DE69911722D1 - Elektrolumineszenter Phosphor von mit Alkalijodid dotiertem Zinksulfid - Google Patents

Elektrolumineszenter Phosphor von mit Alkalijodid dotiertem Zinksulfid

Info

Publication number
DE69911722D1
DE69911722D1 DE69911722T DE69911722T DE69911722D1 DE 69911722 D1 DE69911722 D1 DE 69911722D1 DE 69911722 T DE69911722 T DE 69911722T DE 69911722 T DE69911722 T DE 69911722T DE 69911722 D1 DE69911722 D1 DE 69911722D1
Authority
DE
Germany
Prior art keywords
zinc sulfide
doped zinc
alkali iodide
iodide doped
electroluminescent
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
DE69911722T
Other languages
English (en)
Other versions
DE69911722T2 (de
Inventor
Nathaniel E Brese
Vaddi Butchi Reddy
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.)
Global Tungsten and Powders LLC
Original Assignee
Osram Sylvania Inc
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 Osram Sylvania Inc filed Critical Osram Sylvania Inc
Application granted granted Critical
Publication of DE69911722D1 publication Critical patent/DE69911722D1/de
Publication of DE69911722T2 publication Critical patent/DE69911722T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/61—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing fluorine, chlorine, bromine, iodine or unspecified halogen elements
    • C09K11/611—Chalcogenides
    • C09K11/612—Chalcogenides with zinc or cadmium
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/38—Devices for influencing the colour or wavelength of the light
    • H01J61/42—Devices for influencing the colour or wavelength of the light by transforming the wavelength of the light by luminescence
    • H01J61/44—Devices characterised by the luminescent material
    • 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
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/58—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing copper, silver or gold
    • C09K11/582—Chalcogenides
    • C09K11/584—Chalcogenides with zinc or cadmium
    • 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
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/61—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing fluorine, chlorine, bromine, iodine or unspecified halogen elements
    • C09K11/611—Chalcogenides
    • C09K11/613—Chalcogenides with alkali or alkakine earth metals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Luminescent Compositions (AREA)
  • Electroluminescent Light Sources (AREA)
DE69911722T 1998-12-01 1999-12-01 Elektrolumineszenter Phosphor von mit Alkalijodid dotiertem Zinksulfid Expired - Lifetime DE69911722T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US203145 1998-12-01
US09/203,145 US6090311A (en) 1998-12-01 1998-12-01 Alkali iodide doped zinc sulfide electroluminescent phoshor

Publications (2)

Publication Number Publication Date
DE69911722D1 true DE69911722D1 (de) 2003-11-06
DE69911722T2 DE69911722T2 (de) 2004-04-29

Family

ID=22752700

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69911722T Expired - Lifetime DE69911722T2 (de) 1998-12-01 1999-12-01 Elektrolumineszenter Phosphor von mit Alkalijodid dotiertem Zinksulfid

Country Status (5)

Country Link
US (1) US6090311A (de)
EP (1) EP1006171B1 (de)
JP (1) JP2000160154A (de)
KR (1) KR100617833B1 (de)
DE (1) DE69911722T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6387299B1 (en) * 2000-08-02 2002-05-14 Osram Sylvania Inc. Process for producing electroluminescent phosphor with increased efficiency
US7157845B2 (en) * 2004-09-29 2007-01-02 Osram Sylvania Inc Single-component yellow-emitting electroluminescent phosphor
US8278816B2 (en) * 2004-09-30 2012-10-02 Global Tungsten & Powders Corp. High CRI electroluminescent lamp
US7749405B2 (en) * 2004-09-30 2010-07-06 Global Tungsten & Powders Corp. White-emitting phosphor blend and electroluminescent lamp containing same
US7452483B2 (en) * 2004-09-30 2008-11-18 Global Tungsten & Powders Corp. Yellow-emitting phosphor blend for electroluminescent lamps
US7291291B2 (en) * 2005-03-30 2007-11-06 Osram Sylvania Inc. Electroluminescent phosphor powder with D50 value of less than 12 μm and method of making
US7288216B2 (en) * 2005-03-30 2007-10-30 Osram Sylvania Inc. Method of making electroluminescent phosphors with small particle sizes and powder with D50 value of no more than 10 micrometers
US20070096635A1 (en) * 2005-11-03 2007-05-03 Osram Sylvania Inc. Long-Afterglow Electroluminescent Lamp
US8298666B2 (en) * 2006-01-26 2012-10-30 Global Tungsten & Powders Corp. Moisture resistant electroluminescent phosphor with high initial brightness and method of making
US7833437B2 (en) * 2006-01-26 2010-11-16 Global Tungsten & Powders Corp. Moisture-resistant electroluminescent phosphor with high initial brightness and method of making

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52133887A (en) * 1976-05-06 1977-11-09 Matsushita Electric Ind Co Ltd Fluorescent substance
US4931651A (en) * 1984-12-18 1990-06-05 Kasei Optonix, Ltd. Phosphors and fluorescent compositions for emission of light under low-velocity electron excitation and fluorescent display devices utilizing the same
KR950004189B1 (ko) * 1991-12-30 1995-04-27 삼성전관주식회사 ZnS계 형광체의 제조방법

Also Published As

Publication number Publication date
KR100617833B1 (ko) 2006-08-28
EP1006171B1 (de) 2003-10-01
DE69911722T2 (de) 2004-04-29
KR20000047791A (ko) 2000-07-25
JP2000160154A (ja) 2000-06-13
US6090311A (en) 2000-07-18
EP1006171A1 (de) 2000-06-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: GLOBAL TUNGSTEN & POWDERS CORP. (N.D. GES.D.DE, US