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    • 121. 发明授权
    • Automotive lamp
    • 汽车灯
    • US08118462B2
    • 2012-02-21
    • US12490058
    • 2009-06-23
    • Takashi InoueYuji Yasuda
    • Takashi InoueYuji Yasuda
    • B60Q1/00
    • F21V29/763F21S41/147F21S45/43F21V29/02F21V29/67F21Y2115/10
    • An automotive lamp includes an LED as a light source, a heatsink for radiating heat produced by the LED, the heatsink including a plurality of plate fins installed upright on base parts and a plurality of ventilation passages formed between the plate fins, a centrifugal fan for performing the forced air cooling of the plate fins by sending air through the ventilation passages of the heatsink, the centrifugal fan having air inlets in an axial direction for drawing air in, a left-side air outlet and a right-side air outlet for discharging air in left-right directions perpendicular to the axial direction, and a lamp housing for housing the LED, heatsink and centrifugal fan. The plate fins of the heatsink are formed such that the entrance of at least one of a plurality of ventilation passages faces the left-side air outlet and the right-side outlet of the centrifugal fan.
    • 汽车用灯具包括作为光源的LED,用于散发由LED产生的热量的散热器,散热器包括在基部上竖立设置的多个板状散热片和形成在板状散热片之间的多个通风通道;离心式风扇, 通过将空气通过散热器的通风通道进行散热片的强制风冷,所述离心风扇具有沿轴向的空气入口,用于吸入空气,左侧空气出口和用于排出的右侧出气口 垂直于轴向的左右方向的空气和用于容纳LED,散热器和离心风扇的灯壳体。 散热片的板状散热片形成为使多个通风路径中的至少一个的入口面向离心风扇的左侧出风口和右侧出风口。
    • 124. 发明授权
    • III-nitride semiconductor field effect transistor
    • III族氮化物半导体场效应晶体管
    • US07985984B2
    • 2011-07-26
    • US12528578
    • 2008-02-26
    • Tatsuo NakayamaYuji AndoHironobu MiyamotoYasuhiro OkamotoTakashi Inoue
    • Tatsuo NakayamaYuji AndoHironobu MiyamotoYasuhiro OkamotoTakashi Inoue
    • H01L29/778
    • H01L29/42316H01L29/2003H01L29/7781
    • Provided is a semiconductor device that can reduce the contact resistance, has a small current collapse, and can improve the pinch-off characteristic upon a high-frequency operation. A field effect transistor using a wurtzite (having (0001) as the main plane) type III-nitride semiconductor includes: a substrate (101); an undercoat layer (103) of a first III-nitride semiconductor; and a carrier travel layer (104) of a second III-nitride semiconductor. The undercoat layer (103) (101) and the carrier travel layer (104) is formed on the substrate in this order. The field effect transistor includes source/drain electrodes (105, 106) in ohmic contact, and a gate electrode (107) in Schottky contact directly or via another layer on the carrier travel layer (104). The undercoat layer (103) has an average lattice constant greater than that of the carrier travel layer (104) and a band gap greater than that of the carrier travel layer (104).
