Electro-optical dithering system using birefringence for optical

Details Electro-optical dithering system using birefringence for optical Electro-optical dithering system using birefringence for optical

1995-02-22

1996-11-05

Gross, Anita Pellman

Optical: systems and elements

Holographic system or element

Having optical element between object and recording medium

359 94, G02F 113

Patent

active

055723411

ABSTRACT:
An electro-optical 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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