HK201296A - Liquid crystal devices - Google Patents
Liquid crystal devicesInfo
- Publication number
- HK201296A HK201296A HK201296A HK201296A HK201296A HK 201296 A HK201296 A HK 201296A HK 201296 A HK201296 A HK 201296A HK 201296 A HK201296 A HK 201296A HK 201296 A HK201296 A HK 201296A
- Authority
- HK
- Hong Kong
- Prior art keywords
- liquid crystal
- crystal devices
- devices
- liquid
- crystal
- Prior art date
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
- G02F1/137—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
-
- 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
- G02F1/141—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 using ferroelectric 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
- C09K19/126—Compounds containing at least one asymmetric carbon atom
-
- 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
- C09K19/20—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings linked by a chain containing carbon and oxygen atoms as chain links, e.g. esters or ethers
- C09K19/2007—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings linked by a chain containing carbon and oxygen atoms as chain links, e.g. esters or ethers the chain containing -COO- or -OCO- groups
- C09K19/2021—Compounds containing at least one asymmetric carbon atom
-
- 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
-
- 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
- G02F1/133734—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by obliquely evaporated films, e.g. Si or SiO2 films
-
- 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
- G02F1/133746—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers for high pretilt angles, i.e. higher than 15 degrees
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Nonlinear Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Liquid Crystal (AREA)
- Liquid Crystal Substances (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB868608116A GB8608116D0 (en) | 1986-04-03 | 1986-04-03 | Liquid crystal devices |
PCT/GB1987/000220 WO1987006020A1 (en) | 1986-04-03 | 1987-04-01 | Liquid crystal devices |
Publications (1)
Publication Number | Publication Date |
---|---|
HK201296A true HK201296A (en) | 1996-11-15 |
Family
ID=10595595
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK201296A HK201296A (en) | 1986-04-03 | 1996-11-07 | Liquid crystal devices |
Country Status (10)
Country | Link |
---|---|
US (1) | US4997264A (xx) |
EP (1) | EP0299970B1 (xx) |
JP (2) | JP2568236B2 (xx) |
KR (1) | KR0141984B1 (xx) |
CA (1) | CA1294354C (xx) |
DE (1) | DE3788724T2 (xx) |
GB (2) | GB8608116D0 (xx) |
HK (1) | HK201296A (xx) |
MY (1) | MY102915A (xx) |
WO (1) | WO1987006020A1 (xx) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8608115D0 (en) * | 1986-04-03 | 1986-05-08 | Secr Defence | Smectic liquid crystal devices |
JP2607380B2 (ja) * | 1987-04-13 | 1997-05-07 | テクトロニックス・インコーポレイテッド | 液晶セル |
AU606456B2 (en) * | 1987-09-17 | 1991-02-07 | Canon Kabushiki Kaisha | Ferroelectric smectic liquid crystal device |
JP2681779B2 (ja) * | 1987-09-18 | 1997-11-26 | キヤノン株式会社 | 液晶セル |
US5200848A (en) * | 1987-09-17 | 1993-04-06 | Canon Kabushiki Kaisha | Ferroelectric smectic liquid crystal device |
