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    • 5. 发明授权
    • Light receiving device
    • US08569804B2
    • 2013-10-29
    • US13435496
    • 2012-03-30
    • Tomoyuki Kamiyama
    • Tomoyuki Kamiyama
    • H01L31/112
    • H01L31/1129G01S7/4863G01S17/89H01L27/14609H04N5/37452
    • A light receiving device comprises a photoelectric conversion element formed on a first-conductivity-type semiconductor substrate, and further comprises a plurality of photoelectron distributors formed on the first-conductivity-type semiconductor substrate. The photoelectron distributor has a first transfer unit for transferring photoelectrons generated in the photoelectric conversion element, a photoelectron hold unit for temporarily holding the photoelectrons generated in the photoelectric conversion element, a second transfer unit for transferring the photoelectrons held in the photoelectron hold unit, and a floating diffusion layer for storing the transferred photoelectrons and converting the photoelectrons to a voltage. A first-conductivity-type impurity region, which has a first-level, first-conductivity-type impurity concentration higher than the first-conductivity-type impurity concentration of the first-conductivity-type semiconductor substrate, is formed in the vicinity of a surface of the first-conductivity-type semiconductor substrate in the photoelectron hold unit.
    • 7. 发明申请
    • DISTANCE MEASURING SYSTEM AND DISTANCE MEASURING METHOD
    • 距离测量系统和距离测量方法
    • US20110194099A1
    • 2011-08-11
    • US13123789
    • 2009-10-02
    • Tomoyuki Kamiyama
    • Tomoyuki Kamiyama
    • G01C3/08
    • G01S17/10G01C3/08G01S7/4876G01S17/89
    • A distance measuring system and a distance measuring method which use a time-of-flight (TOF) method. The distance measuring system obtains a reference light quantity of reflected light which is a cumulative light quantity of the reflected light during a reference period, obtains a measured light quantity of the reflected light which is a cumulative light quantity of the reflected light during a measurement period, and calculates, on the basis of a ratio of the measured light quantity of the reflected light to the reference light quantity of the reflected light and a ratio of the reflected light incident period to the reference period, a reflected light incident period that is a period which is included in the measurement period and during which the reflected light is incident upon photoelectric conversion elements of a light-receiving device. Then, the distance measuring system calculates the distance between the distance measuring system and an object on the basis of the reflected light incident period.
    • 使用飞行时间(TOF)方法的距离测量系统和距离测量方法。 距离测量系统获得在参考周期期间反射光的累积光量的反射光的参考光量,获得在测量期间内作为反射光的累积光量的反射光的测量光量 并且基于所测量的反射光量与反射光的参考光量与反射光入射周期与参考周期的比率的比率,计算出反射光入射时间为 该周期包括在测量周期中,并且反射光入射到光接收装置的光电转换元件上。 然后,距离测量系统基于反射光入射期间计算距离测量系统与物体之间的距离。
    • 9. 发明授权
    • Solid-state image sensing device with a change-over switch
    • 具有切换开关的固态图像感测装置
    • US09018573B2
    • 2015-04-28
    • US13435406
    • 2012-03-30
    • Tomoyuki KamiyamaKeisuke Korekado
    • Tomoyuki KamiyamaKeisuke Korekado
    • H03K17/78H01L27/00H01L27/148H04N5/353H04N5/3745
    • H01L27/14812H01L27/14831H04N5/353H04N5/37452
    • A solid-state image sensing device comprises a unit pixel containing a photoelectric conversion element for detecting a light to generate photoelectrons and at least one electrode for forming an MOS diode structure, a first contact point connected to a first voltage supply for supplying a first voltage to the electrode, a second contact point connected to a second voltage supply for supplying a second voltage higher than the first voltage to the electrode, a first capacitor disposed between the first and second contact points, a change-over switch connected to one of the first and second contact points to selectively switch a voltage applied to the electrode to the first voltage or the second voltage, and pixel drive circuits for driving the change-over switch, thereby alternately applying the first voltage and the second voltage to the electrode to generate, hold, transfer, reset, or discharge the photoelectrons.
    • 固体摄像装置包括:单位像素,其包含用于检测产生光电子的光的光电转换元件和至少一个用于形成MOS二极管结构的电极;连接到第一电压源的第一接触点,用于提供第一电压 连接到第二电压源的第二接触点,用于向电极提供高于第一电压的第二电压;布置在第一和第二接触点之间的第一电容器,连接到电极 第一和第二接触点以选择性地将施加到电极的电压切换到第一电压或第二电压,以及用于驱动转换开关的像素驱动电路,由此交替地将第一电压和第二电压施加到电极以产生 ,保持,传输,重置或放电光电子。