DE1283999B - Verfahren zum Herstellen von mit Europium aktivierten Gadolinium- und/oder Yttriumoxyd-Leuchtstoffen - Google Patents

Verfahren zum Herstellen von mit Europium aktivierten Gadolinium- und/oder Yttriumoxyd-Leuchtstoffen

Info

Publication number
DE1283999B
DE1283999B DEM71720A DEM0071720A DE1283999B DE 1283999 B DE1283999 B DE 1283999B DE M71720 A DEM71720 A DE M71720A DE M0071720 A DEM0071720 A DE M0071720A DE 1283999 B DE1283999 B DE 1283999B
Authority
DE
Germany
Prior art keywords
oxide
europium
gadolinium
phosphors
added
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
DEM71720A
Other languages
German (de)
English (en)
Inventor
Mizuno Hideo
Masuda Mutsuo
Murayama Setsuko
Kobayashi Yoshichika
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 DE1283999B publication Critical patent/DE1283999B/de
Pending 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 materials, e.g. electroluminescent or chemiluminescent
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F17/00—Compounds of rare earth metals
    • C01F17/20—Compounds containing only rare earth metals as the metal element
    • C01F17/206—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
    • C01F17/241—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion containing two or more rare earth metals, e.g. NdPrO3 or LaNdPrO3
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/80—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70
    • C01P2002/84—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70 by UV- or VIS- data
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/01—Particle morphology depicted by an image
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/01—Particle morphology depicted by an image
    • C01P2004/03—Particle morphology depicted by an image obtained by SEM
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/50—Agglomerated particles
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Luminescent Compositions (AREA)
DEM71720A 1965-11-22 1966-11-21 Verfahren zum Herstellen von mit Europium aktivierten Gadolinium- und/oder Yttriumoxyd-Leuchtstoffen Pending DE1283999B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7190265 1965-11-22

Publications (1)

Publication Number Publication Date
DE1283999B true DE1283999B (de) 1968-11-28

Family

ID=13473919

Family Applications (1)

Application Number Title Priority Date Filing Date
DEM71720A Pending DE1283999B (de) 1965-11-22 1966-11-21 Verfahren zum Herstellen von mit Europium aktivierten Gadolinium- und/oder Yttriumoxyd-Leuchtstoffen

Country Status (6)

Country Link
US (1) US3457184A (enExample)
BE (1) BE689975A (enExample)
DE (1) DE1283999B (enExample)
FR (1) FR1501441A (enExample)
GB (1) GB1127166A (enExample)
NL (2) NL6616357A (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL131569C (enExample) * 1965-12-28 1900-01-01
GB1159350A (en) * 1968-04-30 1969-07-23 British Lighting Ind Ltd Luminescent Materials
US3544478A (en) * 1969-02-18 1970-12-01 Westinghouse Electric Corp Method for producing europium activated yttrium oxide phosphors
US3619265A (en) * 1969-02-28 1971-11-09 Gte Sylvania Inc Rare earth oxide having inert layer thereon and method of making same
US3709826A (en) * 1970-06-01 1973-01-09 Mallinckrodt Chemical Works Haloapatite phosphors in the form of spherical particles and method of making same
US3717584A (en) * 1970-06-11 1973-02-20 Radium Corp Method for preparing rare earth oxide phosphors
US3878119A (en) * 1972-12-26 1975-04-15 Gen Electric Preparation of rare-earth oxysulfide phosphors
JPS51119388A (en) * 1975-03-19 1976-10-19 Gte Sylvania Inc Fluorescent substances
JPS61266488A (ja) * 1985-05-21 1986-11-26 Mitsubishi Electric Corp 陰極線管用蛍光体
JPS62104893A (ja) * 1985-10-31 1987-05-15 Sony Corp 小粒子螢光体の作製方法
US4883970A (en) * 1986-08-15 1989-11-28 E. I. Du Pont De Nemours And Company X-ray intensifying screens containing activated rare earth borates
JPH0811691B2 (ja) * 1993-03-22 1996-02-07 工業技術院長 イットリウム／ユウロピウム含有共沈体球形微粒子の製造方法、その共沈体焼成球形微粒子及び蛍光体
JP2003524676A (ja) * 1998-12-17 2003-08-19 アイシス・イノベーション・リミテッド 希土類元素活性化燐光物質
GB0012377D0 (en) * 2000-05-22 2000-07-12 Isis Innovation Oxide based phosphors
MY145695A (en) * 2001-01-24 2012-03-30 Nichia Corp Light emitting diode, optical semiconductor device, epoxy resin composition suited for optical semiconductor device, and method for manufacturing the same
DE102013203048A1 (de) * 2013-02-25 2014-08-28 Siemens Aktiengesellschaft Verfahren zur Gewinnung von Seltenen Erden

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3368980A (en) * 1964-12-24 1968-02-13 Gen Telephone & Elect Method of preparing yttrium oxide phosphors
US3322682A (en) * 1965-04-23 1967-05-30 American Potash & Chem Corp Rare earth oxide and vanadate phosphors

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
US3457184A (en) 1969-07-22
NL6616357A (enExample) 1967-05-23
GB1127166A (en) 1968-09-11
NL129105C (enExample)
BE689975A (enExample) 1967-05-02
FR1501441A (fr) 1967-11-10

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Legal Events

Date Code Title Description
E77 Valid patent as to the heymanns-index 1977
EF Willingness to grant licences