Flat display device

Electric lamp and discharge devices: systems – Cathode ray tube circuits – Combined cathode ray tube and circuit element structure

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Details

315340, 313442, 313497, 313313, H01J 2316

Patent

active

052452492

ABSTRACT:
A flat display device includes no exposed part of an insulated substrate on the inner wall of electron pass holes for attaining a high intensity of a display screen, high operational stability of the display screen, and having a simple structure for manufacturing it easily. In a control electrode, resistive films are formed on the exposed part of an insulated body. When the electrons pass through electron pass holes, electron beams are controlled without charging the insulated substrate by the electrons.

REFERENCES:
patent: 4121130 (1978-10-01), Gange
patent: 4341980 (1982-07-01), Noguchi et al.
patent: 4647815 (1987-03-01), Ishikawa
patent: 4956578 (1990-09-01), Shimizu

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