Optical active matrix display

Details Optical active matrix display Optical active matrix display

1994-01-24

1996-05-07

Dzierzynski, Paul M.

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359 57, 359216, G02B 2608, G02F 11343

Patent

active

055151981

ABSTRACT:
An optical active matrix display uses a light beam through a plurality of lightguide paths in a transparent substrate for switching signals to display an image. The display includes end surfaces of the lightguide paths appearing on one side surface of the transparent substrate. A light source issues at least one light beam. A rotating polygon mirror scans the direction of the light beam. An optical system changes an angle of the light beam reflected by the rotating polygon mirror so that the light beam is incident at the end surface of the lightguide paths irrespective of the scanning direction. The optical system subjects the principal rays of the light beam to a substantially constant angle with respect to the end surfaces of the lightguide paths.

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patent: 4796964 (1989-01-01), Connell et al.
patent: 4962983 (1990-10-01), Watanabe
patent: 4978977 (1990-12-01), Ohmori et al.
patent: 5148008 (1992-09-01), Takenaka
patent: 5200849 (1993-04-01), Inagaki et al.
patent: 5220450 (1993-06-01), Iizuka

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