Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Patent
1995-04-26
1998-07-07
Peng, John K.
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
348744, 348755, 348775, 348771, 359212, 359245, H04N 574
Patent
active
057775893
ABSTRACT:
Methods of reducing artifacts in SLM-based display systems (10, 20), whose images are based on data displayed by bit-weight for pulse-width modulated intensity levels. A first method is suitable for systems (20) that use multiple SLMs (14) to concurrently display images of different colors, which are combined at the image plane. The data for each color are staggered in time (FIG. 4). A second method is suitable for either multiple SLM systems (20) or for systems (10) that use a single SLM (14) and a color wheel (17) to display differently colored images sequentially. The data for each color is arranged in a different data sequence (FIG. 5). In either method, the intensity transitions do not occur at the same time.
REFERENCES:
patent: 5079544 (1992-01-01), DeMond et al.
patent: 5233385 (1993-08-01), Sampsell
patent: 5278652 (1994-01-01), Urbanus et al.
patent: 5452024 (1995-09-01), Sampsell
patent: 5523803 (1996-06-01), Urbanus et al.
Deffner Gerhard P.
Gale Richard O.
Markandey Vishal
Donaldson Richard L.
Flynn Nathan J.
Kesterson James C.
Peng John K.
Reed Julie L.
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