GB1478592A - Liquid crystal devices - Google Patents

Liquid crystal devices

Info

Publication number
GB1478592A
GB1478592A GB948974A GB948974A GB1478592A GB 1478592 A GB1478592 A GB 1478592A GB 948974 A GB948974 A GB 948974A GB 948974 A GB948974 A GB 948974A GB 1478592 A GB1478592 A GB 1478592A
Authority
GB
United Kingdom
Prior art keywords
layer
parallel
alignment
evaporation
degrees
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
Application number
GB948974A
Other languages
English (en)
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.)
Secretary of State for Defence Canada
UK Secretary of State for Defence
Original Assignee
Secretary of State for Defence Canada
UK Secretary of State for Defence
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 Secretary of State for Defence Canada, UK Secretary of State for Defence filed Critical Secretary of State for Defence Canada
Priority to GB948974A priority Critical patent/GB1478592A/en
Priority to DE19752508913 priority patent/DE2508913C2/de
Priority to CH259675A priority patent/CH575605A5/xx
Priority to JP50025534A priority patent/JPS5826006B2/ja
Priority to FR7506377A priority patent/FR2268277B2/fr
Priority to US05/768,371 priority patent/US4084884A/en
Publication of GB1478592A publication Critical patent/GB1478592A/en
Expired 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
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • 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
    • 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
    • G02F1/139—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 based on orientation effects in which the liquid crystal remains transparent
    • G02F1/1396—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 based on orientation effects in which the liquid crystal remains transparent the liquid crystal being selectively controlled between a twisted state and a non-twisted state, e.g. TN-LC cell

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Nonlinear Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
GB948974A 1974-02-21 1974-03-01 Liquid crystal devices Expired GB1478592A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB948974A GB1478592A (en) 1974-03-01 1974-03-01 Liquid crystal devices
DE19752508913 DE2508913C2 (de) 1974-03-01 1975-02-28 Flüssigkristallzelle und Verfahren zu deren Herstellung
CH259675A CH575605A5 (US06229276-20010508-P00022.png) 1974-03-01 1975-02-28
JP50025534A JPS5826006B2 (ja) 1974-03-01 1975-02-28 液晶セル
FR7506377A FR2268277B2 (US06229276-20010508-P00022.png) 1974-03-01 1975-02-28
US05/768,371 US4084884A (en) 1974-02-21 1977-02-14 Liquid crystal devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB948974A GB1478592A (en) 1974-03-01 1974-03-01 Liquid crystal devices

Publications (1)

Publication Number Publication Date
GB1478592A true GB1478592A (en) 1977-07-06

Family

ID=9872940

Family Applications (1)

Application Number Title Priority Date Filing Date
GB948974A Expired GB1478592A (en) 1974-02-21 1974-03-01 Liquid crystal devices

Country Status (5)

Country Link
JP (1) JPS5826006B2 (US06229276-20010508-P00022.png)
CH (1) CH575605A5 (US06229276-20010508-P00022.png)
DE (1) DE2508913C2 (US06229276-20010508-P00022.png)
FR (1) FR2268277B2 (US06229276-20010508-P00022.png)
GB (1) GB1478592A (US06229276-20010508-P00022.png)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4326279A (en) 1979-01-26 1982-04-20 National Research Development Corporation Analogue displays
GB2119110A (en) * 1979-05-29 1983-11-09 Texas Instruments Inc Liquid crystal display cell
EP0132377A2 (en) 1983-07-22 1985-01-30 The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Compounds containing a fluorobiphenylyl group and their use in liquid crystal materials and device
CN109648850A (zh) * 2019-01-16 2019-04-19 深圳市信维通信股份有限公司 一种3d打印喷嘴及液晶聚合物薄膜的成型方法

