TWI348131B - Circuit detecting ambient light on a display - Google Patents

Circuit detecting ambient light on a display

Info

Publication number
TWI348131B
TWI348131B TW093132440A TW93132440A TWI348131B TW I348131 B TWI348131 B TW I348131B TW 093132440 A TW093132440 A TW 093132440A TW 93132440 A TW93132440 A TW 93132440A TW I348131 B TWI348131 B TW I348131B
Authority
TW
Taiwan
Prior art keywords
display
ambient light
circuit detecting
detecting ambient
circuit
Prior art date
Application number
TW093132440A
Other languages
English (en)
Other versions
TW200529131A (en
Inventor
Ronald S Cok
Original Assignee
Global Oled Technology Llc
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 Global Oled Technology Llc filed Critical Global Oled Technology Llc
Publication of TW200529131A publication Critical patent/TW200529131A/zh
Application granted granted Critical
Publication of TWI348131B publication Critical patent/TWI348131B/zh

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • 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
    • G01J1/4204—Photometry, e.g. photographic exposure meter using electric radiation detectors with determination of ambient light
    • 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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Nonlinear Science (AREA)
  • Computer Hardware Design (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mathematical Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Sustainable Development (AREA)
  • Optics & Photonics (AREA)
  • Theoretical Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • Control Of El Displays (AREA)
  • Electroluminescent Light Sources (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Liquid Crystal Display Device Control (AREA)
TW093132440A 2003-10-27 2004-10-26 Circuit detecting ambient light on a display TWI348131B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/694,560 US6975008B2 (en) 2003-10-27 2003-10-27 Circuit for detecting ambient light on a display

Publications (2)

Publication Number Publication Date
TW200529131A TW200529131A (en) 2005-09-01
TWI348131B true TWI348131B (en) 2011-09-01

Family

ID=34522632

Family Applications (1)

Application Number Title Priority Date Filing Date
TW093132440A TWI348131B (en) 2003-10-27 2004-10-26 Circuit detecting ambient light on a display

Country Status (6)

Country Link
US (1) US6975008B2 (zh)
JP (1) JP2007511751A (zh)
KR (1) KR101155958B1 (zh)
CN (1) CN100592043C (zh)
TW (1) TWI348131B (zh)
WO (1) WO2005045380A1 (zh)

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JP2006079589A (ja) * 2004-08-05 2006-03-23 Sanyo Electric Co Ltd タッチパネル
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CN101076214B (zh) * 2006-05-19 2012-06-20 鸿富锦精密工业（深圳）有限公司 照明电路
CN101080124A (zh) * 2006-05-24 2007-11-28 鸿富锦精密工业（深圳）有限公司 照明电路及利用该照明电路的便携式无纸书
KR101195743B1 (ko) * 2006-06-30 2012-11-01 엘지디스플레이 주식회사 유기전계발광 디스플레이 장치
KR101229019B1 (ko) * 2006-06-30 2013-02-15 엘지디스플레이 주식회사 액정표시장치 및 이의 구동회로
KR100825411B1 (ko) * 2006-12-27 2008-04-29 한양대학교 산학협력단 주변광 감지 회로 및 이를 갖는 평판 표시 장치
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
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KR100824856B1 (ko) * 2006-12-27 2008-04-23 삼성에스디아이 주식회사 주변광 감지 회로를 갖는 평판 표시 장치
EP1939847B1 (en) * 2006-12-27 2016-08-10 IUCF-HYU (Industry-University Cooperation Foundation Hanyang University) Ambient light sensor circuit and flat panel display device having the same
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TWI358570B (en) * 2007-11-27 2012-02-21 Univ Nat Chiao Tung Lcd with ambient light sense function and method t
JP4438855B2 (ja) * 2007-12-03 2010-03-24 エプソンイメージングデバイス株式会社 電気光学装置、電子機器、並びに外光検出装置及び方法
JP5305387B2 (ja) * 2007-12-25 2013-10-02 セイコーインスツル株式会社 光検出装置、及び画像表示装置
KR100957947B1 (ko) 2008-01-09 2010-05-13 삼성모바일디스플레이주식회사 광센서 및 그를 이용한 평판표시장치
TWI360644B (en) * 2008-02-19 2012-03-21 Wintek Corp Photo sensor for a display device
KR100957948B1 (ko) * 2008-02-19 2010-05-13 삼성모바일디스플레이주식회사 광센서 및 그를 이용한 평판표시장치
JP4607205B2 (ja) * 2008-05-12 2011-01-05 ティーピーオー ディスプレイズ コーポレイション 表示装置および表示装置のバックライト制御方法
JP5250493B2 (ja) 2008-07-16 2013-07-31 株式会社半導体エネルギー研究所 発光装置
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US8735795B2 (en) 2012-01-20 2014-05-27 Omnivision Technologies, Inc. Image sensor with integrated ambient light detection
US9064451B2 (en) 2012-02-01 2015-06-23 Apple Inc. Organic light emitting diode display having photodiodes
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Also Published As

Publication number Publication date
WO2005045380A1 (en) 2005-05-19
CN1875250A (zh) 2006-12-06
KR101155958B1 (ko) 2012-06-18
US20050087825A1 (en) 2005-04-28
TW200529131A (en) 2005-09-01
JP2007511751A (ja) 2007-05-10
US6975008B2 (en) 2005-12-13
KR20060107525A (ko) 2006-10-13
CN100592043C (zh) 2010-02-24

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