Liquid-crystal optical element, camera using the same, and...

Details Liquid-crystal optical element, camera using the same, and... Liquid-crystal optical element, camera using the same, and...

2006-12-21

2009-02-10

Wood, Kevin S (Department: 2874)

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

C349S139000

Reexamination Certificate

active

07489381

ABSTRACT:
A liquid-crystal optical element comprises a plurality of wiring electrodes formed between a plurality of segment electrodes and a lower transparent substrate and connected electrically to the segment electrodes, individually, and a plurality of contact electrodes connected to the segment electrodes and the corresponding wiring electrodes. The adjacent segment electrodes are different in height position above the lower transparent substrate. A contact electrode that is connected to that one of each two adjacent segment electrodes which is situated on the side of a liquid crystal layer is connected to the destination segment electrode inside its edge, when viewed along a section formed by cutting the segment electrode in the direction perpendicular to the planes of the lower and an upper transparent substrate.

REFERENCES:
patent: 6909686 (2005-06-01), Iwasaki et al.
patent: 2005/0207290 (2005-09-01), Iwasaki et al.
patent: 2001-176108 (2001-06-01), None

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