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    • 2. 发明专利
    • Semiconductor light emitting element, its manufacturing method, and optical module
    • 半导体发光元件及其制造方法和光学模块
    • JP2006229066A
    • 2006-08-31
    • JP2005042771
    • 2005-02-18
    • Sony Corpソニー株式会社
    • SATO YASUOOTOMO JUGOYOKOZEKI MIKIHIROHINO TOMOKIMINARUI HIRONOBU
    • H01S5/343B82Y20/00
    • B82Y20/00H01S5/22H01S5/3235H01S5/343
    • PROBLEM TO BE SOLVED: To provide a semiconductor light emitting element capable of contriving the elongation of life, its manufacturing method, and an optical module employing the element.
      SOLUTION: The optical module is provided with an active layer 14 laminating a well layer 14A consisting of a Ga
      1-x In
      x N
      y As
      1-y-z Sb
      z mixed crystal (0≤ v As
      1-v mixed crystal (0≤v 19 cm
      -3 , and that of aluminum is specified so as to be less than 1×10
      18 cm
      -3 . According to this method, the increase of operation current is suppressed and the elongation of life can be contrived. The concentration of hydrogen can be reduced by reducing the flow rate of organic nitrogen compound employed as the material of nitrogen upon glowing the active layer 14.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种能够延长寿命的半导体发光元件,其制造方法和使用该元件的光学模块。 解决方案:光学模块设置有层叠由Ga 1 SB x Y y S x x S x S x S y i x i i所示的阱层14A的有源层14。 (0≤ 1)和由GaN(1≤v)混合晶体(0≤v<1)组成的阻挡壁层14B。 活性层14中的氢的杂质浓度规定为小于3×10 cm -3,而铝的含量为 小于1×10 18 cm -3 。 根据该方法,可以抑制运转电流的增加,延长使用寿命。 可以通过降低在发光活性层14时用作氮材料的有机氮化合物的流速来降低氢的浓度。版权所有:(C)2006,JPO&NCIPI
    • 8. 发明专利
    • Thin film transistor, display device, and electronic equipment
    • 薄膜晶体管,显示器件和电子设备
    • JP2011138934A
    • 2011-07-14
    • JP2009298103
    • 2009-12-28
    • Sony Corpソニー株式会社
    • TANIGUCHI OSAMUYOKOZEKI MIKIHIROMIYASHITA HIROKOSUZUKI JUICHI
    • H01L29/786C01G15/00G02F1/1368H01L21/336
    • H01L29/7869H01L29/78693
    • PROBLEM TO BE SOLVED: To provide a thin film transistor improving mobility of carriers, and a display device and electronic equipment using such a thin film transistor. SOLUTION: An oxide semiconductor layer 15 is constituted of a multilayer film including: a carrier transit layer 151 constituting a channel; and a carrier supply layer 152. A conduction band lower end level Ec2 in the carrier supply layer 152 is set to become energetically higher than a conduction band lower end level Ec1 in the carrier transit layer 151 (Ec2>Ec1). Carriers (electrons) are supplied from the carrier supply layer 152 to the carrier transit layer 151, allowing the electrons to be accumulated in an area near an interface with the carrier supply layer 152 inside the carrier transit layer 151. Thus, transit scattering with respect to the electrons is inhibited as compared with conventional techniques. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供提高载流子迁移率的薄膜晶体管,以及使用这种薄膜晶体管的显示装置和电子设备。 解决方案:氧化物半导体层15由多层膜构成,包括:构成沟道的载流子迁移层151; 和载流子供给层152.载流子供给层152中的导带下端电平Ec2被设定为高于载流子传输层151(Ec2> Ec1)中的导带下端电平Ec1。 载体(电子)从载体供给层152提供到载流子迁移层151,允许电子积聚在载流子输送层151内部与载体供给层152的界面附近的区域中。因此,相对于 与传统技术相比,电子被抑制。 版权所有(C)2011,JPO&INPIT
    • 9. 发明专利
    • Thin film transistor, display device and electronic equipment
    • 薄膜晶体管,显示器件和电子设备
    • JP2012169344A
    • 2012-09-06
    • JP2011027293
    • 2011-02-10
    • Sony Corpソニー株式会社
    • YOKOZEKI MIKIHIRO
    • H01L29/786H01L21/336
    • H01L29/7869H01L29/78696
    • PROBLEM TO BE SOLVED: To provide a thin film transistor capable of reducing variation in device characteristics with using a polycrystalline oxide semiconductor as a channel and maintaining mobility of a carrier.SOLUTION: A thin film transistor 1 is a bottom gate type TFT and comprises a gate electrode 12, a gate insulation film 13, a channel layer 14 consisting primarily of a polycrystalline oxide semiconductor, and source-drain electrodes 15A, 15B formed on a substrate 11 in this order. The channel layer 14 is formed such that the thickness becomes smaller than a diameter of an average crystal grain of the polycrystalline oxide semiconductor included in the channel layer. Accordingly, a transit direction of a carrier is controlled and device characteristics are stabilized.
    • 要解决的问题:提供一种能够通过使用多晶氧化物半导体作为沟道并且保持载流子的迁移率来减小器件特性的变化的薄膜晶体管。 解决方案:薄膜晶体管1是底栅型TFT,包括栅电极12,栅极绝缘膜13,主要由多晶氧化物半导体组成的沟道层14和形成的源漏电极15A,15B 在基板11上。 沟道层14形成为使得该厚度变得小于包含在沟道层中的多晶氧化物半导体的平均晶粒的直径。 因此,可以控制载体的运送方向,使装置特性稳定。 版权所有(C)2012,JPO&INPIT
    • 10. 发明专利
    • Semiconductor laser
    • 半导体激光器
    • JP2006019617A
    • 2006-01-19
    • JP2004197848
    • 2004-07-05
    • Sony Corpソニー株式会社
    • YOKOZEKI MIKIHIROOTOMO JUGOHINO TOMOKIMINARUI HIRONOBU
    • H01S5/20
    • PROBLEM TO BE SOLVED: To provide a semiconductor laser which raises a temperature characteristic and reduces a threshold current with an excellent reliability.
      SOLUTION: An SAS structure is formed with a second guide layer 15, a current blocking layer 16, and a second clad layer 18. An active layer 14 is composed of a GaAs system group III-V compound semiconductor containing nitrogen (N) such as GaInNAs mix crystal or the like. A band discontinuous amount ΔEc of the active layer 14 becomes large, carriers can efficiently be confined, and the temperature characteristic is increased. Further, a refractive index is increased, light is confined in the active layer 14, and the increase of the threshold current is suppressed. The thickness t1 of a first guide layer 13, and the total thickness t2 of a second guide layer 15 and a second clad layer 18 are each 100 nm to 500 nm, for example, preferably. A diffraction lattice layer may be provided to form a DFB laser.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种以优异的可靠性提高温度特性并降低阈值电流的半导体激光器。 解决方案:SAS结构形成有第二引导层15,电流阻挡层16和第二覆盖层18.有源层14由含有氮(N)的GaAs系III-V族化合物半导体 )如GaInNAs混合晶体等。 有源层14的带不连续量ΔEc变大,载流子能够被有效地限制,并且温度特性增加。 此外,折射率增加,光被限制在有源层14中,并且阈值电流的增加被抑制。 第一引导层13的厚度t1以及第二引导层15和第二覆盖层18的总厚度t2例如优选为100nm〜500nm。 可以提供衍射晶格层以形成DFB激光器。 版权所有(C)2006,JPO&NCIPI