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    • 5. 发明公开
    • PHOTO-DETECTOR DEVICE FOR ELECTRO-OPTICAL SENSORS WITH VARIABLE LIGHT DYNAMICS
    • PHOTODETEKTORFÜRELEKTROOPTISCHE SENSOREN MIT VARIABLER LICHTDYNAMIK
    • EP2761657A1
    • 2014-08-06
    • EP12780805.3
    • 2012-09-27
    • Eye-Tech S.r.l.
    • VATTERONI, Monica
    • H01L27/146H04N5/355
    • H04N5/355H04N5/3559H04N5/378
    • Photo-detector device for electro-optical sensors, comprising at least a detection and conversion circuit, or pixel (20), having at least a photo-sensitive reception mean (26) and a reset control terminal (11), which is able to drive an element to control the charge dissipation (23) of the photo-sensitive reception mean (26). The pixel (20) is able to convert the current generated by the photo-sensitive reception mean (26) into a voltage signal on a read-out terminal (28). The photo-detector device also comprises a circuit for controlling the reset voltage (40), able to generate a suitable input signal to the reset control terminal (11) by connecting it alternatively to a reset terminal (42) or to an external reference terminal (47), the input signal to said external reference terminal (47) is the type that can be programmed from outside. Furthermore, the circuit for controlling the reset voltage (40) can be shared between a subset of detection and control circuits (20).
    • 至少包括检测和转换电路或像素(20)的电光传感器的光检测器装置,至少具有光敏接收装置(26)和复位控制端(11),其能够 驱动元件来控制光敏接收装置(26)的电荷耗散(23)。 像素(20)能够将由感光接收装置(26)产生的电流转换成读出端子(28)上的电压信号。 光检测器装置还包括用于控制复位电压(40)的电路,其能够通过将其替代地连接到复位端子(42)或外部参考端子而将复位控制端子(11)产生合适的输入信号 (47),所述外部参考端子(47)的输入信号是可以从外部编程的类型。 此外,用于控制复位电压(40)的电路可以在检测和控制电路(20)的子集之间共享。