Electron excited luminous element with an anode substrate having

Details Electron excited luminous element with an anode substrate having Electron excited luminous element with an anode substrate having

1996-05-16

1998-02-10

O'Shea, Sandra L.

Electric lamp and discharge devices

With luminescent solid or liquid material

Vacuum-type tube

313466, 313496, H01J 162, H01J 2910

Patent

active

057172862

ABSTRACT:
Electron excited luminous element capable of ensuring satisfactory emission characteristics of emitters for an extended period of time. A hydrophobic insulating film is formed on a glass anode substrate so as to cover an exposed portion thereof between anode electrodes. This keeps the glass anode substrate from being directly attacked by electrons, to thereby prevent decomposition of water and the like contained in a surface of the glass, resulting in oxygen which causes deterioration in emission characteristics of emitter cones being kept from being released from the glass.

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patent: 5534748 (1996-07-01), Oomen

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