GB2341714B - Active matrix liquid crystal display - Google Patents

Active matrix liquid crystal display

Info

Publication number
GB2341714B
GB2341714B GB9922112A GB9922112A GB2341714B GB 2341714 B GB2341714 B GB 2341714B GB 9922112 A GB9922112 A GB 9922112A GB 9922112 A GB9922112 A GB 9922112A GB 2341714 B GB2341714 B GB 2341714B
Authority
GB
United Kingdom
Prior art keywords
liquid crystal
crystal display
active matrix
matrix liquid
active
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 - Lifetime
Application number
GB9922112A
Other versions
GB9922112D0 (en
GB2341714A (en
Inventor
Hyun Chang Lee
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.)
LG Display Co Ltd
Original Assignee
LG Philips LCD 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 LG Philips LCD Co Ltd filed Critical LG Philips LCD Co Ltd
Publication of GB9922112D0 publication Critical patent/GB9922112D0/en
Publication of GB2341714A publication Critical patent/GB2341714A/en
Application granted granted Critical
Publication of GB2341714B publication Critical patent/GB2341714B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G09G3/3696—Generation of voltages supplied to electrode drivers
    • 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
    • G09G3/3674—Details of drivers for scan electrodes
    • G09G3/3677—Details of drivers for scan electrodes suitable for active matrices only
    • 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
    • G09G2310/0264—Details of driving circuits
    • G09G2310/0289—Details of voltage level shifters arranged for use in a driving circuit
    • 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
    • G09G2310/066—Waveforms comprising a gently increasing or decreasing portion, e.g. ramp
    • 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
    • G09G2320/0219—Reducing feedthrough effects in active matrix panels, i.e. voltage changes on the scan electrode influencing the pixel voltage due to capacitive coupling
    • 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
    • G09G2320/0223—Compensation for problems related to R-C delay and attenuation in electrodes of matrix panels, e.g. in gate electrodes or on-substrate video signal electrodes
    • 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
    • G09G2320/0247—Flicker reduction other than flicker reduction circuits used for single beam cathode-ray tubes
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/16—Modifications for eliminating interference voltages or currents
    • H03K17/161—Modifications for eliminating interference voltages or currents in field-effect transistor switches
    • H03K17/162—Modifications for eliminating interference voltages or currents in field-effect transistor switches without feedback from the output circuit to the control circuit
    • H03K17/163—Soft switching
    • H03K17/164—Soft switching using parallel switching arrangements

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Nonlinear Science (AREA)
  • Liquid Crystal (AREA)
  • Mathematical Physics (AREA)
  • Optics & Photonics (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)
GB9922112A 1998-09-19 1999-09-17 Active matrix liquid crystal display Expired - Lifetime GB2341714B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR19980038842 1998-09-19
KR1019990029144A KR100700415B1 (en) 1998-09-19 1999-07-19 Active Matrix Liquid Crystal Display

Publications (3)

Publication Number Publication Date
GB9922112D0 GB9922112D0 (en) 1999-11-17
GB2341714A GB2341714A (en) 2000-03-22
GB2341714B true GB2341714B (en) 2000-11-29

Family

ID=26634133

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9922112A Expired - Lifetime GB2341714B (en) 1998-09-19 1999-09-17 Active matrix liquid crystal display

Country Status (5)

Country Link
JP (2) JP4259691B2 (en)
KR (1) KR100700415B1 (en)
DE (1) DE19944724B4 (en)
FR (1) FR2783629B1 (en)
GB (1) GB2341714B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104424906A (en) * 2013-09-10 2015-03-18 群创光电股份有限公司 Partial scanning gate driver and liquid crystal display using the same

