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    • 7. 发明授权
    • Imaging device and electronic device
    • US11563050B2
    • 2023-01-24
    • US16080575
    • 2017-02-24
    • SONY CORPORATION
    • Tomohiko AsatsumaMinoru Ishida
    • H01L27/146
    • Provided are a first photoelectric conversion unit, a second photoelectric conversion unit having a smaller electric charge amount to be converted per unit time than the first photoelectric conversion unit, a charge accumulation unit that accumulates an electric charge generated by the second photoelectric conversion unit, a charge voltage conversion unit, a first transfer gate unit that transfers an electric charge from the first photoelectric conversion unit to the charge voltage conversion unit, a second transfer gate unit that couples potentials of the charge voltage conversion unit and the charge accumulation unit, a third transfer gate unit that transfers an electric charge from the second photoelectric conversion unit to the charge accumulation unit, an overflow path formed under a gate electrode of the third transfer gate unit and transfers an electric charge overflowing from the second photoelectric conversion unit to the charge accumulation unit, and a light reducing unit that reduces light to enter the second photoelectric conversion unit.