KR920701378A - 희토류 산황화물 형광체의 제조방법 - Google Patents

희토류 산황화물 형광체의 제조방법

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Publication number
KR920701378A
KR920701378A KR1019910701508A KR910701508A KR920701378A KR 920701378 A KR920701378 A KR 920701378A KR 1019910701508 A KR1019910701508 A KR 1019910701508A KR 910701508 A KR910701508 A KR 910701508A KR 920701378 A KR920701378 A KR 920701378A
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KR
South Korea
Prior art keywords
rare earth
earth oxysulfide
oxysulfide
seeds
seed
Prior art date
Application number
KR1019910701508A
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English (en)
Other versions
KR0185153B1 (ko
Inventor
히데오 도노
요우지 드끼하시
가즈히또 이와사끼
Original Assignee
아라이 기꾸지
가세이옵토닉스 가부시끼가이샤
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.)
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Publication date
Application filed by 아라이 기꾸지, 가세이옵토닉스 가부시끼가이샤 filed Critical 아라이 기꾸지
Publication of KR920701378A publication Critical patent/KR920701378A/ko
Application granted granted Critical
Publication of KR0185153B1 publication Critical patent/KR0185153B1/ko

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    • 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
    • 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
    • C09K11/7784—Chalcogenides
    • C09K11/7787—Oxides
    • C09K11/7789—Oxysulfides
    • 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
    • C01F17/288—Sulfides
    • C01F17/294—Oxysulfides
    • 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
    • C09K11/7766—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals
    • C09K11/7767—Chalcogenides
    • C09K11/7769—Oxides
    • C09K11/7771—Oxysulfides

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

Abstract

내용 없음

Description

희토류 산화황물 형광체의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도 및 제2도는 실시예 1에서 씨드의 혼합비를 변화시켜 수득한 형광체 입자크기 d50및 입자크기 분포를 도시하는 그래프이다.

Claims (7)

  1. 희토류 산화물 및/또는 고온에서 용이하게 희토류 산화물로 될 수 있는 희토류 화합물, 황화제 및 융제를 함유하는 혼합물을 소성하여 희토류 산황화물 형광체를 제조하는 방법에 있어서, 상기 혼합물에 희토류 산황화물 씨드를 첨가하여 소성함을 특징으로 하는 희토류 산황화물 형광체의 제조방법.
  2. 제1항에 있어서, 희토류 산화물로 Ln2O3또는 그의 혼합 결정, 또는 고온에서 용이하게 희토류 산화물로 되는 희토류 화합물을 사용하고, 희토류 산황화물 씨드로 Ln202S; Ln'및/또는 Ln202S를 사용하여, Ln이 Gd,Y,Sc,Lu 및 La중의 적어도 한 원소이고 Ln'는 Eu,Tb,Sm,Pr,Dy 및 Tm중의 적어도 한 원소인 일반식 Ln202S : Ln'로 나타내는 희토류 산황화물 형광체를 제조함을 특징으로 하는 방법.
  3. 제1항에 있어서, 희토류 산화물 및 희토류 산황화물 씨드 총량에 대해 희토류 산황화물 씨드를 1~60중량%의 양으로 첨가함을 특징으로 하는 방법.
  4. 제3항에 있어서, 희토류 산황화물 씨드를 3~30중량%의 양으로 첨가함을 특징으로 하는 방법.
  5. 제1항에 있어서, 희토류 산황화물 씨드의 입자크기가 희토류 산황화물 형광체의 중앙 입자크기의 80%또는 그 미만임을 특징으로 하는 방법.
  6. 제1항에 있어서, 희토류 산황화물 씨드의 입자 크기의 주요부가 희토류 산황화물 형광체의 중앙 입자 크기의 10~70%범위내임을 특징으로 하는 방법.
  7. 제1항에 있어서, 회토류 산황화물 씨드는, Ln이 이트륨 및/또는 가돌리늄이고 Ln'는 유로퓸 또는 테르븀을 적어도 하나를 포함하는 원소인 Ln2O2S ; Ln'임을 특징으로 하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910701508A 1990-03-01 1991-03-01 희토류 산황화물 형광체의 제조방법 KR0185153B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2047230A JPH0737613B2 (ja) 1990-03-01 1990-03-01 希土類酸硫化物蛍光体の製造方法
JP90-47230 1990-03-01
PCT/JP1991/000276 WO1991013124A1 (en) 1990-03-01 1991-03-01 Process for producing rare earth oxysulfide phosphor

