Liquid crystal cells – elements and systems – Particular excitation of liquid crystal – Electrical excitation of liquid crystal
Reexamination Certificate
2008-11-25
2011-11-15
Caley, Michael (Department: 2871)
Liquid crystal cells, elements and systems
Particular excitation of liquid crystal
Electrical excitation of liquid crystal
C349S038000, C345S087000, C345S092000
Reexamination Certificate
active
08059218
ABSTRACT:
With a display device using a pixel which includes a sub-pixel, the display device with improved viewing angle and quality of moving image display is provided without increase in power consumption by driving of the sub-pixel. A circuit which can change conducting states by a plurality of switches is provided, and charge in a plurality of sub-pixels and a capacitor element is transported mutually, so that desired voltage is applied to the plurality of sub-pixels without applying voltage in plural times from external. Moreover, a period in which each sub-pixel displays black is provided in accordance with transfer of charge.
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Caley Michael
Fish & Richardson P.C.
Semiconductor Energy Laboratory Co,. Ltd.
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