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WO2007010462A3 - High-refractive optical material and electric lamp with interference film - Google Patents

High-refractive optical material and electric lamp with interference film Download PDF

Info

Publication number
WO2007010462A3
WO2007010462A3 PCT/IB2006/052412 IB2006052412W WO2007010462A3 WO 2007010462 A3 WO2007010462 A3 WO 2007010462A3 IB 2006052412 W IB2006052412 W IB 2006052412W WO 2007010462 A3 WO2007010462 A3 WO 2007010462A3
Authority
WO
WIPO (PCT)
Prior art keywords
refractive optical
mole
optical material
oxide
interference film
Prior art date
Application number
PCT/IB2006/052412
Other languages
French (fr)
Other versions
WO2007010462A2 (en
Inventor
Sprang Hans Van
Grootel Margot L Van
Original Assignee
Koninkl Philips Electronics Nv
Sprang Hans Van
Grootel Margot L Van
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 Koninkl Philips Electronics Nv, Sprang Hans Van, Grootel Margot L Van filed Critical Koninkl Philips Electronics Nv
Publication of WO2007010462A2 publication Critical patent/WO2007010462A2/en
Publication of WO2007010462A3 publication Critical patent/WO2007010462A3/en

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
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
    • C03C17/3411—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions with at least two coatings of inorganic materials
    • C03C17/3417—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions with at least two coatings of inorganic materials all coatings being oxide coatings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/30—Vessels; Containers
    • H01J61/34—Double-wall vessels or containers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/30—Vessels; Containers
    • H01J61/35—Vessels; Containers provided with coatings on the walls thereof; Selection of materials for the coatings
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/28—Interference filters
    • G02B5/281—Interference filters designed for the infrared light
    • G02B5/282—Interference filters designed for the infrared light reflecting for infrared and transparent for visible light, e.g. heat reflectors, laser protection

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Optical Filters (AREA)

Abstract

The electric lamp has a light-transmitting lamp vessel (1) accommodating a light source (2) provided with an interference film (5) comprising a plurality of high- refractive and low-refractive optical layers. The high-refractive optical layer comprises a high-refractive optical material with a rutile structure and a mixed oxide of 96-99 mole% titanium oxide and 1-4 mole% niobium oxide. The mixed oxide is preferably constituted by 97-98 mole% titanium oxide and 2-3 mole% niobium oxide. The invention also relates to a high-refractive optical material having a rutile structure formed by a mixed oxide of 96-99 mole% titanium oxide and 1-4 mole% niobium oxide. In the high-refractive optical material according to the invention, the grain size growth is substantially hampered during life and the phase transition from anatase to rutile is prevented.
PCT/IB2006/052412 2005-07-20 2006-07-14 High-refractive optical material and electric lamp with interference film WO2007010462A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP05106630 2005-07-20
EP05106630.6 2005-07-20

Publications (2)

Publication Number Publication Date
WO2007010462A2 WO2007010462A2 (en) 2007-01-25
WO2007010462A3 true WO2007010462A3 (en) 2007-05-10

Family

ID=37596432

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2006/052412 WO2007010462A2 (en) 2005-07-20 2006-07-14 High-refractive optical material and electric lamp with interference film

Country Status (1)

Country Link
WO (1) WO2007010462A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102159513A (en) * 2008-09-17 2011-08-17 旭硝子欧洲玻璃公司 High reflection glazing

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101990695A (en) * 2008-04-02 2011-03-23 奥斯兰姆有限公司 High efficiency projection system
US8197940B2 (en) 2008-07-25 2012-06-12 Ppg Industries Ohio, Inc. Aqueous suspension for pyrolytic spray coating
DE202009008919U1 (en) 2009-06-29 2009-09-10 Osram Gesellschaft mit beschränkter Haftung halogen bulb
US8035285B2 (en) 2009-07-08 2011-10-11 General Electric Company Hybrid interference coatings, lamps, and methods
DE202009012809U1 (en) 2009-09-22 2009-12-31 Osram Gesellschaft mit beschränkter Haftung halogen bulb
US8823250B2 (en) * 2012-01-05 2014-09-02 Massachusetts Institute Of Technology High efficiency incandescent lighting
US9115864B2 (en) 2013-08-21 2015-08-25 General Electric Company Optical interference filters, and filament tubes and lamps provided therewith

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0300579A2 (en) * 1987-07-22 1989-01-25 Philips Patentverwaltung GmbH Optical interference filter
GB2238400A (en) * 1989-11-24 1991-05-29 Toshiba Lighting & Technology Optical interference film for a lamp
EP1043606A1 (en) * 1999-04-06 2000-10-11 Nippon Sheet Glass Co. Ltd. Light transmitting electromagnetic wave filter and process for producing the same
US20030170504A1 (en) * 2001-03-19 2003-09-11 Nippon Sheet Glass Co., Ltd. Dielectric film having high refractive index and method for preparation thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0300579A2 (en) * 1987-07-22 1989-01-25 Philips Patentverwaltung GmbH Optical interference filter
GB2238400A (en) * 1989-11-24 1991-05-29 Toshiba Lighting & Technology Optical interference film for a lamp
EP1043606A1 (en) * 1999-04-06 2000-10-11 Nippon Sheet Glass Co. Ltd. Light transmitting electromagnetic wave filter and process for producing the same
US20030170504A1 (en) * 2001-03-19 2003-09-11 Nippon Sheet Glass Co., Ltd. Dielectric film having high refractive index and method for preparation thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102159513A (en) * 2008-09-17 2011-08-17 旭硝子欧洲玻璃公司 High reflection glazing
CN102159513B (en) * 2008-09-17 2015-06-24 旭硝子欧洲玻璃公司 High reflection glazing

Also Published As

Publication number Publication date
WO2007010462A2 (en) 2007-01-25

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