KR910009880A - 녹색 형광체의 제조방법 - Google Patents
녹색 형광체의 제조방법 Download PDFInfo
- Publication number
- KR910009880A KR910009880A KR1019890016560A KR890016560A KR910009880A KR 910009880 A KR910009880 A KR 910009880A KR 1019890016560 A KR1019890016560 A KR 1019890016560A KR 890016560 A KR890016560 A KR 890016560A KR 910009880 A KR910009880 A KR 910009880A
- Authority
- KR
- South Korea
- Prior art keywords
- green phosphor
- sulfur
- manufacturing
- raw material
- weight
- Prior art date
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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, 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
- C09K11/7774—Aluminates
-
- 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
- C09K11/7743—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing terbium
- C09K11/7749—Aluminates
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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 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 황을 첨가하지 않은 종래의 Y3Al5O12: Tb 형광체와 황을 첨가한 본 발명의 Y3Al5O12: Tb 형광체의 발광 스펙트라를 나타낸 그래프 .
Claims (3)
- Y3Al5O12: Tb 녹색 형광체의 제조에 있어서, 원료혼합물에 유황을 첨가하여 충분히 혼합한 후용제로서 불화 마그네슘 또는 불화바륨을 첨가하여 소성하고, 소성된 소성물을 산이나 알칼리용액으로 세정하여 Y3Al5O12: Tb 를 얻은 것을 특징으로 하는 녹색형광체의 제조방법.
- 제1항에 있어서, 상기 유황의 양은 원료혼합물 100중량%를 기준하여 1 내지 50중량%인 것을 특징으로 하는 녹색형광체의 제조방법.
- 제2항에 있어서, 상기 유황의 양은 원료혼합물 100중량%를 기준하여 3 내지 20중량%인 것을 특징으로 하는 녹색형광체의 제조방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019890016560A KR930009255B1 (ko) | 1989-11-15 | 1989-11-15 | 녹색 형광체의 제조방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019890016560A KR930009255B1 (ko) | 1989-11-15 | 1989-11-15 | 녹색 형광체의 제조방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR910009880A true KR910009880A (ko) | 1991-06-28 |
| KR930009255B1 KR930009255B1 (ko) | 1993-09-24 |
Family
ID=19291657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019890016560A KR930009255B1 (ko) | 1989-11-15 | 1989-11-15 | 녹색 형광체의 제조방법 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR930009255B1 (ko) |
-
1989
- 1989-11-15 KR KR1019890016560A patent/KR930009255B1/ko not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR930009255B1 (ko) | 1993-09-24 |
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| Date | Code | Title | Description |
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| A201 | Request for examination | ||
| E902 | Notification of reason for refusal | ||
| G160 | Decision to publish patent application | ||
| E701 | Decision to grant or registration of patent right | ||
| GRNT | Written decision to grant | ||
| FPAY | Annual fee payment |
Payment date: 20000831 Year of fee payment: 8 |
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| LAPS | Lapse due to unpaid annual fee |