Light detection device

The utility model provides an optical detection device, and the device comprises an optical detection chip which comprises an optical detector and is suitable for carrying out the photoelectric conversion and outputting a corresponding electric signal; the reading chip comprises a reading circuit and is suitable for reading the electric signal; the working voltage of the optical detector is higher than the avalanche breakdown voltage of the optical detector, and the maximum voltage corresponding to the electric signal is lower than the difference value between the working voltage and the avalanche breakdown voltage. By adopting the technical scheme, the limitation on the working voltage of the optical detector can be reduced, and the performance of the optical detector and the optical detection device can be improved. 本公开提供一种光探测装置，其中，所述光探测装置，包括：光探测芯片，包括光探测器，适于进行光电转换，并输出相应的电信号；读出芯片，包括读出电路，适于读出所述电信号；所述光探测器的工作电压高于所述光探测器的雪崩击穿电压，其中，所述电信号对应的最大电压，低于所述工作电压与所述雪崩击穿电压的差值。采用上述技术方案，可以降低光探测器的工作电压受到的限制，提升光探测器以及光探测装置的性能。