Electronic digital logic circuitry – Interface – Current driving
Reexamination Certificate
2011-06-14
2011-06-14
Le, Don P (Department: 2819)
Electronic digital logic circuitry
Interface
Current driving
C324S204000
Reexamination Certificate
active
07961006
ABSTRACT:
With an offset circuit including transistors of the same conductivity type, offset of an input signal is performed. Then, the input signal after the offset is supplied to a logic circuit including transistors of the same conductivity type as that of the offset circuit, thereby H and L levels of the input signal can be shifted at the same time. Further, since the offset circuit and the logic circuit are formed using the transistors of the same conductivity type, a display device can be manufactured at a low cost.
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Kimura Hajime
Umezaki Atsushi
Fish & Richardson P.C.
Le Don P
Semiconductor Energy Laboratory Co,. Ltd.
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