Method of fabricating liquid crystal display device having a light-sensing thin film transistor disposed at a pixel region
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United States of America Patent
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Nov 13, 2012
Grant Date -
Jun 28, 2012
app pub date -
Jan 5, 2012
filing date -
Mar 30, 2007
priority date (Note) -
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Abstract
The disclosure describes a liquid crystal display device with a sensing function and a method of fabricating the same. The device comprising gate and data lines crossing each other on a substrate, so as to define a pixel region including a pixel electrode; a first switching thin film transistor disposed at a crossing of the gate and data lines; a sensing thin film transistor, disposed at a predetermined portion of the pixel region, that senses external light; a sensing storage capacitor that stores a signal sensed by the sensing thin film transistor; and a second switching thin film transistor that receives the sensing signal stored and reads information that is externally inputted, wherein the sensing storage capacitor and the second switching thin film transistor are provided with a reflective region including a reflective electrode.
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