FR2886418B1 - Utilisation d'un materiau a base de cristal liquide afin de fabriquer un dispositif d'obturation electro-optique, dispositif et casque stroboscopique conformes a cette utilisation - Google Patents

Utilisation d'un materiau a base de cristal liquide afin de fabriquer un dispositif d'obturation electro-optique, dispositif et casque stroboscopique conformes a cette utilisation

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Publication number
FR2886418B1
FR2886418B1 FR0505278A FR0505278A FR2886418B1 FR 2886418 B1 FR2886418 B1 FR 2886418B1 FR 0505278 A FR0505278 A FR 0505278A FR 0505278 A FR0505278 A FR 0505278A FR 2886418 B1 FR2886418 B1 FR 2886418B1
Authority
FR
France
Prior art keywords
stroboscopic
electro
liquid crystal
production
crystal material
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
FR0505278A
Other languages
English (en)
Other versions
FR2886418A1 (fr
Inventor
Bougrenet De La Tocnaye Jea De
Laurent Dupont
Bertrand Caillaud
Sylvie Gregoire
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.)
GET ENST BRETAGNE
Original Assignee
GET ENST BRETAGNE
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 GET ENST BRETAGNE filed Critical GET ENST BRETAGNE
Priority to FR0505278A priority Critical patent/FR2886418B1/fr
Priority to PCT/EP2006/062504 priority patent/WO2006125770A1/fr
Publication of FR2886418A1 publication Critical patent/FR2886418A1/fr
Application granted granted Critical
Publication of FR2886418B1 publication Critical patent/FR2886418B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/02—Liquid crystal materials characterised by optical, electrical or physical properties of the components, in general
    • C09K19/0266—Antiferroelectrics
    • 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
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/02—Liquid crystal materials characterised by optical, electrical or physical properties of the components, in general
    • C09K19/0225—Ferroelectric
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/06—Non-steroidal liquid crystal compounds
    • C09K19/08—Non-steroidal liquid crystal compounds containing at least two non-condensed rings
    • C09K19/10—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings
    • C09K19/12—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings at least two benzene rings directly linked, e.g. biphenyls
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/06—Non-steroidal liquid crystal compounds
    • C09K19/08—Non-steroidal liquid crystal compounds containing at least two non-condensed rings
    • C09K19/10—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings
    • C09K19/20—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings linked by a chain containing carbon and oxygen atoms as chain links, e.g. esters or ethers
    • C09K19/2007—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings linked by a chain containing carbon and oxygen atoms as chain links, e.g. esters or ethers the chain containing -COO- or -OCO- groups
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/06—Non-steroidal liquid crystal compounds
    • C09K19/34—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring
    • C09K19/3441—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring having nitrogen as hetero atom
    • C09K19/345—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring having nitrogen as hetero atom the heterocyclic ring being a six-membered aromatic ring containing two nitrogen atoms
    • C09K19/3458—Uncondensed pyrimidines
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/06—Non-steroidal liquid crystal compounds
    • C09K19/34—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring
    • C09K19/3491—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring having sulfur as hetero atom
    • C09K19/3497—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring having sulfur as hetero atom the heterocyclic ring containing sulfur and nitrogen atoms
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/52—Liquid crystal materials characterised by components which are not liquid crystals, e.g. additives with special physical aspect: solvents, solid particles
    • C09K19/54—Additives having no specific mesophase characterised by their chemical composition
    • C09K19/542—Macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/52—Liquid crystal materials characterised by components which are not liquid crystals, e.g. additives with special physical aspect: solvents, solid particles
    • C09K19/54—Additives having no specific mesophase characterised by their chemical composition
    • C09K19/542—Macromolecular compounds
    • C09K19/544—Macromolecular compounds as dispersing or encapsulating medium around the liquid crystal

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Ophthalmology & Optometry (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)
FR0505278A 2005-05-25 2005-05-25 Utilisation d'un materiau a base de cristal liquide afin de fabriquer un dispositif d'obturation electro-optique, dispositif et casque stroboscopique conformes a cette utilisation Expired - Fee Related FR2886418B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR0505278A FR2886418B1 (fr) 2005-05-25 2005-05-25 Utilisation d'un materiau a base de cristal liquide afin de fabriquer un dispositif d'obturation electro-optique, dispositif et casque stroboscopique conformes a cette utilisation
PCT/EP2006/062504 WO2006125770A1 (fr) 2005-05-25 2006-05-22 Utilisation d'un materiau a base de cristal liquide afin de fabriquer un dispositif d'obturation electro-optique, dispositif et casque stroboscopique conformes a cette utilisation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0505278A FR2886418B1 (fr) 2005-05-25 2005-05-25 Utilisation d'un materiau a base de cristal liquide afin de fabriquer un dispositif d'obturation electro-optique, dispositif et casque stroboscopique conformes a cette utilisation

Publications (2)

Publication Number Publication Date
FR2886418A1 FR2886418A1 (fr) 2006-12-01
FR2886418B1 true FR2886418B1 (fr) 2007-08-17

Family

ID=35058976

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0505278A Expired - Fee Related FR2886418B1 (fr) 2005-05-25 2005-05-25 Utilisation d'un materiau a base de cristal liquide afin de fabriquer un dispositif d'obturation electro-optique, dispositif et casque stroboscopique conformes a cette utilisation

Country Status (2)

Country Link
FR (1) FR2886418B1 (fr)
WO (1) WO2006125770A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2929420B1 (fr) * 2008-03-31 2010-08-20 Groupe Ecoles Telecomm Dispositif d'obturation electro-optique
CN102349845B (zh) * 2011-09-05 2013-07-03 天马微电子股份有限公司 电焊护目镜

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01177016A (ja) * 1987-12-28 1989-07-13 Sharp Corp 強誘電性液晶シャッタ
EP0864911A3 (fr) * 1988-03-24 1999-11-03 Denso Corporation Dispositif électro-optique à cristal liquide ferro-électrique et méthode pour sa fabrication
US5321533A (en) * 1992-09-24 1994-06-14 Kent State Universtiy Polymer dispersed ferroelectric smectic liquid crystal
SE502840C2 (sv) * 1993-05-10 1996-01-29 Optrel Ag Siktskyddsanordning
JPH09281528A (ja) * 1996-04-17 1997-10-31 Sharp Corp 強誘電性液晶素子、その製造方法、及び液晶素子の製造方法
KR100751188B1 (ko) * 2000-12-30 2007-08-22 엘지.필립스 엘시디 주식회사 강유전성 액정표시장치의 제조방법
KR100494704B1 (ko) * 2001-12-31 2005-06-13 비오이 하이디스 테크놀로지 주식회사 액정표시장치의 전도성 편광판

Also Published As

Publication number Publication date
WO2006125770A1 (fr) 2006-11-30
FR2886418A1 (fr) 2006-12-01

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Year of fee payment: 11

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Effective date: 20170131