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    • 72. 发明申请
    • Light-emitting semiconductor device using group III nitrogen compound
    • 使用III族氮化合物的发光半导体器件
    • US20060118821A1
    • 2006-06-08
    • US11328079
    • 2006-01-10
    • Katsuhide ManabeHisaki KatoMichinari SassaShiro YamazakiMakoto AsaiNaoki ShibataMasayoshi Koike
    • Katsuhide ManabeHisaki KatoMichinari SassaShiro YamazakiMakoto AsaiNaoki ShibataMasayoshi Koike
    • H01L31/109
    • H01L33/32H01L33/0025H01L33/007H01L33/325H01L33/38H01L33/382H01L33/385H01L33/40
    • A light-emitting semiconductor device (10) consecutively includes a sapphire substrate (1), an AlN buffer layer (2), a silicon (Si) doped GaN n+-layer (3) of high carrier (n-type) concentration, a Si-doped (Alx3Ga1-x3)y3In1-y3N n+-layer (4) of high carrier (n-type) concentration, a zinc (Zn) and Si-doped (Alx2Ga1-x2)y2In1-y2N emission layer (5), and a Mg-doped (Alx1Ga1-x1)y1In1-y1N p-layer (6). The AlN layer (2) has a 500 Å thickness. The GaN n+-layer (3) has about a 2.0 μm thickness and a 2×1018/cm3 electron concentration. The n+-layer (4) has about a 2.0 μm thickness and a 2×1018/cm3 electron concentration. The emission layer (5) has about a 0.5 μm thickness. The p-layer 6 has about a 1.0 μm thickness and a 2×1017/cm3 hole concentration. Nickel electrodes (7, 8) are connected to the p-layer (6) and n+-layer (4), respectively. A groove (9) electrically insulates the electrodes (7, 8). The composition ratio of Al, Ga, and In in each of the layers (4, 5, 6) is selected to meet the lattice constant of GaN in the n+-layer (3). The LED (10) is designed to improve luminous intensity and to obtain purer blue color.
    • 发光半导体器件(10)连续地包括蓝宝石衬底(1),AlN缓冲层(2),高载体的硅(Si)掺杂GaN n + +层(3) (n型)浓度,Si掺杂(Al x3 Ga 1-x 3)y 3在1-y 3中, 具有高载流子(n型)浓度的氮(Zn)和Si掺杂(Al 2 x 2 Ga 2) 1-x2 Y2在1-y2 N发射层(5)中,以及Mg掺杂(Al x1 Ga) 在1-y1 N p层(6)中。 AlN层(2)的厚度为500埃。 GaN n + +层(3)具有约2.0μm厚度和2×10 18 / cm 3电子浓度。 n + +层(4)具有约2.0μm厚度和2×10 18 / cm 3电子浓度。 发射层(5)的厚度约为0.5μm。 p层6具有约1.0μm厚度和2×10 17 / cm 3孔浓度。 镍电极(7,8)分别连接到p层(6)和n + +层(4)。 一个凹槽(9)使电极(7,8)电绝缘。 选择各层(4,5,6)中的Al,Ga和In的组成比以满足n +层(3)中的GaN的晶格常数。 LED(10)被设计为提高发光强度并获得更纯的蓝色。
    • 73. 发明申请
    • LIght-emitting semiconductor device using group III nitrogen compound
    • 使用III族氮化合物的发光半导体器件
    • US20050224834A1
    • 2005-10-13
    • US11143664
    • 2005-06-03
    • Katsuhide ManabeHisaki KatoMichinari SassaShiro YamazakiMakoto AsaiNaoki ShibataMasayoshi Koike
    • Katsuhide ManabeHisaki KatoMichinari SassaShiro YamazakiMakoto AsaiNaoki ShibataMasayoshi Koike
    • H01L33/00H01L33/32H01L33/38H01L33/40
    • H01L33/32H01L33/0025H01L33/007H01L33/325H01L33/38H01L33/382H01L33/385H01L33/40
