Electrically variable diffuser

Details Electrically variable diffuser Electrically variable diffuser

1996-08-20

1998-11-03

Sikes, William L.

Liquid crystal cells, elements and systems

Particular structure

Particular illumination

349112, 349 74, G02F 11335, G02F 11347

Patent

active

058316981

ABSTRACT:
A display having an electrically variable diffuser is disclosed. In response to an electric field, the electrically variable diffuser is electrically switched from a low illumination
arrow viewing angle mode to a high illumination/wide viewing angle mode. The viewing angle is correlated with backlight luminance to provide an adequate display as the viewing angle is varied. This allows a user to choose between preserving battery life and maximizing viewing angle.

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patent: 5644369 (1997-07-01), Jachimowicz et al.
patent: 5659408 (1997-08-01), Wenyon

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