Optical: systems and elements – Optical modulator – Light wave temporal modulation
Reexamination Certificate
2011-06-21
2011-06-21
Ben, Loha (Department: 2873)
Optical: systems and elements
Optical modulator
Light wave temporal modulation
C359S265000, C359S321000
Reexamination Certificate
active
07965434
ABSTRACT:
This invention provides a display element comprising an electrolyte between opposed electrodes. The electrolyte contains silver, or a compound containing silver. The opposed electrodes are driven and operated so that silver is dissolved and precipitated. The display element is characterized in that this electrolyte satisfies the following requirements a to c: a. a cyclic carboxylic acid ester having a dielectric constant of not less than 30 and not more than 50 is contained as an organic solvent; b. formula (1) is satisfied: 0<[x]/[Ag]≦0.1 (1) wherein [x] represents the total molar concentration (mol/kg) of halogen ions or halogen atoms contained in halide molecules; and [Ag] represents a total molar concentration (mol/kg) of silver or a compound containing silver; and c. the concentration of silver or a compound containing silver in an organic solvent is not less than 0.2 mmol/g and not more than 0.5 mmol/g.
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Hakii Takeshi
Ijima Tomoaki
Ben Loha
Cantor & Colburn LLP
Konica Minolta Holdings Inc.
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