Display device, method for driving the same, and portable...

Details Display device, method for driving the same, and portable... Display device, method for driving the same, and portable...

2005-10-25

2005-10-25

Shalwala, Bipin (Department: 2673)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S095000, C345S099000, C365S227000, C365S231000

Reexamination Certificate

active

06958745

ABSTRACT:
A selection-addressing-type liquid crystal display selectively addresses a signal line of a pixel unit using groups of three selectors of a selector circuit in a time-division manner. A level converter level shifts selector pulses having a voltage swing corresponding to the external-circuit power supply to selector pulses having a voltage swing corresponding to the internal-circuit power supply. In a non-display region in partial display mode, the level converter is deactivated under the control of a control signal to reduce direct current consumption therein.

REFERENCES:
patent: 5363118 (1994-11-01), Okumura
patent: 6078542 (2000-06-01), Tomishima
patent: 2001/0033278 (2001-10-01), Ohta et al.
patent: 2003/0034948 (2003-02-01), Imamura

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