KR100776490B1 - 외광감지센서 및 이를 이용한 액정표시장치 - Google Patents

외광감지센서 및 이를 이용한 액정표시장치 Download PDF

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Publication number
KR100776490B1
KR100776490B1 KR1020060034694A KR20060034694A KR100776490B1 KR 100776490 B1 KR100776490 B1 KR 100776490B1 KR 1020060034694 A KR1020060034694 A KR 1020060034694A KR 20060034694 A KR20060034694 A KR 20060034694A KR 100776490 B1 KR100776490 B1 KR 100776490B1
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KR
South Korea
Prior art keywords
transistor
external light
power supply
backlight
liquid crystal
Prior art date
Application number
KR1020060034694A
Other languages
English (en)
Korean (ko)
Other versions
KR20070102890A (ko
Inventor
김정환
Original Assignee
삼성에스디아이 주식회사
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 삼성에스디아이 주식회사 filed Critical 삼성에스디아이 주식회사
Priority to KR1020060034694A priority Critical patent/KR100776490B1/ko
Priority to JP2006239340A priority patent/JP4584215B2/ja
Priority to US11/730,525 priority patent/US7961180B2/en
Priority to CN2007100968991A priority patent/CN101059938B/zh
Priority to EP07106299A priority patent/EP1847818B1/en
Priority to DE602007000423T priority patent/DE602007000423D1/de
Publication of KR20070102890A publication Critical patent/KR20070102890A/ko
Application granted granted Critical
Publication of KR100776490B1 publication Critical patent/KR100776490B1/ko

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    • 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
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133611—Direct backlight including means for improving the brightness uniformity
    • 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
    • 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 
    • G02F1/0121—Operation of devices; Circuit arrangements, not otherwise provided for in this subclass
    • G02F1/0123—Circuits for the control or stabilisation of the bias voltage, e.g. automatic bias control [ABC] feedback loops
    • 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
    • G09G3/34—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 by control of light from an independent source

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Liquid Crystal (AREA)
KR1020060034694A 2006-04-17 2006-04-17 외광감지센서 및 이를 이용한 액정표시장치 KR100776490B1 (ko)

Priority Applications (6)

Application Number Priority Date Filing Date Title
KR1020060034694A KR100776490B1 (ko) 2006-04-17 2006-04-17 외광감지센서 및 이를 이용한 액정표시장치
JP2006239340A JP4584215B2 (ja) 2006-04-17 2006-09-04 外光感知センサー及びこれを利用した液晶表示装置
US11/730,525 US7961180B2 (en) 2006-04-17 2007-04-02 Optical sensor for sensing peripheral light and liquid crystal display device using the same
CN2007100968991A CN101059938B (zh) 2006-04-17 2007-04-16 探测周围光的光学传感器及采用其的液晶显示器件
EP07106299A EP1847818B1 (en) 2006-04-17 2007-04-17 Optical sensor for sensing peripheral light and liquid crystal display device using the same
DE602007000423T DE602007000423D1 (de) 2006-04-17 2007-04-17 Optischer Sensor zur Erfassung peripheren Lichts und Flüssigkristallanzeige damit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020060034694A KR100776490B1 (ko) 2006-04-17 2006-04-17 외광감지센서 및 이를 이용한 액정표시장치

Publications (2)

Publication Number Publication Date
KR20070102890A KR20070102890A (ko) 2007-10-22
KR100776490B1 true KR100776490B1 (ko) 2007-11-16

Family

ID=38817581

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020060034694A KR100776490B1 (ko) 2006-04-17 2006-04-17 외광감지센서 및 이를 이용한 액정표시장치

Country Status (2)

Country Link
KR (1) KR100776490B1 (zh)
CN (1) CN101059938B (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101343105B1 (ko) * 2007-12-18 2013-12-20 삼성디스플레이 주식회사 광센서 검사유닛, 이의 검사방법 및 표시장치
JP4797189B2 (ja) * 2009-02-09 2011-10-19 奇美電子股▲ふん▼有限公司 ディスプレイ装置及びこれを備える電子機器
TWI403789B (zh) 2009-04-01 2013-08-01 Acer Inc Liquid crystal display panel, liquid crystal display device, light detection device and light intensity adjustment method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002023658A (ja) * 2000-07-05 2002-01-23 Casio Comput Co Ltd 調光システム
KR20050046458A (ko) * 2003-11-14 2005-05-18 엘지.필립스 엘시디 주식회사 액정표시소자 및 그 구동방법

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002023658A (ja) * 2000-07-05 2002-01-23 Casio Comput Co Ltd 調光システム
KR20050046458A (ko) * 2003-11-14 2005-05-18 엘지.필립스 엘시디 주식회사 액정표시소자 및 그 구동방법

Also Published As

Publication number Publication date
CN101059938B (zh) 2011-02-16
CN101059938A (zh) 2007-10-24
KR20070102890A (ko) 2007-10-22

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