US5422749A (en) * | 1987-09-17 | 1995-06-06 | Canon Kabushiki Kaisha | Ferroelectric smetic liquid crystal device |
GB8726996D0 (en) * | 1987-11-18 | 1987-12-23 | Secr Defence | Multiplex addressing of ferro-electric liquid crystal displays |
JPH01302226A (ja) * | 1988-05-30 | 1989-12-06 | Alps Electric Co Ltd | 強誘電液晶素子 |
US5327273A (en) * | 1989-06-29 | 1994-07-05 | Hoffmann-La Roche Inc. | Bistable ferroelectric liquid crystal display cell |
JP2645754B2 (ja) * | 1989-10-26 | 1997-08-25 | キヤノン株式会社 | 液晶素子 |
US5646704A (en) * | 1989-10-26 | 1997-07-08 | Canon Kabushiki Kaisha | Chiral smectic liquid crystal device having predetermined pre-tilt angle and intersection angle |
GB9002105D0 (en) * | 1990-01-31 | 1990-03-28 | Stc Plc | Ferro electric liquid crystal cells |
JP2982330B2 (ja) * | 1990-04-28 | 1999-11-22 | ソニー株式会社 | 液晶表示素子 |
GB9127316D0 (en) * | 1991-12-23 | 1992-02-19 | Secr Defence | Ferroelectric liquid crystal display device(improved contrast) |
DE69320073T2 (de) * | 1992-01-24 | 1999-02-25 | Canon K.K., Tokio/Tokyo | Verfahren zur Behandlung einer chiralen smektischen Flüssigkristallvorrichtung |
US5539553A (en) * | 1993-04-09 | 1996-07-23 | Canon Kabushiki Kaisha | Liquid crystal device with an electrically neutral interface between the liquid crystal and orientation layer |
US5760860A (en) * | 1994-02-25 | 1998-06-02 | The Secretary Of State For Defense In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland | Electro-optic scattering type devices with color polariser for switchable color |
US5933128A (en) * | 1995-05-17 | 1999-08-03 | Canon Kabushiki Kaisha | Chiral smectic liquid crystal apparatus and driving method therefor |
GB9604461D0 (en) * | 1996-03-01 | 1996-05-01 | Secr Defence | Alignment of ferroelectric liquid crystal displays |
EP1046078B1 (en) * | 1997-10-08 | 2004-05-12 | Hewlett-Packard Company, A Delaware Corporation | Liquid crystal device alignment and method of making such a device |
US5907380A (en) * | 1997-10-30 | 1999-05-25 | International Business Machines Corporation | Liquid crystal cell employing thin wall for pre-tilt control |
JP2001249364A (ja) * | 1999-12-28 | 2001-09-14 | Canon Inc | 液晶素子の製造方法 |
GB2415703A (en) * | 2004-07-02 | 2006-01-04 | Hewlett Packard Development Co | Liquid crystal display device |
WO2006123803A1 (en) * | 2005-05-19 | 2006-11-23 | Canon Kabushiki Kaisha | Liquid crystal display device |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2353906B1 (de) * | 1973-10-27 | 1974-11-14 | Halbach & Braun | Einkettenkratzerfoerderer |
GB1454296A (en) * | 1973-12-03 | 1976-11-03 | Secr Defence | Production of liquid crystal devices |
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 |
US4291948A (en) * | 1977-11-10 | 1981-09-29 | International Standard Electric Corporation | Liquid crystal display incorporating positive and negative smectic material |
US4394069A (en) * | 1979-06-05 | 1983-07-19 | Beckman Instruments, Inc. | Liquid crystal tuned birefringent filter |
US4563059A (en) * | 1983-01-10 | 1986-01-07 | Clark Noel A | Surface stabilized ferroelectric liquid crystal devices |
JPS58173718A (ja) * | 1982-04-07 | 1983-10-12 | Hitachi Ltd | 液晶光変調素子およびその製造方法 |
