DE69718782D1 - Ein abstimmbarer filter - Google Patents
Ein abstimmbarer filterInfo
- Publication number
- DE69718782D1 DE69718782D1 DE69718782T DE69718782T DE69718782D1 DE 69718782 D1 DE69718782 D1 DE 69718782D1 DE 69718782 T DE69718782 T DE 69718782T DE 69718782 T DE69718782 T DE 69718782T DE 69718782 D1 DE69718782 D1 DE 69718782D1
- Authority
- DE
- Germany
- Prior art keywords
- tunable filter
- tunable
- filter
- 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 - Fee Related
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
- G02F1/21—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 by interference
- G02F1/216—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 by interference using liquid crystals, e.g. liquid crystal Fabry-Perot filters
-
- 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
- G02F1/1334—Constructional arrangements; Manufacturing methods based on polymer dispersed liquid crystals, e.g. microencapsulated liquid 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
- G02F1/133553—Reflecting elements
-
- 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
- G02F1/21—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 by interference
- G02F1/213—Fabry-Perot type
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Dispersion Chemistry (AREA)
- Mathematical Physics (AREA)
- Liquid Crystal (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9608636.8A GB9608636D0 (en) | 1996-04-25 | 1996-04-25 | A tuneable filter |
PCT/GB1997/000980 WO1997040420A1 (en) | 1996-04-25 | 1997-04-09 | A tuneable filter |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69718782D1 true DE69718782D1 (de) | 2003-03-06 |
DE69718782T2 DE69718782T2 (de) | 2003-10-23 |
Family
ID=10792671
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69718782T Expired - Fee Related DE69718782T2 (de) | 1996-04-25 | 1997-04-09 | Ein abstimmbarer filter |
Country Status (5)
Country | Link |
---|---|
US (1) | US6271899B1 (de) |
EP (1) | EP0895612B1 (de) |
DE (1) | DE69718782T2 (de) |
GB (2) | GB9608636D0 (de) |
WO (1) | WO1997040420A1 (de) |
Families Citing this family (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6545739B1 (en) * | 1997-09-19 | 2003-04-08 | Nippon Telegraph And Telephone Corporation | Tunable wavelength filter using nano-sized droplets of liquid crystal dispersed in a polymer |
AU3859000A (en) * | 1999-02-19 | 2000-09-04 | New Focus, Inc. | Tunable laser transmitter with internal wavelength grid generators |
GB9909323D0 (en) * | 1999-04-22 | 1999-06-16 | Thomas Swan & Company Limited | Phase modulator |
FR2799012B1 (fr) * | 1999-09-03 | 2001-12-21 | Serge Blondeau | Lunettes a composite electro optique permettant une commutation alternee transparence/opacite |
US6490381B1 (en) | 2000-06-01 | 2002-12-03 | Optical Coating Laboratory, Inc. | Fabry-Perot optical switch |
US6954253B2 (en) * | 2000-07-25 | 2005-10-11 | Scientific Solutions, Inc. | Optical multiplexer and cross-switch using etched liquid crystal fabry-perot etalons |
GB0125996D0 (en) * | 2001-10-30 | 2001-12-19 | Qinetiq Ltd | Tunable filter |
US6864951B1 (en) * | 2002-05-08 | 2005-03-08 | University Of Central Florida | Tunable electronic lens and prisms using inhomogeneous nano scale liquid crystal droplets |
US7327434B1 (en) | 2002-05-08 | 2008-02-05 | University Of Central Florida Research Foundation, Inc. | Tunable electronic lens and prisms using inhomogeneous nano scale liquid crystal droplets |
US6888661B1 (en) | 2002-06-13 | 2005-05-03 | Cheetah Omni, Llc | Square filter function tunable optical devices |
US6844904B2 (en) * | 2002-12-07 | 2005-01-18 | Cubic Corporation | Fast PDLC device |
US20060007386A1 (en) * | 2003-02-21 | 2006-01-12 | Extellus Usa | Flat top tunable filter with integrated detector |
US20110043742A1 (en) * | 2003-02-21 | 2011-02-24 | Cavanaugh Shanti A | Contamination prevention in liquid crystal cells |
US7002646B2 (en) * | 2003-03-17 | 2006-02-21 | International Business Machines Corporation | Tunable thin film optical devices and fabrication methods for tunable thin film optical devices |
US6950173B1 (en) | 2003-04-08 | 2005-09-27 | Science Applications International Corporation | Optimizing performance parameters for switchable polymer dispersed liquid crystal optical elements |
FR2857159A1 (fr) * | 2003-07-03 | 2005-01-07 | Optogone Sa | Photodetecteur a cavite verticale resonnante, matrice et systeme de telecommunication correspondant. |
EP2033038B1 (de) * | 2006-06-01 | 2011-08-31 | Light Resonance Technologies, LLC | Lichtfilter/-modulator und array von filtern/modulatoren |
US20090091644A1 (en) * | 2007-10-05 | 2009-04-09 | Mackey Jeffrey L | Metallic nanostructure color filter array and method of making the same |
CN101970558A (zh) * | 2007-12-28 | 2011-02-09 | 陶氏环球技术公司 | 小尺寸功能材料 |
