EP1251308A2 - Réflecteur avec une couche d'argent - Google Patents

Réflecteur avec une couche d'argent Download PDF

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Publication number
EP1251308A2
EP1251308A2 EP02004083A EP02004083A EP1251308A2 EP 1251308 A2 EP1251308 A2 EP 1251308A2 EP 02004083 A EP02004083 A EP 02004083A EP 02004083 A EP02004083 A EP 02004083A EP 1251308 A2 EP1251308 A2 EP 1251308A2
Authority
EP
European Patent Office
Prior art keywords
reflector
silver
containing silver
spraying
layer containing
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.)
Pending
Application number
EP02004083A
Other languages
German (de)
English (en)
Inventor
Ulrich Zirfas
Rolf Meyer
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.)
Schott AG
Original Assignee
Carl Zeiss AG
Schott Glaswerke 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
Application filed by Carl Zeiss AG, Schott Glaswerke AG filed Critical Carl Zeiss AG
Publication of EP1251308A2 publication Critical patent/EP1251308A2/fr
Pending legal-status Critical Current

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Classifications

    • 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
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/37—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors characterised by their material, surface treatment or coatings
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
    • F21V7/28—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by coatings

Definitions

  • the invention relates to a reflector, in particular for stationary use.
  • the inside surface is generally coated. Its inner surface can be faceted.
  • Reflectors of the type mentioned are used in automobile construction. you find but also stationary use, for example in business premises and in General lighting area, also for video devices and as Stage Light.
  • Ultraviolet rays are generated in the area of such reflectors. The ultraviolet rays are not reflected and emerge through the housing.
  • the invention has for its object to provide a reflector that can be operated over longer periods of time and its environment Contains plastics without the plastic becoming brittle or deforming.
  • the inventors recognized the following:
  • part of the UV radiation generated by the luminous element is also passed through the jacket, so that this UV radiation leaches out the plastic of the components in the vicinity of the reflector and thus renders it inoperative.
  • the invention thus enables use of plastic in cases where this was not possible before. So the components that surround the reflector can be made of plastic themselves become. This allows all the advantages to be exploited, the plastic as such offers, namely light weight and low cost.
  • the silver diffusion color according to the invention can in any way on the Be applied outside of the reflector, for example by diving, Spraying, application, thus using cost-effective processes. Does the Reflector made of glass, and it's all about protecting components that are outside the reflector, so the silver diffusion color on the External surface of the jacket of the reflector applied.
  • Figures 1 and 2 show the percent permeability plotted against the measured wavelengths.
  • Figure 1 illustrates the measurement of a reflector without silver-containing Layer. In the UV range at 350 nm, a permeability of 28% measured. In the visible range, the permeability is below 2%.
  • Figure 2 shows the measurement with a reflector according to the invention, the one has silver-containing layer on its outside. The lies in the UV range Permeability at 0%. The same result is achieved in the visible area.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Laminated Bodies (AREA)
EP02004083A 2001-04-19 2002-02-25 Réflecteur avec une couche d'argent Pending EP1251308A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10119124 2001-04-19
DE10119124A DE10119124C1 (de) 2001-04-19 2001-04-19 Verwendung von in die Außenfläche des Mantels eines Reflektors eindiffundierten Silberionen zum Schutz vor UV-Strahlung

Publications (1)

Publication Number Publication Date
EP1251308A2 true EP1251308A2 (fr) 2002-10-23

Family

ID=7681928

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02004083A Pending EP1251308A2 (fr) 2001-04-19 2002-02-25 Réflecteur avec une couche d'argent

Country Status (4)

Country Link
US (1) US20020172830A1 (fr)
EP (1) EP1251308A2 (fr)
JP (1) JP2002333513A (fr)
DE (1) DE10119124C1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004047104A1 (de) * 2004-09-29 2006-04-06 Schott Ag UV-Sperrfilter
US20130078908A1 (en) 2011-09-27 2013-03-28 Rivada Research, Llc Method and System for Providing Explosion Proof Emergency Communication Relay Module

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE414170C (de) * 1925-05-29 Ica Akt Ges Silberspiegel fuer Beleuchtungszwecke
DE641873C (de) * 1934-11-22 1937-02-16 Bausch & Lomb Optical Co Vorrichtung zur Herstellung von Reflektoren mit auf einer Glasform niedergeschlagener Silberschicht mit verstaerkender Rueckenschicht
US3983513A (en) * 1973-10-18 1976-09-28 Westinghouse Electric Corporation Incandescent lamp having a halogen-containing atmosphere and an integral reflector of non-reactive specular metal
US4285992A (en) * 1980-01-28 1981-08-25 The United States Of America As Represented By The United States Department Of Energy Process for preparing improved silvered glass mirrors
DE8219571U1 (de) * 1982-07-08 1982-11-11 Flabeg GmbH, 8510 Fürth Befestigungselement an spiegeln fuer solar-reflektoren

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2946713A1 (de) * 1979-11-20 1981-05-21 Basf Farben + Fasern Ag, 2000 Hamburg Verfahren zum herstellen einer reflektierenden oberflaeche
JP2000321409A (ja) * 1999-05-11 2000-11-24 Canon Inc 裏面反射鏡

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE414170C (de) * 1925-05-29 Ica Akt Ges Silberspiegel fuer Beleuchtungszwecke
DE641873C (de) * 1934-11-22 1937-02-16 Bausch & Lomb Optical Co Vorrichtung zur Herstellung von Reflektoren mit auf einer Glasform niedergeschlagener Silberschicht mit verstaerkender Rueckenschicht
US3983513A (en) * 1973-10-18 1976-09-28 Westinghouse Electric Corporation Incandescent lamp having a halogen-containing atmosphere and an integral reflector of non-reactive specular metal
US4285992A (en) * 1980-01-28 1981-08-25 The United States Of America As Represented By The United States Department Of Energy Process for preparing improved silvered glass mirrors
DE8219571U1 (de) * 1982-07-08 1982-11-11 Flabeg GmbH, 8510 Fürth Befestigungselement an spiegeln fuer solar-reflektoren

Also Published As

Publication number Publication date
DE10119124C1 (de) 2003-04-03
US20020172830A1 (en) 2002-11-21
JP2002333513A (ja) 2002-11-22

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