Display system comprising a plurality of display cells arranged

Details Display system comprising a plurality of display cells arranged Display system comprising a plurality of display cells arranged

1985-04-22

1987-07-28

Groody, James J.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 59, 358230, 358240, 358241, 358254, 358255, 340752, 340766, H04N 912, H04N 312, H04N 566, G09G 320

Patent

active

046834915

ABSTRACT:
A large-scale color picture display system comprises a plurality of fluorescent display cells arranged in an X-Y matrix to form a picture display device. Each display cell comprises a red, a green, and a blue fluorescent display element. Each of the display cells is provided with a horizontally-extending blind adjacent its upper edge. The blind has a black top surface to absorb light from the sun and sky, and a reflecting bottom surface to form a virtual image of part of the display cell so that a viewer situated below the color picture display device will see a picture which is continuous in the vertical direction. The reflecting bottom surface of the blind is electrically conductive and is grounded to prevent it from being electrified, for example by lightning, and to eliminate undesired radiation from the display system.

REFERENCES:
patent: 3986014 (1976-10-01), Katsui et al.
patent: 4097902 (1978-06-01), Curnuck
patent: 4185895 (1980-01-01), Stephens et al.
patent: 4276633 (1981-06-01), Takami et al.
patent: 4444465 (1984-04-01), Giulie et al.
patent: 4635105 (1987-01-01), Favreau

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