Claims
- 1. An electron feeder for a flat-type luminous device including an air-tight envelope having electrodes arranged therein and kept at a high vacuum and a display section arranged in said envelope and including a phosphor layer and an anode conductor, comprising:
- at least one electron source arranged in said envelope for emitting electrons therefrom and at least one electron beam guide arranged in said envelope for guiding electrons emitted from said electron source and introduced through one end thereof thereinto toward the other end thereof along a plane opposite to said display section;
- said electron beam guide including at least a plurality of front wire electrodes positioned opposite to said display section and separated from one another in the direction of traveling of the electrons emitted from said electron source and a plurality of rear wire electrodes arranged in parallel with said front wire electrodes and separated from one another in the direction of traveling of said electrons, said plurality of front wire electrodes and said plurality of rear wire electrodes forming a plurality of guide electrode sections, each said guide electrode section constituted by a predetermined number of said front wire electrodes and a predetermined number of said rear wire electrodes facing said predetermined number of front wire electrodes;
- said guide electrode sections comprising means for alternately applying thereto at least two different voltages to adjacent electrode sections to guide said electrons toward the other end of said electron beam guide;
- said front wire electrodes and said rear wire electrodes positioned in proximity to a position of said display section are selected to have applied thereto a deflecting voltage to induce said electrons from said electron feeder section to said display section.
- 2. An electron feeder for a flat-type luminous device including an air-tight envelope having electrodes arranged therein and kept at a high vacuum and a display section arranged in said envelope and including a phosphor layer and an anode conductor, comprising:
- at least one electron source arranged in said envelope for emitting electrons therefrom and at least one electron beam guide arranged in said envelope for guiding electrons emitted from said electron source and introduced through one end thereof thereinto toward the other end thereof along a plane opposite to said display section;
- a focusing electrode positioned between and adjacent to said electron source and said electron beam guide;
- said electron beam guide including at least a plurality of front wire electrodes positioned opposite to said display section and separated from one another in the direction of traveling of the electrons emitted from said electron source and a plurality of rear electrodes arranged in parallel with said front electrodes and separated from one another in the direction of traveling of said electrons;
- said plurality of front electrodes and said plurality of rear electrodes forming a plurality of guide electrode sections, each said guide electrode section constituted by at least one said front electrode and at least one said rear electrode facing said at least one said front electrode;
- said guide electrode sections comprising means for alternatively applying thereto at least two different voltages to adjacent electrode sections to guide said electrons toward the other end of said electron beam guide, said at least two different voltages comprising a first voltage and a second voltage, said first voltage being higher than said second voltage;
- said front electrodes and rear electrodes positioned in proximity to a position of said display section selected to have applied thereto a deflecting voltage to induce said electrons from said electron feeder section to said display section;
- a voltage applied to said focusing electrode being higher than said first voltage.
- 3. An electron feeder for a flat-type luminous device including an air-tight envelope having electrodes arranged therein and kept at a high vacuum and a display section arranged in said envelope and including a phosphor layer and an anode conductor, comprising:
- at least one electron source arranged in said envelope for emitting electrons therefrom and at least one electron beam guide arranged in said envelope for guiding electrons emitted from said electron source and introduced through one end thereof thereinto toward the other end thereof along a plane opposite to said display section;
- said electron beam guide including at least a plurality of front mesh electrodes positioned opposite to said display section and separated from one another in the direction of traveling of the electrons emitted from said electron source and a plurality of rear planar electrodes arranged in parallel with said front mesh electrodes and separated from one another in the direction of traveling of said electrons, said plurality of front mesh electrodes and said plurality of rear planar electrodes forming a plurality of guide electrode sections, each said guide electrode section being constituted by a predetermined number of said front mesh electrodes and a single of said rear planar electrodes facing said predetermined number of front mesh electrodes;
- said guide electrode sections comprising means for alternately applying thereto at least two different voltages to adjacent electrode sections to guide said electrons toward the other end of said electron beam guide;
- said front mesh electrodes and said rear planar electrodes positioned in proximity to a position of said display section are selected to have applied thereto a deflecting voltage to induce said electrons from said electron feeder section to said display section.
- 4. An electron feeder for a flat-type luminous device including an air-tight envelope having electrodes arranged therein and kept at a high vacuum and a display section arranged in said envelope and including a phosphor layer and an anode conductor, comprising:
- at least one electron source arranged in said envelope for emitting electrons therefrom and at least one electron beam guide arranged in said envelope for guiding electrons emitted from said electron source and introduced through one end thereof thereinto toward the other end thereof along a plane opposite to said display section;
- a focusing electrode positioned between and adjacent to said electron source and said electron beam guide;
- said electron beam guide including at least a plurality of front mesh electrodes positioned opposite to said display section and separated from one another in the direction of traveling of the electrons emitted from said electron source and a plurality of rear planar electrodes arranged in parallel with said front mesh electrodes and separated from one another in the direction of traveling of said electrons;
- said plurality of front mesh electrodes and said plurality of rear planar electrodes forming a plurality of guide electrode sections, each said guide electrode section being constituted by a predetermined number of front mesh electrodes and at least one of said rear planar electrodes facing said predetermined number of said front mesh electrodes;
- said front electrode sections comprising means for alternately applying thereto at least two different voltages to adjacent electrode sections to guide said electrons toward the other end of said electron beam guide, said at least two different voltages comprising a first voltage and a second voltage, said first voltage being higher than said second voltage;
- said front mesh electrodes and rear planar electrodes positioned in proximity to a position of said display section selected to have applied thereto a deflecting voltage to induce said electrons from said electron feeder section to said display section;
- a voltage applied to said focusing electrode being higher than said first voltage.
Priority Claims (1)
Number |
Date |
Country |
Kind |
63-200342 |
Aug 1988 |
JPX |
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Parent Case Info
This is a continuation of application Ser. No. 07/390,219, filed on Aug. 7, 1989 now abandoned.
US Referenced Citations (9)
Continuations (1)
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Number |
Date |
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Parent |
390219 |
Aug 1989 |
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