WO1997035225A3 - Gray scale driving method for a birefringent liquid crystal display device - Google Patents

Gray scale driving method for a birefringent liquid crystal display device Download PDF

Info

Publication number
WO1997035225A3
WO1997035225A3 PCT/JP1997/000704 JP9700704W WO9735225A3 WO 1997035225 A3 WO1997035225 A3 WO 1997035225A3 JP 9700704 W JP9700704 W JP 9700704W WO 9735225 A3 WO9735225 A3 WO 9735225A3
Authority
WO
WIPO (PCT)
Prior art keywords
driving method
liquid crystal
display device
crystal display
gray scale
Prior art date
Application number
PCT/JP1997/000704
Other languages
French (fr)
Other versions
WO1997035225A2 (en
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 filed Critical
Priority to EP97906846A priority Critical patent/EP0835503B1/en
Priority to US08/945,758 priority patent/US6519013B1/en
Priority to DE69738881T priority patent/DE69738881D1/en
Publication of WO1997035225A2 publication Critical patent/WO1997035225A2/en
Publication of WO1997035225A3 publication Critical patent/WO1997035225A3/en

Links

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
    • G09G3/36—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
    • G09G3/3622—Control of matrices with row and column drivers using a passive matrix
    • 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
    • G09G3/2007—Display of intermediate tones
    • G09G3/2018—Display of intermediate tones by time modulation using two or more time intervals
    • G09G3/2022—Display of intermediate tones by time modulation using two or more time intervals using sub-frames

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

A driving method for a passive matrix LCD. The voltages to be applied to pixels are such that the voltage levels in a selection time in a PWM driving method are maintain the same level between two successive column electrodes so as to reduce crosstalk.
PCT/JP1997/000704 1996-03-07 1997-03-06 Gray scale driving method for a birefringent liquid crystal display device WO1997035225A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP97906846A EP0835503B1 (en) 1996-03-07 1997-03-06 Birefringent liquid display device
US08/945,758 US6519013B1 (en) 1996-03-07 1997-03-06 Gray scale driving method for a birefringent liquid display service
DE69738881T DE69738881D1 (en) 1996-03-07 1997-03-06 Double Breathing Liquid Crystal Display Device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP5057896 1996-03-07
JP8/50578 1996-03-07

Publications (2)

Publication Number Publication Date
WO1997035225A2 WO1997035225A2 (en) 1997-09-25
WO1997035225A3 true WO1997035225A3 (en) 1997-11-27

Family

ID=12862880

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1997/000704 WO1997035225A2 (en) 1996-03-07 1997-03-06 Gray scale driving method for a birefringent liquid crystal display device

Country Status (4)

Country Link
US (1) US6519013B1 (en)
EP (1) EP0835503B1 (en)
DE (1) DE69738881D1 (en)
WO (1) WO1997035225A2 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1166258A1 (en) * 2000-01-31 2002-01-02 Three-Five Systems, Inc. Methods and apparatus for driving a display
JP2002107768A (en) * 2000-09-29 2002-04-10 Minolta Co Ltd Liquid crystal display element
CN1202503C (en) * 2000-12-22 2005-05-18 日商·互网路股份有限公司 Liquid crystal drive apparatus and gradation display method
JP2003121813A (en) * 2001-10-18 2003-04-23 Seiko Instruments Inc Method for driving gradations of liquid crystal panel
JP4169992B2 (en) * 2002-02-27 2008-10-22 シャープ株式会社 Liquid crystal display device and driving method thereof
US6972881B1 (en) 2002-11-21 2005-12-06 Nuelight Corp. Micro-electro-mechanical switch (MEMS) display panel with on-glass column multiplexers using MEMS as mux elements
CN1729505A (en) * 2002-12-19 2006-02-01 皇家飞利浦电子股份有限公司 Liquid crystal display device with reduced power consumption in standby mode
JP2004325808A (en) * 2003-04-24 2004-11-18 Nec Lcd Technologies Ltd Liquid crystal display device and driving method therefor
KR100599770B1 (en) * 2004-05-25 2006-07-13 삼성에스디아이 주식회사 A liquid crystal display and a driving method thereof
US20070222848A1 (en) * 2006-03-22 2007-09-27 Holtek Semiconductor Inc. Method and apparatus for enhancing gray scale performance of light emitting diodes
EP1843320B1 (en) * 2006-04-04 2015-08-26 Dialog Semiconductor GmbH Combined gamma and phase table data in memory for LCD CSTN displays
TWI374417B (en) * 2006-12-22 2012-10-11 Ind Tech Res Inst Passive matrix color bistable liquid crystal display system and method for driving the same
CN101688995B (en) * 2007-12-04 2012-02-01 Lg化学株式会社 Integrated wide viewing film and in-plan switching liquid crystal display with the same
US8780301B2 (en) * 2011-10-07 2014-07-15 Japan Display West Inc. Liquid crystal display device
US10074299B2 (en) 2015-07-28 2018-09-11 Microsoft Technology Licensing, Llc Pulse width modulation for a head-mounted display device display illumination system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0349415A1 (en) * 1988-06-29 1990-01-03 Commissariat A L'energie Atomique Method and device for controlling a matrix screen displaying gray levels
WO1990011546A1 (en) * 1989-03-28 1990-10-04 Asahi Glass Company Ltd. Liquid crystal display device
EP0424030A2 (en) * 1989-10-18 1991-04-24 Matsushita Electric Industrial Co., Ltd. Method of driving a liquid crystal display
JPH0859525A (en) * 1994-08-19 1996-03-05 Asahi Glass Co Ltd Production of trans-difluoroethylene compound
WO1996023244A1 (en) * 1995-01-23 1996-08-01 Asahi Glass Company Ltd. Color liquid crystal display apparatus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0349415A1 (en) * 1988-06-29 1990-01-03 Commissariat A L'energie Atomique Method and device for controlling a matrix screen displaying gray levels
WO1990011546A1 (en) * 1989-03-28 1990-10-04 Asahi Glass Company Ltd. Liquid crystal display device
EP0424030A2 (en) * 1989-10-18 1991-04-24 Matsushita Electric Industrial Co., Ltd. Method of driving a liquid crystal display
JPH0859525A (en) * 1994-08-19 1996-03-05 Asahi Glass Co Ltd Production of trans-difluoroethylene compound
WO1996023244A1 (en) * 1995-01-23 1996-08-01 Asahi Glass Company Ltd. Color liquid crystal display apparatus