US20100302487A1 (en) * | 2007-12-28 | 2010-12-02 | Storer Joey W | Phase compensation film |
US9096764B2 (en) * | 2008-07-23 | 2015-08-04 | Opalux Incorporated | Tunable photonic crystal composition |
US7837897B2 (en) * | 2009-04-27 | 2010-11-23 | Polytronix, Inc. | Polymeric dispersed liquid crystal light shutter device |
US9188820B1 (en) * | 2009-06-12 | 2015-11-17 | The United States Of America As Represented By The Secretary Of The Air Force | Autonomously tuning photoconductive and photovoltaic light valves |
FR2961916B1 (fr) | 2010-06-25 | 2013-04-12 | Saint Gobain | Vitrage feuillete a diffusion variable par cristaux liquides, son procede de fabrication et dispositif pour sa fabrication |
JP5253461B2 (ja) * | 2010-07-26 | 2013-07-31 | 株式会社東芝 | 表示装置 |
KR101925137B1 (ko) | 2010-10-29 | 2018-12-06 | 삼성전자주식회사 | 전기 신호를 이용하여 선택적으로 가시광선과 적외선을 투과하는 필터 |
WO2012057558A2 (ko) * | 2010-10-29 | 2012-05-03 | 삼성전자주식회사 | 전기 신호를 이용하여 선택적으로 가시광선과 적외선을 투과하는 필터 |
EP2450734A1 (de) * | 2010-11-03 | 2012-05-09 | Sony Ericsson Mobile Communications AB | Optische Filteranordnung und Anpassungsverfahren dafür |
JP2012155158A (ja) * | 2011-01-26 | 2012-08-16 | Toshiba Corp | 表示装置 |
EP2551635A1 (de) * | 2011-07-26 | 2013-01-30 | Hexagon Technology Center GmbH | Optisches Messsystem mit Filtereinheit zur Extraktion elektromagnetischer Strahlung |
FR2985327B1 (fr) | 2011-12-29 | 2013-12-20 | Saint Gobain | Vitrage multiple a diffusion variable par cristaux liquides, son procede de fabrication |
FR2985328B1 (fr) | 2011-12-29 | 2013-12-20 | Saint Gobain | Vitrage multiple a diffusion variable par cristaux liquides |
FR2991786B1 (fr) | 2012-06-08 | 2014-06-20 | Saint Gobain | Ecran de projection fonctionnant en reflexion comprenant un systeme a diffusion lumineuse variable |
FR2992434B1 (fr) | 2012-06-22 | 2014-06-13 | Saint Gobain | Procede de fabrication d'un vitrage multiple a diffusion variable par couche pdlc, un tel vitrage multiple a couche pdlc |
FR2997516B1 (fr) | 2012-10-31 | 2015-11-13 | Saint Gobain | Vitrage comprenant un systeme a diffusion lumineuse variable et une paire d'elements absorbants |
FR2997770B1 (fr) | 2012-11-07 | 2015-11-20 | Saint Gobain | Support electroconducteur pour vitrage a diffusion variable par cristaux liquides, et un tel vitrage |
CA2909130C (en) * | 2013-04-10 | 2021-06-08 | Cardinal Ig Company | Multilayer film with electrically switchable optical properties |
EP3317718B1 (de) | 2015-06-30 | 2021-04-07 | Gauzy Ltd. | Verfahren zur herstellung mehrerer und einzelner schichten für flüssigkristalldispersionsvorrichtungen für gemeinsame und direkte verglasungsanwendungen |
US9998681B2 (en) | 2016-06-28 | 2018-06-12 | Gopro, Inc. | Electronic iris for a camera |
US20180143506A1 (en) | 2016-11-21 | 2018-05-24 | Gopro, Inc. | Tunable polymer dispersed liquid crystal doublet prism |
KR102557951B1 (ko) * | 2018-08-27 | 2023-07-21 | 삼성전자주식회사 | 디스플레이 장치 |
US11314137B2 (en) * | 2020-09-23 | 2022-04-26 | Dell Products L.P. | Systems and methods for implementing a display device with side lighting |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8621438D0 (en) * | 1986-09-05 | 1986-10-15 | Secr Defence | Electro-optic device |
US4869847A (en) * | 1987-03-16 | 1989-09-26 | Hoechst Celanese Corp. | Microdisperse polymer/liquid crystal composite |
US5068749A (en) * | 1990-08-31 | 1991-11-26 | Bell Communications Research, Inc. | Electronically tunable polarization-independent liquid crystal optical filter |
JP2587743B2 (ja) | 1990-08-31 | 1997-03-05 | ベル コミュニケーションズ リサーチ インコーポレーテッド | 同調可能な液晶エタロンフィルタ |
US5132824A (en) * | 1990-08-31 | 1992-07-21 | Bell Communications Research, Inc. | Liquid-crystal modulator array |
US5150236A (en) * | 1990-08-31 | 1992-09-22 | Bell Communications Research, Inc. | Tunable liquid crystal etalon filter |
JP2925064B2 (ja) * | 1993-12-02 | 1999-07-26 | 矢崎総業株式会社 | 可変波長フィルタ |
-
1996
- 1996-04-25 GB GBGB9608636.8A patent/GB9608636D0/en active Pending
-
1997
- 1997-04-09 GB GB9822286A patent/GB2326731B/en not_active Expired - Fee Related
- 1997-04-09 EP EP97915620A patent/EP0895612B1/de not_active Expired - Lifetime
- 1997-04-09 US US09/171,350 patent/US6271899B1/en not_active Expired - Fee Related
- 1997-04-09 DE DE69718782T patent/DE69718782T2/de not_active Expired - Fee Related
- 1997-04-09 WO PCT/GB1997/000980 patent/WO1997040420A1/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
US6271899B1 (en) | 2001-08-07 |
GB9608636D0 (en) | 1996-07-03 |
WO1997040420A1 (en) | 1997-10-30 |
GB9822286D0 (en) | 1998-12-09 |
GB2326731B (en) | 2000-07-12 |
EP0895612B1 (de) | 2003-01-29 |
EP0895612A1 (de) | 1999-02-10 |
DE69718782T2 (de) | 2003-10-23 |
GB2326731A (en) | 1998-12-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |