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27.3: Electro‐Optical Cholesteric Sheet Writing
Author(s) -
Stephenson Stanley W.,
Mi XiangDong,
Johnson David M.,
Rangel J. I.,
Silbermann J.
Publication year - 2006
Publication title -
sid symposium digest of technical papers
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.351
H-Index - 44
eISSN - 2168-0159
pISSN - 0097-966X
DOI - 10.1889/1.2433208
Subject(s) - flash (photography) , materials science , layer (electronics) , optoelectronics , conductor , inkwell , nanotechnology , optics , composite material , physics
Flexible displays having a polymer dispersed cholesteric layer, a dark layer and a thin electrical conductor have been found to respond to a combination of high‐intensity xenon flash energy and electrical field. A variety of writing schemes have been discovered. Simple super‐twisted‐nematic displays can be used as an imaging mask. The technology further permits dry fingerprint imaging through contact printing.