Optical switching element and photoaddressable display medium using the same
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United States of America Patent
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Mar 8, 2011
Grant Date -
Jun 3, 2004
app pub date -
Aug 12, 2003
filing date -
Nov 29, 2002
priority date (Note) -
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Abstract
An optical switching element including at least a multi-layered optical switching layer that includes a charge generation layer and a charge transport layer wherein, the charge transport layer contains a charge transporting material represented by the following general formula (1). The optical switching element is applicable in a device, a photoaddressable display medium and a display device. The optical switching element may alternatively include a mono-layered optical switching layer that has a charge generating function and a charge transporting function, wherein the mono-layered optical switching layer contains the charge transporting material represented by the following general formula (1).
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