    • A light-emitting semiconductor device (10) consecutively includes a sapphire substrate (1), an AlN buffer layer (2), a silicon (Si) doped GaN n+-layer (3) of high carrier (n-type) concentration, a Si-doped (Alx3Ga1-x3)y3In1-y3N n+-layer (4) of high carrier (n-type) concentration, a zinc (Zn) and Si-doped (Alx2Ga1-x2)y2In1-y2N emission layer (5), and a Mg-doped (Alx1Ga1-x1)y1In1-y1N p-layer (6). The AlN layer (2) has a 500 Å thickness. The GaN n+-layer (3) has about a 2.0 μm thickness and a 2×1018/cm3 electron concentration. The n+-layer (4) has about a 2.0 μm thickness and a 2×1018/cm3 electron concentration. The emission layer (5) has about a 0.5 μm thickness. The p-layer 6 has about a 1.0 μm thickness and a 2×1017/cm3 hole concentration. Nickel electrodes (7, 8) are connected to the p-layer (6) and n+-layer (4), respectively. A groove (9) electrically insulates the electrodes (7, 8). The composition ratio of Al, Ga, and In in each of the layers (4, 5, 6) is selected to meet the lattice constant of GaN in the n+-layer (3). The LED (10) is designed to improve luminous intensity and to obtain purer blue color.
    • 发光半导体器件(10)连续地包括蓝宝石衬底(1),AlN缓冲层(2),高载体的硅(Si)掺杂GaN n + +层(3) (n型)浓度,Si掺杂(Al x3 Ga 1-x 3)y 3在1-y 3中, 具有高载流子(n型)浓度的氮(Zn)和Si掺杂(Al 2 x 2 Ga 2) 1-x2 Y2在1-y2 N发射层(5)中,以及Mg掺杂(Al x1 Ga) 在1-y1 N p层(6)中。 AlN层(2)的厚度为500埃。 GaN n + +(3)具有约2.0μm厚度和2×10 18 / cm 3电子浓度。 n + +层(4)具有约2.0μm厚度和2×10 18 / cm 3电子浓度。 发射层(5)的厚度约为0.5μm。 p层6具有约1.0μm厚度和2×10 17 / cm 3孔浓度。 镍电极(7,8)分别连接到p层(6)和n + +层(4)。 一个凹槽(9)使电极(7,8)电绝缘。 选择各层(4,5,6)中的Al,Ga和In的组成比以满足n +层(3)中的GaN的晶格常数。 LED(10)被设计为提高发光强度并获得更纯的蓝色。
    • 77. 发明授权
    • Group III nitride compound semiconductor laser
    • III族氮化物化合物半导体激光器
    • US06680957B1
    • 2004-01-20
    • US09515493
    • 2000-02-29
    • Masayoshi KoikeShiro YamasakiYuta TezenSeiji NagaiAkira KojimaToshio Hiramatsu
    • Masayoshi KoikeShiro YamasakiYuta TezenSeiji NagaiAkira KojimaToshio Hiramatsu
    • H01S500
    • B82Y20/00H01S5/22H01S5/34333
    • A semiconductor laser 101 comprises a sapphire substrate 1, an AlN buffer layer 2, Si-doped GaN n-layer 3, Si-doped Al0.1Ga0.9N n-cladding layer 4, Si-doped GaN n-guide layer 5, an active layer 6 having multiple quantum well (MQW) structure in which about 35 Å in thickness of GaN barrier layer 62 and about 35 Å in thickness of Ga0.95In0.05N well layer 61 are laminated alternately, Mg-doped GaN p-guide layer 7, Mg-doped Al0.1Ga0.9N p-cladding layer 8, and Mg-doped GaN p-contact layer 9 are formed successively thereon. A ridged hole injection part B which contacts to a ridged resonator part A is formed to have the same width as the width w of an Ni electrode 10. Holes transmitted from the Ni electrode 10 are injected to the active layer 6 with high current density, and electric current threshold for laser oscillation can be decreased. Electric current threshold can be improved more effectively by forming also the p-guide layer 7 to have the same width as the width w of the Ni electrode 10.
