Panel display screen with touch control function
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United States of America Patent
Stats
-
Sep 11, 2007
Grant Date -
Dec 2, 2004
app pub date -
Aug 2, 2002
filing date -
Sep 25, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A flat panel display screen includes a flat panel display screen main unit and a touch control induction layer. The touch control induction layer is placed behind the flat panel display screen, wherein the touch control induction layer is constituted by an electromagnetic induction generation layer and a bottom support layer, wherein a base layer of the electromagnetic induction generation layer is an insulated flexible membrane, the surface of the membrane is printed with an electromagnetic induction antenna array, constituting a flexible membrane type electromagnetic induction generation layer, the output of that layer is connected to and controls the recognition circuit, and the input pen has an electromagnetic wave generation device. The present invention has a simple manufacturing technique, low cost, high precision, and long operating life.
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