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    • 4. 发明授权
    • Ultra-violet light sensing device and manufacturing method thereof
    • 紫外光检测装置及其制造方法
    • US08912619B2
    • 2014-12-16
    • US13907437
    • 2013-05-31
    • Han-Chi LiuHuan-Kun PanEiichi Okamoto
    • Han-Chi LiuHuan-Kun PanEiichi Okamoto
    • H01L33/00H01L21/00H01L31/0248
    • H01L31/0248H01L31/03529H01L31/103Y02E10/50
    • The present invention provides an ultra-violet light sensing device. The ultra-violet light sensing device includes a first conductivity type substrate, a second conductivity type region, and a first conductivity type high density region. The first conductivity type substrate includes a light incident surface. The second conductivity type region is disposed in the first conductivity type substrate and adjacent to the light incident surface. The first conductivity type high density region is disposed under the second conductivity type region. The present invention also provides another ultra-violet light sensing device, which further includes a first conductivity type high density shallow region which is sandwiched between the light incident surface and the second conductivity type region. Manufacturing methods for these ultra-violet light sensing devices are also disclosed in the present invention.
    • 本发明提供一种紫外线感测装置。 紫外线感测装置包括第一导电型基板,第二导电型区域和第一导电型高密度区域。 第一导电型基板包括光入射面。 第二导电类型区域设置在第一导电类型基板中并与光入射表面相邻。 第一导电型高密度区域设置在第二导电类型区域的下方。 本发明还提供另一种紫外线感测装置,其还包括夹在光入射表面和第二导电类型区域之间的第一导电类型的高密度浅区域。 本发明还公开了这些紫外线感测装置的制造方法。
    • 8. 发明申请
    • Distance-measuring device, 3D image-sensing device, and optical touch system
    • 距离测量装置,3D图像感测装置和光学触摸系统
    • US20110134078A1
    • 2011-06-09
    • US12817172
    • 2010-06-16
    • En-Feng HsuHan-Chi LiuChih-Hung LuMing-Tsan Kao
    • En-Feng HsuHan-Chi LiuChih-Hung LuMing-Tsan Kao
    • G06F3/042G01C3/08H04N13/02
    • G01C3/08G01S7/491G01S7/497G01S17/08G06F3/0428H04N13/254
    • A distance-measuring device includes a light-emitting/sensing controlling circuit, a light-emitting component, a light-sensing group, a background-calculating circuit, a frequency-adjusting circuit, and a distance-calculating circuit. The light-emitting component emits a detecting light to a measured object. The light-emitting/sensing controlling circuit controls the light-sensing group receiving and accumulating the energy of a reflective light generated by the measured object reflecting the detecting light, so that the distance-calculating circuit can calculate a measured distance between the measured object and the distance-measuring device according the accumulated energy of the light-sensing group. In addition, the distance-measuring device calculates the energy accumulated by the light-sensing group sensing the background light per unit time, by means of the background-calculating circuit. In this way, the effect of the background light is reduced so that the distance-measuring device can more correctly calculate the measured distance.
    • 测距装置包括发光/感测控制电路,发光组件,感光组,背景计算电路,频率调节电路和距离计算电路。 发光部件向测量对象发射检测光。 发光/感测控制电路控制感光组接收并累积反射检测光的测量对象产生的反射光的能量,使得距离计算电路可以计算测量对象和 所述距离测量装置根据所述感光组的累积能量。 此外,距离测量装置通过背景计算电路来计算感测每单位时间的背景光的感光组所累积的能量。 以这种方式,减轻了背景光的影响,使得距离测量装置可以更准确地计算测量的距离。