ATE136763T1 - Elektro-optische vorrichtung mit einstellbarer durchlaessigkeit - Google Patents

Elektro-optische vorrichtung mit einstellbarer durchlaessigkeit

Info

Publication number
ATE136763T1
ATE136763T1 AT92922686T AT92922686T ATE136763T1 AT E136763 T1 ATE136763 T1 AT E136763T1 AT 92922686 T AT92922686 T AT 92922686T AT 92922686 T AT92922686 T AT 92922686T AT E136763 T1 ATE136763 T1 AT E136763T1
Authority
AT
Austria
Prior art keywords
electro
cell
optical
optical device
plate
Prior art date
Application number
AT92922686T
Other languages
English (en)
Inventor
Joachim Grupp
Original Assignee
Asulab Sa
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 Sa filed Critical Asulab Sa
Application granted granted Critical
Publication of ATE136763T1 publication Critical patent/ATE136763T1/de

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
    • 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
    • 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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
AT92922686T 1991-11-05 1992-10-31 Elektro-optische vorrichtung mit einstellbarer durchlaessigkeit ATE136763T1 (de)

Applications Claiming Priority (2)

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.

Publications (1)

Publication Number Publication Date
ATE136763T1 true ATE136763T1 (de) 1996-05-15

Family

ID=25692484

Family Applications (1)

Application Number Title Priority Date Filing Date
AT92922686T ATE136763T1 (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
WO2005007048A1 (en) * 2003-07-10 2005-01-27 Lightswitch Safety Systems, Inc. Light sensor arrangement for auto-darkening lenses and method
BR112015009899A2 (pt) * 2012-11-01 2017-07-11 Essilor Int dispositivo de tonalidade mutável termicamente influenciado
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
US10768461B2 (en) * 2017-04-28 2020-09-08 Lg Chem, Ltd. Light modulation device
JP7225509B2 (ja) * 2018-09-04 2023-02-21 エルジー・ケム・リミテッド 透過度可変デバイス

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7538264U (de) * 1974-12-02 1977-09-22 Revue Thommen Ag, Waldenburg (Schweiz) Lichtschutzfilter
CH629001A5 (fr) * 1978-02-06 1982-03-31 Ebauches Sa Cellule d'affichage electro-optique passif.
ATE27862T1 (de) * 1982-04-14 1987-07-15 Andre M Eggenschwiler Lichtschutzfilter, insbesondere fuer schweissschutzschilder oder schweissschutzbrillen.
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
EP0565684B1 (de) 1996-04-17
CA2098825A1 (en) 1993-05-06
JPH06504146A (ja) 1994-05-12
SG65551A1 (en) 1999-06-22
BR9205510A (pt) 1994-04-26
ES2088599T3 (es) 1996-08-16
AU2893292A (en) 1993-06-07
DE69210010T2 (de) 1996-11-07
DE69210010D1 (de) 1996-05-23
KR930702929A (ko) 1993-11-29
WO1993008774A1 (fr) 1993-05-13
EP0565684A1 (de) 1993-10-20
AU663897B2 (en) 1995-10-26

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee