Driving voltage control device, display device and driving voltage control method
First Claim
1. A driving voltage control device operating in a first mode and in a second mode, and comprising a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, and an output section, wherein in the first mode:
- the first capacitor receives a first voltage and stores an amount of charge according to a voltage value of the first voltage;
the second capacitor receives a second voltage and stores an amount of charge according to a voltage value of the second voltage; and
the output section supplies either one of a voltage according to the amount of charge stored in the first capacitor and a voltage according to the amount of charge stored in the second capacitor to a first output node according to a predetermined timing, and in the second mode;
the third capacitor receives a third voltage and stores an amount of charge according to a voltage value of the third voltage;
the fourth capacitor receives a fourth voltage and stores an amount of charge according to a voltage value of the fourth voltage; and
the output section supplies either one of a voltage according to the amount of charge stored in the third capacitor and a voltage according to the amount of charge stored in the fourth capacitor to a second output node according to a predetermined timing.
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Accused Products
Abstract
A driving voltage control device includes a first to fourth capacitor, and an output section. In the first mode, the first capacitor receives a first voltage and stores a corresponding amount of charge, the second capacitor receives a second voltage and stores a corresponding amount of charge, and the output section supplies either one of a voltage according to the amount of charge stored in the first capacitor or second capacitor to a first output node according to a predetermined timing. In the second mode, the third capacitor receives a third voltage and stores a corresponding amount of charge, the fourth capacitor receives a fourth voltage and stores a corresponding amount of charge, and the output section supplies either one of a voltage according to the amount of charge stored in the third capacitor or fourth capacitor to a second output node according to a predetermined timing.
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Citations
15 Claims
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1. A driving voltage control device operating in a first mode and in a second mode, and comprising a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, and an output section, wherein in the first mode:
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the first capacitor receives a first voltage and stores an amount of charge according to a voltage value of the first voltage; the second capacitor receives a second voltage and stores an amount of charge according to a voltage value of the second voltage; and the output section supplies either one of a voltage according to the amount of charge stored in the first capacitor and a voltage according to the amount of charge stored in the second capacitor to a first output node according to a predetermined timing, and in the second mode; the third capacitor receives a third voltage and stores an amount of charge according to a voltage value of the third voltage; the fourth capacitor receives a fourth voltage and stores an amount of charge according to a voltage value of the fourth voltage; and the output section supplies either one of a voltage according to the amount of charge stored in the third capacitor and a voltage according to the amount of charge stored in the fourth capacitor to a second output node according to a predetermined timing. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A driving voltage control device for supplying a predetermined voltage to a counter electrode of each of a first display panel and a second display panel, the driving voltage control device operating in a first mode and in a second mode, and comprising a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, and an output section, wherein in the first mode:
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the first capacitor receives a first voltage from outside and stores an amount of charge according to a voltage value of the first voltage; the second capacitor receives a second voltage from outside and stores an amount of charge according to a voltage value of the second voltage; and the output section supplies either one of a voltage according to the amount of charge stored in the first capacitor and a voltage according to the amount of charge stored in the second capacitor to the counter electrode of the first display panel according to a predetermined timing, and in the second mode; the third capacitor receives a third voltage from outside and stores an amount of charge according to a voltage value of the third voltage; the fourth capacitor receives a fourth voltage from outside and stores an amount of charge according to a voltage value of the fourth voltage; and the output section supplies ether one of a voltage according to the amount of charge stored in the third capacitor and a voltage according to the amount of charge stored in the fourth capacitor to the counter electrode of the second display panel according to a predetermined timing.
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13. A driving voltage control method having a first mode and a second mode, and comprising a step (a), a step (b) and a step (c), wherein in the first mode:
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the step (a) is a step of applying a first voltage to a first capacitor; the step (b) is a step of applying a second voltage to a second capacitor; and the step (c) is a step of supplying either one of a voltage according to an amount of charge stored in the first capacitor and a voltage according to an amount of charge stored in the second capacitor to a first output node according to a predetermined timing, and in the second mode; the step (a) is a step of applying a third voltage to a third capacitor; the step (b) is a step of applying a fourth voltage to a fourth capacitor; and the step (c) is a step of supplying either one of a voltage according to an amount of charge stored in the third capacitor and a voltage according to an amount of charge stored in the fourth capacitor to a second output node according to a predetermined timing. - View Dependent Claims (14, 15)
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Specification