KR20060109847A - 액정표시장치 - Google Patents

액정표시장치 Download PDF

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Publication number
KR20060109847A
KR20060109847A KR1020060034861A KR20060034861A KR20060109847A KR 20060109847 A KR20060109847 A KR 20060109847A KR 1020060034861 A KR1020060034861 A KR 1020060034861A KR 20060034861 A KR20060034861 A KR 20060034861A KR 20060109847 A KR20060109847 A KR 20060109847A
Authority
KR
South Korea
Prior art keywords
backlight
divided
light emitting
liquid crystal
light
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.)
Withdrawn
Application number
KR1020060034861A
Other languages
English (en)
Korean (ko)
Inventor
카즈히로 사카시타
Original Assignee
가부시끼가이샤 르네사스 테크놀로지
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 가부시끼가이샤 르네사스 테크놀로지 filed Critical 가부시끼가이샤 르네사스 테크놀로지
Publication of KR20060109847A publication Critical patent/KR20060109847A/ko
Withdrawn legal-status Critical Current

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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
    • 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
    • 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
    • G09G3/3611—Control of matrices with row and column drivers
    • G09G3/3648—Control of matrices with row and column drivers using an active 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
    • G02F1/1336—Illuminating devices
    • G02F1/133601—Illuminating devices for spatial active dimming
    • 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
    • G09G2310/0237—Switching ON and OFF the backlight within one frame
    • 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
    • G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0243—Details of the generation of driving signals
    • G09G2310/0251—Precharge or discharge of pixel before applying new pixel voltage
    • 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
    • G09G2310/06—Details of flat display driving waveforms
    • G09G2310/061—Details of flat display driving waveforms for resetting or blanking
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Display Device Control (AREA)
KR1020060034861A 2005-04-18 2006-04-18 액정표시장치 Withdrawn KR20060109847A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005119359A JP2006301053A (ja) 2005-04-18 2005-04-18 液晶表示装置
JPJP-P-2005-00119359 2005-04-18

Publications (1)

Publication Number Publication Date
KR20060109847A true KR20060109847A (ko) 2006-10-23

Family

ID=37108040

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020060034861A Withdrawn KR20060109847A (ko) 2005-04-18 2006-04-18 액정표시장치

Country Status (3)

Country Link
US (1) US20060232544A1 (enExample)
JP (1) JP2006301053A (enExample)
KR (1) KR20060109847A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8274470B2 (en) 2007-03-30 2012-09-25 Samsung Electronics Co., Ltd. Backlight unit, display apparatus and control method thereof
KR101351391B1 (ko) * 2006-12-13 2014-01-14 엘지디스플레이 주식회사 액정 표시 장치
US9241379B2 (en) 2009-06-08 2016-01-19 Samsung Display Co., Ltd. Method of dimming a light source and display apparatus for performing the method

