CN114287112A - 图像传感器像素电路及控制方法、图像传感器、终端设备 - Google Patents

图像传感器像素电路及控制方法、图像传感器、终端设备 Download PDF

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CN114287112A
CN114287112A CN201980099834.3A CN201980099834A CN114287112A CN 114287112 A CN114287112 A CN 114287112A CN 201980099834 A CN201980099834 A CN 201980099834A CN 114287112 A CN114287112 A CN 114287112A
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transistor
modulation signal
transmission channel
coupled
storage capacitor
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CN201980099834.3A
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CN114287112B (zh
Inventor
潘撼
施琛
刘维辉
巩啸风
唐样洋
朴善钦
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/491—Details of non-pulse systems
    • G01S7/4912—Receivers
    • G01S7/4913—Circuits for detection, sampling, integration or read-out
    • G01S7/4914—Circuits for detection, sampling, integration or read-out of detector arrays, e.g. charge-transfer gates
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06—Systems determining position data of a target
    • G01S17/08—Systems determining position data of a target for measuring distance only
    • G01S17/32—Systems determining position data of a target for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G01S17/36—Systems determining position data of a target for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated with phase comparison between the received signal and the contemporaneously transmitted signal
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/88—Lidar systems specially adapted for specific applications
    • G01S17/89—Lidar systems specially adapted for specific applications for mapping or imaging
    • G01S17/894—3D imaging with simultaneous measurement of time-of-flight at a 2D array of receiver pixels, e.g. time-of-flight cameras or flash lidar
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/70—SSIS architectures; Circuits associated therewith
    • H04N25/76—Addressed sensors, e.g. MOS or CMOS sensors
    • H04N25/77—Pixel circuitry, e.g. memories, A/D converters, pixel amplifiers, shared circuits or shared components
    • H04N25/771—Pixel circuitry, e.g. memories, A/D converters, pixel amplifiers, shared circuits or shared components comprising storage means other than floating diffusion

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Solid State Image Pick-Up Elements (AREA)

Abstract

本申请实施例提供一种图像传感器像素电路及控制方法、图像传感器、终端设备，涉及图像采集技术领域，用于减小收集区域中实际收集的载流子的数量与预期值之间的差异。图像传感器像素电路包括光敏元件、左传输通道、右传输通道。左传输通道包括串联第一左晶体管、第二左晶体管，第一左晶体管未完全导通时，第二左晶体管处于截止状态。右传输通道包括串联的第一右晶体管、第二右晶体管，第一右晶体管未完全导通时，第二右晶体管处于截止状态。在第一左晶体管和第一右晶体管的栅极电压相同时，左转移通道中的载流子无法通过截止的第二右晶体管传输至右转移通道。同理右转移通道中的载流子无法通过截止的第二左晶体管传输至左传输通道。

Description

PCT国内申请，说明书已公开。

Claims (34)

  1. PCT国内申请，权利要求书已公开。
CN201980099834.3A 2019-09-10 2019-09-10 图像传感器像素电路及控制方法、图像传感器、终端设备 Active CN114287112B (zh)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011157726A1 (en) * 2010-06-16 2011-12-22 Iee International Electronics & Engineering S.A. Switch and gate topologies for improved demodulation performance of time of flight pixels
JP2012083221A (ja) * 2010-10-12 2012-04-26 Hamamatsu Photonics Kk 距離センサ及び距離画像センサ
CN108322678A (zh) * 2018-03-01 2018-07-24 上海晔芯电子科技有限公司 支持全局曝光的tof图像传感器像素结构及tof成像系统
CN109814083A (zh) * 2018-11-14 2019-05-28 深圳市光微科技有限公司 电流辅助光子解调型像素单元、背照式图像传感器芯片、成像系统、形成方法和测算方法
CN208971644U (zh) * 2017-10-24 2019-06-11 半导体元件工业有限责任公司 图像传感器像素及图像传感器

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KR20030096659A (ko) * 2002-06-17 2003-12-31 삼성전자주식회사 이미지 센서의 화소 어레이 영역, 그 구조체 및 그 제조방법
WO2006086281A2 (en) * 2005-02-08 2006-08-17 Canesta, Inc. Methods and devices for improved charge management for three-dimensional and color sensing
JP5568934B2 (ja) * 2009-09-29 2014-08-13 ソニー株式会社 固体撮像装置、固体撮像装置の製造方法、電子機器、レンズアレイ
JP2015152699A (ja) * 2014-02-13 2015-08-24 ソニー株式会社 発光素子駆動回路、表示装置、及び、ａ／ｄ変換回路
US9389069B2 (en) * 2014-03-26 2016-07-12 Alces Technology, Inc. Compact 3D depth capture systems
FR3045992A1 (zh) * 2015-12-18 2017-06-23 Commissariat Energie Atomique

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011157726A1 (en) * 2010-06-16 2011-12-22 Iee International Electronics & Engineering S.A. Switch and gate topologies for improved demodulation performance of time of flight pixels
JP2012083221A (ja) * 2010-10-12 2012-04-26 Hamamatsu Photonics Kk 距離センサ及び距離画像センサ
CN208971644U (zh) * 2017-10-24 2019-06-11 半导体元件工业有限责任公司 图像传感器像素及图像传感器
CN108322678A (zh) * 2018-03-01 2018-07-24 上海晔芯电子科技有限公司 支持全局曝光的tof图像传感器像素结构及tof成像系统
CN109814083A (zh) * 2018-11-14 2019-05-28 深圳市光微科技有限公司 电流辅助光子解调型像素单元、背照式图像传感器芯片、成像系统、形成方法和测算方法

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EP4024730A1 (en) 2022-07-06
CN117915215A (zh) 2024-04-19
WO2021046728A1 (zh) 2021-03-18
EP4024730A4 (en) 2022-09-07
CN114287112B (zh) 2024-03-01

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