公开(公告)号：US09549135B2

公开(公告)日：2017-01-17

申请号：US14858481

申请日：2015-09-18

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Takayasu Kito ,  Hiroyuki Amikawa ,  Masahiro Higuchi ,  Kenichi Origasa ,  Hiroshi Fujinaka

IPC: H04N5/374 ,  H04N5/3745 ,  H04N5/369 ,  H04N5/357 ,  H04N5/378

CPC classification number: H04N5/374 ,  H04N5/3577 ,  H04N5/3698 ,  H04N5/3745 ,  H04N5/378

Abstract: A solid-state imaging device includes: a plurality of unit cells each including at least one light receiving unit and an amplifying transistor which outputs an amplified signal corresponding to an amount of the signal charge photoelectrically converted by the light receiving unit; a plurality of vertical signal lines each for receiving an output signal from the amplifying transistor; a pixel power supply line for supplying a power supply voltage to the amplifying transistor; a plurality of constant current source transistors each connected to a different one of the vertical signal lines; and a bias circuit which controls an amount of current to be supplied to each of the constant current source transistors, based on a variation in the power supply voltage.

Abstract translation: 固态成像装置包括：多个单位电池，每个单元电池包括至少一个光接收单元和放大晶体管，其输出对应于由光接收单元光电转换的信号电荷的量的放大信号; 多个垂直信号线，各自用于接收来自放大晶体管的输出信号; 用于向放大晶体管提供电源电压的像素电源线; 多个恒流源晶体管，每个连接到所述垂直信号线中的不同的一个; 以及偏置电路，其基于电源电压的变化来控制要提供给每个恒流源晶体管的电流量。