REFLECTIVE DISPLAY DEVICE AND METHOD FOR CONTROLLING THE SAME
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United States of America Patent
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Issued Date -
Jun 11, 2015
app pub date -
Feb 3, 2014
filing date -
Feb 1, 2013
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Abandoned
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Abstract
A reflective display device according to the present invention comprises a first unit cell containing a first fluid in which first charged particles are dispersed; a second unit cell containing a second fluid in which second charged particles are dispersed; an electric field applying unit for applying an electric field to the first and second unit cells; and a control unit for controlling colors displayed from the first and second unit cells by adjusting an intensity of the applied electric field, wherein the first and second particles do not move when the electric field is applied with an intensity less than each of threshold values thereof, and move when the electric field is applied with an intensity equal to or higher than each of the threshold values thereof, and wherein the threshold values of the first and second particles are set to be different from each other.
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