JPH0629919B2 (ja) * | 1982-04-16 | 1994-04-20 | 株式会社日立製作所 | 液晶素子の駆動方法 |
JPS59129837A (ja) * | 1983-01-14 | 1984-07-26 | Canon Inc | 時分割電圧印加方法及び装置 |
JPS60220316A (ja) * | 1984-04-16 | 1985-11-05 | Canon Inc | 液晶光学素子 |
US4634228A (en) * | 1984-05-01 | 1987-01-06 | Hitachi, Ltd. | Ferroelectric liquid crystal cell with rubbed polyimide alignment layer |
JPS6143A (ja) * | 1984-06-11 | 1986-01-06 | Chisso Corp | 強誘電性液晶化合物及び液晶組成物 |
GB2163273B (en) * | 1984-07-13 | 1987-12-09 | Canon Kk | Liquid crystal device |
JPS6167829A (ja) * | 1984-09-11 | 1986-04-08 | Canon Inc | カイラルスメクティック液晶素子 |
JPS6167832A (ja) * | 1984-09-12 | 1986-04-08 | Canon Inc | 液晶素子 |
GB2166256B (en) * | 1984-10-25 | 1988-06-08 | Stc Plc | Ferroelectric liquid crystal display cells |
ATE74674T1 (de) * | 1984-11-14 | 1992-04-15 | Northern Telecom Ltd | Zweidimensionales optisches informationsverarbeitungsgeraet. |
US4664480A (en) * | 1985-04-26 | 1987-05-12 | American Telephone And Telegraph Company, At&T Bell Laboratories | Alignment technique for liquid crystal devices |
US4615586A (en) * | 1985-04-26 | 1986-10-07 | At&T Bell Laboratories | Liquid crystal devices |
US4707078A (en) * | 1985-04-26 | 1987-11-17 | American Telephone And Telegraph Company, At&T Bell Laboratories | Ferroelectric liquid crystal devices using field-stabilized states |
JPS62160426A (ja) * | 1986-01-08 | 1987-07-16 | Sharp Corp | 液晶表示素子 |
JPS62192724A (ja) * | 1986-02-20 | 1987-08-24 | Toshiba Corp | 強誘電性液晶素子及びその製造方法 |
US4879059A (en) * | 1986-09-02 | 1989-11-07 | Canon Kabushiki Kaisha | Liquid crystal device |
-
1986
- 1986-04-03 GB GB868608116A patent/GB8608116D0/en active Pending
-
1987
- 1987-04-01 JP JP62502170A patent/JP2568236B2/ja not_active Expired - Fee Related
- 1987-04-01 WO PCT/GB1987/000220 patent/WO1987006020A1/en active IP Right Grant
- 1987-04-01 KR KR1019870701132A patent/KR0141984B1/ko not_active IP Right Cessation
- 1987-04-01 EP EP87902580A patent/EP0299970B1/en not_active Expired - Lifetime
- 1987-04-01 DE DE3788724T patent/DE3788724T2/de not_active Expired - Fee Related
- 1987-04-02 CA CA000533701A patent/CA1294354C/en not_active Expired - Lifetime
- 1987-09-29 MY MYPI87002130A patent/MY102915A/en unknown
-
1988
- 1988-10-03 GB GB8823165A patent/GB2210469B/en not_active Expired - Lifetime
- 1988-12-01 US US07/279,554 patent/US4997264A/en not_active Expired - Lifetime
-
1994
- 1994-12-07 JP JP6335193A patent/JP2562569B2/ja not_active Expired - Fee Related
-
1996
- 1996-11-07 HK HK201296A patent/HK201296A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
WO1987006020A1 (en) | 1987-10-08 |
JPH01501174A (ja) | 1989-04-20 |
EP0299970A1 (en) | 1989-01-25 |
JPH07209676A (ja) | 1995-08-11 |
GB8608116D0 (en) | 1986-05-08 |
MY102915A (en) | 1993-03-31 |
KR0141984B1 (ko) | 1998-06-15 |
JP2568236B2 (ja) | 1996-12-25 |
GB2210469A (en) | 1989-06-07 |
EP0299970B1 (en) | 1994-01-05 |
GB8823165D0 (en) | 1988-11-30 |
DE3788724D1 (de) | 1994-02-17 |
KR880701395A (ko) | 1988-07-26 |
CA1294354C (en) | 1992-01-14 |
JP2562569B2 (ja) | 1996-12-11 |
US4997264A (en) | 1991-03-05 |
GB2210469B (en) | 1990-03-28 |
DE3788724T2 (de) | 1994-05-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |