WO2007122409A1 - Liquid crystal devices - Google Patents
Liquid crystal devices Download PDFInfo
- Publication number
- WO2007122409A1 WO2007122409A1 PCT/GB2007/001488 GB2007001488W WO2007122409A1 WO 2007122409 A1 WO2007122409 A1 WO 2007122409A1 GB 2007001488 W GB2007001488 W GB 2007001488W WO 2007122409 A1 WO2007122409 A1 WO 2007122409A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cell
- anisotropic particles
- liquid crystal
- conductive member
- member disposed
- 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
- G02F1/13725—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 guest-host interaction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y20/00—Nanooptics, e.g. quantum optics or photonic crystals
-
- 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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/18—Phase-shifters
- H01P1/19—Phase-shifters using a ferromagnetic device
-
- 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
- G02F2202/00—Materials and properties
- G02F2202/36—Micro- or nanomaterials
-
- 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
- G02F2203/00—Function characteristic
- G02F2203/13—Function characteristic involving THZ radiation
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009507146A JP2009534974A (en) | 2006-04-24 | 2007-04-24 | Liquid crystal device |
EP07732527A EP2016459A1 (en) | 2006-04-24 | 2007-04-24 | Liquid crystal devices |
BRPI0710770-6A BRPI0710770A2 (en) | 2006-04-24 | 2007-04-24 | liquid crystal devices |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB0608055.0A GB0608055D0 (en) | 2006-04-24 | 2006-04-24 | Liquid crystal devices |
GB0608055.0 | 2006-04-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007122409A1 true WO2007122409A1 (en) | 2007-11-01 |
Family
ID=36581133
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB2007/001488 WO2007122409A1 (en) | 2006-04-24 | 2007-04-24 | Liquid crystal devices |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP2016459A1 (en) |
JP (1) | JP2009534974A (en) |
KR (1) | KR20090057940A (en) |
CN (1) | CN101449203A (en) |
BR (1) | BRPI0710770A2 (en) |
GB (1) | GB0608055D0 (en) |
TW (1) | TW200801758A (en) |
WO (1) | WO2007122409A1 (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102385187A (en) * | 2010-09-06 | 2012-03-21 | 北京众智同辉科技有限公司 | Composite electro-liquid-crystal atomized glass and making method thereof |
CN102037391B (en) * | 2008-05-23 | 2013-01-23 | 德国电信股份有限公司 | Method for control of electromagnetic terahertz carrier waves |
WO2014111324A1 (en) * | 2013-01-16 | 2014-07-24 | Alcatel Lucent | Transmission device |
DE102016107955A1 (en) * | 2016-04-28 | 2017-11-02 | Tesat-Spacecom Gmbh & Co. Kg | Resonator and filter with resonator |
US20180083364A1 (en) * | 2016-09-22 | 2018-03-22 | Senglee Foo | Liquid-crystal tunable metasurface for beam steering antennas |
US9976081B2 (en) | 2013-04-28 | 2018-05-22 | East China University Of Science And Technology | Polymer-stabilized dual frequency blue phase liquid crystals |
US11264684B2 (en) | 2018-04-13 | 2022-03-01 | Boe Technology Group Co., Ltd. | Liquid crystal phase shifter comprising a liquid crystal cell with first and second substrates separated by a partition plate having first and second microstrips on opposing surfaces of the plate |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI453500B (en) * | 2011-08-16 | 2014-09-21 | Chunghwa Picture Tubes Ltd | Liquid crystal test cell and manufacturing method thereof |
CN103364982A (en) * | 2012-04-11 | 2013-10-23 | 群康科技(深圳)有限公司 | Display device |
CN103215050A (en) * | 2013-03-28 | 2013-07-24 | 京东方科技集团股份有限公司 | Blue-phase liquid crystal composite material and liquid crystal display comprising same |
CN103242864A (en) * | 2013-05-13 | 2013-08-14 | 北京京东方光电科技有限公司 | Method for stabilizing crystal structure of blue phase liquid crystal, display device and manufacturing method |
CN104466307A (en) * | 2014-11-24 | 2015-03-25 | 电子科技大学 | Phase shifter |
CN106054441B (en) * | 2016-08-12 | 2022-06-14 | 京东方科技集团股份有限公司 | Polarizing device, driving method thereof and display device |
CN108270070A (en) * | 2017-01-03 | 2018-07-10 | 中兴通讯股份有限公司 | A kind of liquid antenna structure and its control method |
CN108321503B (en) * | 2017-01-16 | 2020-05-15 | 群创光电股份有限公司 | Liquid crystal antenna device |
CN109216886A (en) * | 2017-07-06 | 2019-01-15 | 群创光电股份有限公司 | Radiation appliance |
CN108281737B (en) * | 2018-01-23 | 2020-05-12 | 中国计量大学 | High-transmission type terahertz phase shifter based on metamaterial |
JP2020053759A (en) * | 2018-09-25 | 2020-04-02 | シャープ株式会社 | Scanning antenna and TFT substrate |
WO2020189451A1 (en) * | 2019-03-15 | 2020-09-24 | Agc株式会社 | Antenna device, electronic device, window glass, and movable body |
CN113258305B (en) * | 2021-04-30 | 2022-07-29 | 西南电子技术研究所(中国电子科技集团公司第十研究所) | Method for preparing high-frequency liquid crystal radiation area subarray of electric control holographic antenna |
CN114284714B (en) * | 2021-12-31 | 2023-12-15 | 成都天马微电子有限公司 | Liquid crystal antenna and preparation method thereof |
CN114879424B (en) * | 2022-04-25 | 2023-07-04 | 长春理工大学 | Electric control liquid crystal nonlinear optical device based on multilayer composite structure, and preparation method and application thereof |
KR20240047083A (en) | 2022-10-04 | 2024-04-12 | 서울대학교산학협력단 | Intelligent antennas based on solar cell fabrication process and manufacturing method thereof |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5093740A (en) * | 1991-02-28 | 1992-03-03 | Raytheon Company | Optical beam steerer having subaperture addressing |
US5184233A (en) * | 1990-08-24 | 1993-02-02 | Hughes Aircraft Company | Liquid crystal-based composite material including electrically conducting elongated particles and having enhanced microwave birefringence |
US20050218377A1 (en) * | 2004-03-31 | 2005-10-06 | Solaris Nanosciences, Inc. | Anisotropic nanoparticles and anisotropic nanostructures and pixels, displays and inks using them |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0472404A3 (en) * | 1990-08-24 | 1993-03-03 | Hughes Aircraft Company | Liquid crystal-based composite material having enhanced microwave birefringence |
JP3874964B2 (en) * | 1999-04-28 | 2007-01-31 | 日本放送協会 | Variable phase shifter |
JP2000341027A (en) * | 1999-05-27 | 2000-12-08 | Nippon Hoso Kyokai <Nhk> | Patch antenna system |
JP2006292970A (en) * | 2005-04-08 | 2006-10-26 | Nano Opt Kenkyusho:Kk | Liquid crystal electro-optical element and method for stabilizing temperature characteristics thereof |
-
2006
- 2006-04-24 GB GBGB0608055.0A patent/GB0608055D0/en not_active Ceased
-
2007
- 2007-04-23 TW TW096114206A patent/TW200801758A/en unknown
- 2007-04-24 CN CNA2007800181166A patent/CN101449203A/en active Pending
- 2007-04-24 KR KR1020087028740A patent/KR20090057940A/en not_active IP Right Cessation
- 2007-04-24 JP JP2009507146A patent/JP2009534974A/en active Pending
- 2007-04-24 WO PCT/GB2007/001488 patent/WO2007122409A1/en active Application Filing
- 2007-04-24 BR BRPI0710770-6A patent/BRPI0710770A2/en not_active IP Right Cessation
- 2007-04-24 EP EP07732527A patent/EP2016459A1/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5184233A (en) * | 1990-08-24 | 1993-02-02 | Hughes Aircraft Company | Liquid crystal-based composite material including electrically conducting elongated particles and having enhanced microwave birefringence |
US5093740A (en) * | 1991-02-28 | 1992-03-03 | Raytheon Company | Optical beam steerer having subaperture addressing |
US20050218377A1 (en) * | 2004-03-31 | 2005-10-06 | Solaris Nanosciences, Inc. | Anisotropic nanoparticles and anisotropic nanostructures and pixels, displays and inks using them |
Non-Patent Citations (4)
Title |
---|
DIERKING I ET AL: "Liquid crystal - carbon nanotube dispersions", JOURNAL OF APPLIED PHYSICS, AMERICAN INSTITUTE OF PHYSICS. NEW YORK, US, vol. 97, no. 4, 25 January 2005 (2005-01-25), pages 44309 - 44309, XP012070695, ISSN: 0021-8979 * |
HUANG C-Y ET AL: "ELECTROOPTICAL RESPONSES OF CARBON NANOTUBE-LIQUID CRYSTAL DEVICES", JAPANESE JOURNAL OF APPLIED PHYSICS, JAPAN SOCIETY OF APPLIED PHYSICS, TOKYO, JP, vol. 44, no. 11, November 2005 (2005-11-01), pages 8077 - 8081, XP001502305, ISSN: 0021-4922 * |
TSAI T-R ET AL: "ELECTRICALLY CONTROLLED ROOM TEMPERATURE TERAHERTZ PHASE SHIFTER WITH LIQUID CRYSTAL", IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS, IEEE SERVICE CENTER, NEW YORK, NY, US, vol. 14, no. 2, February 2004 (2004-02-01), pages 77 - 79, XP001190036, ISSN: 1531-1309 * |
WEIL C ET AL INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS: "TUNABLE INVERTED-MICROSTRIP PHASE SHIFTER DEVICE USING NEMATIC LIQUID CRYSTALS", 2002 IEEE MTT-S INTERNATIONAL MICROWAVE SYMPOSIUM DIGEST.(IMS 2002). SEATTLE, WA, JUNE 2 - 7, 2002, IEEE MTT-S INTERNATIONAL MICROWAVE SYMPOSIUM, NEW YORK, NY : IEEE, US, vol. VOL. 1 OF 3, 2 June 2002 (2002-06-02), pages 367 - 370, XP001099505, ISBN: 0-7803-7239-5 * |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102037391B (en) * | 2008-05-23 | 2013-01-23 | 德国电信股份有限公司 | Method for control of electromagnetic terahertz carrier waves |
CN102385187A (en) * | 2010-09-06 | 2012-03-21 | 北京众智同辉科技有限公司 | Composite electro-liquid-crystal atomized glass and making method thereof |
WO2014111324A1 (en) * | 2013-01-16 | 2014-07-24 | Alcatel Lucent | Transmission device |
US9997818B2 (en) | 2013-01-16 | 2018-06-12 | Alcatel Lucent | Transmission device with dipole orienting system |
US9976081B2 (en) | 2013-04-28 | 2018-05-22 | East China University Of Science And Technology | Polymer-stabilized dual frequency blue phase liquid crystals |
DE102016107955A1 (en) * | 2016-04-28 | 2017-11-02 | Tesat-Spacecom Gmbh & Co. Kg | Resonator and filter with resonator |
US10468734B2 (en) | 2016-04-28 | 2019-11-05 | Tesat-Spacecom Gmbh & Co. Kg | Resonator and filter with resonator |
US20180083364A1 (en) * | 2016-09-22 | 2018-03-22 | Senglee Foo | Liquid-crystal tunable metasurface for beam steering antennas |
US10720712B2 (en) * | 2016-09-22 | 2020-07-21 | Huawei Technologies Co., Ltd. | Liquid-crystal tunable metasurface for beam steering antennas |
US11264684B2 (en) | 2018-04-13 | 2022-03-01 | Boe Technology Group Co., Ltd. | Liquid crystal phase shifter comprising a liquid crystal cell with first and second substrates separated by a partition plate having first and second microstrips on opposing surfaces of the plate |
Also Published As
Publication number | Publication date |
---|---|
BRPI0710770A2 (en) | 2011-06-07 |
EP2016459A1 (en) | 2009-01-21 |
TW200801758A (en) | 2008-01-01 |
JP2009534974A (en) | 2009-09-24 |
KR20090057940A (en) | 2009-06-08 |
CN101449203A (en) | 2009-06-03 |
GB0608055D0 (en) | 2006-05-31 |
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