SE509569C2 - Vätskekristallslutarkonstruktion - Google Patents
VätskekristallslutarkonstruktionInfo
- Publication number
- SE509569C2 SE509569C2 SE9503783A SE9503783A SE509569C2 SE 509569 C2 SE509569 C2 SE 509569C2 SE 9503783 A SE9503783 A SE 9503783A SE 9503783 A SE9503783 A SE 9503783A SE 509569 C2 SE509569 C2 SE 509569C2
- Authority
- SE
- Sweden
- Prior art keywords
- voltage
- cells
- cell
- liquid crystal
- shutter
- Prior art date
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 65
- 238000010276 construction Methods 0.000 title claims abstract description 31
- 210000004027 cell Anatomy 0.000 claims abstract description 139
- 210000002858 crystal cell Anatomy 0.000 claims abstract description 37
- 239000011521 glass Substances 0.000 claims abstract description 25
- 238000003466 welding Methods 0.000 claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims description 50
- 230000003287 optical effect Effects 0.000 claims description 22
- 230000010287 polarization Effects 0.000 claims description 22
- 230000000694 effects Effects 0.000 claims description 20
- 238000006073 displacement reaction Methods 0.000 claims description 13
- 238000000576 coating method Methods 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 10
- 239000013078 crystal Substances 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000006096 absorbing agent Substances 0.000 claims description 3
- 230000031700 light absorption Effects 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000001154 acute effect Effects 0.000 claims description 2
- 230000003321 amplification Effects 0.000 claims 1
- 230000004888 barrier function Effects 0.000 claims 1
- 230000000903 blocking effect Effects 0.000 claims 1
- 239000011248 coating agent Substances 0.000 claims 1
- 239000002178 crystalline material Substances 0.000 claims 1
- 230000005284 excitation Effects 0.000 claims 1
- 238000003199 nucleic acid amplification method Methods 0.000 claims 1
- 238000001179 sorption measurement Methods 0.000 claims 1
- 238000004804 winding Methods 0.000 claims 1
- 239000010410 layer Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 7
- 230000001419 dependent effect Effects 0.000 description 6
- 230000005684 electric field Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000006872 improvement Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 230000009189 diving Effects 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000004986 Cholesteric liquid crystals (ChLC) Substances 0.000 description 2
- 239000004988 Nematic liquid crystal Substances 0.000 description 2
- CYTYCFOTNPOANT-UHFFFAOYSA-N Perchloroethylene Chemical compound ClC(Cl)=C(Cl)Cl CYTYCFOTNPOANT-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 239000013598 vector Substances 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 239000006223 plastic coating Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 210000000352 storage cell Anatomy 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000008685 targeting Effects 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 238000001429 visible spectrum Methods 0.000 description 1
- 238000005493 welding type Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting in contact-lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/04—Eye-masks ; Devices to be worn on the face, not intended for looking through; Eye-pads for sunbathing
- A61F9/06—Masks, shields or hoods for welders
- A61F9/065—Masks, shields or hoods for welders use of particular optical filters
- A61F9/067—Masks, shields or hoods for welders use of particular optical filters with variable transmission
-
- 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
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal 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
- G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
- G02F1/13471—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells in which all the liquid crystal cells or layers remain transparent, e.g. FLC, ECB, DAP, HAN, TN, STN, SBE-LC cells
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Nonlinear Science (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Biomedical Technology (AREA)
