Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hajime Kimura0
Date of Patent
December 8, 2009
0Patent Application Number
109140810
Date Filed
August 10, 2004
0Patent Citations Received
0
Patent Primary Examiner
Patent abstract
Solved is a problem of attenuation of output amplitude due to a threshold value of a TFT when manufacturing a circuit with TFTs of a single polarity. In a capacitor (105), a charge equivalent to a threshold value of a TFT (104) is stored. When a signal is inputted thereto, the threshold value stored in the capacitor (105) is added to a potential of the input signal. The thus obtained potential is applied to a gate electrode of a TFT (101). Therefore, it is possible to obtain the output having a normal amplitude from an output terminal (Out) without causing the amplitude attenuation in the TFT (101).
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