DISPLAY DEVICE AND PORTABLE TERMINAL
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United States of America Patent
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Issued Date -
Sep 30, 2010
app pub date -
Feb 22, 2010
filing date -
Mar 27, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A display device includes a first light-transmissive glass plate having a first electrode for connection to a power supply, a second light-transmissive glass plate having a second electrode for connection to the power supply, a light dispersing element sealed between the first and second glass plates for transmitting light when voltage is applied and dispersing the light when the voltage is not applied, a light-transmissive transparent element laminated on the second glass plate and having a predetermined refractive index, a light guide plate laminated on the transparent element and having a refractive index lower than the transparent element for surface-emitting the light toward a side viewed by a user, a light emitting part provided on a lateral side of the light guide plate for emitting light, and a display control part for turning on or off the voltage applied to the first and second electrodes.
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