TW200632290A - Light detection circuit - Google Patents

Light detection circuit

Info

Publication number
TW200632290A
TW200632290A TW094141042A TW94141042A TW200632290A TW 200632290 A TW200632290 A TW 200632290A TW 094141042 A TW094141042 A TW 094141042A TW 94141042 A TW94141042 A TW 94141042A TW 200632290 A TW200632290 A TW 200632290A
Authority
TW
Taiwan
Prior art keywords
light
time
voltage signal
variable voltage
detection circuit
Prior art date
Application number
TW094141042A
Other languages
English (en)
Chinese (zh)
Inventor
Ronald Steven Cok
Joshua Marc Silbermann
Original Assignee
Eastman Kodak Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of TW200632290A publication Critical patent/TW200632290A/zh

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/44—Electric circuits
    • G01J1/46—Electric circuits using a capacitor
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
    • G02F1/13318—Circuits comprising a photodetector

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Liquid Crystal (AREA)
TW094141042A 2004-11-24 2005-11-23 Light detection circuit TW200632290A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/997,488 US7462811B2 (en) 2004-11-24 2004-11-24 Light detection circuit

Publications (1)

Publication Number Publication Date
TW200632290A true TW200632290A (en) 2006-09-16

Family

ID=35976660

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094141042A TW200632290A (en) 2004-11-24 2005-11-23 Light detection circuit

Country Status (5)

Country Link
US (1) US7462811B2 (enExample)
EP (1) EP1815218A1 (enExample)
JP (1) JP2008522159A (enExample)
TW (1) TW200632290A (enExample)
WO (1) WO2006058152A1 (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI413091B (zh) * 2010-05-14 2013-10-21 Au Optronics Corp 調整背光源之亮度的方法
TWI485372B (zh) * 2012-11-16 2015-05-21 Au Optronics Corp 光感測電路及光感測之控制方法
CN111459341A (zh) * 2019-05-15 2020-07-28 友达光电股份有限公司 光感测电路、光感测电路的驱动方法以及显示面板

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JP2006013407A (ja) * 2004-05-21 2006-01-12 Sanyo Electric Co Ltd 光量検出回路およびそれを用いた表示パネル
JP2006029832A (ja) * 2004-07-12 2006-02-02 Sanyo Electric Co Ltd 光量検出回路
JP2006030317A (ja) * 2004-07-12 2006-02-02 Sanyo Electric Co Ltd 有機ｅｌ表示装置
JP2006079589A (ja) * 2004-08-05 2006-03-23 Sanyo Electric Co Ltd タッチパネル
WO2006115917A2 (en) * 2005-04-21 2006-11-02 Applied Materials, Inc. A pulse detector which employs a self-resetting pulse amplifier
TW200825563A (en) * 2006-12-11 2008-06-16 Innolux Display Corp Light supply device and liquid crystal display device using the same
JP5259132B2 (ja) * 2006-12-27 2013-08-07 三星ディスプレイ株式會社 周辺光感知回路及びこれを有する平板表示装置
JP4959449B2 (ja) * 2006-12-27 2012-06-20 三星モバイルディスプレイ株式會社 周辺光感知回路及びこれを有する平板表示装置
JP4488011B2 (ja) * 2007-02-26 2010-06-23 エプソンイメージングデバイス株式会社 電気光学装置、半導体装置、表示装置およびこれを備える電子機器
CN101281916B (zh) * 2007-04-06 2010-05-26 群康科技(深圳)有限公司 光感测器和显示装置
KR100957948B1 (ko) * 2008-02-19 2010-05-13 삼성모바일디스플레이주식회사 광센서 및 그를 이용한 평판표시장치
US8115152B1 (en) * 2008-06-03 2012-02-14 ADIC, Inc. Method of operating a photoconductor in an imaging system, and read-out circuit employing an AC-biased photoconductor
US8878816B2 (en) * 2009-02-19 2014-11-04 Au Optronics Corporation Active pixel sensor and method for making same
JP5311347B2 (ja) 2009-03-27 2013-10-09 群創光電股▲ふん▼有限公司 ディスプレイ装置及びこれを有する電子機器
FR2997496A1 (fr) * 2012-10-25 2014-05-02 St Microelectronics Grenoble 2 Detection de niveau de luminosite ambiante
EP3430984A4 (en) * 2016-03-17 2019-04-03 Sony Corporation MEASURING CIRCUITS AND CONTROL METHODS AND ELECTRONIC INSTRUMENT
FR3071924A1 (fr) * 2017-10-04 2019-04-05 Stmicroelectronics (Grenoble 2) Sas Procede de detection de niveau de luminosite ambiante, et detecteur correspondant
EP3855417A1 (en) * 2020-01-24 2021-07-28 STMicroelectronics (Research & Development) Limited Method and device for ambient light measurement
GB202019768D0 (en) * 2020-12-15 2021-01-27 Ams Ag Circuit for high-sensitivity radiation sensing

