AMPLIFIER, LIQUID CRYSTAL DISPLAYING DRIVING CIRCUIT AND LIQUID CRYSTAL DISPLAY APPARATUS
First Claim
1. An amplifier, comprising:
- a voltage follower circuit having differential input terminals and an output terminal fed back to a first one of the differential input terminals, the voltage follower circuit being configured to amplify an input signal inputted to a second one of the differential input terminals and output the amplified signal from the output terminal;
a first current source configured to supply a predetermined current to said voltage follower circuit; and
a second current source configured to supply current to said voltage follower circuit when a potential difference between the second one of the differential input terminals and the output terminal is equal to or higher than a predetermined value.
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Accused Products
Abstract
Disclosed herein is an amplifier including a voltage follower circuit having differential input terminals and an output terminal fed back to a first one of the differential input terminals, the voltage follower circuit being configured to amplify an input signal inputted to a second one of the differential input terminals and output the amplified signal from the output terminal; a first current source configured to supply a predetermined current to the voltage follower circuit; and a second current source configured to supply current to the voltage follower circuit when a potential difference between the second one of the differential input terminals and the output terminal is equal to or higher than a predetermined value.
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Citations
5 Claims
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1. An amplifier, comprising:
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a voltage follower circuit having differential input terminals and an output terminal fed back to a first one of the differential input terminals, the voltage follower circuit being configured to amplify an input signal inputted to a second one of the differential input terminals and output the amplified signal from the output terminal; a first current source configured to supply a predetermined current to said voltage follower circuit; and a second current source configured to supply current to said voltage follower circuit when a potential difference between the second one of the differential input terminals and the output terminal is equal to or higher than a predetermined value. - View Dependent Claims (2, 3)
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4. A liquid crystal displaying driving circuit for outputting a driving signal for driving pixels provided in a liquid crystal displaying section operative to display an image, comprising:
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a digital-to-analog conversion circuit configured to generate a driving analog signal in response to an input video signal; and an amplifier including a voltage follower circuit having differential input terminals and an output terminal fed back to a first one of the differential input terminals, the voltage follower circuit being configured to amplify the driving analog signal inputted to a second one of the differential input terminals and output the amplified signal from the output terminal, a first current source configured to supply a predetermined current to the voltage follower circuit, and a second current source configured to supply current to the voltage follower circuit when a potential difference between the second one of the differential input terminals and the output terminal is equal to or higher than a predetermined value.
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5. A liquid crystal display apparatus, comprising:
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a driving circuit including a decoder circuit configured to decode an input signal to produce an input video signal, a digital-to-analog conversion circuit configured to generate a driving analog signal in response to the input video signal, and an amplification circuit including a plurality of amplifiers each including a voltage follower circuit having differential input terminals and an output terminal fed back to a first one of the differential input terminals, the voltage follower circuit being configured to amplify the driving analog signal inputted to a second one of the differential input terminals and output the amplified signal from the output terminal, a first current source configured to supply a predetermined current to the voltage follower circuit, and a second current source configured to supply current to the voltage follower circuit when a potential difference between the second one of the differential input terminals and the output terminal is equal to or higher than a predetermined value; and a liquid crystal displaying section including a plurality of pixels driven by the driving signal and configured to display an image.
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Specification