Display device and electronic apparatus
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United States of America Patent
Stats
-
Jan 13, 2009
Grant Date -
Jan 20, 2005
app pub date -
Jul 7, 2004
filing date -
Jul 18, 2003
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
When a pixel and a signal line driver circuit are made up of semi-amorphous TFTs, an amplitude for driving the pixel has to be made larger, and a high power supply voltage is needed. The high power supply voltage increases power consumption in the case of partial drive. According to the invention, in order to reduce power consumption, a gate signal line driver circuit stores data of whether each gate signal line is used for displaying an image or not, thereby stopping driving of a gate signal line which is not required to be driven.
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