GB1522368A - Phosphor materials - Google Patents
Phosphor materialsInfo
- Publication number
- GB1522368A GB1522368A GB3362875A GB3362875A GB1522368A GB 1522368 A GB1522368 A GB 1522368A GB 3362875 A GB3362875 A GB 3362875A GB 3362875 A GB3362875 A GB 3362875A GB 1522368 A GB1522368 A GB 1522368A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sulphide
- phosphor
- lanthanide
- rays
- oxide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
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
- C09K11/7767—Chalcogenides
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Luminescent Compositions (AREA)
Abstract
1522368 Mixed sulphide phosphors DEFENCE SECRETARY OF STATE FOR 22 Oct 1976 [12 Aug 1975] 33628/75 Heading C1A [Also in Division C4] A phosphor has the general formula M(Ln 1-x R x ) S 2 where M is Li, Na, K, Rb and/or Cs, Ln is Y, Sc or a lanthanide (At No 57 to 71), R is Y, Sc or a lanthanide but not the same as Ln, and x is 0À05 to less than 1. A phosphor of formula NaY 0À9 Tb 0À1 S 2 is disclosed which is excited by electrons, α-rays, X- rays, UV radiation and electric fields in electroluminescent cells and may be also used in fluorescent and cathodoluminescent devices. Neodymium may be used to replace terbium. The phosphor may be made by firing a mixture of a sulphide, carbonate or bicarbonate of a Group IA metal (M) with a sulphide or oxide of Y, Sc or a lanthanide and a sulphide or oxide of R, in H 2 S with or without N 2 at 800-1000‹C and washing the product with water to remove sulphides or polysulphides of M.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3362875A GB1522368A (en) | 1976-10-22 | 1976-10-22 | Phosphor materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3362875A GB1522368A (en) | 1976-10-22 | 1976-10-22 | Phosphor materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1522368A true GB1522368A (en) | 1978-08-23 |
Family
ID=10355382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3362875A Expired GB1522368A (en) | 1976-10-22 | 1976-10-22 | Phosphor materials |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1522368A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0030853A1 (en) * | 1979-12-12 | 1981-06-24 | Hitachi, Ltd. | Phosphor and method of manufacturing the phosphor |
| US10858583B2 (en) * | 2016-02-02 | 2020-12-08 | Kabushiki Kaisha Toshiba | Phosphor and method of producing the same |
-
1976
- 1976-10-22 GB GB3362875A patent/GB1522368A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0030853A1 (en) * | 1979-12-12 | 1981-06-24 | Hitachi, Ltd. | Phosphor and method of manufacturing the phosphor |
| US10858583B2 (en) * | 2016-02-02 | 2020-12-08 | Kabushiki Kaisha Toshiba | Phosphor and method of producing the same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |