Electric lamp and discharge devices – With luminescent solid or liquid material – Vacuum-type tube
Patent
1988-10-12
1990-01-09
Yusko, Donald J.
Electric lamp and discharge devices
With luminescent solid or liquid material
Vacuum-type tube
313497, H01S 2974
Patent
active
048930563
ABSTRACT:
Fluorescent display apparatus for use in a large-screen display comprising a display portion having fluorescent display portions arranged in a matrix and coated with fluorescent material for emitting light upon being bombarded by thermoelectrons, cathodes of the type consuming small power shaped in a linear form oriented in the direction of the row or column and disposed to oppose the display portion arranged that one cathode corresponds to two or four of the fluorescent display portions, a first control electrode in a planar form having openings made therein corresponding to the fluorescent display portions of the display portion and disposed between the display portion and the cathodes, second control electrodes disposed on the side of the cathodes opposite to the display portion, and arranged corresponding to each cathode along the length of the cathode, and third control electrodes disposed on both sides of the second control electrodes in the direction of the column, and arranged so as to correspond to each cathode.
REFERENCES:
patent: 4451758 (1984-05-01), Watanabe et al.
Hara Zenichiro
Iwata Shuji
Kobayashi Masa-aki
Tatsuda Kazunori
Terazaki Nobuo
Ise Electronics Corporation
Mitsubishi Denki & Kabushiki Kaisha
O'Shea Sandra L.
Yusko Donald J.
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