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JPH0767152B2 (ja) * 1993-03-25 1995-07-19 日本電気株式会社 イメージセンサとその駆動方法
JP2953297B2 (ja) 1994-03-30 1999-09-27 日本電気株式会社 受光素子およびその駆動方法
JP3473658B2 (ja) * 1996-07-18 2003-12-08 アルプス電気株式会社 指紋読取り装置
US5773816A (en) 1996-10-07 1998-06-30 Lucid Technologies Inc. Photodetector integrator circuit having a window comparator
AU2492399A (en) * 1998-02-02 1999-08-16 Uniax Corporation Image sensors made from organic semiconductors
JP3581031B2 (ja) * 1998-11-27 2004-10-27 オリンパス株式会社 光検出装置
US6295413B1 (en) * 1999-02-24 2001-09-25 Nikon Corporation Digitizing circuit of light amount receiving from strobe and control circuit of light amount emitted from strobe
US6384394B1 (en) * 1999-08-16 2002-05-07 Intel Corporation Apparatus and method for offset reduction in the image sensors
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GB0014961D0 (en) 2000-06-20 2000-08-09 Koninkl Philips Electronics Nv Light-emitting matrix array display devices with light sensing elements
US6740860B2 (en) 2000-12-06 2004-05-25 Canon Kabushiki Kaisha Photodetector, photosensing position detector, coordinate input device, coordinate input/output apparatus, and photodetection method
US20020113887A1 (en) * 2001-02-16 2002-08-22 Iimura Russell M. CMOS image sensor with extended dynamic range
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US6642503B2 (en) 2001-06-13 2003-11-04 Texas Instruments Incorporated Time domain sensing technique and system architecture for image sensor
US7474345B2 (en) * 2001-10-24 2009-01-06 Texas Instruments Incorporated System and method to facilitate time domain sampling for solid state imager
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US6777660B1 (en) * 2002-02-04 2004-08-17 Smal Technologies CMOS active pixel with reset noise reduction
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US7385572B2 (en) * 2002-09-09 2008-06-10 E.I Du Pont De Nemours And Company Organic electronic device having improved homogeneity
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI413091B (zh) * 2010-05-14 2013-10-21 Au Optronics Corp 調整背光源之亮度的方法
TWI485372B (zh) * 2012-11-16 2015-05-21 Au Optronics Corp 光感測電路及光感測之控制方法
CN111459341A (zh) * 2019-05-15 2020-07-28 友达光电股份有限公司 光感测电路、光感测电路的驱动方法以及显示面板
CN111459341B (zh) * 2019-05-15 2023-06-13 友达光电股份有限公司 光感测电路、光感测电路的驱动方法以及显示面板

Also Published As

Publication number Publication date
JP2008522159A (ja) 2008-06-26
WO2006058152A1 (en) 2006-06-01
EP1815218A1 (en) 2007-08-08
US20060108511A1 (en) 2006-05-25
US7462811B2 (en) 2008-12-09

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