JPS5530123A - Producing method of discharging lamp having fluorescent film - Google Patents
Producing method of discharging lamp having fluorescent filmInfo
- Publication number
- JPS5530123A JPS5530123A JP10256178A JP10256178A JPS5530123A JP S5530123 A JPS5530123 A JP S5530123A JP 10256178 A JP10256178 A JP 10256178A JP 10256178 A JP10256178 A JP 10256178A JP S5530123 A JPS5530123 A JP S5530123A
- Authority
- JP
- Japan
- Prior art keywords
- bulb
- fluorescent film
- burnt
- supply source
- nitro
- 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
- Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
Abstract
PURPOSE: To improve the visible conversion efficiency, by providing pre-burnt fluorescent film on the inner face of bulb while irradiating the ultra-violet ray from the inside of bulb prior to the mounting of said bulb.
CONSTITUTION: Pre-burnt fluorescent powder is suspended in a solution where nitro-cellulose is added in butyl-acetate then it is coated on the inner face of bulb 1, and after drying it is burnt to decompose and disperse the nitro-cellulose thus to complete the fluorescent film 12. After evacuation of the bulb 1, the other conducting tube 4 is connected selectively to the oxygen supply source, inert gas supply source or reductive gas supply source, then the ultra-violet ray source 6 is lighted under any of said environment to project said ray onto the fluorescent film 12.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10256178A JPS5530123A (en) | 1978-08-23 | 1978-08-23 | Producing method of discharging lamp having fluorescent film |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10256178A JPS5530123A (en) | 1978-08-23 | 1978-08-23 | Producing method of discharging lamp having fluorescent film |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5530123A true JPS5530123A (en) | 1980-03-03 |
Family
ID=14330634
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10256178A Pending JPS5530123A (en) | 1978-08-23 | 1978-08-23 | Producing method of discharging lamp having fluorescent film |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5530123A (en) |
-
1978
- 1978-08-23 JP JP10256178A patent/JPS5530123A/en active Pending
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