JPS54113983A - Immediately lighted-on fluorescent lamp - Google Patents
Immediately lighted-on fluorescent lampInfo
- Publication number
- JPS54113983A JPS54113983A JP2140878A JP2140878A JPS54113983A JP S54113983 A JPS54113983 A JP S54113983A JP 2140878 A JP2140878 A JP 2140878A JP 2140878 A JP2140878 A JP 2140878A JP S54113983 A JPS54113983 A JP S54113983A
- Authority
- JP
- Japan
- Prior art keywords
- glass tube
- coated
- electrodes
- film
- lamp
- 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.)
- Pending
Links
Landscapes
- Discharge Lamp (AREA)
- Discharge Lamps And Accessories Thereof (AREA)
Abstract
PURPOSE: To suppress the production of black spot and greatly improve the apperance of an immediately lighted-on flurorescent lamp wherein a transparent electroconductive film is coated on the inside surface of a glass tube, by providing an amalgam making substance such as In, Cd, Sn, etc. in the glass tube.
CONSTITUTION: SnCl4 is dissolved in ethanol. A small amount of HCl and HF are added to the solution. Then, the solution is sprayed into one end of the glass tube having an outer diameter of about 32 mm and a length of about 1200 mm and heated at a temperature of 560°C and is sucked from the oppoite end so that the transparent film 2 is produced on the inside surface of the glass tube 1. After the film is washed in distilled water, a fluorescent substance 3 is coated on the fim and baked. Electrodes 4, 4' are attached to both the ends of the glass tube. The amalgam making substance 5, 5' such as In, Cd, Sn, etc. is coated on the stem parts of the electrodes 4, 4' and may be coated on metal rings 6, 6' of the electrodes or on the central part 7 of the lamp.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2140878A JPS54113983A (en) | 1978-02-24 | 1978-02-24 | Immediately lighted-on fluorescent lamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2140878A JPS54113983A (en) | 1978-02-24 | 1978-02-24 | Immediately lighted-on fluorescent lamp |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54113983A true JPS54113983A (en) | 1979-09-05 |
Family
ID=12054196
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2140878A Pending JPS54113983A (en) | 1978-02-24 | 1978-02-24 | Immediately lighted-on fluorescent lamp |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54113983A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5954166A (en) * | 1982-09-20 | 1984-03-28 | Hitachi Ltd | Low pressure mercury vapor electric-discharge lamp |
JPS61277147A (en) * | 1985-05-31 | 1986-12-08 | Toshiba Corp | Low pressure mercury vapor discharge lamp |
JPH0411142U (en) * | 1990-05-18 | 1992-01-30 | ||
US5216322A (en) * | 1990-06-12 | 1993-06-01 | Vector Related Physics (Consultants) Ltd. | Method of producing a gas discharge light source |
-
1978
- 1978-02-24 JP JP2140878A patent/JPS54113983A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5954166A (en) * | 1982-09-20 | 1984-03-28 | Hitachi Ltd | Low pressure mercury vapor electric-discharge lamp |
JPS61277147A (en) * | 1985-05-31 | 1986-12-08 | Toshiba Corp | Low pressure mercury vapor discharge lamp |
JPH0411142U (en) * | 1990-05-18 | 1992-01-30 | ||
US5216322A (en) * | 1990-06-12 | 1993-06-01 | Vector Related Physics (Consultants) Ltd. | Method of producing a gas discharge light source |
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