IMAGING DEVICE, ELECTRONIC DEVICE, AND IMAGING METHOD

To provide an imaging device capable of reducing erroneous detection of a luminance change.SOLUTION: An imaging device according to an embodiment of the present disclosure includes a photoelectric conversion element that photoelectrically converts incident light to generate a photocurrent, a current-voltage conversion circuit that converts the photocurrent into a voltage signal, a threshold monitoring circuit that monitors the photocurrent, a plurality of capacitive elements including a variable capacitive element whose capacitance value changes on the basis of the monitoring result of the threshold monitoring circuit, and an event detection circuit that detects a change in luminance of incident light on the basis of a result of comparison between an amplified voltage obtained by amplifying a voltage signal on the basis of a capacitance ratio of the plurality of capacitive elements and a threshold voltage.SELECTED DRAWING: Figure 7 【課題】輝度変化の誤検出を低減することが可能な撮像装置を提供する。【解決手段】本開示の一実施形態に係る撮像装置は、入射光を光電変換した光電流を生成する光電変換素子と、光電流を電圧信号に変換する電流電圧変換回路と、光電流をモニタリングするしきい値モニタリング回路と、しきい値モニタリング回路のモニタリング結果に基づいて容量値が変化する可変容量素子を含む複数の容量素子と、複数の容量素子の容量比に基づいて電圧信号を増幅した増幅電圧と、しきい値電圧との比較結果に基づいて、入射光の輝度変化を検出するイベント検出回路と、を備える。【選択図】図７