KR930013061A - Pigmented Red Light Emitting Phosphor and Manufacturing Method Thereof - Google Patents

Pigmented Red Light Emitting Phosphor and Manufacturing Method Thereof Download PDF

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Publication number
KR930013061A
KR930013061A KR1019910023723A KR910023723A KR930013061A KR 930013061 A KR930013061 A KR 930013061A KR 1019910023723 A KR1019910023723 A KR 1019910023723A KR 910023723 A KR910023723 A KR 910023723A KR 930013061 A KR930013061 A KR 930013061A
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South Korea
Prior art keywords
red light
emitting phosphor
phosphor
indium
light emitting
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KR1019910023723A
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Korean (ko)
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KR950006081B1 (en
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박만기
정일혁
최종식
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김정배
삼성전관 주식회사
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Priority to KR1019910023723A priority Critical patent/KR950006081B1/en
Publication of KR930013061A publication Critical patent/KR930013061A/en
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Publication of KR950006081B1 publication Critical patent/KR950006081B1/en

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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

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

Abstract

내용 없음No content

Description

안료 부착 적색 발광 형광체 및 이의 제조방법Pigmented Red Light Emitting Phosphor and Manufacturing Method Thereof

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명의 실시예 1에 따른 안료 부착 적색 발광 형광체의 입자 모양을 나타내는 확대 사진.1 is an enlarged photograph showing the particle shape of a red light-emitting phosphor with a pigment according to Example 1 of the present invention.

Claims (9)

적색 발광 형광체와 그 표면에 부착된 안료로 이루어진 안료 부착 적색 발광 형광체에 있어서, 상기 안료가 황화인듐인 것을 특징으로하는 안료 부착 적색 발광 형광체.A red light emitting phosphor with pigment comprising a red light emitting phosphor and a pigment attached to the surface thereof, wherein the pigment is indium sulfide. 제1항에 있어서, 상기 황화인듐의 부착량이 상기 형광체의 양을 기준으로 하여 0.1 내지 10중량%인 것을 특징으로 하는 안료 부착 적색발광 형광체.The red light emitting phosphor with pigment according to claim 1, wherein the amount of the indium sulfide attached is 0.1 to 10% by weight based on the amount of the phosphor. 제1항 또는 2항에 있어서, 상기 적색 발광 형광체가 유로피움 부활 산황화이트륨 형광체(Y2O2S : Eu)인 것을 특징으로 하는 안료 부착 적색 발광 형광체.The red light emitting phosphor with pigment according to claim 1 or 2, wherein the red light emitting phosphor is a europium-activated yttrium sulphate phosphor (Y 2 O 2 S: Eu). 적색 발광 형광체를 순수에 분산시킨 용액과 인듐염을 순수에 용해시킨 용액을 혼합하여 교반하는 단계와 ; 상기 혼합액을 염기에 가하여 용액의 pH를 4 내지 7로 조절하는 단계와 ; 상기 혼합액을 여과 및 건조하여 얻어지는 건조물을 체질하는 단계와 ; 체질된 건조물을 내열성 도가니에 넣고 황화 수소 분위기하에서 700 내지 950℃ 온도 범위로 2 내지 8시간 동안 소성하는 단계를 포함하는 황화인듐 안료 부착 적색 발광 형광체의 제조방법.Mixing and stirring a solution in which the red light-emitting phosphor is dispersed in pure water and a solution in which indium salt is dissolved in pure water; Adding the mixed solution to a base to adjust the pH of the solution to 4 to 7; Sieving the dried product obtained by filtering and drying the mixed solution; The sieved dry matter is placed in a heat-resistant crucible and calcined for 2 to 8 hours at a temperature range of 700 to 950 ° C. under a hydrogen sulfide atmosphere. 제4항에 있어서, 상기 인듐염이 염화인듐(InCl3) 및 황산인듐[In2(SO4)3]중 적어도 하나인 것을 특징으로 하는 안료 부착 적색 발광 형광체의 제조방법.The method of claim 4, wherein the indium salt is at least one of indium chloride (InCl 3 ) and indium sulfate [In 2 (SO 4 ) 3 ]. 제4항에 있어서, 상기 염기가 수산화암모늄(NH4OH), 수산화칼륨(KOH) 및 수산화나트륨(NaOH)중 적어도 하나인 것을 특징으로 하는 안료 부착 적색 발광 형광체의 제조방법.The method of claim 4, wherein the base is at least one of ammonium hydroxide (NH 4 OH), potassium hydroxide (KOH), and sodium hydroxide (NaOH). 제4항에 있어서, 상기 염기를 가하여 용액의 pH를 조절하는 단계를 통해 형광체 표면에 수산화인듐염[In(OH)3]이 석출되는 것을 특징으로 하는 안료 부착 적색 발광 형광체의 제조방법.5. The method of claim 4, wherein an indium hydroxide salt [In (OH) 3 ] is deposited on the surface of the phosphor by adjusting the pH of the solution by adding the base. 제4항에 있어서, 상기 적색 발광 형광체가 유로피움 부활 산황화이트륨 형광체(Y2O2S : Eu)인 것을 특징으로 하는 안료 부착 적색 발광 형광체의 제조방법.The method of manufacturing a red light-emitting phosphor with a pigment according to claim 4, wherein the red light-emitting phosphor is a europium-activated yttrium sulphate phosphor (Y 2 O 2 S: Eu). 제4항에 있어서, 상기 환원 분위기는 황화수소 가스 분위기이며, 소성시 황화수소 가스의 주입 유량을 1.5ℓ/min의 속도로 조절하는 것을 특징으로 하는 안료 부착 적색 발광 형광체의 제조방법.The method of claim 4, wherein the reducing atmosphere is a hydrogen sulfide gas atmosphere, and the firing flow rate of the hydrogen sulfide gas is controlled at a rate of 1.5 l / min during firing. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910023723A 1991-12-20 1991-12-20 Red luminescent materials and its preparation method KR950006081B1 (en)

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KR1019910023723A KR950006081B1 (en) 1991-12-20 1991-12-20 Red luminescent materials and its preparation method

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Application Number Priority Date Filing Date Title
KR1019910023723A KR950006081B1 (en) 1991-12-20 1991-12-20 Red luminescent materials and its preparation method

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KR930013061A true KR930013061A (en) 1993-07-21
KR950006081B1 KR950006081B1 (en) 1995-06-08

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100278174B1 (en) * 1998-06-05 2001-01-15 김유혁 Manufacturing method of red color lighting luminescence based on boron oxide
KR100281292B1 (en) * 1998-04-15 2001-02-01 구자홍 Extension tube tightening structure of vacuum cleaner

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100281292B1 (en) * 1998-04-15 2001-02-01 구자홍 Extension tube tightening structure of vacuum cleaner
KR100278174B1 (en) * 1998-06-05 2001-01-15 김유혁 Manufacturing method of red color lighting luminescence based on boron oxide

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KR950006081B1 (en) 1995-06-08

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