KR940019829A - Green phosphor - Google Patents

Green phosphor Download PDF

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Publication number
KR940019829A
KR940019829A KR1019930001566A KR930001566A KR940019829A KR 940019829 A KR940019829 A KR 940019829A KR 1019930001566 A KR1019930001566 A KR 1019930001566A KR 930001566 A KR930001566 A KR 930001566A KR 940019829 A KR940019829 A KR 940019829A
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KR
South Korea
Prior art keywords
green phosphor
laocl
present
dissolved
mixed
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KR1019930001566A
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Korean (ko)
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KR100244948B1 (en
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윤원호
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박경팔
삼성전관 주식회사
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Priority to KR1019930001566A priority Critical patent/KR100244948B1/en
Publication of KR940019829A publication Critical patent/KR940019829A/en
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Publication of KR100244948B1 publication Critical patent/KR100244948B1/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 materials, e.g. electroluminescent or chemiluminescent
    • C09K11/08—Luminescent materials, e.g. electroluminescent or chemiluminescent containing inorganic luminescent materials
    • C09K11/77—Luminescent materials, e.g. electroluminescent or chemiluminescent containing inorganic luminescent materials containing rare earth metals
    • C09K11/7766—Luminescent materials, e.g. electroluminescent or chemiluminescent containing inorganic luminescent materials containing rare earth metals containing two or more 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 materials, e.g. electroluminescent or chemiluminescent
    • C09K11/08—Luminescent materials, e.g. electroluminescent or chemiluminescent containing inorganic luminescent materials
    • C09K11/77—Luminescent materials, e.g. electroluminescent or chemiluminescent containing inorganic luminescent materials containing rare earth metals
    • C09K11/7743—Luminescent materials, e.g. electroluminescent or chemiluminescent containing inorganic luminescent materials containing rare earth metals containing terbium

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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

본 발명은 휘도와 색좌표가 우수한 투사영 칼라 브라운관 형광막 제조용 녹생 형과체에 관한 것이다.The present invention relates to a greenish green mold for producing projection projection color CRT fluorescent film having excellent luminance and color coordinates.

본 발명은 따른 형광체는 Pr을 10~100ppm 함유함을 특징으로 하는 LaOcl : Tb, Ti 녹색 형광체이다The phosphor according to the present invention is a LaOcl: Tb, Ti green phosphor characterized by containing 10 to 100 ppm of Pr.

Description

녹색 형광체Green phosphor

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 LaOcl : Tb, Ti 녹색 형광체의 Pr 첨가량에 따른 휘도 변화를 도식한 그래프도이며,1 is a graph showing the change in luminance according to the amount of Pr addition of LaOcl: Tb, Ti green phosphor,

제2도는 LaOcl : Tb, Ti 녹생 형광체의 Pr 첨가량에 따른 색좌표 변화를 도식한 그래프도이다.2 is a graph showing the change in color coordinates according to the amount of Pr addition of LaOcl: Tb and Ti green phosphors.

Claims (2)

Pr을 10~100ppm 함유함을 특징으로 하는 LaOcl : Tb, Ti 녹색 형광체.LaOcl: Tb, Ti green phosphor, characterized by containing 10 ~ 100ppm of Pr. La2O3와 Tb4O7을 혼합하고 질산으로 용해한 다음 Pr 용액을 혼합하고 옥살산을 가하여 침전물을 형성시킨 후 세정, 건조시킨 다음 900~1100℃로 1차 소성한 다음, flux NH4cl을 혼합한 다음 2차 소성한 다음, 환원 분위기에서 3차 소성하고 산세정, 건조하는 것으로 이루어지는 것을 특징으로 하는 Pr을 포함하는 LaOcl : Tb,Ti 녹색 형광체 제조방법.La 2 O 3 and Tb 4 O 7 are mixed, dissolved with nitric acid, Pr solution is mixed, oxalic acid is added to form a precipitate, washed, dried and calcined first at 900 to 1100 ° C., and then flux NH 4 cl is dissolved. LaOcl: Tb, Ti green phosphor manufacturing method comprising a Pr, characterized in that after mixing and the secondary firing, and then the third firing in a reducing atmosphere, pickling, and drying. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930001566A 1993-02-05 1993-02-05 Green fluorescent material Expired - Fee Related KR100244948B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019930001566A KR100244948B1 (en) 1993-02-05 1993-02-05 Green fluorescent material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019930001566A KR100244948B1 (en) 1993-02-05 1993-02-05 Green fluorescent material

Publications (2)

Publication Number Publication Date
KR940019829A true KR940019829A (en) 1994-09-15
KR100244948B1 KR100244948B1 (en) 2000-02-15

Family

ID=19350431

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019930001566A Expired - Fee Related KR100244948B1 (en) 1993-02-05 1993-02-05 Green fluorescent material

Country Status (1)

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KR (1) KR100244948B1 (en)

Also Published As

Publication number Publication date
KR100244948B1 (en) 2000-02-15

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