Arrangement for activating a display device with voltage...

Details Arrangement for activating a display device with voltage... Arrangement for activating a display device with voltage...

2005-04-26

2005-04-26

Philogene, Haissa (Department: 2821)

Electric lamp and discharge devices: systems

Plural power supplies

Plural cathode and/or anode load device

C315S169200, C315S169300, C345S042000, C345S212000

Reexamination Certificate

active

06885155

ABSTRACT:
The invention relates to an arrangement for activating a display device with rows and columns, in which voltages may be supplied to the rows and columns of the display device as a function of data to be displayed. In addition, the invention relates to a display device having such an arrangement.To allow an efficient energy utilization and to avoid inaccuracies, an arrangement for activating a display device with columns and rows is proposed in which voltages (Vcol, Vcol/2, Vss, Vrow+, Vrow−) can be supplied to the rows and columns of the display device (2) as a function of data to be displayed, and the arrangement comprises at least one voltage divider unit (12) and one voltage multiplier unit (11), a supply voltage (Vdd) being supplied to the voltage divider unit, a divided voltage derived from the voltage divider unit being supplied to a voltage multiplier unit, and the divided voltage and the voltage generated by the voltage multiplier unit being supplied to the display device.

REFERENCES:
patent: 5892504 (1999-04-01), Knapp
patent: 5956006 (1999-09-01), Sato
patent: 6198466 (2001-03-01), Morich et al.
patent: 6359389 (2002-03-01), Medina et al.

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