GB503255A - Improvements in electric glow discharge lamps - Google Patents
Improvements in electric glow discharge lampsInfo
- Publication number
- GB503255A GB503255A GB3341037A GB3341037A GB503255A GB 503255 A GB503255 A GB 503255A GB 3341037 A GB3341037 A GB 3341037A GB 3341037 A GB3341037 A GB 3341037A GB 503255 A GB503255 A GB 503255A
- Authority
- GB
- United Kingdom
- Prior art keywords
- envelope
- mms
- argon
- core
- discharge lamps
- 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
- C09K11/02—Use of particular materials as binders, particle coatings or suspension media therefor
- C09K11/025—Use of particular materials as binders, particle coatings or suspension media therefor non-luminescent particle coatings or suspension media
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Discharge Lamp (AREA)
Abstract
503,255. Discharge lamps. GENERAL ELECTRIC CO., Ltd. (Patent-Treuhand-Ges. f³r Elektrische Gliihlampen) Dec. 2, 1937, No. 33410. [Class 39 (i)] A cathode-glow lamp has an elongated envelope 1, electrodes 3, 4 extending side by side along most of the length of the envelope and material 8 within the envelope excited to luminescence by the discharge. In one form, the electrodes are wire helices wound on a core 2 of glass wool spaced from the U-shaped envelope (part only shown) by glass beads 7. The luminescent material 8 is on the inner wall, or on the core 2, or on both, and may be willemite, or calcium or magnesium tungstate. The filling may be neon and argon at 20 mms. pressure, or mercury with argon at 5 mms. or with a mixture of neon at 5 mms. and argon at 2 mms. Different luminescent materials may be used on the envelope and on the core ; the envelope is then frosted to mix the light. U.S.A. Specification 1,928,407 is referred to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3341037A GB503255A (en) | 1937-12-02 | 1937-12-02 | Improvements in electric glow discharge lamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3341037A GB503255A (en) | 1937-12-02 | 1937-12-02 | Improvements in electric glow discharge lamps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB503255A true GB503255A (en) | 1939-04-04 |
Family
ID=10352588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3341037A Expired GB503255A (en) | 1937-12-02 | 1937-12-02 | Improvements in electric glow discharge lamps |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB503255A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2459633A (en) * | 1947-07-14 | 1949-01-18 | Clarence E Farris | Fluorescent lamp |
-
1937
- 1937-12-02 GB GB3341037A patent/GB503255A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2459633A (en) * | 1947-07-14 | 1949-01-18 | Clarence E Farris | Fluorescent lamp |
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