Display device having first and second cold cathodes

Details Display device having first and second cold cathodes Display device having first and second cold cathodes

1989-06-29

1990-09-18

Yusko, Donald J.

Electric lamp and discharge devices

With luminescent solid or liquid material

Vacuum-type tube

313391, 313422, H01J 3148, H01J 2970

Patent

active

049581040

ABSTRACT:
A display device has an electron ray generating unit of matrix electrode structure in which a plurality of cold cathodes generating electron rays are arranged two-dimensionally, image storing apparatus for storing therein image information as an amount of charges by a variation in a surface potential produced by the application of the electron rays from the electron ray generating unit, and a display for receiving the application of the electron rays applied from the electron ray generating unit and modulated by the electric charge stored in the image storing apparatus and visualizing the image information.

REFERENCES:
patent: 4259678 (1981-03-01), van Gorkom et al.
patent: 4303930 (1981-12-01), van Gorkom et al.
patent: 4325084 (1982-04-01), van Gorkom et al.
"Flat-Panel Displays and CRT's" by L. E. Tannas, Jr.; Van Nostrand Reinhold Co., Inc., N.Y. 1985, pp. 213-216.

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