Electric lamp and discharge devices: systems – Cathode ray tube circuits – Combined cathode ray tube and circuit element structure
Patent
1992-02-25
1993-09-14
Pascal, Robert J.
Electric lamp and discharge devices: systems
Cathode ray tube circuits
Combined cathode ray tube and circuit element structure
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
Murakami Hidenobu
Sakurai Koichi
Mitsubishi Denki & Kabushiki Kaisha
Pascal Robert J.
Ratliff R. A.
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