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Photoelectric conversion apparatus and information processing apparatus

Active Publication Date: 2017-06-23
CANON KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] According to the following structure described in Japanese Patent Laid-Open No. 2005-303268, it is difficult to increase the reading operation speed of target carriers in which the target carriers are taken out by the output unit 16 of the photodetection element 1, to detect the amount of charge based on electrons and holes

Method used

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  • Photoelectric conversion apparatus and information processing apparatus
  • Photoelectric conversion apparatus and information processing apparatus
  • Photoelectric conversion apparatus and information processing apparatus

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Embodiment Construction

[0024] Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings. According to an exemplary embodiment of the present invention, for example, the respective photodiodes of the two types described above can be suitably electrically separated from each other. Other advantages of the present invention are described in detail using exemplary embodiments of the present invention, and can be fully understood with reference to the detailed description and accompanying drawings. It should be noted that the drawings are shown only for the purpose of describing the structure or configuration, and the shown size of each member does not necessarily reflect the actual size. In addition, in the respective drawings, the same members or the same parts are given the same reference numerals, and descriptions of duplicated contents will be omitted below.

[0025] figure 1 is an explanatory diagram for describing a configuration e...

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Abstract

The invention discloses a photoelectric conversion apparatus and an information processing apparatus. A semiconductor apparatus includes a first photodiode arranged in a semiconductor substrate, a second photodiode arranged in the semiconductor substrate, a charge voltage conversion part connected to a cathode of the first photodiode and an anode of the second photodiode and configured to convert a charge amount in accordance with electrons generated in the first photodiode and holes generated in the second photodiode into a voltage, and a signal generation part configured to generate a signal in accordance with the voltage of the charge voltage conversion part.

Description

technical field [0001] Embodiments of the present invention relate to a photoelectric conversion device and an information processing device. Background technique [0002] A time-of-flight (TOF) method of measuring a distance to a target object by irradiating the target object with light and detecting reflected light from the object has been proposed as one of focusing methods. Specifically, the distance to the target object is measured based on the time period from the timing of light irradiation until the timing of reflected light detection (ie, the amount of delay of reflected light relative to irradiated light) and the speed of light. At this time, since reflected light from the target object is detected together with ambient light corresponding to light in the external environment, a technique for focusing while considering the ambient light is required. [0003] Figure 12 A structural example of the light detection element 1 according to the second exemplary embodime...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L27/146
CPCH01L27/14601H01L27/14609H01L27/14643G01S17/36G01S7/4811H01L27/14636H04N25/778G01S7/00
Inventor 和田洋一池田一郷田达人太田径介长谷川利则小林昌弘
Owner CANON KK