Power-saving driving method of a mobile phone
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United States of America Patent
Stats
-
Jul 20, 2010
Grant Date -
Nov 9, 2006
app pub date -
Jul 5, 2006
filing date -
Jun 2, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
In a mobile phone having a liquid crystal display unit, the entire liquid crystal display unit is displayed in a simple display mode at lest in a non-operating standby mode. In the simple display mode, the entire liquid crystal display unit is driven by reducing the number of gradation levels or by decreasing a liquid crystal driving voltage. By using such a controlling method, the power consumption of the liquid crystal display unit can be reduced in the non-operating standby mode. On the other hand, necessary information such as time and the amount of remaining battery is displayed such that the information can be read.
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