US Patent 7057588 Active-matrix display device and method of driving the same
Patent 7057588 was granted and assigned to Sony on June, 2006 by the United States Patent and Trademark Office.
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Patent abstract
In an active-matrix display device and a method for driving the active-matrix display device, a fifth transistor is connected between a power line and a drain terminal of a first transistor so that a power-supply voltage, namely the fixed voltage required for the compensation of the threshold voltage, is supplied by the power line via a fifth transistor and not by a signal line. Thus, a sufficient length of time for the threshold voltage compensation period can be maintained, and a second transistor of each pixel can accurately be compensated for threshold voltage irregularities.
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Patent Inventor Names
Akira Yumoto0
Mitsuru Asano0
Date of Patent
June 6, 2006
0Patent Application Number
106675960
Date Filed
September 23, 2003
0Patent Primary Examiner
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US Patent 7057588 Active-matrix display device and method of driving the same
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