Display device, drive circuit thereof, driving method...

Details Display device, drive circuit thereof, driving method... Display device, drive circuit thereof, driving method...

2007-03-27

2007-03-27

Hjerpe, Richard (Department: 2629)

Computer graphics processing and selective visual display system

Display driving control circuitry

C345S096000, C345S100000

Reexamination Certificate

active

10178590

ABSTRACT:
The present invention provides a drive circuit of a display device that reduces power consumption while restraining the occurrence of cross talk at the same time. The drive circuit can include a plurality of scanning lines that are bundled into a block, and the polarities of the selection voltages of scanning signals Yi, Yi+1, Yi+2, and Yi+3 supplied to the scanning lines that belong to the same block are alternately inverted. Furthermore, the polarity of the selection voltage of the scanning signal Yi+3 supplied to the scanning line selected last in the block is the same as the polarity of the selection voltage of the scanning signal Yi+4 supplied to the scanning line selected first in a block following the aforesaid block. Accordingly, it is possible to reduce power consumption while restraining the degradation in display quality at the same time.

REFERENCES:
patent: 5818409 (1998-10-01), Furuhashi et al.
patent: 6118425 (2000-09-01), Kudo et al.
patent: 6172662 (2001-01-01), Ito et al.
patent: 6307681 (2001-10-01), Aoki et al.
patent: 6545653 (2003-04-01), Takahara et al.
patent: 6583778 (2003-06-01), Nishimura et al.
patent: 6636206 (2003-10-01), Yatabe

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