    • 提供了能够降低接触电阻,具有小的电流崩溃的半导体器件,并且可以在高频操作时提高夹断特性。 使用纤锌矿(具有(0001)作为主面)的III型氮化物半导体的场效应晶体管包括:衬底(101); 第一III族氮化物半导体的底涂层(103) 和第二III族氮化物半导体的载流子行进层(104)。 底涂层(103)(101)和载体移动层(104)依次形成在基板上。 场效应晶体管包括欧姆接触的源极/漏极(105,106)和直接或通过载流子行进层(104)上的另一层的肖特基接触的栅电极(107)。 底涂层(103)的平均晶格常数大于载体移动层(104)的平均晶格常数,并且带隙大于载流子行进层(104)的平均晶格常数。
    • 127. 发明申请
    • LASER LIGHT SOURCE
    • 激光源
    • US20110058579A1
    • 2011-03-10
    • US12991271
    • 2009-05-21
    • Yoshiyuki OhtakeHaruyasu ItoTaro AndoTakashi InoueNaoya MatsumotoNorihiro Fukuchi
    • Yoshiyuki OhtakeHaruyasu ItoTaro AndoTakashi InoueNaoya MatsumotoNorihiro Fukuchi
    • H01S3/139
    • H01S3/08045H01S3/0805H01S3/08059H01S3/08068H01S3/105H01S2301/203
    • A laser light source 1 is provided with an output mirror 11, a laser medium 12, a light beam diameter adjuster 13, an aperture 14, a reflection mirror 15, a drive unit 21, and a control unit 22, and outputs laser oscillation light 31 from the output mirror 11 to the outside. The laser resonator is configured so that the reflection mirror 15 and the output mirror 11 are disposed so as to be opposed to each other with the laser medium 12 placed therebetween. The reflection mirror 15 is configured such that it gives amplitude or phase variations to respective positions in the section of a light beam when the light is reflected, and the reflection mirror presents a amplitude or phase variation distribution in accordance with control from the outside, and determines the transverse mode of the laser oscillation light 31 based on the amplitude or phase variation distribution. Thus, a laser light source capable of easily controlling the transverse mode of the laser oscillation light can be realized.
    • 激光光源1设置有输出镜11,激光介质12,光束直径调节器13,孔14,反射镜15,驱动单元21和控制单元22,并且输出激光振荡光 31从输出镜11到外部。 激光谐振器被配置为使得反射镜15和输出反射镜11被布置成使激光介质12放置在它们之间彼此相对。 反射镜15被构造成使得当光被反射时,其在光束的部分中的相应位置产生振幅或相位变化,并且反射镜根据来自外部的控制呈现幅度或相位变化分布,以及 基于振幅或相位变化分布确定激光振荡光31的横向模式。 因此,可以实现能够容易地控制激光振荡光的横向模式的激光源。
    • 129. 发明授权
    • Semiconductor device
    • 半导体器件
    • US07859014B2
    • 2010-12-28
    • US11571290
    • 2005-06-24
    • Tatsuo NakayamaHironobu MiyamotoYuji AndoMasaaki KuzuharaYasuhiro OkamotoTakashi InoueKoji Hataya
    • Tatsuo NakayamaHironobu MiyamotoYuji AndoMasaaki KuzuharaYasuhiro OkamotoTakashi InoueKoji Hataya
    • H01L29/66
    • H01L29/7787H01L29/2003H01L29/4236H01L29/42376H01L29/78
    • The present invention provides a semiconductor device capable of suppressing current collapse, and also of preventing dielectric breakdown voltage and gain from lowering so as to perform high-voltage operation and realize an ideal high output. On a substrate (101), there are formed a buffer layer (102) made of a first GaN-based semiconductor, a carrier traveling layer (103) made of a second GaN-based semiconductor and a carrier supplying layer (104) made of a third GaN-based semiconductor. A recess structure (108) is made by eliminating a part of a first insulation film (107) and a part of the carrier supplying layer (104). Next, a gate insulation film (109) is deposited, and then a gate electrode (110) is formed so as to fill up the recess portion (108) and cover on over an area where the first insulation film (107) remains so that its portion on the drain electrode side is longer than that on the source electrode side. Such a recess structure is employed so as to provide the high-output semiconductor device capable of performing the high-voltage operation.
    • 本发明提供一种能够抑制电流塌陷以及防止电介质击穿电压和增益降低的半导体器件,从而进行高压操作并实现理想的高输出。 在基板(101)上形成有由第一GaN基半导体构成的缓冲层(102),由第二GaN基半导体构成的载流子移动层(103)和由 第三GaN基半导体。 通过消除第一绝缘膜(107)的一部分和载体供给层(104)的一部分来制造凹陷结构(108)。 接下来,沉积栅极绝缘膜(109),然后形成栅极电极(110),以填充凹部(108)并覆盖在第一绝缘膜(107)保留的区域上,使得 其漏电极侧的部分比源电极侧的部分长。 采用这样的凹部结构来提供能够执行高电压操作的高输出半导体器件。