IT1286331B1 - Metodo di comando con tensioni ridotte di un pannello matriciale a cristallo liquido ferrroelettrico - Google Patents

Metodo di comando con tensioni ridotte di un pannello matriciale a cristallo liquido ferrroelettrico

Info

Publication number
IT1286331B1
IT1286331B1 IT96RM000661A ITRM960661A IT1286331B1 IT 1286331 B1 IT1286331 B1 IT 1286331B1 IT 96RM000661 A IT96RM000661 A IT 96RM000661A IT RM960661 A ITRM960661 A IT RM960661A IT 1286331 B1 IT1286331 B1 IT 1286331B1
Authority
IT
Italy
Prior art keywords
matrical
panel
liquid crystal
control method
low voltage
Prior art date
Application number
IT96RM000661A
Other languages
English (en)
Inventor
Paolo Maltese
Original Assignee
Univ Roma
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 Univ Roma filed Critical Univ Roma
Priority to IT96RM000661A priority Critical patent/IT1286331B1/it
Priority to PCT/IT1997/000232 priority patent/WO1998013815A1/en
Priority to EP97945078A priority patent/EP0928478A1/en
Priority to US09/269,308 priority patent/US6388650B1/en
Priority to AU46369/97A priority patent/AU4636997A/en
Priority to CN97199451.XA priority patent/CN1236465A/zh
Publication of ITRM960661A1 publication Critical patent/ITRM960661A1/it
Application granted granted Critical
Publication of IT1286331B1 publication Critical patent/IT1286331B1/it

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
    • 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

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)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal (AREA)
IT96RM000661A 1996-09-27 1996-09-27 Metodo di comando con tensioni ridotte di un pannello matriciale a cristallo liquido ferrroelettrico IT1286331B1 (it)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IT96RM000661A IT1286331B1 (it) 1996-09-27 1996-09-27 Metodo di comando con tensioni ridotte di un pannello matriciale a cristallo liquido ferrroelettrico
PCT/IT1997/000232 WO1998013815A1 (en) 1996-09-27 1997-09-25 A low voltage control method for a ferroelectric liquid crystal matrix display panel
EP97945078A EP0928478A1 (en) 1996-09-27 1997-09-25 A low voltage control method for a ferroelectric liquid crystal matrix display panel
US09/269,308 US6388650B1 (en) 1996-09-27 1997-09-25 Low voltage control method for a ferroelectric liquid crystal matrix display panel
AU46369/97A AU4636997A (en) 1996-09-27 1997-09-25 A low voltage control method for a ferroelectric liquid crystal matrix display panel
CN97199451.XA CN1236465A (zh) 1996-09-27 1997-09-25 铁电液晶矩阵显示屏的低压控制方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT96RM000661A IT1286331B1 (it) 1996-09-27 1996-09-27 Metodo di comando con tensioni ridotte di un pannello matriciale a cristallo liquido ferrroelettrico

Publications (2)

Publication Number Publication Date
ITRM960661A1 ITRM960661A1 (it) 1998-03-27
IT1286331B1 true IT1286331B1 (it) 1998-07-08

Family

ID=11404443

Family Applications (1)

Application Number Title Priority Date Filing Date
IT96RM000661A IT1286331B1 (it) 1996-09-27 1996-09-27 Metodo di comando con tensioni ridotte di un pannello matriciale a cristallo liquido ferrroelettrico

Country Status (6)

Country Link
US (1) US6388650B1 (it)
EP (1) EP0928478A1 (it)
CN (1) CN1236465A (it)
AU (1) AU4636997A (it)
IT (1) IT1286331B1 (it)
WO (1) WO1998013815A1 (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7116287B2 (en) * 2001-05-09 2006-10-03 Eastman Kodak Company Drive for cholesteric liquid crystal displays
US6987501B2 (en) * 2001-09-27 2006-01-17 Citizen Watch Co., Ltd. Ferroelectric liquid crystal apparatus and method for driving the same
US11126040B2 (en) * 2012-09-30 2021-09-21 Optica Amuka (A.A.) Ltd. Electrically-tunable lenses and lens systems
CN106662680B (zh) 2014-06-05 2019-12-20 奥普蒂卡阿姆卡(艾阿)有限公司 动态透镜的控制
EP3446176B1 (en) 2016-04-17 2021-11-24 Optica Amuka (A.A.) Ltd. Spectacle lens comprising a liquid crystal lens with enhanced electrical drive
US11360330B2 (en) 2016-06-16 2022-06-14 Optica Amuka (A.A.) Ltd. Tunable lenses for spectacles
US11953764B2 (en) 2017-07-10 2024-04-09 Optica Amuka (A.A.) Ltd. Tunable lenses with enhanced performance features
WO2019012385A1 (en) 2017-07-10 2019-01-17 Optica Amuka (A.A.) Ltd. SYSTEMS OF VIRTUAL REALITY AND INCREASED REALITY WITH DYNAMIC VISION CORRECTION
US11556012B2 (en) 2017-10-16 2023-01-17 Optica Amuka (A.A.) Ltd. Spectacles with electrically-tunable lenses controllable by an external system
EP3977199A4 (en) 2019-06-02 2023-06-14 Optica Amuka (A.A.) Ltd. ELECTRICALLY ADJUSTABLE EYE AID FOR THE TREATMENT OF MYOPIA

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5559620A (en) * 1992-03-05 1996-09-24 Casio Computer Co., Ltd. Anti-ferroelectric liquid crystal display device with intersecting alignment film directions
US5631752A (en) * 1992-12-24 1997-05-20 Casio Computer Co., Ltd. Antiferroelectric liquid crystal display element exhibiting a precursor tilt phenomenon
IT1262399B (it) 1993-08-20 1996-06-19 Univ Roma Metodo di comando di un pannello matriciale a cristallo liquido ferroelettrico.
DE69430566T2 (de) * 1993-12-28 2002-08-29 Shimadzu Corp., Kyoto Lichtmodulator mit dicher Flüssigkristallzelle
JPH0854605A (ja) * 1994-08-15 1996-02-27 Citizen Watch Co Ltd 反強誘電性液晶ディスプレイの駆動方法
JP3196998B2 (ja) * 1995-04-24 2001-08-06 シャープ株式会社 液晶表示装置

Also Published As

Publication number Publication date
CN1236465A (zh) 1999-11-24
ITRM960661A1 (it) 1998-03-27
AU4636997A (en) 1998-04-17
US6388650B1 (en) 2002-05-14
EP0928478A1 (en) 1999-07-14
WO1998013815A1 (en) 1998-04-02
US20020044125A1 (en) 2002-04-18

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Legal Events

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