Display device having liquid crystal layer and switchable...

Liquid crystal cells – elements and systems – Particular structure – Interconnection of plural cells in series

Reexamination Certificate

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Details

C349S083000, C349S113000, C349S115000, C345S102000

Reexamination Certificate

active

07436470

ABSTRACT:
A display device including a first electrode, a liquid crystal layer positioned under and connected to the first electrode, a second electrode and a switchable optical layer. The switchable optical layer includes either a transparent state or a non-transparent state and is electrically switchable between the transparent state and the non-transparent state. The non-transparent state is a reflective state or a selectively emissive state. The switchable optical layer is positioned above and connected to the second electrode. A third electrode is positioned between the liquid crystal layer and the switchable optical layer.

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