Liquid crystal display device with tablet
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United States of America Patent
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Jul 27, 1999
Grant Date -
N/A
app pub date -
Apr 18, 1996
filing date -
Apr 25, 1995
priority date (Note) -
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status (Latency Note)
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Abstract
A liquid crystal display device with a tablet reduced in apparatus thickness and enhanced in display visibility. The liquid crystal display device mainly composed of a liquid crystal display upper glass plate, a liquid crystal, and a liquid crystal display lower glass plate is connected with a tablet on the upper glass plate, the tablet being mainly composed of a film having a first transparent electrode. A second transparent electrode arranged on the upper glass plate is made function as both an electrostatic capacity detecting electrode and a display electrode. Namely, display is made by the second transparent electrode and a third transparent electrode and a coordinate on the tablet is detected by the first transparent electrode and the second transparent electrode.
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