- Public Health (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Ophthalmology & Optometry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
Priority Applications (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9503783A SE509569C2 (sv) | 1995-10-26 | 1995-10-26 | Vätskekristallslutarkonstruktion |
| US08/860,460 US6097451A (en) | 1995-10-26 | 1996-10-25 | Liquid crystal shutter with low twisted nematic liquid crystal cells driven with a low frequency or DC voltage |
| CN96191580.3A CN1214772C (zh) | 1995-10-26 | 1996-10-25 | 液晶快门 |
| AU73565/96A AU7356596A (en) | 1995-10-26 | 1996-10-25 | Liquid crystal shutter |
| EP96935758A EP0805661B1 (en) | 1995-10-26 | 1996-10-25 | Liquid crystal shutter |
| ES96935758T ES2199300T3 (es) | 1995-10-26 | 1996-10-25 | Obturador de cristales liquidos. |
| JP51654597A JP3922467B2 (ja) | 1995-10-26 | 1996-10-25 | 液晶シャッター |
| DE69628544T DE69628544T2 (de) | 1995-10-26 | 1996-10-25 | Flüssigkristall-lichtverschluss |
| RU97112909/14A RU2204973C2 (ru) | 1995-10-26 | 1996-10-25 | Жидкокристаллический затвор |
| PCT/SE1996/001372 WO1997015254A1 (en) | 1995-10-26 | 1996-10-25 | Liquid crystal shutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9503783A SE509569C2 (sv) | 1995-10-26 | 1995-10-26 | Vätskekristallslutarkonstruktion |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE9503783D0 SE9503783D0 (sv) | 1995-10-26 |
| SE9503783L SE9503783L (sv) | 1997-04-27 |
| SE509569C2 true SE509569C2 (sv) | 1999-02-08 |
Family
ID=20399983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE9503783A SE509569C2 (sv) | 1995-10-26 | 1995-10-26 | Vätskekristallslutarkonstruktion |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US6097451A (ru) |
| EP (1) | EP0805661B1 (ru) |
| JP (1) | JP3922467B2 (ru) |
| CN (1) | CN1214772C (ru) |
| AU (1) | AU7356596A (ru) |
| DE (1) | DE69628544T2 (ru) |
| ES (1) | ES2199300T3 (ru) |
| RU (1) | RU2204973C2 (ru) |
| SE (1) | SE509569C2 (ru) |
| WO (1) | WO1997015254A1 (ru) |
Families Citing this family (45)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6166838A (en) | 1997-03-24 | 2000-12-26 | Chorum Technologies, Inc. | Optical add/drop wavelength switch |
| US6285478B1 (en) | 1998-03-26 | 2001-09-04 | Chorum Technologies Lp | Programmable optical add/drop device |
| US6094246A (en) * | 1998-01-06 | 2000-07-25 | Chorum Technologies | Acute twist nematic liquid crystal electro-optic modulator for use in an infrared optical communication system having extinction ratio of -25db |
| US6134358A (en) | 1998-08-27 | 2000-10-17 | Chorum Technologies Inc. | N x N switch array with reduced components |
| KR100290543B1 (ko) * | 1998-12-29 | 2001-05-15 | 허문영 | 온도 보상 눈부심 방지장치 및 그 방법 |
| CH694384A5 (de) * | 1999-03-11 | 2004-12-15 | Optrel Ag | Aktive elektrooptische Filtereinrichtung und Verfahren zu ihrem Betrieb. |
| US6614409B1 (en) * | 1999-11-23 | 2003-09-02 | Otos Co., Ltd. | Glare shielding device of welding helmet and method of controlling the same |
| US6396609B1 (en) | 1999-12-20 | 2002-05-28 | Chorum Technologies, Lp | Dispersion compensation for optical systems |
| US6559992B2 (en) | 2000-03-27 | 2003-05-06 | Chorum Technologies Lp | Adjustable chromatic dispersion compensation |
| US7486443B1 (en) * | 2000-06-05 | 2009-02-03 | Avanex Corporation | High extinction ratio and low crosstalk compact optical switches |
| JP2002365662A (ja) * | 2001-06-11 | 2002-12-18 | Rohm Co Ltd | 表示媒体、表示素子、および表示装置 |
| US20040036821A1 (en) * | 2002-08-22 | 2004-02-26 | Optiva, Inc. | Liquid crystal shutter |
| RU2269807C2 (ru) * | 2003-01-15 | 2006-02-10 | Федеральное Государственное Унитарное Предприятие Научно-Исследовательский Институт "Волга" | Жидкокристаллический экран |
| US7008055B2 (en) * | 2003-03-19 | 2006-03-07 | Gpt Glendale, Inc. | Eye protection methods and apparatus |
| US20050177140A1 (en) * | 2004-02-06 | 2005-08-11 | Harvey Jay | Pulsed light treatment apparatus and associated method with preliminary light pulse generation |
| US7372523B2 (en) * | 2004-03-03 | 2008-05-13 | Sony Ericsson Mobile Communications Ab | Display apparatuses having layered liquid crystal displays |
