Single beam color CRT

Details Single beam color CRT Single beam color CRT

1983-02-22

1985-04-30

Chin, Tommy P.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 67, H04N 922, H04N 927

Patent

active

045147566

ABSTRACT:
The target of a CRT comprises a single crystal substrate (e.g., YAG) on which are formed a plurality of color stripe triads of epitaxial material. Each stripe triad has three epitaxial layers in a staircase geometry and is overlayed with a metal stripe. The metal stripes are the fingers of a pair of interdigitated electrodes. A single e-beam scans the stripes horizontally, and a sequence of current pulses generated in the electrodes precisely defines the horizontal position of the beam relative to the triads. This information is used to precisely time the beam modulation for introducing color signals. The CRT is particularly suited to miniaturization and application in projection systems.

REFERENCES:
patent: 3781465 (1973-12-01), Ernstoff
patent: 3790405 (1974-02-01), Levinstein
patent: 3851093 (1974-11-01), Sunstein
patent: 4183053 (1980-01-01), Tomii
patent: 4369396 (1983-01-01), Judd
S. Sherr, "Electronic Display Cathode-Ray Devices", Electronic Displays, pp. 113-130, (1979).
H. J. Levinstein, S. Licht, R. W. Landorf and S. L. Blank, "Growth of High-Quality Garnet Thin Films from Supercooled Melts", Applied Physics Letters, vol. 19, No. 11, pp. 486-487, (1971).

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