DE69210010T2 - Elektro-optische vorrichtung mit einstellbarer durchlaessigkeit - Google Patents

Elektro-optische vorrichtung mit einstellbarer durchlaessigkeit

Info

Publication number
DE69210010T2
DE69210010T2 DE69210010T DE69210010T DE69210010T2 DE 69210010 T2 DE69210010 T2 DE 69210010T2 DE 69210010 T DE69210010 T DE 69210010T DE 69210010 T DE69210010 T DE 69210010T DE 69210010 T2 DE69210010 T2 DE 69210010T2
Authority
DE
Germany
Prior art keywords
electro
cell
optical
optical device
plate
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
Application number
DE69210010T
Other languages
English (en)
Other versions
DE69210010D1 (de
Inventor
Joachim Grupp
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.)
Asulab AG
Original Assignee
Asulab AG
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
Priority claimed from CH321891A external-priority patent/CH685176A5/fr
Priority claimed from FR9115768A external-priority patent/FR2685102B1/fr
Application filed by Asulab AG filed Critical Asulab AG
Publication of DE69210010D1 publication Critical patent/DE69210010D1/de
Application granted granted Critical
Publication of DE69210010T2 publication Critical patent/DE69210010T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/10—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
    • G02C7/101—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses having an electro-optical light valve
    • 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
    • G02F1/133509—Filters, e.g. light shielding masks

Landscapes

  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • General Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Liquid Crystal (AREA)
  • Eyeglasses (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
DE69210010T 1991-11-05 1992-10-31 Elektro-optische vorrichtung mit einstellbarer durchlaessigkeit Expired - Fee Related DE69210010T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH321891A CH685176A5 (fr) 1991-11-05 1991-11-05 Dispositif électro-optique à transparence variable.
FR9115768A FR2685102B1 (fr) 1991-12-17 1991-12-17 Dispositif electro-optique a transparence variable.
PCT/EP1992/002503 WO1993008774A1 (fr) 1991-11-05 1992-10-31 Dispositif electro-optique a transparence variable

Publications (2)

Publication Number Publication Date
DE69210010D1 DE69210010D1 (de) 1996-05-23
DE69210010T2 true DE69210010T2 (de) 1996-11-07

Family

ID=25692484

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69210010T Expired - Fee Related DE69210010T2 (de) 1991-11-05 1992-10-31 Elektro-optische vorrichtung mit einstellbarer durchlaessigkeit

Country Status (11)

Country Link
EP (1) EP0565684B1 (de)
JP (1) JPH06504146A (de)
KR (1) KR930702929A (de)
AT (1) ATE136763T1 (de)
AU (1) AU663897B2 (de)
BR (1) BR9205510A (de)
CA (1) CA2098825A1 (de)
DE (1) DE69210010T2 (de)
ES (1) ES2088599T3 (de)
SG (1) SG65551A1 (de)
WO (1) WO1993008774A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4327051A1 (de) * 1993-08-12 1994-05-19 Peter Schulthess Programmierbare elektronische Okklusionsbrille
EP1648361A1 (de) * 2003-07-10 2006-04-26 Lightswitch Safety Systems, Inc. Lichtsensoranordnung für sich automatisch verdunkelnde linsen und verfahren
US10768447B2 (en) * 2012-11-01 2020-09-08 Essilor International Thermally influenced changeable tint device
FR3010941B1 (fr) * 2013-09-26 2017-01-13 Valeo Vision Dispositif et procede d'aide a la conduite
JP6880584B2 (ja) * 2016-07-12 2021-06-02 株式会社リコー 調光装置及び調光方法
TWI661223B (zh) * 2017-04-28 2019-06-01 南韓商Ｌｇ化學股份有限公司 光調變裝置及眼睛佩戴物
US11392006B2 (en) * 2018-09-04 2022-07-19 Lg Chem, Ltd. Transmittance-variable device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2553976A1 (de) * 1974-12-02 1976-06-16 Hermann Budmiger Lichtschutzfilter
CH629001A5 (fr) * 1978-02-06 1982-03-31 Ebauches Sa Cellule d'affichage electro-optique passif.
DE3276596D1 (en) * 1982-04-14 1987-07-23 Eggenschwiler Andre M Protective light filter, in particular for protective shields or welding glasses
SE464264B (sv) * 1984-02-24 1991-03-25 Esab Ab Optiskt filter foer svetsskyddsglas
GB2169417A (en) * 1984-12-28 1986-07-09 Olympus Optical Co Liquid crystal lens having a variable focal length
IT1190508B (it) * 1986-03-24 1988-02-16 Daniele Senatore Occhiali a trasparenza regolabile
WO1988006030A1 (en) * 1987-02-12 1988-08-25 Bernard Rosen Welding helmet

Also Published As

Publication number Publication date
CA2098825A1 (en) 1993-05-06
JPH06504146A (ja) 1994-05-12
WO1993008774A1 (fr) 1993-05-13
KR930702929A (ko) 1993-11-29
ES2088599T3 (es) 1996-08-16
AU2893292A (en) 1993-06-07
AU663897B2 (en) 1995-10-26
DE69210010D1 (de) 1996-05-23
BR9205510A (pt) 1994-04-26
EP0565684A1 (de) 1993-10-20
EP0565684B1 (de) 1996-04-17
ATE136763T1 (de) 1996-05-15
SG65551A1 (en) 1999-06-22

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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