Driver circuit for driving liquid-crystal display
First Claim
1. A driver circuit comprising:
- a first driving voltage selector circuit and a second driving voltage selector circuit for respectively producing therefrom driving voltages respectively to first output terminals and second output terminals according to data inputted thereto, the driving voltage fed to the first output terminals having a polarity different from that of the driving voltage delivered to the second output terminals;
a first switching circuit selectively connecting said first output terminals to first driving output terminals, a second switching circuit selectively connecting said second output terminals to second driving output terminals; and
a third switching circuit selectively connecting said first output terminals to said second driving output terminals, and selectively connecting said second output terminals to said first driving output terminals.
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Accused Products
Abstract
A driver circuit to drive a display by inverting the voltage polarity operates with a reduced power consumption. The driver circuit includes a driving voltage selector circuit including positive and negative driving voltage selector circuits alternately arranged therein and a circuit which conducts a change-over operation between a state in which signals respectively from the positive and negative driving voltage selector circuits are respectively outputted to first and second terminals in a first horizontal period and a state in which signals respectively from the positive and negative driving voltage selector circuits are respectively sent to second and first terminals in a second horizontal period.
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Citations
8 Claims
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1. A driver circuit comprising:
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a first driving voltage selector circuit and a second driving voltage selector circuit for respectively producing therefrom driving voltages respectively to first output terminals and second output terminals according to data inputted thereto, the driving voltage fed to the first output terminals having a polarity different from that of the driving voltage delivered to the second output terminals; a first switching circuit selectively connecting said first output terminals to first driving output terminals, a second switching circuit selectively connecting said second output terminals to second driving output terminals; and a third switching circuit selectively connecting said first output terminals to said second driving output terminals, and selectively connecting said second output terminals to said first driving output terminals. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification