JPS55161362A - High frequency lighting apparatus - Google Patents

High frequency lighting apparatus

Info

Publication number
JPS55161362A
JPS55161362A JP7022079A JP7022079A JPS55161362A JP S55161362 A JPS55161362 A JP S55161362A JP 7022079 A JP7022079 A JP 7022079A JP 7022079 A JP7022079 A JP 7022079A JP S55161362 A JPS55161362 A JP S55161362A
Authority
JP
Japan
Prior art keywords
high frequency
magnetic core
bulb
ultraviolet rays
discharge
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
JP7022079A
Other languages
Japanese (ja)
Inventor
Genichi Hayashi
Makoto Takahashi
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP7022079A priority Critical patent/JPS55161362A/en
Publication of JPS55161362A publication Critical patent/JPS55161362A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J65/00—Lamps without any electrode inside the vessel; Lamps with at least one main electrode outside the vessel
    • H01J65/04—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels
    • H01J65/042—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels by an external electromagnetic field
    • H01J65/048—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels by an external electromagnetic field the field being produced by using an excitation coil

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Discharge Lamps And Accessories Thereof (AREA)

Abstract

PURPOSE:To obtain efficient radiation of ultraviolet rays even in the vacant space of a magnetic core and improve efficiency by forming the endless magnetic core which is accomodated in a bulb into falt plane form. CONSTITUTION:When high frequency current is supplied from a high frequency oscillating circuit 9 to a coil 6, high frequency magnetic field in closed loop form is formed in an endless magnetic field 5. Due to said high frequency magnetic field, high frequency electric field is formed, interlinked with the magnetic core 5, and due to said high frequency electric field, discharge is generated in a bulb 1, and this discharge current flows in the closed loop interlinked with the magnetic core 5. Due to this discharge, the atoms of mercury vapour which are sealed in the bulb 1 are excited, radiating ultraviolet rays, and said ultraviolet rays are radiated onto a fluorescent film 4, and visible light is radiated from this fluorescent film 4. As the magnetic core 5 has oval form, the sectional area of the hollow part 11 can be increased larger than the minor axis of the magnetic core 5.
JP7022079A 1979-06-05 1979-06-05 High frequency lighting apparatus Pending JPS55161362A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7022079A JPS55161362A (en) 1979-06-05 1979-06-05 High frequency lighting apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7022079A JPS55161362A (en) 1979-06-05 1979-06-05 High frequency lighting apparatus

Publications (1)

Publication Number Publication Date
JPS55161362A true JPS55161362A (en) 1980-12-15

Family

ID=13425238

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7022079A Pending JPS55161362A (en) 1979-06-05 1979-06-05 High frequency lighting apparatus

Country Status (1)

Country Link
JP (1) JPS55161362A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0689228A1 (en) * 1994-06-24 1995-12-27 Toshiba Lighting & Technology Corporation Magnetic-field discharge lamp and lighting device using the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0689228A1 (en) * 1994-06-24 1995-12-27 Toshiba Lighting & Technology Corporation Magnetic-field discharge lamp and lighting device using the same

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