JPS5661756A - Flat fluorescent tube - Google Patents

Flat fluorescent tube

Info

Publication number
JPS5661756A
JPS5661756A JP13808979A JP13808979A JPS5661756A JP S5661756 A JPS5661756 A JP S5661756A JP 13808979 A JP13808979 A JP 13808979A JP 13808979 A JP13808979 A JP 13808979A JP S5661756 A JPS5661756 A JP S5661756A
Authority
JP
Japan
Prior art keywords
electrodes
pair
another
glass tube
tube
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
Application number
JP13808979A
Other languages
Japanese (ja)
Inventor
Hiroshi Imamura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP13808979A priority Critical patent/JPS5661756A/en
Publication of JPS5661756A publication Critical patent/JPS5661756A/en
Pending legal-status Critical Current

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
    • H01J61/30—Vessels; Containers

Abstract

PURPOSE:To eliminate any unevenness of the brightness distribution over the surface of a fluorescent tube by disposing plural pairs of electrodes, each pair of which are located opposite to one another, at the ends of the tube. CONSTITUTION:The inner surface of a glass tube 1 is homogeneously lined with a luminescent body 2, and the glass tube 1 is charged with appropriate proportions of mercury vapor and an inert gas. The first pair of electrodes 5A and 5B, and the second pair of electrodes 9A and 9B are placed at the ends of the glass tube 1, and each pair of electrodes is disposed opposite to one another. Each of these electrodes is bridged by a tungsten filament 8 which is covered with an electron-discharging substance. The discharge between the first pair of electrodes 5A and 5B, and the discharge between the second pair of electrodes 9A and 9B are carried out independently at parallel levels to one another.
JP13808979A 1979-10-25 1979-10-25 Flat fluorescent tube Pending JPS5661756A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13808979A JPS5661756A (en) 1979-10-25 1979-10-25 Flat fluorescent tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13808979A JPS5661756A (en) 1979-10-25 1979-10-25 Flat fluorescent tube

Publications (1)

Publication Number Publication Date
JPS5661756A true JPS5661756A (en) 1981-05-27

Family

ID=15213690

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13808979A Pending JPS5661756A (en) 1979-10-25 1979-10-25 Flat fluorescent tube

Country Status (1)

Country Link
JP (1) JPS5661756A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4743799A (en) * 1985-11-21 1988-05-10 Gte Products Corporation Low pressure arc discharge light source unit
US4835444A (en) * 1986-02-10 1989-05-30 Photo Redux Corp. Radiation-emitting devices
US4879489A (en) * 1986-02-10 1989-11-07 Photo Redux Corp. Radiation-emitting devices
US5278474A (en) * 1989-01-12 1994-01-11 Tokyo Densoku Kabushiki Kaisha Discharge tube

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4743799A (en) * 1985-11-21 1988-05-10 Gte Products Corporation Low pressure arc discharge light source unit
US4835444A (en) * 1986-02-10 1989-05-30 Photo Redux Corp. Radiation-emitting devices
US4879489A (en) * 1986-02-10 1989-11-07 Photo Redux Corp. Radiation-emitting devices
US5278474A (en) * 1989-01-12 1994-01-11 Tokyo Densoku Kabushiki Kaisha Discharge tube

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