Color display system using spatial light modulators

Details Color display system using spatial light modulators Color display system using spatial light modulators

1991-12-17

1993-07-27

Weldon, Ulysses

Communications: electrical

Land vehicle alarms or indicators

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

340701, 340752, G09G 334

Patent

active

052313883

ABSTRACT:
A color display system for transforming pixel data, where each of three primary colors is represented by a value for its intensity, into an image. Three light sources, 11a-11c, one for each primary color, each illuminate a spatial light modulator (SLM) 12a -12c, such as a deformable mirror device. Each of these SLMs 12a-12c is operated so that it reflects an amount of light corresponding to the intensity of the pixel currently being displayed. The light thus regulated is linearized into a single beam of mixed-color light using mirrors 14a, 14b, and lens 15, and directed to an addressing SLM 13. Addressing SLM 13 is operated so that only an element corresponding to the pixel being displayed is "on". The addressing SLM 13 reflects the mixed-color light for that pixel to a photosensitive surface 18.

REFERENCES:
patent: 3512866 (1970-05-01), Griffiths et al.
patent: 4087810 (1978-05-01), Hung et al.
patent: 4571603 (1986-02-01), Hornbeck et al.
patent: 4638309 (1987-01-01), Ott

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