TW200746009A - Perfectionnements aux afficheurs bistables a cristaux liquides nematiques - Google Patents

Perfectionnements aux afficheurs bistables a cristaux liquides nematiques

Info

Publication number
TW200746009A
TW200746009A TW096109859A TW96109859A TW200746009A TW 200746009 A TW200746009 A TW 200746009A TW 096109859 A TW096109859 A TW 096109859A TW 96109859 A TW96109859 A TW 96109859A TW 200746009 A TW200746009 A TW 200746009A
Authority
TW
Taiwan
Prior art keywords
pixel
switchover
value
substrates
addressing
Prior art date
Application number
TW096109859A
Other languages
English (en)
Other versions
TWI373020B (zh
Inventor
Stephane Joly
Christophe Body
Jean-Denis Laffitte
Original Assignee
Nemoptic
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 Nemoptic filed Critical Nemoptic
Publication of TW200746009A publication Critical patent/TW200746009A/zh
Application granted granted Critical
Publication of TWI373020B publication Critical patent/TWI373020B/zh

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
    • G09G3/3629—Control of matrices with row and column drivers using a passive matrix using liquid crystals having memory effects, e.g. ferroelectric liquid crystals
    • G09G3/3637—Control of matrices with row and column drivers using a passive matrix using liquid crystals having memory effects, e.g. ferroelectric liquid crystals with intermediate tones displayed by domain size control
    • 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
    • G09G2300/0469—Details of the physics of pixel operation
    • G09G2300/0478—Details of the physics of pixel operation related to liquid crystal pixels
    • G09G2300/0482—Use of memory effects in nematic liquid crystals
    • G09G2300/0486—Cholesteric liquid crystals, including chiral-nematic liquid crystals, with transitions between focal conic, planar, and homeotropic states
    • 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
    • G09G2310/04—Partial updating 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
    • G09G2310/06—Details of flat display driving waveforms
    • 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
    • G09G2320/0209—Crosstalk reduction, i.e. to reduce direct or indirect influences of signals directed to a certain pixel of the displayed image on other pixels of said image, inclusive of influences affecting pixels in different frames or fields or sub-images which constitute a same image, e.g. left and right images of a stereoscopic display
    • 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
    • G09G2320/0233—Improving the luminance or brightness uniformity across 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
    • 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
    • G09G3/3629—Control of matrices with row and column drivers using a passive matrix using liquid crystals having memory effects, e.g. ferroelectric liquid crystals

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 Display Device Control (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal (AREA)
TW096109859A 2006-04-07 2007-03-22 Perfectionnements aux afficheurs bistables a cristaux liquides nematiques TW200746009A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0651275A FR2899712B1 (fr) 2006-04-07 2006-04-07 Perfectionnements aux afficheurs bistables a cristaux liquides nematique

Publications (2)

Publication Number Publication Date
TW200746009A true TW200746009A (en) 2007-12-16
TWI373020B TWI373020B (zh) 2012-09-21

Family

ID=37309232

Family Applications (1)

Application Number Title Priority Date Filing Date
TW096109859A TW200746009A (en) 2006-04-07 2007-03-22 Perfectionnements aux afficheurs bistables a cristaux liquides nematiques

Country Status (7)

Country Link
US (1) US8487856B2 (zh)
EP (1) EP2008265A1 (zh)
JP (1) JP2009532731A (zh)
CN (1) CN101460990B (zh)
FR (1) FR2899712B1 (zh)
TW (1) TW200746009A (zh)
WO (1) WO2007116162A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012088401A (ja) * 2010-10-15 2012-05-10 Seiko Instruments Inc 双安定液晶装置

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3074686B2 (ja) * 1989-10-12 2000-08-07 セイコーエプソン株式会社 液晶パネルの駆動方法
FR2740894B1 (fr) * 1995-11-08 1998-01-23 Centre Nat Rech Scient Dispositif d'affichage perfectionne a base de cristaux liquides et a effet bistable
FR2763145B1 (fr) * 1997-05-07 1999-07-30 Centre Nat Rech Scient Dispositif a cristaux liquides comprenant des moyens d'ancrage perfectionnes sur au moins une plaque de confinement donnant une orientation degeneree sans memoire
GB9807196D0 (en) * 1998-04-03 1998-06-03 Sharp Kk Liquid crystal device
US6812913B2 (en) * 2000-02-17 2004-11-02 Minolta Co., Ltd. Liquid crystal display driving method and liquid crystal display device
FR2808891B1 (fr) * 2000-05-12 2003-07-25 Nemoptic Dispositif bistable d'affichage en reflexion
GB0024487D0 (en) * 2000-10-05 2000-11-22 Koninkl Philips Electronics Nv Bistable chiral nematic liquid crystal display and method of driving the same
US7224417B2 (en) * 2001-05-04 2007-05-29 Nemoptic Nematic liquid crystal bistable display device with grey level
FR2835644B1 (fr) 2002-02-06 2005-04-29 Nemoptic Procede et dispositif d'adressage d'un ecran cristal liquide bistable
FR2838858B1 (fr) * 2002-04-19 2004-08-27 Nemoptic Dispositif d'affichage bistable a cristaux liquides comprenant des moyens d'adressage perfectionnes
DE60307101T2 (de) * 2002-05-29 2007-01-04 Zbd Displays Ltd., Malvern Anzeigevorrichtung mit einem material mit mindestens zwei stabilen zuständen und ansteuerverfahren dafür
EP1445645A1 (en) * 2003-02-07 2004-08-11 ZBD Displays Ltd, Liquid crystal device
FR2854980B1 (fr) * 2003-05-16 2005-07-15 Nemoptic Procede et dispositif perfectionnes d'affichage a cristal liquide nematique bistable
US7432895B2 (en) * 2003-10-02 2008-10-07 Industrial Technology Research Institute Drive for active matrix cholesteric liquid crystal display
CN100485507C (zh) * 2004-04-19 2009-05-06 友达光电股份有限公司 具有超高开口率的多重分域垂直配向象素阵列
US7352345B2 (en) * 2004-05-06 2008-04-01 Au Optronics Corporation Driving apparatus and method for light emitting diode display
US7432899B2 (en) * 2004-05-14 2008-10-07 Industrial Technology Research Institute Driving scheme for cholesteric liquid crystal display
US7999832B2 (en) * 2005-05-20 2011-08-16 Industrial Technology Research Institute Controlled gap states for liquid crystal displays

Also Published As

Publication number Publication date
WO2007116162A1 (fr) 2007-10-18
TWI373020B (zh) 2012-09-21
FR2899712A1 (fr) 2007-10-12
FR2899712B1 (fr) 2008-05-30
EP2008265A1 (fr) 2008-12-31
JP2009532731A (ja) 2009-09-10
US8487856B2 (en) 2013-07-16
CN101460990B (zh) 2012-03-14
CN101460990A (zh) 2009-06-17
US20090273549A1 (en) 2009-11-05

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees