IT1202798B - Cella di visualizzazione a cristalli liquidi a elettrodi interni - Google Patents

Cella di visualizzazione a cristalli liquidi a elettrodi interni

Info

Publication number
IT1202798B
IT1202798B IT29607/78A IT2960778A IT1202798B IT 1202798 B IT1202798 B IT 1202798B IT 29607/78 A IT29607/78 A IT 29607/78A IT 2960778 A IT2960778 A IT 2960778A IT 1202798 B IT1202798 B IT 1202798B
Authority
IT
Italy
Prior art keywords
liquid crystal
crystal display
internal electrodes
display cell
cell
Prior art date
Application number
IT29607/78A
Other languages
English (en)
Other versions
IT7829607A0 (it
Original Assignee
Int Standard Electric Corp
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
Priority claimed from GB4681977A external-priority patent/GB1569686A/en
Priority claimed from GB4682077A external-priority patent/GB1569687A/en
Priority claimed from GB4682177A external-priority patent/GB1569688A/en
Application filed by Int Standard Electric Corp filed Critical Int Standard Electric Corp
Publication of IT7829607A0 publication Critical patent/IT7829607A0/it
Application granted granted Critical
Publication of IT1202798B publication Critical patent/IT1202798B/it

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
    • G02F1/132—Thermal activation of liquid crystals exhibiting a thermo-optic effect
    • 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
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • 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
    • G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
    • G02F1/13781—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering using smectic liquid crystals
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/06—Non-steroidal liquid crystal compounds
    • C09K19/08—Non-steroidal liquid crystal compounds containing at least two non-condensed rings
    • C09K19/10—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings
    • C09K19/12—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings at least two benzene rings directly linked, e.g. biphenyls
    • C09K2019/121—Compounds containing phenylene-1,4-diyl (-Ph-)
    • C09K2019/122—Ph-Ph
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/52—Liquid crystal materials characterised by components which are not liquid crystals, e.g. additives with special physical aspect: solvents, solid particles
    • C09K2019/528—Surfactants

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Substances (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
IT29607/78A 1977-11-10 1978-11-09 Cella di visualizzazione a cristalli liquidi a elettrodi interni IT1202798B (it)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB4681977A GB1569686A (en) 1977-11-10 1977-11-10 Smectic display cell
GB4682077A GB1569687A (en) 1977-11-10 1977-11-10 Smectic display cell
GB4682177A GB1569688A (en) 1977-11-10 1977-11-10 Smectic display cell

Publications (2)

Publication Number Publication Date
IT7829607A0 IT7829607A0 (it) 1978-11-09
IT1202798B true IT1202798B (it) 1989-02-09

Family

ID=27259970

Family Applications (1)

Application Number Title Priority Date Filing Date
IT29607/78A IT1202798B (it) 1977-11-10 1978-11-09 Cella di visualizzazione a cristalli liquidi a elettrodi interni

Country Status (3)

Country Link
US (1) US4291948A (it)
JP (1) JPS5952406B2 (it)
IT (1) IT1202798B (it)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4702561A (en) * 1977-04-11 1987-10-27 Minnesota Mining And Manufacturing Company Pleochroic dyes and electro-optical displays therewith
JPS54153053A (en) * 1978-05-22 1979-12-01 Nec Corp Liquid crystal cell and driving method thereof
GB2091753B (en) * 1981-01-23 1984-08-22 Standard Telephones Cables Ltd Use of 1,4-b15 (hydrocarbylamino) anthraquinos as dyes in the smetic layers of a liquid crystal cell
US4514045A (en) * 1981-06-22 1985-04-30 Minnesota Mining And Manufacturing Company Helichromic-smectic liquid crystal compositions and display cells
JPS5887535A (ja) * 1981-11-20 1983-05-25 Sony Corp 液晶表示装置
JPS58159581A (ja) * 1982-03-17 1983-09-21 アルプス電気株式会社 カラ−液晶表示装置
EP0106386A3 (de) * 1982-09-23 1985-03-13 BBC Brown Boveri AG Verfahren zur Ansteuerung einer multiplexierbaren, bistabilen Flüssigkristallanzeige
US4530572A (en) * 1982-12-30 1985-07-23 Minnesota Mining And Manufacturing Company Substituted anthraquinone-type isotropic dyes for liquid crystal display devices
US4561726A (en) * 1983-07-29 1985-12-31 At&T Bell Laboratories Alignment of ferroelectric LCDs
JPS60501132A (ja) * 1983-08-17 1985-07-18 クリスタルビジヨン・インコ−ポレイテツド 液晶表示装置
GB8324642D0 (en) * 1983-09-14 1983-10-19 Univ Manchester Liquid crystal storage device
US4585310A (en) * 1983-12-12 1986-04-29 International Business Machines Corporation Alignment layer orientation in raster scan thermally addressed smectic liquid crystal displays
JPS60188925A (ja) * 1984-03-09 1985-09-26 Canon Inc 光学変調素子の製造法
US4617646A (en) * 1984-06-29 1986-10-14 International Business Machines Corporation Electric field gradient excited liquid crystal cell having bistability
US4820026A (en) * 1986-03-20 1989-04-11 Canon Kabushiki Kaisha Ferroelectric liquid crystal device with modified polyvinyl alcohol alignment film
GB8608116D0 (en) * 1986-04-03 1986-05-08 Secr Defence Liquid crystal devices
CA1294954C (en) * 1986-12-26 1992-01-28 Masakatsu Nakatsuka Optically active naphthalene derivatives
GB8807090D0 (en) * 1988-03-24 1988-04-27 Secr Defence Liquid crystal colour display
KR100218983B1 (ko) * 1995-10-24 1999-09-01 손욱 어카이랄스멕틱 시 액정 물질을 이용한 액정 표시 장치
JP3452755B2 (ja) * 1997-04-07 2003-09-29 シャープ株式会社 液晶表示装置
JP2004045784A (ja) * 2002-07-12 2004-02-12 Sony Corp 液晶パネルおよびその製造方法
JP5771682B2 (ja) 2010-03-15 2015-09-02 ケンブリッジ・エンタープライズ・リミテッドＣａｍｂｒｉｄｇｅ Ｅｎｔｅｒｐｒｉｓｅ Ｌｉｍｉｔｅｄ スメクチックａ光学素子のための液晶配合および構造
GB201100375D0 (en) 2011-01-10 2011-02-23 Cambridge Entpr Ltd Smectic A compositions for use in electrical devices
PL240079B1 (pl) 2017-10-31 2022-02-14 Wojskowa Akad Tech Smektyczna mieszanina ciekłokrystaliczna domieszkowana związkami jonowymi, sposób jej otrzymywania oraz jej zastosowanie

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3775757A (en) * 1971-11-17 1973-11-27 Int Liquid Xtal Co Liquid crystal memory, system utilizing the memory and methods of constructing and operating such a memory
US3796999A (en) * 1972-10-19 1974-03-12 Bell Telephone Labor Inc Locally erasable thermo-optic smectic liquid crystal storage displays
JPS5328102B2 (it) * 1973-04-16 1978-08-12
DD105701A1 (it) * 1973-07-02 1974-05-05
US3960751A (en) * 1973-09-19 1976-06-01 Matsushita Electric Industrial Co., Ltd. Electro-optical display element
US4009934A (en) * 1974-01-11 1977-03-01 Eastman Kodak Company Electro-optic display devices and methods
US4084884A (en) * 1974-02-21 1978-04-18 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Liquid crystal devices
FR2275087A1 (fr) * 1974-06-14 1976-01-09 Thomson Csf Dispositif de reproduction d'images en noir et blanc utilisant un materiau presentant une phase smectique et systeme de teletransmission et telereprographie mettant en oeuvre ce dispositif
FR2284237A1 (fr) * 1974-09-06 1976-04-02 Thomson Csf Dispositif de teleprojection et de telereprographie d'images en couleurs
JPS5175540A (ja) * 1974-12-26 1976-06-30 Suwa Seikosha Kk Ekishohyojisochi
US4145114A (en) * 1975-06-17 1979-03-20 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Pleochroic dyes
GB1506256A (en) * 1975-08-21 1978-04-05 Standard Telephones Cables Ltd Temperature sensitive switch
GB1557199A (en) * 1976-01-06 1979-12-05 Standard Telephones Cables Ltd Liquid crystal display cells
GB1543599A (en) * 1976-05-04 1979-04-04 Standard Telephones Cables Ltd Liquid crystal cell
US4148805A (en) * 1976-06-01 1979-04-10 Ciba-Geigy Ag Naphtholactam dyestuffs
US4113647A (en) * 1976-08-13 1978-09-12 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Liquid crystalline materials
GB1587819A (en) * 1976-08-13 1981-04-08 Secr Defence Aromatic diester liquid crystal materials
GB1596012A (en) * 1976-08-16 1981-08-19 Secr Defence Optically active liquid crystal materials and liquid crystal devices containing them
GB1576106A (en) * 1976-11-25 1980-10-01 Secr Defence Temperature compensated liquid crystal devices
FR2373076A1 (fr) * 1976-12-03 1978-06-30 Thomson Csf Cellule a cristal liquide
JPS6045406B2 (ja) * 1977-05-24 1985-10-09 日本電気株式会社 投射型液晶表示装置
US4128313A (en) * 1977-08-18 1978-12-05 General Electric Company Liquid crystal display with dark characters on light background
DE2862064D1 (en) * 1977-10-14 1982-11-25 Bdh Chemicals Ltd Pleochroic dyes suitable for use in solution with liquid crystal materials for electro-optic device applications
GB2009219B (en) * 1977-11-02 1982-04-28 Secr Defence Liquid ctystal material mixtures and devices incorporating such mixtures
GB1549584A (en) 1978-03-02 1979-08-08 Standard Telephones Cables Ltd Temperature responsive device

Also Published As

Publication number Publication date
JPS5952406B2 (ja) 1984-12-19
IT7829607A0 (it) 1978-11-09
JPS5476246A (en) 1979-06-18
US4291948A (en) 1981-09-29

Similar Documents

Publication Publication Date Title
IT1202798B (it) Cella di visualizzazione a cristalli liquidi a elettrodi interni
DE3050086A1 (de) Mechanically multistable liquid crystal cell
AU2059076A (en) Liquid crystal display cells
IT1022785B (it) Cella e dispositivo di visualizzazione a cristalli liquid
GB2052125B (en) Liquid crystal display with multi-planar electrodes
CH622665GA3 (de) Matrix-fluessigkristall-anzeigetafel.
FR2334152A1 (fr) Calculatrice a affichage par cristaux liquides
ATA445878A (de) Fluessigkristallzelle
GB1543599A (en) Liquid crystal cell
GB2016728B (en) Liquid crystal display cell
IT1097681B (it) Cella a cristallo liquido con elettrodo a contatto passante e procedimento per fabbricare detta cella
IT1114122B (it) Procedimento per la produzione di celle a cristalli liquidi ad allineamento prefissato
JPS5573024A (en) Liquid crystal display cell
AT356190B (de) Fluessigkristallanzeige
FR2344617A1 (fr) Dielectrique a cristaux liquides
GB2024444B (en) Liquid crystal display cell
AT358108B (de) Fluessigkristallanzeige
AT361549B (de) Fluessigkristallanzeige
ATA250974A (de) Flussigkristall-anzeigeschirm (-zelle)
SE7801775L (sv) Anordning med en ljusventil serskilt en vetskekristallcell
ATA577577A (de) Fluessigkristall-anzeigevorrichtung
JPS5323649A (en) Liquid crystal display cell
NL7810858A (nl) Vloeibaarkristal weergavecel.
IT1037376B (it) Cella a cristalli liquidi
JPS5317750A (en) Liquid crystal display cell