DISPLAY SYSTEMS INCLUDING OPTICAL TOUCHSCREEN
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United States of America Patent
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Issued Date -
May 30, 2013
app pub date -
Nov 30, 2011
filing date -
Nov 30, 2011
priority date (Note) -
Abandoned
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Abstract
This disclosure provides systems, methods and apparatus for a display device having a front light to provide front illumination to the display element included in the display device and an optical touch screen to provide a touch input to the display device. In one aspect, the display device includes a light source disposed to inject light into a backplate of the display device rearward of the display elements and a light redirector disposed to receive light from the backplate and redirect the received light forward of the display elements for optical touch purpose.
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