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007065050A (ja) * 2005-08-29 2007-03-15 Kyocera Mita Corp 表示装置及びこれを備えた画像形成装置
US8018427B2 (en) * 2006-04-28 2011-09-13 Sharp Kabushiki Kaisha Illumination device and liquid crystal display device provided therewith
US20070268238A1 (en) * 2006-05-22 2007-11-22 Himax Technologies, Inc. Image-displaying control circuit of a scan-backlight LCD
JP4237220B2 (ja) * 2006-11-13 2009-03-11 シャープ株式会社 透過型ディスプレイ装置
JP5037176B2 (ja) * 2007-03-05 2012-09-26 パナソニック株式会社 液晶表示装置
WO2008133142A1 (ja) * 2007-04-20 2008-11-06 Sharp Kabushiki Kaisha 照明装置およびこれを備えた表示装置
KR20080097722A (ko) * 2007-05-03 2008-11-06 삼성전자주식회사 백라이트 유닛 구동장치 및 그 방법
WO2009016912A1 (ja) * 2007-07-27 2009-02-05 Sharp Kabushiki Kaisha 液晶表示装置、テレビジョン受像機、および照明装置
KR100867104B1 (ko) * 2007-07-27 2008-11-06 전자부품연구원 영상 표시 장치의 백라이트 밝기 제어 방법 및 장치
KR101467935B1 (ko) * 2007-12-11 2014-12-03 삼성전자주식회사 디스플레이 장치 및 그 제어방법
KR20100023563A (ko) * 2008-08-22 2010-03-04 삼성전자주식회사 백라이트 장치 및 그것을 포함하는 액정 표시 장치
JP5301400B2 (ja) * 2008-11-28 2013-09-25 株式会社ジャパンディスプレイ バックライト装置並びに表示装置
JP2010210973A (ja) 2009-03-11 2010-09-24 Funai Electric Co Ltd 液晶表示装置
JP2011085917A (ja) * 2009-09-15 2011-04-28 Sharp Corp 液晶表示装置及びテレビ受信装置
US8947339B2 (en) * 2009-12-21 2015-02-03 Sharp Laboratories Of America, Inc. Noise-compensated LCD display
KR101028308B1 (ko) * 2010-01-15 2011-04-12 엘지이노텍 주식회사 백라이트 유닛 및 표시 장치
KR20120114883A (ko) * 2011-04-08 2012-10-17 삼성디스플레이 주식회사 3차원 영상 표시 방법 및 이를 수행하는 표시 장치
KR20150109533A (ko) * 2014-03-19 2015-10-02 삼성디스플레이 주식회사 표시장치
CN109754759B (zh) * 2017-11-08 2020-11-06 京东方科技集团股份有限公司 背光源控制装置、方法及显示装置
CN110703499A (zh) * 2019-03-26 2020-01-17 武汉华星光电技术有限公司 一种显示面板及其控制方法、显示装置
CN112198721A (zh) * 2020-10-29 2021-01-08 Tcl华星光电技术有限公司 背光模组及显示装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3280307B2 (ja) * 1998-05-11 2002-05-13 インターナショナル・ビジネス・マシーンズ・コーポレーション 液晶表示装置
TWI285872B (en) * 1999-05-10 2007-08-21 Matsushita Electric Industrial Co Ltd Image display device and method for displaying image
JP2002207463A (ja) * 2000-11-13 2002-07-26 Mitsubishi Electric Corp 液晶表示装置
JP2003050569A (ja) * 2000-11-30 2003-02-21 Hitachi Ltd 液晶表示装置
JP3766274B2 (ja) * 2000-12-21 2006-04-12 株式会社東芝 時分割カラー表示装置および表示方法
EP1600928A4 (en) * 2003-02-03 2006-10-11 Sharp Kk LIQUID CRYSTAL DISPLAY
US7394448B2 (en) * 2003-06-20 2008-07-01 Lg. Display Co., Ltd Method and apparatus for driving liquid crystal display device
CN100419534C (zh) * 2003-12-08 2008-09-17 索尼株式会社 液晶显示设备和背光调节方法
KR101072375B1 (ko) * 2003-12-29 2011-10-11 엘지디스플레이 주식회사 화소별 개구율 자동제어가 가능한 액정표시장치
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
JP4612406B2 (ja) * 2004-02-09 2011-01-12 株式会社日立製作所 液晶表示装置
US7990352B2 (en) * 2005-02-23 2011-08-02 Money Park Investments Ltd. Monochromatic liquid crystal display for colors
JP2007212591A (ja) * 2006-02-08 2007-08-23 Hitachi Displays Ltd 表示装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101351391B1 (ko) * 2006-12-13 2014-01-14 엘지디스플레이 주식회사 액정 표시 장치
US8274470B2 (en) 2007-03-30 2012-09-25 Samsung Electronics Co., Ltd. Backlight unit, display apparatus and control method thereof
US9241379B2 (en) 2009-06-08 2016-01-19 Samsung Display Co., Ltd. Method of dimming a light source and display apparatus for performing the method

Also Published As

Publication number Publication date
US20060232544A1 (en) 2006-10-19
JP2006301053A (ja) 2006-11-02

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Legal Events

Date Code Title Description
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 20060418

PG1501 Laying open of application
N231 Notification of change of applicant
PN2301 Change of applicant

Patent event date: 20100914

Comment text: Notification of Change of Applicant

Patent event code: PN23011R01D

PC1203 Withdrawal of no request for examination
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid