PIXEL CIRCUIT AND DISPLAY DEVICE
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United States of America Patent
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Issued Date -
Jun 13, 2013
app pub date -
May 23, 2011
filing date -
Aug 31, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A pixel circuit includes a display element unit including a unit liquid crystal display element having a liquid crystal layer between a pixel electrode and a counter electrode, a capacitor element having a tunnel insulating film between first and second electrodes wherein a tunnel current flows between the electrodes when a predetermined high voltage is applied between the electrodes, and a switch circuit having a first terminal connected to the second electrode of the capacitor element, a second terminal connected to a data signal line, and a control terminal connected to a scanning signal line, the control terminal controlling electrical connection between the first and second terminals. A voltage corresponding to pixel data with a voltage of the counter electrode being a reference is held in an internal node connecting the pixel electrode and the first electrode of the capacitor element.
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