Electric lamp and discharge devices – With character display – Gaseous discharge medium
Patent
1994-08-22
1996-10-22
O'Shea, Sandra L.
Electric lamp and discharge devices
With character display
Gaseous discharge medium
313519, 313485, H01J 1749
Patent
active
055680127
ABSTRACT:
A fluorescent display tube including a substrate, a plurality of anodes formed on the substrate, fluorescent layers formed on the respective anodes, cathodes located above the fluorescent layers to generate electrons which strike the fluorescent layers, ribs formed of an electrically insulating material on the substrate so as to surround at least a portion of a periphery of each of the anodes and having a larger height from the substrate than the fluorescent layers, and grid electrodes formed on the respective ribs to control activation of the fluorescent layers. Each rib consists of a plurality of layers laminated by screen printing using a paste which includes the electrically insulating material.
REFERENCES:
patent: 4041348 (1977-08-01), Eto et al.
patent: 4472658 (1984-09-01), Morimoto et al.
patent: 4571523 (1986-02-01), Morimoto et al.
patent: 5465027 (1995-11-01), Ishizuka et al.
Noboru Endo et al., "Rib-Grid VFDs Shine Brightly; Other VFDs Adopt Large Dot-Matrix Arrangements", Display Devices Spring '94 Serial No. 9, Mar. 31, 1994, 28-29.
Endoh Noboru
Mohri Jun
Kyushu Noritake Co., Ltd.
Noritake Co., Limited
O'Shea Sandra L.
Patel Ashok
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