IMAGING APPARATUS AND IMAGING SYSTEM

• Main Authors: ONUKI YUSUKE, KOBAYASHI MASAHIRO, SEKINE HIROSHI, KAWABATA KAZUNARI
• Format: Patent
• Language: English; Japanese
• Published: 18.02.2021
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; PICTORIAL COMMUNICATION, e.g. TELEVISION

To provide an imaging apparatus and an imaging system that expand the dynamic range of an image of an imaging apparatus that performs global electronic shutter.SOLUTION: An imaging apparatus includes unit cells 20 arranged across multiple rows and columns. Each of the unit cells 20 includes a photoelectric conversion unit 1, signal holding units 3 and 13, and an amplification unit 7 including an input node 5, and further includes first transfer units 2 and 12 provided in an electrical path between the photoelectric conversion unit 1 and the signal holding units 3 and 13, and second transfer paths 4 and 14 provided in an electrical path between the signal holding units 3 and 13 and the amplification unit 7, and at least some of the plurality of sets have a capacity changing unit 21 that changes the capacity value of the input node.SELECTED DRAWING: Figure 6 【課題】グローバル電子シャッタを行う撮像装置の画像でダイナミックレンジを拡大する、撮像装置及び撮像システムを提供する。【解決手段】撮像装置は、複数行及び複数列に渡って配されたユニットセル２０を有する。各ユニットセル２０は、光電変換部１と、信号保持部３、１３と、入力ノード５を備える増幅部７を有する。さらに、光電変換部１と信号保持部３、１３との電気的経路に設けられた第１転送部２、１２と信号保持部３、１３と増幅部７の間との電気的経路に設けれた第２転送路４、１４を有し、複数の組の少なくとも一部の組が、入力ノードの容量値を変更する容量変更部２１を有する。【選択図】図６