Liquid crystal cells – elements and systems – With specified nonchemical characteristic of liquid crystal... – Utilizing change within liquid crystal phase
Reexamination Certificate
2006-10-17
2006-10-17
Dudek, James A. (Department: 2871)
Liquid crystal cells, elements and systems
With specified nonchemical characteristic of liquid crystal...
Utilizing change within liquid crystal phase
C349S088000
Reexamination Certificate
active
07123335
ABSTRACT:
A display sheet is disclosed comprising, a substrate, first transparent conductors, second conductors and, between first and second conductors, at least one imaging layer comprising a substantial monolayer of isolated domains of liquid-crystal material, dispersed in a continuous matrix, wherein said domains of liquid-crystal material comprises a mixture of at least two populations, a first population comprising a first liquid-crystal material having a first λmaxwithin the infrared spectral region and a second population comprising a second liquid-crystal material having a second λmaxwithin the visible spectral region. Alternately, the imaging layer can comprise a substantial monolayer of isolated domains of liquid-crystal material comprising a population of domains comprising a liquid-crystal material having a λmaxbetween 700 and 800 and having a half-peak width that extends into both the visible spectrum region and the infrared spectral region.
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Chari Krishnan
Rankin, Jr. Charles M.
Dudek James A.
Eastman Kodak Company
Konkol Chris P.
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