DE69914022D1 - Verfahren zur Herstellung eines elektrolumineszenten Phosphors mit langer Lebensdauer - Google Patents

Verfahren zur Herstellung eines elektrolumineszenten Phosphors mit langer Lebensdauer

Info

Publication number
DE69914022D1
DE69914022D1 DE69914022T DE69914022T DE69914022D1 DE 69914022 D1 DE69914022 D1 DE 69914022D1 DE 69914022 T DE69914022 T DE 69914022T DE 69914022 T DE69914022 T DE 69914022T DE 69914022 D1 DE69914022 D1 DE 69914022D1
Authority
DE
Germany
Prior art keywords
producing
long lifetime
electroluminescent phosphor
electroluminescent
phosphor
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
DE69914022T
Other languages
English (en)
Other versions
DE69914022T2 (de
Inventor
Chen-Wen Fan
Richard G W Gingerich
Dale E Benjamin
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
Publication of DE69914022D1 publication Critical patent/DE69914022D1/de
Application granted granted Critical
Publication of DE69914022T2 publication Critical patent/DE69914022T2/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
    • C09K11/02—Use of particular materials as binders, particle coatings or suspension media therefor
    • 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
    • C09K11/02—Use of particular materials as binders, particle coatings or suspension media therefor
    • C09K11/025—Use of particular materials as binders, particle coatings or suspension media therefor non-luminescent particle coatings or suspension media
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated
    • Y10T428/2993—Silicic or refractory material containing [e.g., tungsten oxide, glass, cement, etc.]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Luminescent Compositions (AREA)
  • Electroluminescent Light Sources (AREA)
  • Chemical Vapour Deposition (AREA)
DE69914022T 1998-06-02 1999-06-02 Verfahren zur Herstellung eines elektrolumineszenten Phosphors mit langer Lebensdauer Expired - Lifetime DE69914022T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US8769798P 1998-06-02 1998-06-02
US87697P 1998-06-02
US17722698A 1998-10-22 1998-10-22
US177226 1998-10-22

Publications (2)

Publication Number Publication Date
DE69914022D1 true DE69914022D1 (de) 2004-02-12
DE69914022T2 DE69914022T2 (de) 2004-06-09

Family

ID=26777288

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69914022T Expired - Lifetime DE69914022T2 (de) 1998-06-02 1999-06-02 Verfahren zur Herstellung eines elektrolumineszenten Phosphors mit langer Lebensdauer

Country Status (7)

Country Link
US (1) US6686043B1 (de)
EP (1) EP0964043B1 (de)
JP (1) JP3286264B2 (de)
KR (1) KR100325968B1 (de)
CN (1) CN1134525C (de)
CA (1) CA2268602C (de)
DE (1) DE69914022T2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6733826B2 (en) * 2000-12-18 2004-05-11 Osram Sylvania Inc. Method and apparatus for coating electroluminescent phosphors
KR100455401B1 (ko) * 2001-12-12 2004-11-06 유재수 유동층을 이용한 형광체 표면처리 방법
TW200417594A (en) 2002-10-07 2004-09-16 Matsushita Electric Ind Co Ltd Phosphor and method of treating phosphor
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
CN105838351B (zh) * 2016-04-21 2018-04-20 湖南农业大学 一种改善发光材料热稳定性的方法
CN105885823B (zh) * 2016-04-21 2018-07-31 湖南农业大学 一种改善发光材料化学稳定性的方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4825124A (en) * 1984-05-07 1989-04-25 Gte Laboratories Incorporated Phosphor particle, fluorescent lamp, and manufacturing method
US4585673A (en) * 1984-05-07 1986-04-29 Gte Laboratories Incorporated Method for coating phosphor particles
US5156885A (en) * 1990-04-25 1992-10-20 Minnesota Mining And Manufacturing Company Method for encapsulating electroluminescent phosphor particles
US5080928A (en) * 1990-10-05 1992-01-14 Gte Laboratories Incorporated Method for making moisture insensitive zinc sulfide based luminescent materials
EP0560617A3 (en) * 1992-03-13 1993-11-24 Kawasaki Steel Co Method of manufacturing insulating film on semiconductor device and apparatus for carrying out the same
DE19849581B4 (de) * 1997-10-27 2005-05-12 Osram Sylvania Inc., Danvers Verfahren zur Herstellung eines elektrolumineszenten Phosphors mit langer Lebensdauer
US6361864B1 (en) * 1998-06-02 2002-03-26 Osram Sylvania Inc. Method for making high-efficacy and long life electroluminescent phophor

Also Published As

Publication number Publication date
CA2268602A1 (en) 1999-12-02
CA2268602C (en) 2004-06-22
KR20000005756A (ko) 2000-01-25
JP3286264B2 (ja) 2002-05-27
CN1237611A (zh) 1999-12-08
KR100325968B1 (ko) 2002-03-07
EP0964043B1 (de) 2004-01-07
EP0964043A1 (de) 1999-12-15
JP2000096044A (ja) 2000-04-04
CN1134525C (zh) 2004-01-14
DE69914022T2 (de) 2004-06-09
US6686043B1 (en) 2004-02-03

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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