Publications (2)

Publication Number Publication Date
KR920701378A true KR920701378A (ko) 1992-08-11
KR0185153B1 KR0185153B1 (ko) 1999-04-01

Family

ID=12769409

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910701508A KR0185153B1 (ko) 1990-03-01 1991-03-01 희토류 산황화물 형광체의 제조방법

Country Status (6)

Country Link
US (1) US5217647A (ko)
EP (1) EP0471091B1 (ko)
JP (1) JPH0737613B2 (ko)
KR (1) KR0185153B1 (ko)
DE (1) DE69110575T2 (ko)
WO (1) WO1991013124A1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160034295A (ko) * 2013-07-19 2016-03-29 신에쓰 가가꾸 고교 가부시끼가이샤 자기 광학 재료 및 그 제조 방법과 자기 광학 디바이스

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0150725B1 (ko) * 1995-02-20 1998-10-01 구자홍 칼라브라운관의 적색 형광체
US5853945A (en) * 1996-06-03 1998-12-29 Fuji Photo Film Co., Ltd. High-contrast silver halide photographic material and photographic image forming system using the same
AU2003225781A1 (en) * 2002-03-13 2003-09-29 University Of Florida Novel methods for preparing rare-earth oxysulfide phosphors, and resulting materials
US7829162B2 (en) 2006-08-29 2010-11-09 international imagining materials, inc Thermal transfer ribbon
US8545784B2 (en) * 2006-10-20 2013-10-01 Neo International Corp. Method for the production of rare earth containing phosphates
KR101458026B1 (ko) * 2007-11-29 2014-11-06 삼성디스플레이 주식회사 희토류 나노형광체 및 그 제조 방법
JP6540784B2 (ja) * 2017-03-15 2019-07-10 日亜化学工業株式会社 アルミン酸塩蛍光体の製造方法、アルミン酸塩蛍光体及び発光装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6904459A (ko) * 1969-03-22 1970-09-24
US3647707A (en) * 1969-09-08 1972-03-07 Gen Electric Alkali monosulfide recrystallization of lanthanide oxysulfide luminescent material
US3837882A (en) * 1971-09-02 1974-09-24 Kewanee Oil Co Optical bodies with non-epitaxially grown crystals on surface
JPS5183889A (en) * 1975-01-20 1976-07-22 Nippon Toki Kk Tomeiseio jusuruketsushokagarasuyorinarukeikotai
JPS55157678A (en) * 1979-05-28 1980-12-08 Hitachi Ltd Preparation of fluorescent substance
JPS55165983A (en) * 1979-06-13 1980-12-24 Toshiba Corp Production of zinc sulfide phosphor
JPS57192484A (en) * 1981-05-21 1982-11-26 Toshiba Corp Preparation of fluorescent material
JPS5943090A (ja) * 1982-09-06 1984-03-09 Toshiba Corp 螢光体の製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160034295A (ko) * 2013-07-19 2016-03-29 신에쓰 가가꾸 고교 가부시끼가이샤 자기 광학 재료 및 그 제조 방법과 자기 광학 디바이스

Also Published As

Publication number Publication date
DE69110575T2 (de) 1996-03-21
JPH03252495A (ja) 1991-11-11
JPH0737613B2 (ja) 1995-04-26
WO1991013124A1 (en) 1991-09-05
EP0471091B1 (en) 1995-06-21
EP0471091A1 (en) 1992-02-19
KR0185153B1 (ko) 1999-04-01
EP0471091A4 (en) 1992-07-29
DE69110575D1 (de) 1995-07-27
US5217647A (en) 1993-06-08

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