BE776432A - Amelioration des ou relatives aux dispositifs d'eclairage a lumiere blanche permettant un bon rendu des couleurs des objets eclaires. - Google Patents
Amelioration des ou relatives aux dispositifs d'eclairage a lumiere blanche permettant un bon rendu des couleurs des objets eclaires.Info
- Publication number
- BE776432A BE776432A BE776432A BE776432A BE776432A BE 776432 A BE776432 A BE 776432A BE 776432 A BE776432 A BE 776432A BE 776432 A BE776432 A BE 776432A BE 776432 A BE776432 A BE 776432A
- Authority
- BE
- Belgium
- Prior art keywords
- colors
- relating
- improvement
- white light
- lighting devices
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/38—Devices for influencing the colour or wavelength of the light
- H01J61/42—Devices for influencing the colour or wavelength of the light by transforming the wavelength of the light by luminescence
- H01J61/44—Devices characterised by the luminescent material
-
- 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
- C09K11/66—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing germanium, tin or lead
- C09K11/666—Aluminates; Silicates
-
- 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
- C09K11/7783—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals one of which being europium
- C09K11/7784—Chalcogenides
- C09K11/7787—Oxides
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/38—Devices for influencing the colour or wavelength of the light
- H01J61/42—Devices for influencing the colour or wavelength of the light by transforming the wavelength of the light by luminescence
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Luminescent Compositions (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US9674470A | 1970-12-10 | 1970-12-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE776432A true BE776432A (fr) | 1972-06-09 |
Family
ID=22258879
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE776432A BE776432A (fr) | 1970-12-10 | 1971-12-09 | Amelioration des ou relatives aux dispositifs d'eclairage a lumiere blanche permettant un bon rendu des couleurs des objets eclaires. |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE776432A (xx) |
DE (1) | DE2128065C2 (xx) |
FR (1) | FR2117581A5 (xx) |
NL (1) | NL7109983A (xx) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2379160A1 (fr) * | 1977-01-28 | 1978-08-25 | Gen Electric | Lampe fluorescente perfectionnee |
DE3431692A1 (de) * | 1984-08-29 | 1986-03-06 | Friedrich 7800 Freiburg Wolff | Leuchtstofflampe |
EP1009017A3 (en) * | 1998-12-07 | 2001-04-04 | Matsushita Electric Industrial Co., Ltd. | Fluorescent lamp |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1589379A1 (de) * | 1966-12-26 | 1970-05-14 | Tokyo Shibaura Electric Co | Leuchtstoff-Entladungslampe,insbesondere eine verbesserte Leuchtstoff-Entladungslampe,zur Ausleuchtung von Objekten,die fuer Farbaufnahmen bestimmt sind |
-
1971
- 1971-06-05 DE DE19712128065 patent/DE2128065C2/de not_active Expired
- 1971-07-20 NL NL7109983A patent/NL7109983A/xx active Search and Examination
- 1971-12-09 FR FR7144213A patent/FR2117581A5/fr not_active Expired
- 1971-12-09 BE BE776432A patent/BE776432A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NL7109983A (xx) | 1972-06-13 |
DE2128065A1 (de) | 1972-06-22 |
DE2128065C2 (de) | 1983-08-18 |
FR2117581A5 (xx) | 1972-07-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE20 | Patent expired |
Owner name: NORTH AMERICAN PHILIPS LIGHTING CORP. Effective date: 19911209 |