SE9503783L - Vätskekristallslutarkonstruktion - Google Patents

Vätskekristallslutarkonstruktion

Info

Publication number
SE9503783L
SE9503783L SE9503783A SE9503783A SE9503783L SE 9503783 L SE9503783 L SE 9503783L SE 9503783 A SE9503783 A SE 9503783A SE 9503783 A SE9503783 A SE 9503783A SE 9503783 L SE9503783 L SE 9503783L
Authority
SE
Sweden
Prior art keywords
liquid crystal
pct
shutter construction
date
sec
Prior art date
Application number
SE9503783A
Other languages
Unknown language ( )
English (en)
Other versions
SE9503783D0 (sv
SE509569C2 (sv
Inventor
Aake Hoernell
Stephen Palmer
Original Assignee
Aake Hoernell
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 Aake Hoernell filed Critical Aake Hoernell
Priority to SE9503783A priority Critical patent/SE509569C2/sv
Publication of SE9503783D0 publication Critical patent/SE9503783D0/sv
Priority to ES96935758T priority patent/ES2199300T3/es
Priority to CN96191580.3A priority patent/CN1214772C/zh
Priority to RU97112909/14A priority patent/RU2204973C2/ru
Priority to EP96935758A priority patent/EP0805661B1/en
Priority to US08/860,460 priority patent/US6097451A/en
Priority to DE69628544T priority patent/DE69628544T2/de
Priority to AU73565/96A priority patent/AU7356596A/en
Priority to PCT/SE1996/001372 priority patent/WO1997015254A1/en
Priority to JP51654597A priority patent/JP3922467B2/ja
Publication of SE9503783L publication Critical patent/SE9503783L/sv
Publication of SE509569C2 publication Critical patent/SE509569C2/sv

Links

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)
SE9503783A 1995-10-26 1995-10-26 Vätskekristallslutarkonstruktion SE509569C2 (sv)

Priority Applications (10)

Application Number Priority Date Filing Date Title
SE9503783A SE509569C2 (sv) 1995-10-26 1995-10-26 Vätskekristallslutarkonstruktion
JP51654597A JP3922467B2 (ja) 1995-10-26 1996-10-25 液晶シャッター
EP96935758A EP0805661B1 (en) 1995-10-26 1996-10-25 Liquid crystal shutter
CN96191580.3A CN1214772C (zh) 1995-10-26 1996-10-25 液晶快门
RU97112909/14A RU2204973C2 (ru) 1995-10-26 1996-10-25 Жидкокристаллический затвор
ES96935758T ES2199300T3 (es) 1995-10-26 1996-10-25 Obturador de cristales liquidos.
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
DE69628544T DE69628544T2 (de) 1995-10-26 1996-10-25 Flüssigkristall-lichtverschluss
AU73565/96A AU7356596A (en) 1995-10-26 1996-10-25 Liquid crystal shutter
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 true SE9503783L (sv) 1997-04-27
SE509569C2 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 (sv)
EP (1) EP0805661B1 (sv)
JP (1) JP3922467B2 (sv)
CN (1) CN1214772C (sv)
AU (1) AU7356596A (sv)
DE (1) DE69628544T2 (sv)
ES (1) ES2199300T3 (sv)
RU (1) RU2204973C2 (sv)
SE (1) SE509569C2 (sv)
WO (1) WO1997015254A1 (sv)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
JP5634503B2 (ja) * 2010-04-09 2014-12-03 シャープ株式会社 アクティブシャッターメガネ及び立体映像認識システム
AU2011336908B2 (en) 2010-12-01 2015-02-05 3M Innovative Properties Company Welding helmet having a filter arrangement
US9372663B2 (en) 2011-10-27 2016-06-21 Intel Corporation Direct digital synthesis of signals using maximum likelihood bit-stream encoding
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
WO2016044071A1 (en) 2014-09-15 2016-03-24 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
KR102607506B1 (ko) 2017-06-15 2023-11-30 쓰리엠 이노베이티브 프로퍼티즈 캄파니 스위칭가능 셔터의 어레이를 포함하는 자동 다크닝 필터를 가진 시력-보호용 헤드기어
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

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
JPH10511885A (ja) 1998-11-17
JP3922467B2 (ja) 2007-05-30
US6097451A (en) 2000-08-01
RU2204973C2 (ru) 2003-05-27
DE69628544T2 (de) 2004-05-06
EP0805661B1 (en) 2003-06-04
CN1214772C (zh) 2005-08-17
DE69628544D1 (de) 2003-07-10
ES2199300T3 (es) 2004-02-16
SE9503783D0 (sv) 1995-10-26
AU7356596A (en) 1997-05-15
CN1169106A (zh) 1997-12-31
EP0805661A1 (en) 1997-11-12
SE509569C2 (sv) 1999-02-08
WO1997015254A1 (en) 1997-05-01

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Legal Events

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NUG Patent has lapsed