Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Patent
1993-05-11
1996-09-17
Brier, Jeffery
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
313422, G09G 322, H01J 3112
Patent
active
055572960
ABSTRACT:
Flat-panel type picture display device having a luminescent screen and a large number of electron propagation ducts operating by means of electron wall interaction. At a given resolution, hexagonal phosphor dot patterns in which dots are horizontally staggered generally produce fewer artefacts than in a 90.degree. tilted orientation. An addressing system for withdrawing electrons from the propagation ducts and for directing them towards the luminescent screen is preferably formed as a multistepped structure with a preselection structure of rows of preselection electrodes and a fine-selection structure of rows of fine-selection electrodes. To interconnect the fine-selection electrodes in parallel in a minimal number of groups, it is advantageous when the fine-selection electrodes are arranged parallel to the preselection electrodes.
REFERENCES:
patent: 4956575 (1990-09-01), Chang
patent: 4965487 (1990-10-01), Freeman
patent: 4980613 (1990-12-01), Miyama et al.
patent: 5270611 (1993-12-01), Van Gorkom
patent: 5386175 (1995-01-01), Van Gorkom et al.
patent: 5442253 (1995-08-01), Van Gorkom et al.
De Zwart Siebe T.
Lambert Nicolaas
Trompenaars Petrus H. F.
Van Gorkom Gerardus G. P.
Brier Jeffery
Kraus Robert J.
U.S. Philips Corporation
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