KR100992949B1 - 형광체의 제조방법 - Google Patents
형광체의 제조방법 Download PDFInfo
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- KR100992949B1 KR100992949B1 KR1020080095149A KR20080095149A KR100992949B1 KR 100992949 B1 KR100992949 B1 KR 100992949B1 KR 1020080095149 A KR1020080095149 A KR 1020080095149A KR 20080095149 A KR20080095149 A KR 20080095149A KR 100992949 B1 KR100992949 B1 KR 100992949B1
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- phosphor
- sol
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- silica
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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
- C09K11/59—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing silicon
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- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/624—Sol-gel processing
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- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/54—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing zinc or cadmium
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- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/57—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing manganese or rhenium
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J11/00—Gas-filled discharge tubes with alternating current induction of the discharge, e.g. alternating current plasma display panels [AC-PDP]; Gas-filled discharge tubes without any main electrode inside the vessel; Gas-filled discharge tubes with at least one main electrode outside the vessel
- H01J11/20—Constructional details
- H01J11/34—Vessels, containers or parts thereof, e.g. substrates
- H01J11/42—Fluorescent layers
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- 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
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3418—Silicon oxide, silicic acids or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
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- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
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- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Dispersion Chemistry (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Luminescent Compositions (AREA)
Abstract
Description
Claims (9)
- 플라즈마 표시 패널(PDP) 또는 잉크젯용으로 사용되는 형광체의 제조방법에 있어서,출발 물질인 Zn(NO3)2·6H2O 와 Mn(NO3)2·XH2O를 탈 이온수로 용해시키는 제1 단계;상기 제1 단계의 용액과 구연산의 몰비율(molar ratio) 3:1이 되도록 상기 구연산을 첨가하여 용해시키는 제2 단계;상기 제2 단계 용액의 PH가 1 내지 2가 되도록 질산(HNO3)을 혼합하는 제3 단계;균일한 전구 물질을 얻기 위해 상기 제3 단계의 용액을 휘저으면서, 실리카-졸을 적상하는 제4 단계;상기 제4 단계의 용액을 일정시간 휘저은 후, 히터에서 태워 연소된 분말을 갈아주고, 상기 분말을 공기 또는 산소 분위기의 알루미나 도가니에서 소성 및 노냉시켜 녹색 형광체를 합성하는 제5 단계;상기 녹색 형광체를 질소 및 수소의 환원 분위기에서 반응시키는 제6 단계로 이루어지는 것을 특징으로 하는 형광체의 제조방법.
- 청구항 1에 있어서,상기 제5단계 및 제6단계에서 공기 분위기 및 환원분위기의 온도는 800 내지 1000 ℃ 이고, 산소분위기 및 환원분위기의 온도는 300 내지 900 ℃인 것을 특징으로 하는 형광체의 제조방법.
- 청구항 2에 있어서,상기 망간의 양 또는 열처리 온도 또는 실리카-졸의 첨가량이 증가할수록 상기 녹색 형광체의 빛 발광 세기는 증가하는 것을 특징으로 하는 형광체의 제조방법.
- 청구항 3에 있어서,상기 망간의 양은 상기 녹색 형광체(Zn2-XMnXSiO4)를 기준으로 x 가 0.02 내지 0.08 인 것을 특징으로 하는 형광체의 제조방법.
- 청구항 4에 있어서,상기 녹색 형광체는 단일상 화합물인 것을 특징으로 하는 형광체의 제조방법.
- 청구항 5에 있어서,상기 열처리 후 형성된 녹색 형광체의 입자 크기는 200 내지 600 nm 인 것을 특징으로 하는 형광체의 제조방법.
- 청구항 1에 있어서,상기 1 단계의 탈 이온수는 3차 증류수인 것을 특징으로 하는 형광체의 제조방법.
- 청구항 1에 있어서,상기 6 단계의 환원 분위기는 질소 96%, 수소 4% 로 이루어지는 것을 특징으로 하는 형광체의 제조방법.
- 청구항 1 내지 청구항 8 중 어느 한 항의 형광체 제조방법에 의해 형성된 형광체.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020080095149A KR100992949B1 (ko) | 2008-09-29 | 2008-09-29 | 형광체의 제조방법 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020080095149A KR100992949B1 (ko) | 2008-09-29 | 2008-09-29 | 형광체의 제조방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20100035794A KR20100035794A (ko) | 2010-04-07 |
| KR100992949B1 true KR100992949B1 (ko) | 2010-11-08 |
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| KR1020080095149A Active KR100992949B1 (ko) | 2008-09-29 | 2008-09-29 | 형광체의 제조방법 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006169014A (ja) | 2004-12-13 | 2006-06-29 | Toyota Motor Corp | 非結晶質複合酸化物粒子及びその製造方法並びに蛍光材及び蛍光体 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006169014A (ja) | 2004-12-13 | 2006-06-29 | Toyota Motor Corp | 非結晶質複合酸化物粒子及びその製造方法並びに蛍光材及び蛍光体 |
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| KR20100035794A (ko) | 2010-04-07 |
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