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5194845A (en) * 1975-02-18 1976-08-19 Ekishohyojisochino seizohoho
DE2527485C2 (de) 1975-06-20 1985-06-05 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Elektrisch steuerbares Anzeigeelement
JPS5296044A (en) * 1976-02-09 1977-08-12 Shiyunsuke Kobayashi Liquid crystal display unit
JPS52111740A (en) * 1976-03-16 1977-09-19 Oki Electric Ind Co Ltd Liquid crystal indicator
JPS5349449A (en) * 1976-10-18 1978-05-04 Seiko Instr & Electronics Ltd Liquid crystal indicator
CH611043A5 (US06229276-20010508-P00022.png) * 1977-01-21 1979-05-15 Ebauches Sa
JPS55142316A (en) * 1979-04-23 1980-11-06 Denki Onkyo Co Ltd Liquid crystal display device
JPS5651722A (en) * 1979-10-03 1981-05-09 Sanyo Electric Co Ltd Liquid crystal display device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3650603A (en) * 1967-12-05 1972-03-21 Rca Corp Liquid crystal light valve containing a mixture of nematic and cholesteric materials in which the light scattering effect is reduced when an electric field is applied
IT946051B (it) * 1970-12-04 1973-05-21 Hoffmann La Roche Cellula ottica
FR2135940A5 (US06229276-20010508-P00022.png) * 1971-02-09 1972-12-22 Int Liquid Xtal Co
JPS49123641A (US06229276-20010508-P00022.png) * 1973-03-30 1974-11-26
GB1472247A (en) * 1974-02-21 1977-05-04 Secr Defence Liquid crystal devices

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4326279A (en) 1979-01-26 1982-04-20 National Research Development Corporation Analogue displays
GB2119110A (en) * 1979-05-29 1983-11-09 Texas Instruments Inc Liquid crystal display cell
EP0132377A2 (en) 1983-07-22 1985-01-30 The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Compounds containing a fluorobiphenylyl group and their use in liquid crystal materials and device
CN109648850A (zh) * 2019-01-16 2019-04-19 深圳市信维通信股份有限公司 一种3d打印喷嘴及液晶聚合物薄膜的成型方法
CN109648850B (zh) * 2019-01-16 2023-10-17 深圳市信维通信股份有限公司 一种3d打印喷嘴及液晶聚合物薄膜的成型方法

Also Published As

Publication number Publication date
DE2508913A1 (de) 1976-01-29
JPS519856A (en) 1976-01-26
DE2508913C2 (de) 1985-08-08
FR2268277B2 (US06229276-20010508-P00022.png) 1983-04-08
FR2268277A2 (US06229276-20010508-P00022.png) 1975-11-14
CH575605A5 (US06229276-20010508-P00022.png) 1976-05-14
JPS5826006B2 (ja) 1983-05-31

Similar Documents

Publication Publication Date Title
US3912369A (en) Single polarizer reflective liquid crystal display
US3809456A (en) Liquid crystal device
KR900002114A (ko) 액정표시소자
GB1478592A (en) Liquid crystal devices
KR19980085576A (ko) 액정 표시 장치
KR900002108A (ko) 액정표시소자
GB1499453A (en) Electro-optical devices
JPH0522218B2 (US06229276-20010508-P00022.png)
GB2180949A (en) Liquid crystal apparatus
KR900002113A (ko) 액정 표시소자
KR100288766B1 (ko) 광시야각액정표시장치
JPS5588027A (en) Positive type guest-host type liquid crystal display element
KR970022417A (ko) 어카이랄(achiral)스멕틱 시(C) 액정 물질을 이용한 액정 표시 장치
JPH06208142A (ja) 液晶光偏向素子
US5784140A (en) Anti-ferroelectric liquid crystal display with twisted director and perpendicular smectic layers
KR980003721A (ko) 액정표시소자
JP3006289B2 (ja) 反強誘電性液晶表示素子
KR930016806A (ko) 강 유전성 액정소자
JPH03192217A (ja) 液晶表示装置
JPS5936245B2 (ja) ネマテイツク液晶表示セル
JPS63124030A (ja) 液晶素子
JPS6280624A (ja) 液晶表示装置
JP2548592B2 (ja) 強誘電性液晶素子
KR19990027488A (ko) 액정 표시 장치
US4779958A (en) Liquid crystal device having different natural and induced twists

Legal Events

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

Effective date: 19950227