FR2707764B1 - Headlight glass with selective UV filter. - Google Patents

Headlight glass with selective UV filter.

Info

Publication number
FR2707764B1
FR2707764B1 FR9308745A FR9308745A FR2707764B1 FR 2707764 B1 FR2707764 B1 FR 2707764B1 FR 9308745 A FR9308745 A FR 9308745A FR 9308745 A FR9308745 A FR 9308745A FR 2707764 B1 FR2707764 B1 FR 2707764B1
Authority
FR
France
Prior art keywords
selective
filter
headlight glass
headlight
glass
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
FR9308745A
Other languages
French (fr)
Other versions
FR2707764A1 (en
Inventor
Perret Frederic
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.)
Holophane SAS
Original Assignee
Holophane SAS
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 Holophane SAS filed Critical Holophane SAS
Priority to FR9308745A priority Critical patent/FR2707764B1/en
Publication of FR2707764A1 publication Critical patent/FR2707764A1/en
Application granted granted Critical
Publication of FR2707764B1 publication Critical patent/FR2707764B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C4/00—Compositions for glass with special properties
    • C03C4/08—Compositions for glass with special properties for glass selectively absorbing radiation of specified wave lengths
    • C03C4/085—Compositions for glass with special properties for glass selectively absorbing radiation of specified wave lengths for ultraviolet absorbing glass
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/095—Glass compositions containing silica with 40% to 90% silica, by weight containing rare earths
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/06—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for filtering out ultraviolet radiation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/28—Cover glass

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • Glass Compositions (AREA)
FR9308745A 1993-07-16 1993-07-16 Headlight glass with selective UV filter. Expired - Fee Related FR2707764B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9308745A FR2707764B1 (en) 1993-07-16 1993-07-16 Headlight glass with selective UV filter.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9308745A FR2707764B1 (en) 1993-07-16 1993-07-16 Headlight glass with selective UV filter.

Publications (2)

Publication Number Publication Date
FR2707764A1 FR2707764A1 (en) 1995-01-20
FR2707764B1 true FR2707764B1 (en) 1995-09-08

Family

ID=9449303

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9308745A Expired - Fee Related FR2707764B1 (en) 1993-07-16 1993-07-16 Headlight glass with selective UV filter.

Country Status (1)

Country Link
FR (1) FR2707764B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2799262B1 (en) * 1999-09-30 2001-12-21 Valeo Vision LIGHT DUCT LIGHTING MODULE FOR A MOTOR VEHICLE

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4022628A (en) * 1975-09-05 1977-05-10 American Optical Corporation Ion exchange-strengthened silicate glass filter for ultraviolet light
JPS60145930A (en) * 1984-01-09 1985-08-01 Toshiba Glass Co Ltd Glass filter and production thereof
JPH01219038A (en) * 1988-02-29 1989-09-01 Hoya Corp Optical glass filter and method for correcting transmissivity or absorbance in ultraviolet region with said filter
DE4109657A1 (en) * 1990-06-20 1992-01-02 Bosch Gmbh Robert HEADLIGHTS FOR MOTOR VEHICLES

Also Published As

Publication number Publication date
FR2707764A1 (en) 1995-01-20

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Legal Events

Date Code Title Description
ST Notification of lapse