JPS575254A - Planar display - Google Patents

Planar display

Info

Publication number
JPS575254A
JPS575254A JP7891580A JP7891580A JPS575254A JP S575254 A JPS575254 A JP S575254A JP 7891580 A JP7891580 A JP 7891580A JP 7891580 A JP7891580 A JP 7891580A JP S575254 A JPS575254 A JP S575254A
Authority
JP
Japan
Prior art keywords
shaped
coil
electrode
cathode
supporting board
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
JP7891580A
Other languages
Japanese (ja)
Inventor
Mikio Noguchi
Kazutoshi Kobayashi
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 JP7891580A priority Critical patent/JPS575254A/en
Priority to EP80104845A priority patent/EP0024656B1/en
Priority to DE8080104845T priority patent/DE3067141D1/en
Priority to US06/178,283 priority patent/US4356427A/en
Publication of JPS575254A publication Critical patent/JPS575254A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J31/00—Cathode ray tubes; Electron beam tubes
    • H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
    • H01J31/10—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes
    • H01J31/12—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes with luminescent screen
    • H01J31/123—Flat display tubes
    • H01J31/125—Flat display tubes provided with control means permitting the electron beam to reach selected parts of the screen, e.g. digital selection
    • H01J31/126—Flat display tubes provided with control means permitting the electron beam to reach selected parts of the screen, e.g. digital selection using line sources
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2329/00—Electron emission display panels, e.g. field emission display panels
    • H01J2329/86—Vessels
    • H01J2329/8625—Spacing members
    • H01J2329/863—Spacing members characterised by the form or structure

Landscapes

  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)

Abstract

PURPOSE:To realize the lowering of the operational temperature, the improvement of the reliability, the lowering of the power consumption and the simplification of the drive circuit, by employing a coil-shaped heater to form a cathode and using single cathode for single picture element. CONSTITUTION:A supporting member 12 is arranged between the picture elements of a back substrate 11. Said board 12 will hold predetermined section except the effective section of a thermal cathode of said coil-shaped heater 13 coated with the thermion emission subsistance. A supporting board 15, ribbon-shaped first electrode 16, supporting board 17 ribbon-shaped second electroed 18, supporting board 19 ard planar electrode 20 are provided on said coil-shaped heater 13. A planar fluorescent face 23 is provided through a circular spacer 21 on said third electrode 20.
JP7891580A 1979-08-16 1980-06-13 Planar display Pending JPS575254A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP7891580A JPS575254A (en) 1980-06-13 1980-06-13 Planar display
EP80104845A EP0024656B1 (en) 1979-08-16 1980-08-14 Flat display device
DE8080104845T DE3067141D1 (en) 1979-08-16 1980-08-14 Flat display device
US06/178,283 US4356427A (en) 1979-08-16 1980-08-15 Flat display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7891580A JPS575254A (en) 1980-06-13 1980-06-13 Planar display

Publications (1)

Publication Number Publication Date
JPS575254A true JPS575254A (en) 1982-01-12

Family

ID=13675135

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7891580A Pending JPS575254A (en) 1979-08-16 1980-06-13 Planar display

Country Status (1)

Country Link
JP (1) JPS575254A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5083058A (en) * 1989-06-19 1992-01-21 Matsushita Electric Industrial Co., Ltd. Flat panel display device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5083058A (en) * 1989-06-19 1992-01-21 Matsushita Electric Industrial Co., Ltd. Flat panel display device

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