Display device

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2008-06-03

2010-11-23

Mengistu, Amare (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S211000, C345S212000

Reexamination Certificate

active

07839373

ABSTRACT:
A display device which arranges a memory part for every display pixel is configured to prevent a charge from remaining in liquid crystal when a power source is turned off. Each display pixel includes a memory part for storing video data, a pixel electrode, and a switch part for selectively applying a first video voltage or a second video voltage different from the first video voltage to the pixel electrode corresponding to the video data stored in the memory part. The display device further includes a reset circuit for allowing the first video voltage and the second video voltage to have the same voltage when a power source of the display device is turned off.

REFERENCES:
patent: 6317344 (2001-11-01), Koizumi et al.
patent: 2002/0196223 (2002-12-01), Takahashi et al.
patent: 2003/0218593 (2003-11-01), Inoue et al.
patent: 2006/0221033 (2006-10-01), Yasuda et al.

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