| DE602004021251D1 (de) | 2004-08-04 | 2009-07-09 | Suisse Electronique Microtech | Festkörperbildsensor mit elektronischer Kontrolle der Apertur |
| US7477330B2 (en) | 2005-03-09 | 2009-01-13 | 3M Innovative Properties Company | Automatic darkening filter with offset polarizers |
| SI22066A (sl) | 2005-05-20 | 2006-12-31 | Institut "Jozef Stefan" | Tekoce kristalni preklopni svetlobni filter s spremenljivim kontrastom in sirokim vidnim kotom |
| US8542334B2 (en) | 2005-05-20 | 2013-09-24 | Institut Jozef Stefan | Variable contrast, wide viewing angle LCD light-switching filter |
| US20060285330A1 (en) * | 2005-06-20 | 2006-12-21 | Ingvar Sundell | Automatic darkening filter with automatic power management |
| US7637622B2 (en) * | 2005-10-11 | 2009-12-29 | 3M Innovative Properties Company | Control of an automatic darkening filter |
| JP2007127719A (ja) * | 2005-11-01 | 2007-05-24 | Fujifilm Corp | 撮影装置 |
| US7837897B2 (en) * | 2009-04-27 | 2010-11-23 | Polytronix, Inc. | Polymeric dispersed liquid crystal light shutter device |
| RU2012147639A (ru) * | 2010-04-09 | 2014-05-20 | Шарп Кабусики Кайся | Очки с активным затвором и проекционная система стереоизображений |
| USD683906S1 (en) * | 2010-10-26 | 2013-06-04 | Kimberly-Clark Worldwide, Inc. | Welding auto-darkening filter |
| USD683502S1 (en) * | 2010-10-26 | 2013-05-28 | Kimberly-Clark Worldwide, Inc. | Welding auto-darkening filter |
| USD678619S1 (en) * | 2010-10-26 | 2013-03-19 | Kimberly-Clark Worldwide, Inc. | Welding auto-darkening filter assembly |
| SI2645974T1 (sl) | 2010-12-01 | 2019-05-31 | 3M Innovative Properties Company | Varilska čelada z razmestitvijo filtrov |
| KR102207599B1 (ko) | 2011-10-27 | 2021-01-26 | 인텔 코포레이션 | 블록 기반 파고율 저감 |
| RU2496458C2 (ru) * | 2011-11-18 | 2013-10-27 | Федеральное государственное учреждение "12 Центральный научно-исследовательский институт Министерства обороны Российской Федерации" | Противоослепляющие очки |
| US20140168546A1 (en) | 2012-12-13 | 2014-06-19 | 3M Innovative Properties Company | Curved Automatic-Darkening Filter |
| US20160252758A1 (en) * | 2013-11-21 | 2016-09-01 | Empire Technology Development Llc | Secure transparent display |
| CN107072818B (zh) | 2014-09-15 | 2020-03-13 | 3M创新有限公司 | 个人防护系统工具通信适配器 |
| US9610198B2 (en) * | 2014-09-24 | 2017-04-04 | Optrel Ag | Protection device for a welder |
| EP3454803B1 (en) | 2016-05-12 | 2023-11-15 | 3M Innovative Properties Company | Protective headgear comprising a curved switchable shutter and comprising multiple antireflective layers |
| US20190258111A1 (en) * | 2016-11-08 | 2019-08-22 | 3M Innovative Properties Company | Flat Automatic Darkening Filter And Welding Protector |
| EP3638166B1 (en) | 2017-06-15 | 2024-08-14 | 3M Innovative Properties Company | Vision-protective headgear with automatic darkening filter comprising an array of switchable shutters |
| US10690986B2 (en) * | 2017-09-13 | 2020-06-23 | Apple Inc. | Electronic devices having electrically adjustable optical shutters |
| DE102018213078B4 (de) * | 2018-08-06 | 2020-06-18 | Zf Friedrichshafen Ag | Verdunkelungsvorrichtung für eine ADAS-Kamera, Steuergerät für ein ADAS-Kamerasystem, ADAS-Kamerasystem und Fahrzeug mit einem ADAS-Kamerasystem |
| KR102304918B1 (ko) * | 2019-09-20 | 2021-09-27 | 주식회사 오토스윙 | 광기능성층 및 패널 제어 기술이 적용된 용접용 보호구 |
| CN111781761B (zh) * | 2020-07-28 | 2022-10-04 | 福州京东方光电科技有限公司 | 显示装置的对位系统及方法、显示装置 |
| US20240009034A1 (en) | 2022-07-07 | 2024-01-11 | Lincoln Global, Inc. | Automatic darkening apparatus with integrated magnification lens |
| CN116560125B (zh) * | 2023-04-28 | 2025-06-24 | 泰克曼(南京)安全防护设备有限公司 | 一种自动变光滤光镜adf及其控制方法 |
| WO2025238435A1 (en) | 2024-05-15 | 2025-11-20 | 3M Innovative Properties Company | Heat protection kit and welding helmet assembly |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4039254A (en) * | 1976-05-27 | 1977-08-02 | Mack Gordon | Electro-optic welding lens assembly using multiple liquid crystal light shutters and polarizers |
| ATE118916T1 (de) * | 1988-12-14 | 1995-03-15 | Emi Plc Thorn | Anzeigegerät. |
| US5347383A (en) * | 1989-06-12 | 1994-09-13 | Osd Envizion Company | High speed, low power driving circuit for liquid crystal shutter |
| US5252817A (en) * | 1991-03-25 | 1993-10-12 | Osd Envizion Company | Detector system for detecting the occurrence of welding using detector feedback |
| CH687909A5 (de) * | 1991-12-31 | 1997-03-27 | Xelux Holding Ag | Verfahren zum Betrieb einer Blendschutzvorrichtung. |
| CH686323A5 (de) * | 1992-02-18 | 1996-02-29 | Mettler Toledo Ag | Praezisionswaage. |
| US5519522A (en) * | 1993-08-11 | 1996-05-21 | Fergason; Jeffrey K. | Eye protection device for welding helmets and the like with hot mirror and indium tin oxide layer |
| SE502868C2 (sv) * | 1994-04-26 | 1996-02-05 | Hoernell Elektrooptik Ab | Svetssnabbfilter med förbättrade vinkelegenskaper |
-
1995
- 1995-10-26 SE SE9503783A patent/SE509569C2/sv not_active IP Right Cessation
-
1996
- 1996-10-25 ES ES96935758T patent/ES2199300T3/es not_active Expired - Lifetime
- 1996-10-25 EP EP96935758A patent/EP0805661B1/en not_active Expired - Lifetime
- 1996-10-25 DE DE69628544T patent/DE69628544T2/de not_active Expired - Lifetime
- 1996-10-25 JP JP51654597A patent/JP3922467B2/ja not_active Expired - Fee Related
- 1996-10-25 US US08/860,460 patent/US6097451A/en not_active Expired - Lifetime
- 1996-10-25 AU AU73565/96A patent/AU7356596A/en not_active Abandoned
- 1996-10-25 WO PCT/SE1996/001372 patent/WO1997015254A1/en not_active Ceased
- 1996-10-25 RU RU97112909/14A patent/RU2204973C2/ru active
- 1996-10-25 CN CN96191580.3A patent/CN1214772C/zh not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| WO1997015254A1 (en) | 1997-05-01 |
| EP0805661B1 (en) | 2003-06-04 |
| RU2204973C2 (ru) | 2003-05-27 |
| JP3922467B2 (ja) | 2007-05-30 |
| DE69628544T2 (de) | 2004-05-06 |
| CN1214772C (zh) | 2005-08-17 |
| CN1169106A (zh) | 1997-12-31 |
| AU7356596A (en) | 1997-05-15 |
| JPH10511885A (ja) | 1998-11-17 |
| SE9503783D0 (sv) | 1995-10-26 |
| US6097451A (en) | 2000-08-01 |
| SE9503783L (sv) | 1997-04-27 |
| DE69628544D1 (de) | 2003-07-10 |
| EP0805661A1 (en) | 1997-11-12 |
| ES2199300T3 (es) | 2004-02-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| SE509569C2 (sv) | Vätskekristallslutarkonstruktion | |
| US4190330A (en) | Variable focus liquid crystal lens system | |
| US6177972B1 (en) | Polymer stabilized in-plane switched LCD | |
| SE508272C2 (sv) | Vätskekristall-slutarkonstruktion, och en ljusskä rmningsanordning innefattande en sådan konstruktion | |
| EP0047162B1 (en) | Kerr effect electro-optical element | |
| JPH09329813A (ja) | 電気光学的表示装置及び液晶切換素子 | |
| RU97112909A (ru) | Жидкокристаллический затвор | |
| US5313562A (en) | Optical device with electrodes end-to-end with electric field causing homeotropic alignment of liquid crystal in space between ends | |
| US4423927A (en) | Optical, temporal bandpass filter | |
| KR102079135B1 (ko) | 투과율 가변 장치 | |
| JPH11142831A (ja) | 高分子分散型液晶表示装置 | |
| Oka et al. | Electro-optical characteristics and switching behavior of a twisted nematic liquid crystal device based upon in-plane switching | |
| EP1821136A1 (en) | Glare protection device | |
| JPH11133449A (ja) | 光学装置 | |
| Csillag et al. | Reorientation of liquid crystals by superposed optical and quasistatic electric fields | |
| Karppinen et al. | Electrically controlled optical attenuators and switches with ferroelectric liquid crystals | |
| KR20190037955A (ko) | 광학 소자 | |
| EP0298602A1 (en) | Electro-optic device using ferroelectric liquid crystal | |
| KR20050065822A (ko) | 액정표시소자와 그 구동방법 | |
| US20040150598A1 (en) | Fast switching dual-frequency liquid crystal cells and method for driving the same | |
| Kim et al. | Electrooptic characteristics of a fringe-field driven hybrid aligned nematic liquid crystal cell using a liquid crystal with positive dielectric anisotropy | |
| Nose et al. | Application of a liquid crystal microlens to an optical fiber switch | |
| Sato et al. | Liquid-crystal electric and magnetic field sensors | |
| Ye et al. | Improvement of decay properties of a liquid crystal microlens with a divided electrode structure | |
| Ryu et al. | A fringe-field driven hybrid aligned nematic liquid crystal display for narrow viewing angle display |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |