体层在第二半导体层和第二电极之间接触。 透明导电层的电阻低于高电阻层的电阻。
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9.发明授权公开(公告)号：US08623676B2
公开(公告)日：2014-01-07
申请号：US13218728
申请日：2011-08-26
申请人： Toshihide Ito , Toshiyuki Oka , Shinya Nunoue
发明人： Toshihide Ito , Toshiyuki Oka , Shinya Nunoue
IPC分类号： H01L33/18
CPC分类号： H01L33/40 , H01L33/007 , H01L33/16 , H01L33/32 , H01L33/42
摘要： According to one embodiment, a semiconductor light emitting device includes first and second conductive layers, a first semiconductor layer of a first conductivity type, a second semiconductor layer of a second conductivity type, and a light emitting part. The second semiconductor layer is provided between the first conductive layer and the first semiconductor layer. The light emitting part is provided between the first and second semiconductor layers. The second conductive layer is in contact with the second semiconductor layer and the first conductive layer between the second semiconductor layer and the first conductive layer. The first and second conductive layers are transmittable to light emitted from the light emitting part. The first conductive layer includes a polycrystal having a first average grain diameter. The second conductive layer includes a polycrystal having a second average grain diameter of 150 nanometers or less and smaller than the first average grain diameter.
摘要翻译： 根据一个实施例，半导体发光器件包括第一和第二导电层，第一导电类型的第一半导体层，第二导电类型的第二半导体层和发光部分。 第二半导体层设置在第一导电层与第一半导体层之间。 发光部分设置在第一和第二半导体层之间。 第二导电层与第二半导体层和第二导电层在第二半导体层和第一导电层之间接触。 第一和第二导电层可透射从发光部分发射的光。 第一导电层包括具有第一平均晶粒直径的多晶体。 第二导电层包括第二平均粒径为150纳米以下且小于第一平均粒径的多晶体。
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公开(公告)号：US09105810B2
公开(公告)日：2015-08-11
申请号：US13404607
申请日：2012-02-24
申请人： Toshihide Ito , Hiroshi Katsuno , Shinya Nunoue
发明人： Toshihide Ito , Hiroshi Katsuno , Shinya Nunoue
CPC分类号： H01L33/32 , H01L33/0075 , H01L33/405 , H01L33/44 , H01L2933/0016 , H01L2933/0025
摘要： According to one embodiment, a semiconductor light emitting device includes a first semiconductor layer, a light emitting unit, a second semiconductor layer, a reflecting electrode, an oxide layer and a nitrogen-containing layer. The first semiconductor layer is of a first conductivity type. The light emitting unit is provided on the first semiconductor layer. The second semiconductor layer is provided on the light emitting unit and is of a second conductivity type. The reflecting electrode is provided on the second semiconductor layer and includes Ag. The oxide layer is provided on the reflecting electrode. The oxide layer is insulative and has a first opening. The nitrogen-containing layer is provided on the oxide layer. The nitrogen-containing layer is insulative and has a second opening communicating with the first opening.
摘要翻译： 根据一个实施例，半导体发光器件包括第一半导体层，发光单元，第二半导体层，反射电极，氧化物层和含氮层。 第一半导体层是第一导电类型。 发光单元设置在第一半导体层上。 第二半导体层设置在发光单元上并且是第二导电类型。 反射电极设置在第二半导体层上并且包括Ag。 氧化物层设置在反射电极上。 氧化物层是绝缘的并且具有第一开口。 含氧层设置在氧化物层上。 含氮层是绝缘的，并且具有与第一开口连通的第二开口。
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