Display device having first and second display units separated by an optical sheet having an aperture with a width corresponding to one of the display units
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United States of America Patent
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Apr 5, 2011
Grant Date -
Aug 13, 2009
app pub date -
Apr 21, 2009
filing date -
Oct 30, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A display device is provided which offers double-sided display and achieves a thin structure and also which prevents deterioration in display quality of each of front and back display units when an illumination unit such as a backlight is shared by these display units. The display device includes a first display unit having a display surface on the front surface thereof; a second display unit having a display surface on the rear surface thereof; and a common illumination unit interposed between the first display unit and the second display unit, for illuminating both the first display unit and the second display unit with light. A transflector is interposed between the second light-emitting surface of the light-guiding member and the second display unit.
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