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 096, no. 007 31 July 1996 (1996-07-31) *

Also Published As

Publication number Publication date
EP0835503A2 (en) 1998-04-15
EP0835503B1 (en) 2008-08-06
WO1997035225A2 (en) 1997-09-25
US6519013B1 (en) 2003-02-11
DE69738881D1 (en) 2008-09-18

Similar Documents

Publication Publication Date Title
WO1997035225A3 (en) Gray scale driving method for a birefringent liquid crystal display device
AU667897B2 (en) Gray level addressing for LCDs
ES2109664T3 (en) A DATA EXCITING CIRCUIT FOR USE WITH AN LCD SCREEN.
EP0585466A4 (en) Method and circuit for driving liquid crystal elements, and display apparatus
EP0366117A3 (en) Liquid crystal apparatus
TW375696B (en) Display device
KR880700589A (en) Liquid crystal display
GB2320790B (en) Pixel arrangement structure, liquid crystal display device using the same and method for driving the device
EP0613116A3 (en) Method of driving a liquid crystal display device.
TW200617859A (en) Viewing-angle adjustable liquid crystal display and displaying method thereof
AU2002347519A1 (en) Transflective liquid crystal display device
EP0899713A3 (en) Column driver for an active matrix liquid crystal display
EP1577874A3 (en) Electrooptical apparatus and driving method therefor, liquid crystal display apparatus and driving method therefor, electrooptical apparatus and driving circuit therefor, and electronic equipment
KR950001348A (en) Driving Method of Liquid Crystal Display
EP0767449A3 (en) Method and circuit for driving active matrix liquid crystal panel with control of the average driving voltage
EP0621578A3 (en) Driving apparatus for liquid crystal display.
EP0651278A3 (en) Ferroelectric liquid crystal display device.
KR900005209A (en) Method for displaying gray levels on the matrix display screen
EP0508628A3 (en) Method for driving active matrix type liquid crystal display device
KR880002118A (en) Display driving device and driving method thereof
EP0598913A4 (en) Method and circuit for driving liquid crystal device, etc., and display device.
EP0536975A3 (en) Method of driving surface-stabilised ferroelectric liquid crystal display element for increasing the number of gray scales
GB2323960B (en) Driving method and driving circuit for ferroelectric liquid crystal display element
DE69411475T2 (en) Column electrode driver circuit for liquid crystal display with the ability to simultaneously apply display voltages to column electrodes as well as to sequentially apply scanning voltages to column electrodes
TW332261B (en) Liquid crystal display device

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A2

Designated state(s): US

AL Designated countries for regional patents

Kind code of ref document: A2

Designated state(s): AT BE CH DE DK ES FI FR GB GR IE IT LU MC NL PT SE

WWE Wipo information: entry into national phase

Ref document number: 08945758

Country of ref document: US

WWE Wipo information: entry into national phase

Ref document number: 1997906846

Country of ref document: EP

121 Ep: the epo has been informed by wipo that ep was designated in this application
WWP Wipo information: published in national office

Ref document number: 1997906846

Country of ref document: EP

WWG Wipo information: grant in national office

Ref document number: 1997906846

Country of ref document: EP