Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 9, 2008
Patent Application Number
10847415
Date Filed
May 18, 2004
Patent Citations Received
Patent Primary Examiner
Patent abstract
Driving condition is determined so that the stimulating values of brightness with respect to drive data become closer to being regular in interval. As the drive condition, the frequency of a reference clock used for the pulse width modulation is changed to be higher than the range of high gradations in the range of low gradations in drive data. Accordingly, smaller increment in brightness in the range of low gradation and larger increment in the range of high gradations are achieved.
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