Electric lamp and discharge devices – With luminescent solid or liquid material – Vacuum-type tube
Patent
1977-02-01
1978-07-11
Demeo, Palmer C.
Electric lamp and discharge devices
With luminescent solid or liquid material
Vacuum-type tube
313220, 313513, H01J 524, H01J 526, H01J 532
Patent
active
041004566
ABSTRACT:
A luminescent display panel comprises a substrate assembly comprising a solid insulator substrate and an underlying and an overlying insulator layer successively thereon, a glass cover, and a sealing layer sealing the glass cover and the substrate assembly to enclose a vacuum space where electrodes of the panel are placed. Use is made of a sealing mass for positively eliminating slow leak which otherwise occurs if at least one of the leads for the electrodes interposed between the insulator layers is extended outwardly of the vacuum space continuously along the overlying layer. The sealing mass may comprise that portion of the underlying layer which lies across the sealing layer, with all leads laid directly on the solid substrate at their portions extended across the sealing layer. Alternatively, the sealing mass may comprise that extension of the sealing layer which reaches the underlying layer and the above-mentioned at least one lead, with the overlying layer recessed inwardly between the sealing layer and the underlying layer.
REFERENCES:
patent: 3499167 (1970-03-01), Baker et al.
patent: 4020386 (1977-04-01), Yasutome et al.
Kobayakawa Masaki
Kumazawa Koichi
Ohta Kazuo
Yawata Kazufumi
DeMeo Palmer C.
Narumi China Corp.
Nippon Electric Kagoshima, Ltd.
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