    • 半导体激光器101包括蓝宝石衬底1,AlN缓冲层2,掺杂Si的GaN n层3,掺杂Si的Al 0.1 Ga 0.9 N n包层4,掺杂Si的GaN n引导层5, 具有多个量子阱(MQW)结构的有源层6,其中厚度约为35的GaN阻挡层62和约35厚度的Ga0.95In0.05N阱层61交替层叠,掺杂Mg的GaN p引导层 如图7所示,依次形成Mg掺杂的Al 0.1 Ga 0.9 N p包覆层8和Mg掺杂的GaN p接触层9。 与脊状谐振器部件A接触的脊状空穴注入部分B形成为具有与Ni电极10的宽度w相同的宽度。从Ni电极10传输的孔以高电流密度注入到有源层6中, 可以降低激光振荡的电流阈值。 也可以通过将p导向层7形成为具有与Ni电极10的宽度w相同的宽度来更有效地提高电流阈值。
    • 80. 发明授权
    • Light emitting semiconductor device using group III nitride compound and
method of producing the same
    • 使用III族氮化物化合物的发光半导体器件及其制造方法
    • US5700713A
    • 1997-12-23
    • US406415
    • 1995-03-20
    • Shiro YamazakiNaoki ShibataMasayoshi Koike
    • Shiro YamazakiNaoki ShibataMasayoshi Koike
    • H01L33/12H01L33/14H01L33/32H01L33/40H01L33/44H01L21/20
    • H01L33/32H01L33/325Y10S148/099Y10S438/93
    • A light-emitting semiconductor device a sapphire substrate (1), an AlN buffer layer (2), a silicon (Si) doped GaN n.sup.+ -layer (3) of high carrier (n-type) concentration, a Si-doped (Al.sub.x2 Ga.sub.1-x2).sub.y2 In.sub.1-y2 N n.sup.+ -layer (4) of high carrier (n-type) concentration, a zinc (Zn) and Mg doped ((Al.sub.x1 Ga.sub.1-x1).sub.y2 In.sub.1-y2 N n.sup.+ -layer (5), and a Mg doped (Al.sub.x2 Ga.sub.1-x2).sub.y2 In.sub.1-y2 N n.sup.+ -layer (6). The AlN layer (2) has a 500 .ANG. thickness. The GaN n.sup.+ -layer (3) has about a 2.0 .mu.m thickness and a 2.times.10.sup.18 /cm.sup.3 electron concentration. The n.sup.+ -layer (4) has about a 2.0 .mu.m thickness and a 2.times.10.sup.18 /cm.sup.3 electron concentration. A double i-layer structure includes the emission layer (5) and the i-layer (6). The emission layer (5) has about a 0.5 .mu.m thickness, and the i-layer (6) has about a 0.5 .mu.m thickness. Parts of the emission layer (5) and the i-layer (6) are p-type regions (50, 60). Both of the p-type regions exhibit p-type conduction with a 2.times.10.sup.17 /cm.sup.3 hole concentration. The emission layer (5) and the i-layer (6), except for the p-type region, exhibit semi-insulative characteristics.
    • 发光半导体器件蓝宝石衬底(1),AlN缓冲层(2),掺杂高(n型)的硅(Si)掺杂的GaN n +层(3),掺杂Si(Alx2Ga1 -x2)n + +(4),Zn(Zn)和Mg掺杂的((Alx1Ga1-x1)y2In1-y2Nn +层(5),Mg掺杂 (Alx2Ga1-x2)y2In1-y2N n +层(6),AlN层(2)的厚度为500,GaN n +层(3)的厚度约为2.0μm,电子浓度为2×10 18 / cm 3。 n +层(4)的厚度约为2.0μm,电子浓度为2×10 18 / cm 2,i层结构包括发光层(5)和i层(6),发射层(5) 具有约0.5μm的厚度,i层(6)的厚度为0.5μm左右,发光层(5)和i层(6)的一部分为p型区域(50,60) 两个p型区域都具有2x1017 / cm3空穴浓度的p型导电,发射层(5)和i层(6),e 对于p型区域,表示半绝缘特性。