Electronic dithering system using birefrigence for optical displ

Details Electronic dithering system using birefrigence for optical displ Electronic dithering system using birefrigence for optical displ

1994-10-25

1996-07-16

Dzierzynski, Paul M.

Optical: systems and elements

Polarization without modulation

By relatively adjustable superimposed or in series polarizers

359303, 359497, 345 32, 348767, G02B 530, G02B 2608, G02F 100, G09G 300

Patent

active

055372562

ABSTRACT:
An electronic dithering system based on birefringence or double refraction increases the resolution of a display and includes a birefringent material, such as a calcite material, which selectively refracts or deflects light depending on an optical polarization characteristic of the light, and a switch to switch the optical polarization characteristic of the light, thereby to determine the location of output optical information. Thus, the apparatus and method of the invention can change the location of an optical signal, and the change can be used for a number of purposes, such as to improve resolution of a display, to provide an auto-stereoscopic output, to interlace optical signals, to facilitate locating and hiding of circuitry, to facilitate overlapping of tiles or pixels, etc.

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