Interactive display device
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United States of America Patent
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Apr 1, 2014
Grant Date -
May 31, 2012
app pub date -
Jul 2, 2010
filing date -
Jul 3, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
An interactive display device is disclosed. The interactive display device comprises: a housing, a user interface surface which is coupled with the housing, a display panel which is disposed under the user interface surface, an area light detector which is disposed under the display panel and configured to detect invisible light reflected by an object which is on or adjacent to the user interface surface, a plane light guide plate which is disposed under the area light detector, and an invisible light source which is disposed at the side of the plane light guide plate. The interactive display device has small size and better appearance, and thus is easy to be transported and more competitive.
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