Display-driving voltage generating apparatus

Details Display-driving voltage generating apparatus Display-driving voltage generating apparatus

1996-10-04

1998-07-14

Wong, Peter S.

Electricity: power supply or regulation systems

Output level responsive

Using a three or more terminal semiconductive device as the...

323270, 327333, G05F 1577, G05F 168, H03K 190175

Patent

active

057810010

ABSTRACT:
Power consumption, in an apparatus for generating a display unit drive voltage, is reduced. The potential at a point A is held substantially intermediately between V0 and V5 by a potential corrector 36. Voltage regulators 31, 32 supplied with V0 are connected through point A to voltage regulators 33, 34 supplied with voltage V5. Point A in turn is connected to a charger storing unit 35. The charge storing unit 35 stores the charge flowing into point A. Wasteful flow of electricity is thus eliminated for a reduction in power consumption.

REFERENCES:
patent: Re35043 (1995-09-01), Takeda
patent: 4158786 (1979-06-01), Hirasawa
patent: 5589790 (1996-12-01), Allen
"Hitachi LCD Driver LSI Data Book", Mar. 1990 Edition, pp. 61-62.
"1990 Sanyo Semiconductor Data Book, Industrial Equipment Integrated Circuits", vol. 4, Constant Voltage Edition, pp. 183-184.

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