TOUCH SCREEN AND TOUCH SCREEN DRIVE METHOD
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United States of America Patent
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N/A
Issued Date -
Nov 1, 2012
app pub date -
Nov 25, 2010
filing date -
Nov 27, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention discloses a touch screen and a driving method for the same, the touch screen including: a touch detection area, a processing unit, emission tubes and reception tubes, the emission tubes and the reception tubes being located at the edge of the touch detection area to provide infrared to form a scanning grid, the touch screen also including a background light source which provides auxiliary light to the infrared. The present invention also discloses a corresponding driving method for the touch screen. The touch screen and the driving method for the same of the present invention may reduce the impact of the dark environment on the period required for the received signal in the touch screen to reach stability.
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