CN1214772C - 液晶快门 - Google Patents

液晶快门 Download PDF

Info

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

Links

Images

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)
  • 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
SE9503783-4 1995-10-26
SE95037834 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 (2)
EP (1) EP0805661B1 (2)
JP (1) JP3922467B2 (2)
CN (1) CN1214772C (2)
AU (1) AU7356596A (2)
DE (1) DE69628544T2 (2)
ES (1) ES2199300T3 (2)
RU (1) RU2204973C2 (2)
SE (1) SE509569C2 (2)
WO (1) WO1997015254A1 (2)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
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
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
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
USD683906S1 (en) * 2010-10-26 2013-06-04 Kimberly-Clark Worldwide, Inc. Welding auto-darkening filter
US10667952B2 (en) 2010-12-01 2020-06-02 3M Innovative Properties Company Welding helmet having a filter arrangement
KR102063140B1 (ko) 2011-10-27 2020-02-11 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
WO2015076812A1 (en) * 2013-11-21 2015-05-28 Empire Technology Development Llc Secure transparent display
US9956118B2 (en) 2014-09-15 2018-05-01 3M Innovative Properties Company Personal protective system tool communication adapter
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
US11160687B2 (en) 2017-06-15 2021-11-02 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
US12605284B2 (en) 2022-07-07 2026-04-21 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
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

Also Published As

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

Similar Documents

Publication Publication Date Title
CN1214772C (zh) 液晶快门
US5249070A (en) Liquid crystal display
US5327269A (en) Fast switching 270° twisted nematic liquid crystal device and eyewear incorporating the device
US5726723A (en) Sub-twisted nematic liquid crystal display
US20010017681A1 (en) Liquid crystal shutter and a light shielding device including such a shutter
EP3617769B1 (en) Transmittance variable device
RU97112909A (ru) Жидкокристаллический затвор
HK63695A (en) Liquid-crystal cell
US10649265B2 (en) Polymer containing scattering type vertically aligned liquid crystal device
US20040036821A1 (en) Liquid crystal shutter
US10197856B2 (en) Optical modulator and display device
RU2472195C2 (ru) Жидкокристаллическое дисплейное устройство
Mori et al. 32.3: Novel Optical Compensation Method Based upon a Discotic Optical Compensation Film for Wide‐Viewing‐Angle LCDs
JP3288697B2 (ja) 電気光学系
JP3658122B2 (ja) 液晶表示素子とその製造方法
EP1081534A1 (en) Liquid crystal display
CN1160685C (zh) 具有非镜面反光片的液晶显示器
US20050253111A1 (en) Dual frequency nematic liquid crystal display
Uchida et al. A novel reflective liquid crystal display with high resolution and full color capability
KR940002640Y1 (ko) 고분자 분산 액정필름을 이용한 방현거울
WO2026007653A1 (zh) 表面和电场致垂直取向胆甾显示器及多稳态胆甾显示器
US5561540A (en) Liquid crystal display
Ishinabe et al. Improvement of transmittance and viewing angle of optically compensated bend mode liquid crystal display using wide-viewing-angle circular polarizer
KR100224699B1 (ko) 액정표시소자
JP2001201769A (ja) 調光装置及び撮像装置

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CX01 Expiry of patent term

Granted publication date: 20050817

EXPY Termination of patent right or utility model