Semiconductor device and driving method thereof | Patent Publication Number 20090009676
US 20090009676 A1Patent NumberUS 08487841 B2
Application Number12208361
Filled DateSep 11, 2008
Priority DateOct 30, 2002
Publication DateJan 8, 2009
Original AssigneeSemiconductor Energy Laboratory
Current AssigneeSemiconductor Energy Laboratory
Inventor/ApplicantsHajime Kimura
Yoshifumi Tanada
Yoshifumi Tanada
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