Self adjusting matrix display

Details Self adjusting matrix display Self adjusting matrix display

1989-01-31

1991-04-16

Oberley, Alvin E.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340767, 340781, 340812, G09G 320

Patent

active

050086570

ABSTRACT:
A video display (38) provides a visual representation of a video signal over a matrix of pixels (40). Each pixel comprises a picture element (64) operable to radiate responsive to an externally applied voltage determined by the video signal. To prevent the intensity of a selected picture element (64) from being dependent upon the threshold potentials of the switching elements connecting the externally applied voltage to the picture elements (64), feedback lines (46) are provided to sense the voltage at the picture element (64). The voltage at the picture element (64) is adjusted until it equals the desired voltage.

REFERENCES:
patent: 4081716 (1978-03-01), Uemura
patent: 4471347 (1984-09-01), Nakazawa et al.
patent: 4586039 (1986-04-01), Nonomura et al.

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