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    • 6. 发明授权
    • Laser diode element assembly and method of driving the same
    • 激光二极管元件组装及其驱动方法
    • US08483256B2
    • 2013-07-09
    • US13417998
    • 2012-03-12
    • Tomoyuki OkiMasaru KuramotoRintaro KodaHideki WatanabeHiroyuki Yokoyama
    • Tomoyuki OkiMasaru KuramotoRintaro KodaHideki WatanabeHiroyuki Yokoyama
    • H01S3/08
    • H01S5/0602B82Y20/00H01S5/0425H01S5/0625H01S5/1064H01S5/3063H01S5/34333H01S2301/166
    • A laser diode element assembly includes: a laser diode element; and a light reflector, in which the laser diode element includes (a) a laminate structure body configured by laminating, in order, a first compound semiconductor layer of a first conductivity type made of a GaN-based compound semiconductor, a third compound semiconductor layer made of a GaN-based compound semiconductor and including a light emission region, and a second compound semiconductor layer of a second conductivity type made of a GaN-based compound semiconductor, the second conductivity type being different from the first conductivity type, (b) a second electrode formed on the second compound semiconductor layer, and (c) a first electrode electrically connected to the first compound semiconductor layer, the laminate structure body includes a ridge stripe structure, and a minimum width Wmin and a maximum width Wmax of the ridge stripe structure satisfy 1
    • 激光二极管元件组件包括:激光二极管元件; 和光反射器,其中激光二极管元件包括(a)层叠结构体,其按顺序层叠由GaN基化合物半导体制成的第一导电类型的第一化合物半导体层,第三化合物半导体层 由GaN系化合物半导体构成的发光区域和由GaN系化合物半导体构成的第二导电型的第二化合物半导体层,第二导电型与第一导电型不同,(b) 形成在所述第二化合物半导体层上的第二电极,和(c)与所述第一化合物半导体层电连接的第一电极,所述层叠结构体包括脊条结构,并且所述脊的最小宽度Wmin和最大宽度Wmax 条纹结构满足1
    • 7. 发明申请
    • TELEVISION AND ELECTRONIC DEVICE
    • 电视和电子设备
    • US20130058513A1
    • 2013-03-07
    • US13489648
    • 2012-06-06
    • Tomofumi MiyamotoHideki Watanabe
    • Tomofumi MiyamotoHideki Watanabe
    • H04R1/02
    • H04R1/02H04R1/025
    • According to at least one embodiment, a television includes a housing further including a pair of corner portions and an enclosed space on an inner side thereof, a pair of speaker boxes housed in the enclosed space in vicinities of the corner portions, a pair of speakers housed in the speaker boxes respectively in a direction which crosses a thickness direction of the housing, and each of the speaker boxes further includes a first duct to guide sounds from a first side of the respective speaker to the respective first opening portion and a second duct to guide sounds from a second side of the respective speaker towards the enclosed space.
    • 根据至少一个实施例,电视机包括还包括一对角部和在其内侧上的封闭空间的壳体,一对容纳在角部附近的封闭空间中的扬声器箱,一对扬声器 分别沿着与壳体的厚度方向交叉的方向容纳在扬声器箱中,并且每个扬声器盒还包括第一导管,用于将声音从相应扬声器的第一侧引导到相应的第一开口部分,第二导管 以将声音从相应扬声器的第二侧引向封闭空间。
    • 10. 发明申请
    • SELF-OSCILLATING SEMICONDUCTOR LASER DEVICE AND DRIVING METHOD THEREOF
    • 自激振荡半导体激光器件及其驱动方法
    • US20110216797A1
    • 2011-09-08
    • US13035585
    • 2011-02-25
    • Hideki WatanabeMasaru KuramotoTakao MiyajimaHiroyuki Yokoyama
    • Hideki WatanabeMasaru KuramotoTakao MiyajimaHiroyuki Yokoyama
    • H01S5/343H01S5/30
    • H01S5/3407H01S5/0601H01S5/30H01S5/343
    • There is provided a driving method of a self-oscillating semiconductor laser device including a first compound semiconductor layer having a first conductive type and composed of a GaN base compound semiconductor, a third compound semiconductor layer and a second compound semiconductor layer configuring an emission region and a saturable absorption region, are successively laminated, a second electrode formed on the second compound semiconductor layer, and a first electrode electrically connected to the first compound semiconductor layer. The second electrode is separated into a first portion to create a forward bias state by passing current to the first electrode via the emission region and a second portion to apply an electric field to the saturable absorption region by a separation groove. The current greater than a current value where kink is occurred in optical output-current characteristics is to be passed to the first portion of the second electrode.
    • 提供了一种自激振荡半导体激光器件的驱动方法,该器件包括具有第一导电类型并由GaN基化合物半导体构成的第一化合物半导体层,构成发光区域的第三化合物半导体层和第二化合物半导体层, 依次层叠可饱和吸收区域,形成在第二化合物半导体层上的第二电极和与第一化合物半导体层电连接的第一电极。 第二电极被分离为第一部分,以通过经由发射区域将电流传递到第一电极以产生正向偏置状态,以及第二部分,以通过分离槽将电场施加到可饱和吸收区域。 大于在光输出电流特性中发生扭结的当前值的电流将被传递到第二电极的第一部分。