JP5080468B2 - スキャンバックライトを有する液晶ディスプレイ - Google Patents

スキャンバックライトを有する液晶ディスプレイ Download PDF

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Publication number
JP5080468B2
JP5080468B2 JP2008525685A JP2008525685A JP5080468B2 JP 5080468 B2 JP5080468 B2 JP 5080468B2 JP 2008525685 A JP2008525685 A JP 2008525685A JP 2008525685 A JP2008525685 A JP 2008525685A JP 5080468 B2 JP5080468 B2 JP 5080468B2
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JP
Japan
Prior art keywords
liquid crystal
light sources
crystal display
column
backlight
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.)
Expired - Fee Related
Application number
JP2008525685A
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English (en)
Japanese (ja)
Other versions
JP2009505130A (ja
Inventor
レイク，アレクサンデル クリスティアーン デ
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips NV
Koninklijke Philips Electronics NV
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
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Publication of JP2009505130A publication Critical patent/JP2009505130A/ja
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Publication of JP5080468B2 publication Critical patent/JP5080468B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G09G3/34—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
    • G09G3/3406—Control of illumination source
    • G09G3/342—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines
    • G09G3/3426—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines the different display panel areas being distributed in two dimensions, e.g. matrix
    • 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
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/04—Structural and physical details of display devices
    • G09G2300/0439—Pixel structures
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00—Command of the display device
    • G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0202—Addressing of scan or signal lines
    • G09G2310/0205—Simultaneous scanning of several lines in flat panels
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00—Command of the display device
    • G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/024—Scrolling of light from the illumination source over the display in combination with the scanning of the display screen
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00—Command of the display device
    • G09G2310/08—Details of timing specific for flat panels, other than clock recovery
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0261—Improving the quality of display appearance in the context of movement of objects on the screen or movement of the observer relative to the screen
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness
    • G09G2320/064—Adjustment of display parameters for control of overall brightness by time modulation of the brightness of the illumination source
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness
    • G09G2320/0646—Modulation of illumination source brightness and image signal correlated to each other

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Nonlinear Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Physics (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal (AREA)
  • Electroluminescent Light Sources (AREA)
JP2008525685A 2005-08-09 2006-08-01 スキャンバックライトを有する液晶ディスプレイ Expired - Fee Related JP5080468B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP05107308 2005-08-09
EP05107308.8 2005-08-09
PCT/IB2006/052630 WO2007017797A2 (en) 2005-08-09 2006-08-01 Liquid crystal display comprising a scanning backlight

Publications (2)

Publication Number Publication Date
JP2009505130A JP2009505130A (ja) 2009-02-05
JP5080468B2 true JP5080468B2 (ja) 2012-11-21

Family

ID=37670939

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2008525685A Expired - Fee Related JP5080468B2 (ja) 2005-08-09 2006-08-01 スキャンバックライトを有する液晶ディスプレイ
JP2008525683A Pending JP2009505129A (ja) 2005-08-09 2006-08-01 液晶ディスプレイを備えている装置

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2008525683A Pending JP2009505129A (ja) 2005-08-09 2006-08-01 液晶ディスプレイを備えている装置

Country Status (7)

Country Link
US (2) US20100134521A1 (https=)
EP (2) EP1915751A2 (https=)
JP (2) JP5080468B2 (https=)
KR (2) KR20080033525A (https=)
CN (2) CN101238503B (https=)
TW (2) TW200719311A (https=)
WO (2) WO2007017797A2 (https=)

