IMAGE SENSOR AND ELECTRONIC DEVICE

摘要

An image sensor includes a first semiconductor chip, a second semiconductor chip and connecting portions configured to connect the first semiconductor chip and the second semiconductor chip. The first semiconductor chip includes a photoelectric conversion portion, a capacitor, a reset transistor, and an amplification transistor. The second semiconductor chip includes a transfer transistor, and a row selecting transistor. The connecting portions connect the photoelectric conversion portion to the transfer transistor, the transfer transistor to the capacitor, and the amplification transistor to the row selecting transistor respectively.

主权项

1. An image sensor comprising:
a first semiconductor chip; a second semiconductor chip; and a plurality of connecting portions configured to connect the first semiconductor chip and the second semiconductor chip, wherein the first semiconductor chip includes a photoelectric conversion portion, a capacitor configured to hold charges generated by the photoelectric conversion portion, a reset transistor configured to control reset of the charges in the photoelectric conversion portion and the capacitor, and an amplification transistor configured to amplify signal charges in the capacitor and convert the signal charges into a signal voltage, the second semiconductor chip includes a transfer transistor configured to control transfer of the charges generated by the photoelectric conversion portion to the capacitor, and a row selecting transistor configured to control connection of an output of the amplification transistor to a column output line, and the connecting portions connect the photoelectric conversion portion to the transfer transistor, the transfer transistor to the capacitor, and the amplification transistor to the row selecting transistor respectively.