KR910016899A - 황화칼슘계 형광체의 표면처리방법 - Google Patents
황화칼슘계 형광체의 표면처리방법 Download PDFInfo
- Publication number
- KR910016899A KR910016899A KR1019900004361A KR900004361A KR910016899A KR 910016899 A KR910016899 A KR 910016899A KR 1019900004361 A KR1019900004361 A KR 1019900004361A KR 900004361 A KR900004361 A KR 900004361A KR 910016899 A KR910016899 A KR 910016899A
- Authority
- KR
- South Korea
- Prior art keywords
- surface treatment
- calcium sulfide
- treatment method
- based phosphor
- phosphor
- Prior art date
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Classifications
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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
- C09K11/55—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing beryllium, magnesium, alkali metals or alkaline 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)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 종래의 황화칼슘계 형광체의 전기 전도도와 본 발명의 표면처리에 따른 황화칼슘계 형광체의 전기 전도도를 비교한 그래프.
Claims (1)
- 황화칼슘계 형광체를 표면처리함에 있어서, 형광체 표면에 K2OㆍSiO2용액을 균일하게 흡착시킨후, 30℃~80℃의 온수하에서 HNO3을 이용하여 상기 형광체 표면에 이상화규소와 산화칼륨 미립자를 석출 부착시키는 것을 특징으로 하는 황화칼슘계 형광체의 표면처리방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019900004361A KR930009902B1 (ko) | 1990-03-30 | 1990-03-30 | 황화칼슘계 형광체의 표면처리방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019900004361A KR930009902B1 (ko) | 1990-03-30 | 1990-03-30 | 황화칼슘계 형광체의 표면처리방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR910016899A true KR910016899A (ko) | 1991-11-05 |
| KR930009902B1 KR930009902B1 (ko) | 1993-10-13 |
Family
ID=19297531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019900004361A KR930009902B1 (ko) | 1990-03-30 | 1990-03-30 | 황화칼슘계 형광체의 표면처리방법 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR930009902B1 (ko) |
-
1990
- 1990-03-30 KR KR1019900004361A patent/KR930009902B1/ko not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR930009902B1 (ko) | 1993-10-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| E902 | Notification of reason for refusal | ||
| 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: 20000929 Year of fee payment: 8 |
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| LAPS | Lapse due to unpaid annual fee |