FR2004956A1 - Preparing a luminescent substance activated by europium - for emitting red light - Google Patents

Preparing a luminescent substance activated by europium - for emitting red light

Info

Publication number
FR2004956A1
FR2004956A1 FR6909169A FR6909169A FR2004956A1 FR 2004956 A1 FR2004956 A1 FR 2004956A1 FR 6909169 A FR6909169 A FR 6909169A FR 6909169 A FR6909169 A FR 6909169A FR 2004956 A1 FR2004956 A1 FR 2004956A1
Authority
FR
France
Prior art keywords
red light
luminescent substance
group
element selected
europium
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.)
Withdrawn
Application number
FR6909169A
Other languages
French (fr)
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electronics Corp
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 Matsushita Electronics Corp filed Critical Matsushita Electronics Corp
Publication of FR2004956A1 publication Critical patent/FR2004956A1/en
Withdrawn legal-status Critical Current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
    • C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
    • C09K11/7783—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals one of which being europium
    • C09K11/7794—Vanadates; Chromates; Molybdates; Tungstates
    • 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
    • C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
    • C09K11/7783—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals one of which being europium
    • 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
    • C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
    • C09K11/7783—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals one of which being europium
    • C09K11/7793—Germanates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Luminescent Compositions (AREA)

Abstract

Substance has formula (A31 plus-or-minus xEux)2.B4+.C6+.O8 where A3+ is at least one trivalent element selected from the group comprising yttrium and gadolinium, B4+ at least one tetravalent element selected from the group comprising silicium, germanium, tin, titanium and zirconium, C6+ is at least one hexavalent element selected from the group comprising molybdenum and tungsten and x is limited by the inequality 0.01= x =0.3. Optionally x may be limited by the inequality 0.05= x =0.2. Luminescent substance is obtained which is chemically stable and efficiently emits red light on excitation of an ultra-violet radition of a beam of electrons. Use relates to cathode ray tubes and high pressure mercury lamps.
FR6909169A 1968-03-28 1969-03-27 Preparing a luminescent substance activated by europium - for emitting red light Withdrawn FR2004956A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP43020861A JPS4830834B1 (en) 1968-03-28 1968-03-28

Publications (1)

Publication Number Publication Date
FR2004956A1 true FR2004956A1 (en) 1969-12-05

Family

ID=12038894

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6909169A Withdrawn FR2004956A1 (en) 1968-03-28 1969-03-27 Preparing a luminescent substance activated by europium - for emitting red light

Country Status (5)

Country Link
JP (1) JPS4830834B1 (en)
DE (1) DE1915360B2 (en)
FR (1) FR2004956A1 (en)
GB (1) GB1198965A (en)
NL (1) NL6904608A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3639252A (en) * 1970-01-26 1972-02-01 Westinghouse Electric Corp New orange-red emitting europium-activated yttrium stannate phosphor for warm-white blends
NL7009688A (en) * 1970-07-01 1972-01-04
KR100730122B1 (en) 2004-12-24 2007-06-19 삼성에스디아이 주식회사 Yttrium based phosphors comprising a conductive material, the process for preparing the same, and the display device using the same

Also Published As

Publication number Publication date
DE1915360A1 (en) 1969-10-09
GB1198965A (en) 1970-07-15
JPS4830834B1 (en) 1973-09-25
NL6904608A (en) 1969-09-30
DE1915360B2 (en) 1971-04-29

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Legal Events

Date Code Title Description
ST Notification of lapse