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JP2001272654A (en) 2000-03-28 2001-10-05 Sanyo Electric Co Ltd Active matrix type liquid crystal display device
KR20020057039A (en) * 2000-12-30 2002-07-11 주식회사 현대 디스플레이 테크놀로지 Liquid crystal display device and driving method thereof
KR100799375B1 (en) * 2001-10-10 2008-01-31 엘지.필립스 엘시디 주식회사 Liquid crystal display device
US7050036B2 (en) * 2001-12-12 2006-05-23 Lg.Philips Lcd Co., Ltd. Shift register with a built in level shifter
KR100864921B1 (en) 2002-01-14 2008-10-22 엘지디스플레이 주식회사 Apparatus and method for transfering data
JP3659250B2 (en) * 2002-07-11 2005-06-15 セイコーエプソン株式会社 Electro-optical device, driving device for electro-optical device, driving method for electro-optical device, and electronic apparatus
CN100412630C (en) * 2002-07-11 2008-08-20 精工爱普生株式会社 Electrooptical apparatus, driving device and method for electrooptical apparatus, and electronic equipment
KR100895305B1 (en) * 2002-09-17 2009-05-07 삼성전자주식회사 Liquid crystal display and driving method thereof
US8179385B2 (en) 2002-09-17 2012-05-15 Samsung Electronics Co., Ltd. Liquid crystal display
KR100898787B1 (en) * 2002-11-11 2009-05-20 엘지디스플레이 주식회사 Liquid crystal display and driving method thereof
JP4200759B2 (en) 2002-12-27 2008-12-24 セイコーエプソン株式会社 Active matrix liquid crystal display device
KR100922788B1 (en) * 2003-02-19 2009-10-21 엘지디스플레이 주식회사 Liquid Crystal Display and Driving Method Thereof
JP2004341353A (en) * 2003-05-16 2004-12-02 Toshiba Matsushita Display Technology Co Ltd Active matrix type display device
TWI251183B (en) * 2003-05-16 2006-03-11 Toshiba Matsushita Display Tec Active matrix display device
KR100969625B1 (en) * 2003-10-07 2010-07-14 엘지디스플레이 주식회사 Scan voltage generation apparatus and liquid crystal display using the same
KR101007684B1 (en) * 2003-12-11 2011-01-13 엘지디스플레이 주식회사 Liquid crystal display and driving method thereof
JP4938253B2 (en) * 2004-10-01 2012-05-23 ローム株式会社 Power supply circuit, display device and portable device
JP4297103B2 (en) 2005-02-17 2009-07-15 セイコーエプソン株式会社 ELECTRO-OPTICAL DEVICE, MANUFACTURING METHOD THEREOF, AND ELECTRONIC DEVICE
KR101146382B1 (en) 2005-06-28 2012-05-17 엘지디스플레이 주식회사 Apparatus And Method For Controlling Gate Voltage Of Liquid Crystal Display
JP2007052291A (en) * 2005-08-18 2007-03-01 Sony Corp Display device
CN101300619B (en) 2005-11-04 2010-11-17 夏普株式会社 Display device
KR101209043B1 (en) 2006-01-26 2012-12-06 삼성디스플레이 주식회사 Driving apparatus for display device and display device including the same
KR101232051B1 (en) * 2006-06-29 2013-02-12 엘지디스플레이 주식회사 Circuit for generating gate pulse modulation signal
KR101318005B1 (en) * 2006-11-23 2013-10-14 엘지디스플레이 주식회사 Liquid Crystal Display Device with a Function of Modulating Gate Scanning Signals according to Panel
KR101289943B1 (en) * 2006-12-29 2013-07-26 엘지디스플레이 주식회사 Liquid crystal display device and driving method thereof
JP2008197279A (en) * 2007-02-09 2008-08-28 Eastman Kodak Co Active matrix display device
CN101312016B (en) 2007-05-22 2010-05-26 北京京东方光电科技有限公司 Multilevel electrical level drive apparatus
JP5206594B2 (en) 2009-06-05 2013-06-12 富士通セミコンダクター株式会社 Voltage adjusting circuit and display device driving circuit
KR101605435B1 (en) 2009-12-14 2016-03-23 삼성디스플레이 주식회사 Display panel
KR101117738B1 (en) 2010-03-10 2012-02-27 삼성모바일디스플레이주식회사 Display device
US8519934B2 (en) 2010-04-09 2013-08-27 Au Optronics Corporation Linear control output for gate driver
KR102175790B1 (en) * 2014-06-30 2020-11-09 엘지디스플레이 주식회사 Driving circuit for liquid crystal display device and method for driving the same
DE202014007117U1 (en) 2014-09-05 2015-12-09 Oerlikon Leybold Vacuum Gmbh claw pump

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EP0657864A1 (en) * 1993-06-25 1995-06-14 Hosiden Corporation Method of ac-driving liquid crystal display, and the same using the method
EP0780825A1 (en) * 1995-12-20 1997-06-25 Denso Corporation Liquid crystal display device with matrix electrode structure with reduced flicker
US5764225A (en) * 1995-01-13 1998-06-09 Nippondenso Co., Ltd. Liquid crystal display with two separate power sources for the scan and signal drive circuits

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EP0657864A1 (en) * 1993-06-25 1995-06-14 Hosiden Corporation Method of ac-driving liquid crystal display, and the same using the method
US5764225A (en) * 1995-01-13 1998-06-09 Nippondenso Co., Ltd. Liquid crystal display with two separate power sources for the scan and signal drive circuits
EP0780825A1 (en) * 1995-12-20 1997-06-25 Denso Corporation Liquid crystal display device with matrix electrode structure with reduced flicker

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104424906A (en) * 2013-09-10 2015-03-18 群创光电股份有限公司 Partial scanning gate driver and liquid crystal display using the same

Also Published As

Publication number Publication date
FR2783629B1 (en) 2004-03-05
FR2783629A1 (en) 2000-03-24
JP4259691B2 (en) 2009-04-30
GB9922112D0 (en) 1999-11-17
KR20000022668A (en) 2000-04-25
JP2000137247A (en) 2000-05-16
JP2007304613A (en) 2007-11-22
JP4764856B2 (en) 2011-09-07
KR100700415B1 (en) 2007-03-27
DE19944724B4 (en) 2012-07-26
DE19944724A1 (en) 2000-08-03
GB2341714A (en) 2000-03-22

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20190916