Liquid crystal cells – elements and systems – Particular excitation of liquid crystal – Thermal excitation
Reexamination Certificate
2005-12-27
2005-12-27
Nguyen, Dung T. (Department: 2871)
Liquid crystal cells, elements and systems
Particular excitation of liquid crystal
Thermal excitation
C349S086000
Reexamination Certificate
active
06980261
ABSTRACT:
A videocassette has a display portion for displaying recorded contents. The display portion is formed with a display device. The display device has a conductive layer, a PDLC (polymer-dispersed liquid crystal) film, and a protective layer. The display device can repeatedly record and erase visible information.
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Dai Nippon Printing Co. Ltd.
Smith , Gambrell & Russell, LLP
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