JP2008070592A - 輝度調整装置及び液晶表示装置 - Google Patents

輝度調整装置及び液晶表示装置 Download PDF

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Publication number
JP2008070592A
JP2008070592A JP2006249131A JP2006249131A JP2008070592A JP 2008070592 A JP2008070592 A JP 2008070592A JP 2006249131 A JP2006249131 A JP 2006249131A JP 2006249131 A JP2006249131 A JP 2006249131A JP 2008070592 A JP2008070592 A JP 2008070592A
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JP
Japan
Prior art keywords
voltage
circuit
signal
reference voltage
output
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP2006249131A
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English (en)
Japanese (ja)
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JP2008070592A5 (enExample
Inventor
Song-Yi Han
ソンイ 韓
Tatsuhisa Shimura
達久 志村
Osamu Sengoku
修 仙石
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
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Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of JP2008070592A publication Critical patent/JP2008070592A/ja
Publication of JP2008070592A5 publication Critical patent/JP2008070592A5/ja
Pending legal-status Critical Current

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    • 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
    • G09G3/36—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 using liquid crystals
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/36—Controlling
    • H05B41/38—Controlling the intensity of light
    • H05B41/39—Controlling the intensity of light continuously
    • H05B41/392—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
    • H05B41/3921—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
    • H05B41/3927—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations by pulse width modulation
    • 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
    • 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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/10—Intensity circuits

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Display Device Control (AREA)
JP2006249131A 2006-09-12 2006-09-14 輝度調整装置及び液晶表示装置 Pending JP2008070592A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020060088247A KR101254735B1 (ko) 2006-09-12 2006-09-12 휘도 조정 장치 및 액정표시장치

Publications (2)

Publication Number Publication Date
JP2008070592A true JP2008070592A (ja) 2008-03-27
JP2008070592A5 JP2008070592A5 (enExample) 2009-11-05

Family

ID=38739504

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2006249131A Pending JP2008070592A (ja) 2006-09-12 2006-09-14 輝度調整装置及び液晶表示装置

Country Status (5)

Country Link
US (1) US8139019B2 (enExample)
EP (1) EP1901590B1 (enExample)
JP (1) JP2008070592A (enExample)
KR (1) KR101254735B1 (enExample)
DE (1) DE602007012970D1 (enExample)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010152337A (ja) * 2008-12-24 2010-07-08 Samsung Electronics Co Ltd 表示装置、およびその表示装置の駆動方法
JP2010181654A (ja) * 2009-02-05 2010-08-19 Seiko Epson Corp 表示装置，電子機器および表示装置の駆動方法
JP2013088526A (ja) * 2011-10-14 2013-05-13 Sharp Corp 信号生成回路、バックライト点灯タイミング制御回路、信号生成方法
JP2013156298A (ja) * 2012-01-26 2013-08-15 Sharp Corp 画像表示装置
JPWO2024161808A1 (enExample) * 2023-01-31 2024-08-08

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8498804B2 (en) * 2007-01-10 2013-07-30 Tomtom International B.V. Navigation device and method for conserving power
US7609240B2 (en) * 2007-02-09 2009-10-27 Samsung Electronics Co., Ltd. Light generating device, display apparatus having the same and method of driving the same
KR101512050B1 (ko) * 2008-01-25 2015-04-16 삼성디스플레이 주식회사 광원 로컬 디밍 방법, 이를 수행하기 위한 백라이트어셈블리 및 이를 갖는 표시장치
KR101325362B1 (ko) * 2008-12-23 2013-11-08 엘지디스플레이 주식회사 액정표시장치
KR101341021B1 (ko) * 2009-12-11 2013-12-13 엘지디스플레이 주식회사 광원 구동 장치 및 그 구동 방법
KR101832338B1 (ko) * 2011-03-24 2018-02-27 삼성디스플레이 주식회사 표시 장치 및 그 동작 방법
US9265123B2 (en) 2011-10-07 2016-02-16 Rohm Co., Ltd. Controlling brightness of lamp in display device
TWI514919B (zh) * 2013-01-17 2015-12-21 Univ Nat Chi Nan Optical power control system and optical power control device and pulse generation module group
US9241376B2 (en) * 2013-03-05 2016-01-19 Shenzhen China Star Optoelectronics Technology Co., Ltd. Driver for LED backlight and LED backlight module and liquid crystal display
KR20150072262A (ko) * 2013-12-19 2015-06-29 삼성디스플레이 주식회사 광원 구동 방법, 이 광원 구동 방법을 수행하는 광원 구동 장치 및 이 광원 구동 장치를 포함하는 표시 장치
TWI514255B (zh) * 2014-05-14 2015-12-21 Pegatron Corp 亮度控制方法與電腦一體機
JP2017151197A (ja) * 2016-02-23 2017-08-31 ソニー株式会社 ソースドライバ、表示装置、及び、電子機器
DE102017210261A1 (de) * 2017-06-20 2018-12-20 Homag Gmbh Verfahren und Vorrichtung zum thermischen Aktivieren einer Funktionsschicht eines Beschichtungsmaterials
CN111429850A (zh) * 2020-04-08 2020-07-17 深圳市华星光电半导体显示技术有限公司 显示面板及其显示方法

Citations (4)

* Cited by examiner, † Cited by third party
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JP2000292767A (ja) * 1999-04-09 2000-10-20 Matsushita Electric Ind Co Ltd 液晶表示装置
JP2002141191A (ja) * 2000-11-02 2002-05-17 Tdk Corp 放電灯点灯装置
JP2005316298A (ja) * 2004-04-30 2005-11-10 Nec Lcd Technologies Ltd 液晶表示装置、該液晶表示装置に用いられる光源駆動回路及び光源駆動方法
JP2006162828A (ja) * 2004-12-06 2006-06-22 Seiko Epson Corp 電気光学装置の駆動回路、電気光学装置および電子機器

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US5422678A (en) * 1991-01-29 1995-06-06 Seiko Epson Corp. Video processor for enlarging and contracting an image in a vertical direction
JPH07191298A (ja) 1993-12-27 1995-07-28 Sharp Corp バックライト付液晶表示装置
JP3966683B2 (ja) 2000-10-26 2007-08-29 株式会社アドバンスト・ディスプレイ 液晶表示装置
JP4123766B2 (ja) 2001-12-06 2008-07-23 松下電器産業株式会社 調光制御装置
JP3610958B2 (ja) 2002-03-05 2005-01-19 セイコーエプソン株式会社 輝度制御装置およびモニタ装置
JP2003257694A (ja) * 2002-03-05 2003-09-12 Seiko Epson Corp 輝度制御装置、液晶表示器および輝度制御方法
JP3800415B2 (ja) * 2002-07-30 2006-07-26 ミネベア株式会社 パルス幅変調回路及びそれを用いた照明装置
US6724158B1 (en) * 2002-10-28 2004-04-20 Honeywell International Inc. Power linearization technique for controlling the luminance of light emitting display devices
TW200512713A (en) * 2003-09-16 2005-04-01 Beyond Innovation Tech Co Ltd PWM illumination control circuit with low visual noise
US7468722B2 (en) * 2004-02-09 2008-12-23 Microsemi Corporation Method and apparatus to control display brightness with ambient light correction
TWI285350B (en) * 2005-07-29 2007-08-11 Innolux Display Corp A liquid crystal display
US20080136343A1 (en) * 2005-08-11 2008-06-12 Yu Chung-Che Resonant DC/AC inverter
US20080048582A1 (en) * 2006-08-28 2008-02-28 Robinson Shane P Pwm method and apparatus, and light source driven thereby

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000292767A (ja) * 1999-04-09 2000-10-20 Matsushita Electric Ind Co Ltd 液晶表示装置
JP2002141191A (ja) * 2000-11-02 2002-05-17 Tdk Corp 放電灯点灯装置
JP2005316298A (ja) * 2004-04-30 2005-11-10 Nec Lcd Technologies Ltd 液晶表示装置、該液晶表示装置に用いられる光源駆動回路及び光源駆動方法
JP2006162828A (ja) * 2004-12-06 2006-06-22 Seiko Epson Corp 電気光学装置の駆動回路、電気光学装置および電子機器

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010152337A (ja) * 2008-12-24 2010-07-08 Samsung Electronics Co Ltd 表示装置、およびその表示装置の駆動方法
US8519940B2 (en) 2008-12-24 2013-08-27 Samsung Display Co., Ltd. Display apparatus capable of changing dimming frequency of back light and control method thereof
JP2010181654A (ja) * 2009-02-05 2010-08-19 Seiko Epson Corp 表示装置，電子機器および表示装置の駆動方法
JP2013088526A (ja) * 2011-10-14 2013-05-13 Sharp Corp 信号生成回路、バックライト点灯タイミング制御回路、信号生成方法
JP2013156298A (ja) * 2012-01-26 2013-08-15 Sharp Corp 画像表示装置
JPWO2024161808A1 (enExample) * 2023-01-31 2024-08-08
WO2024161808A1 (ja) * 2023-01-31 2024-08-08 株式会社ジャパンディスプレイ 制御装置および照明装置

Also Published As

Publication number Publication date
US20080062105A1 (en) 2008-03-13
EP1901590A1 (en) 2008-03-19
KR20080024001A (ko) 2008-03-17
US8139019B2 (en) 2012-03-20
KR101254735B1 (ko) 2013-04-16
EP1901590B1 (en) 2011-03-09
DE602007012970D1 (de) 2011-04-21

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