Distributed duty-cycle operation of digital light-modulators

Details Distributed duty-cycle operation of digital light-modulators Distributed duty-cycle operation of digital light-modulators

1995-06-27

1998-05-12

Brier, Jeffery

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345 89, 345148, G09G 334, G09G 336, G09G 510

Patent

active

057512647

ABSTRACT:
In a matrix display of light reflecting elements, each element is duty cycle modulated into one of two states represented by successive bits of a digital display code to produce a luminance level represented by the code. In order to correct a visual artifact which occurs when the human eye views the element during only part of the modulation cycle for the code, the element is repeatedly sequentially activated for short periods into optical states represented by the most significant bits of the code.

REFERENCES:
patent: 5068649 (1991-11-01), Garrett
patent: 5079544 (1992-01-01), DeMond et al.
patent: 5619228 (1997-04-01), Doherty
Larry J. Hornbeck, "Deformable-Mirror Spatial Light Modulators" /SPIE Critical Reviews Series vol. 1150 (1990), pp. 86-102.
R. Mark Boysel, "A 128 x 128 Frame-Addressed Deformable Mrror Spatial Light Modulator", Optical Engineering, Sep. 1991, vol.30, No. 9, pp. 1422-1427.
William F. Schreiber, "Fundamentals of Electronic Imaging Systems Some Aspects of Image Processing", pp. 100-103, Springer-Verlag.

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