CN1214772C - 液晶快门 - Google Patents

液晶快门 Download PDF

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Publication number
CN1214772C
CN1214772C CN96191580.3A CN96191580A CN1214772C CN 1214772 C CN1214772 C CN 1214772C CN 96191580 A CN96191580 A CN 96191580A CN 1214772 C CN1214772 C CN 1214772C
Authority
CN
China
Prior art keywords
liquid crystal
voltage
shutter structure
structure according
crystal cells
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 - Lifetime
Application number
CN96191580.3A
Other languages
English (en)
Chinese (zh)
Other versions
CN1169106A (zh
Inventor
斯蒂芬·帕尔默
阿克·霍内尔
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.)
3M Svenska AB
3M Innovative Properties Co
Original Assignee
Hornell International AB
3M Innovative Properties Co
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 Hornell International AB, 3M Innovative Properties Co filed Critical Hornell International AB
Publication of CN1169106A publication Critical patent/CN1169106A/zh
Application granted granted Critical
Publication of CN1214772C publication Critical patent/CN1214772C/zh
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Nonlinear Science (AREA)
  • Ophthalmology & Optometry (AREA)
  • Biomedical Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Liquid Crystal (AREA)
CN96191580.3A 1995-10-26 1996-10-25 液晶快门 Expired - Lifetime CN1214772C (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE95037834 1995-10-26
SE9503783-4 1995-10-26
SE9503783A SE509569C2 (sv) 1995-10-26 1995-10-26 Vätskekristallslutarkonstruktion

Publications (2)

Publication Number Publication Date
CN1169106A CN1169106A (zh) 1997-12-31
CN1214772C true CN1214772C (zh) 2005-08-17

Family

ID=20399983

Family Applications (1)

Application Number Title Priority Date Filing Date
CN96191580.3A Expired - Lifetime CN1214772C (zh) 1995-10-26 1996-10-25 液晶快门

Country Status (10)

Country Link
US (1) US6097451A (enExample)
EP (1) EP0805661B1 (enExample)
JP (1) JP3922467B2 (enExample)
CN (1) CN1214772C (enExample)
AU (1) AU7356596A (enExample)
DE (1) DE69628544T2 (enExample)
ES (1) ES2199300T3 (enExample)
RU (1) RU2204973C2 (enExample)
SE (1) SE509569C2 (enExample)
WO (1) WO1997015254A1 (enExample)

Families Citing this family (45)

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US6285478B1 (en) 1998-03-26 2001-09-04 Chorum Technologies Lp Programmable optical add/drop device
US6166838A (en) 1997-03-24 2000-12-26 Chorum Technologies, Inc. Optical add/drop wavelength switch
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
EP1624491B1 (en) 2004-08-04 2009-05-27 CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et Développement Solid-state photosensor with electronic aperture control
US7477330B2 (en) 2005-03-09 2009-01-13 3M Innovative Properties Company Automatic darkening filter with offset polarizers
US8542334B2 (en) 2005-05-20 2013-09-24 Institut Jozef Stefan Variable contrast, wide viewing angle LCD light-switching filter
SI22066A (sl) 2005-05-20 2006-12-31 Institut "Jozef Stefan" Tekoce kristalni preklopni svetlobni filter s spremenljivim kontrastom in sirokim vidnim kotom
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
KR20140092852A (ko) 2011-10-27 2014-07-24 엘에스아이 코포레이션 Fir 필터링을 위한 벡터 콘볼루션 함수와 함께 명령어 집합을 갖는 벡터 프로세서
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
WO2015076812A1 (en) * 2013-11-21 2015-05-28 Empire Technology Development Llc Secure transparent display
KR102369408B1 (ko) 2014-09-15 2022-03-02 쓰리엠 이노베이티브 프로퍼티즈 캄파니 개인용 보호 시스템 공구 통신 어댑터
US9610198B2 (en) * 2014-09-24 2017-04-04 Optrel Ag Protection device for a welder
AU2017263312B2 (en) 2016-05-12 2019-01-03 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
CN110740714B (zh) 2017-06-15 2022-04-29 3M创新有限公司 带有包括可切换遮光器阵列的自动变暗滤光器的视力保护性头戴装置
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)

* Cited by examiner, † Cited by third party
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
EP0373786B1 (en) * 1988-12-14 1995-02-22 THORN EMI plc Display device
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

Also Published As

Publication number Publication date
DE69628544D1 (de) 2003-07-10
WO1997015254A1 (en) 1997-05-01
SE9503783D0 (sv) 1995-10-26
DE69628544T2 (de) 2004-05-06
JPH10511885A (ja) 1998-11-17
CN1169106A (zh) 1997-12-31
EP0805661B1 (en) 2003-06-04
SE9503783L (sv) 1997-04-27
AU7356596A (en) 1997-05-15
SE509569C2 (sv) 1999-02-08
RU2204973C2 (ru) 2003-05-27
US6097451A (en) 2000-08-01
ES2199300T3 (es) 2004-02-16
EP0805661A1 (en) 1997-11-12
JP3922467B2 (ja) 2007-05-30

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Granted publication date: 20050817

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