US 2016/0080616 A1 · SOLID-STATE IMAGING DEVICE, DRIVE METHOD THEREOF AND CAMERA SYSTEM

Abstract

A solid-state imaging device includes: pixel signal reading lines; a pixel unit in which pixels including photoelectric conversion elements are arranged; and a pixel signal reading unit performing reading of pixel signals from the pixel unit through the pixel signal reading lines, wherein the pixel signal reading unit includes current source circuits each of which includes a load element as a current source connected to the pixel signal reading line forming a source follower, and the current source circuit includes a circuit generating electric current according to a slew rate of the pixel signal reading line and replicating electric current corresponding to the above electric current to flow in the current source.

Claims21

Dependent claims

A solid-state imaging device comprising:

a drain of a replica circuit transistor directly electrically connected to a drain of a first transistor;
an electrode of a capacitor directly electrically connected to a source of the replica circuit transistor, a source of a load transistor directly electrically connected to a source of the first transistor;
a vertical signal line directly electrically connected to a drain of the load transistor;
a gate of the first transistor directly electrically connected to said drain of the first transistor;
a gate of the load transistor directly electrically connected to said gate of the first transistor.

2 more elements

Dependencies are inferred from the claim text.

Facts

Application

14/690,952Filed 20 Apr 2015

Priority

JP 2010-10434528 Apr 2010

Published

17 Mar 2016

Term ends

Not estimatedThe source records don’t support an estimate.

Classification5 codes

H04N 23/54
Constructional details: mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
H04N 25/00
Circuitry of solid-state image sensors [ssis]
H04N 25/671
Applied to fixed-pattern noise, e.g. non-uniformity of response: for non-uniformity detection or correction
H04N 25/78
Addressed sensors, e.g. MOS or CMOS sensors: readout circuits for addressed sensors, e.g. output amplifiers or A/D converters

Solid-state imaging device, drive method thereof and camera system

Life of this patent

Solid-state imaging device, drive method thereof and camera system

Life of this patent

Abstract

Claims21