ES2088599T3 - Dispositivo electro-optico con transparencia variable. - Google Patents

Dispositivo electro-optico con transparencia variable.

Info

Publication number
ES2088599T3
ES2088599T3 ES92922686T ES92922686T ES2088599T3 ES 2088599 T3 ES2088599 T3 ES 2088599T3 ES 92922686 T ES92922686 T ES 92922686T ES 92922686 T ES92922686 T ES 92922686T ES 2088599 T3 ES2088599 T3 ES 2088599T3
Authority
ES
Spain
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 - Lifetime
Application number
ES92922686T
Other languages
English (en)
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
Application granted granted Critical
Publication of ES2088599T3 publication Critical patent/ES2088599T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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)
  • Eyeglasses (AREA)
  • Liquid Crystal (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)

Abstract

EL INVENTO CONCIERNE UN DISPOSITIVO ELECTRO-OPTICO DE TRANSPARIENCIA VARIABLE QUE COMPRENDE: AL MENOS UN VIDRIO FORMADO POR UNA CELULA ELECTRO-OPTICA (4) COMPRENDIENDO UNA PRIMERA LAMINA (6) Y UNA SEGUNDA LAMINA (8) PROVISTAS CADA UNA DE UN ELECTRODO (14, 16) DE MANDO Y UN MARCO DE CIERRE (10) INTERPUESTO ENTRE LAS DOS LAMINAS PARA FORMAR UN VOLUMEN ESTANCO ENE EL CUAL ESTA APRISIONADO UN MATERIAL ELECTRO-OPTICO (12); UNOS MEDIOS GENERADORES DE TENSION (18) UNIDOS A DICHOS ELECTRODOS PARA APLICAR UNA TENSION VARIABLE SOBRE DICHO MATERIAL A FIN DE HACER VARIAR LA TRANSMISION DE LA CELULA (4), AUTOMATICAMENTE O MANUALMENTE, EN FUNCION DE LA LUZ AMBIENTAL. SEGUN EL INVENTO, LA CELULA (4) COMPRENDE AL MENOS UN ELEMENTO (6) CARGADO DE UNA SUSTANCIA FOTOCROMICA QUE PRESENTA UNA ABSORCION QUE VARIA DE MANERA REVERSIBLE EN FUNCION DE LA INTENSIDAD DE LA LUZ AMBIENTAL. EL INVENTO SE APLICA PARTICULARMENTE A DISPOSITIVOS DE PROTECCION DE LOS OJOS
ES92922686T 1991-11-05 1992-10-31 Dispositivo electro-optico con transparencia variable. Expired - Lifetime ES2088599T3 (es)

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
ES2088599T3 true ES2088599T3 (es) 1996-08-16

Family

ID=25692484

Family Applications (1)

Application Number Title Priority Date Filing Date
ES92922686T Expired - Lifetime ES2088599T3 (es) 1991-11-05 1992-10-31 Dispositivo electro-optico con transparencia variable.

Country Status (11)

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

Families Citing this family (8)

* 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
RU2181213C2 (ru) * 2000-07-11 2002-04-10 Образцов Николай Львович Способ защиты глаз от ослепляющего оптического излучения
WO2005007048A1 (en) * 2003-07-10 2005-01-27 Lightswitch Safety Systems, Inc. Light sensor arrangement for auto-darkening lenses and method
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
US11314106B2 (en) * 2017-04-28 2022-04-26 Lg Chem, Ltd. Light modulation device
TWI739153B (zh) * 2018-09-04 2021-09-11 南韓商Ｌｇ化學股份有限公司 透射率可變元件及包含其的目鏡

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
AU612614B2 (en) * 1987-02-12 1991-07-18 Bernard Rosen Welding helmet

Also Published As

Publication number Publication date
EP0565684B1 (fr) 1996-04-17
ATE136763T1 (de) 1996-05-15
DE69210010T2 (de) 1996-11-07
AU663897B2 (en) 1995-10-26
CA2098825A1 (en) 1993-05-06
DE69210010D1 (de) 1996-05-23
SG65551A1 (en) 1999-06-22
WO1993008774A1 (fr) 1993-05-13
EP0565684A1 (fr) 1993-10-20
KR930702929A (ko) 1993-11-29
BR9205510A (pt) 1994-04-26
JPH06504146A (ja) 1994-05-12
AU2893292A (en) 1993-06-07

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