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EP1915751A2 (en) * 2005-08-09 2008-04-30 Koninklijke Philips Electronics N.V. Liquid crystal display comprising a scanning backlight
KR20070025034A (ko) * 2005-08-31 2007-03-08 삼성전자주식회사 백라이트 유닛과 이를 포함하는 표시장치
WO2008104229A1 (de) * 2007-03-01 2008-09-04 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Anordnung und verfahren zur hinterleuchtung einer anzeigevorrichtung
KR101182270B1 (ko) * 2007-03-30 2012-09-14 삼성전자주식회사 백라이트 유닛, 디스플레이장치 및 그 제어방법
KR101394435B1 (ko) 2007-09-28 2014-05-14 삼성디스플레이 주식회사 백라이트 드라이버 및 이를 포함하는 액정 표시 장치
EP2202717B1 (en) * 2007-10-05 2013-12-25 Sharp Kabushiki Kaisha Image display
JP4956520B2 (ja) * 2007-11-13 2012-06-20 ミツミ電機株式会社 バックライト装置及びこれを用いた液晶表示装置
KR101643203B1 (ko) 2009-04-15 2016-08-10 돌비 레버러토리즈 라이쎈싱 코오포레이션 공간 가변 백라이트들을 갖는 박형 디스플레이들
WO2010147294A1 (ko) * 2009-06-15 2010-12-23 엘지전자 주식회사 디스플레이 장치
US9692946B2 (en) * 2009-06-29 2017-06-27 Dolby Laboratories Licensing Corporation System and method for backlight and LCD adjustment
KR100964467B1 (ko) * 2009-11-24 2010-06-16 엘지전자 주식회사 디스플레이 장치
KR101689776B1 (ko) * 2010-04-13 2016-12-27 삼성디스플레이 주식회사 백라이트 어셈블리의 구동 방법 및 이를 갖는 표시장치
US8477261B2 (en) 2010-05-26 2013-07-02 Microsoft Corporation Shadow elimination in the backlight for a 3-D display
US8654068B2 (en) 2011-07-15 2014-02-18 Apple Inc. Enhanced resolution of luminance levels in a backlight unit of a display device
WO2013028900A1 (en) 2011-08-24 2013-02-28 Dolby Laboratories Licensing Corporation High dynamic range displays having wide color gamut and energy efficiency
US9488862B2 (en) 2013-02-12 2016-11-08 Apple Inc. Displays with organic light-emitting diode backlight structures
CN104821161B (zh) 2015-05-29 2018-05-08 京东方科技集团股份有限公司 一种场序显示面板的驱动方法、场序显示装置的驱动方法
CN105551444B (zh) * 2016-03-02 2018-01-23 京东方科技集团股份有限公司 一种显示装置
CN107978280A (zh) * 2017-12-12 2018-05-01 北京京东方光电科技有限公司 一种背光模组驱动方法、装置、显示装置及背光模组
JP2020027273A (ja) * 2018-08-09 2020-02-20 シャープ株式会社 バックライト装置およびそれを備える表示装置
US11081070B2 (en) * 2018-09-18 2021-08-03 Apple Inc. Backlight systems and methods for electronic device displays
US10877315B2 (en) * 2019-02-15 2020-12-29 Sharp Kabushiki Kaisha Backlight and display device provided with same
CN111710306B (zh) * 2020-06-28 2022-03-01 深圳康佳电子科技有限公司 一种自发光lcd液晶屏幕、显示装置及电视机
CN114930445B (zh) * 2020-12-03 2026-01-02 三星电子株式会社 显示装置及其发光装置
US11769460B2 (en) * 2021-08-26 2023-09-26 Solomon Systech (Shenzhen) Limited Local dimming control with 2-line addressing

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JP4491632B2 (ja) * 2000-04-07 2010-06-30 日本電気株式会社 液晶表示装置の駆動方法
JP3523170B2 (ja) * 2000-09-21 2004-04-26 株式会社東芝 表示装置
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KR20040103997A (ko) * 2003-06-02 2004-12-10 엘지.필립스 엘시디 주식회사 액정표시패널과 그 구동방법 및 장치
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JP4628770B2 (ja) * 2004-02-09 2011-02-09 株式会社日立製作所 照明装置を備えた画像表示装置及び画像表示方法
EP1915751A2 (en) * 2005-08-09 2008-04-30 Koninklijke Philips Electronics N.V. Liquid crystal display comprising a scanning backlight

Also Published As

Publication number Publication date
EP1915750A2 (en) 2008-04-30
TW200719311A (en) 2007-05-16
KR20080033525A (ko) 2008-04-16
US20100134522A1 (en) 2010-06-03
US20100134521A1 (en) 2010-06-03
CN101238503A (zh) 2008-08-06
WO2007017795A3 (en) 2007-05-31
WO2007017797A2 (en) 2007-02-15
WO2007017795A2 (en) 2007-02-15
EP1915751A2 (en) 2008-04-30
TW200710792A (en) 2007-03-16
JP2009505130A (ja) 2009-02-05
CN101238503B (zh) 2013-06-19
WO2007017797A3 (en) 2007-05-31
KR20080041685A (ko) 2008-05-13
JP2009505129A (ja) 2009-02-05
CN101243483A (zh) 2008-08-13

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