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Solid-state imaging device, method of driving the same, and electronic system

A solid-state imaging device and electric charge technology, which is applied to the components of TV systems, TVs, circuits, etc., can solve the problem of reduced sensitivity of moving images and achieve the effect of improving quality

Active Publication Date: 2012-12-26
SONY SEMICON SOLUTIONS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, there is a problem that there are many time periods in which exposure is not allowed, smooth moving images that require continuous exposure are not allowed, and the sensitivity of moving images decreases

Method used

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  • Solid-state imaging device, method of driving the same, and electronic system
  • Solid-state imaging device, method of driving the same, and electronic system
  • Solid-state imaging device, method of driving the same, and electronic system

Examples

Experimental program
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Effect test

no. 1 example

[0026] 1. First embodiment: Solid-state imaging device

[0027] 1.1 Overall configuration of solid-state imaging device

[0028] 1.2 Configuration of main components

[0029] 1.3 Driving method

[0030] 1.4 Variant

no. 2 example

[0031] 2. Second Embodiment: Solid-state imaging device electronic system

[0032] 2.1 pixel configuration

[0033] 2.2 Electronic system configuration

[0034] 2.3 Drive Method: Still Image

[0035] 2.4 Drive Method: Moving Image

[0036] 1. First embodiment: Solid-state imaging device

[0037] 1.1 Overall configuration of solid-state imaging device

[0038] First, a description will be given of the solid-state imaging device according to the first embodiment of the present disclosure.

[0039] figure 1 is a schematic configuration diagram illustrating the entire CMOS solid-state imaging device according to the first embodiment of the present disclosure.

[0040] The solid-state imaging device 1 according to the present embodiment has a configuration including a pixel array section 2 formed on a substrate 9 made of silicon and a peripheral circuit section integrated with the pixel on the same substrate 9 of the array component 2 . The peripheral circuit components inc...

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Abstract

A solid-state imaging device includes: a pixel array section including an array of pixels in a two-dimensional matrix, the pixels including a photoelectric conversion section configured to generate signal charges in accordance with an amount of light, a discharge section configured to receive an overflow of signal charges exceeding a saturation amount of charges during an exposure period, at least a first charge accumulation section configured to receive the signal charges generated by the photoelectric conversion section after the exposure period, and a second charge accumulation section configured to receive the signal charges exceeding the saturation amount of charges, and a plurality of pixel transistors reading the signal charges; and a scanning section configured to scan the pixels so that accumulation periods for all the pixels are simultaneous in an accumulation period of the signal charges, and to selectively scan the pixels in sequence.

Description

technical field [0001] The present disclosure relates to solid-state imaging devices. More specifically, the present disclosure relates to a CMOS (Complementary Metal Oxide Semiconductor) solid-state imaging device, a method of driving the CMOS solid-state imaging device, and an electronic system using the CMOS solid-state imaging device. Background technique [0002] Hitherto, in general CMOS solid-state imaging devices, a method of sequentially reading signal charges for each row, which have been generated and accumulated by light-receiving elements of individual pixels arranged in a two-dimensional matrix, has been employed . In this case, the exposure time of the light receiving part of each pixel is determined by the start and end of signal charge readout, and thus the exposure timing differs for each pixel. Accordingly, if the CMOS solid-state imaging device is used to capture an image of a fast-moving object, there will be a problem of deformation of the image of th...

Claims

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Application Information

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IPC IPC(8): H04N5/374H04N5/3745H04N5/359
CPCH04N5/3745H04N5/374H04N5/359H04N5/353H04N5/37457H04N25/53H04N25/778H01L27/14H04N25/44H04N25/62H04N25/621
Inventor 马渕圭司
Owner SONY SEMICON SOLUTIONS CORP