GAMMA REFERENCE VOLTAGE GENERATOR AND DISPLAY DEVICE HAVING THE SAME
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United States of America Patent
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N/A
Issued Date -
Feb 2, 2017
app pub date -
May 18, 2016
filing date -
Jul 31, 2015
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
A gamma reference voltage generator includes first and second resistors between a base voltage source and an input node, a third resistor coupled to a first node between the first resistor and the second resistor, a first transistor coupled to the input node and coupled to a first output node, a fourth resistor coupled between the first transistor and the input node, an operational amplifier coupled to the first node and coupled to a second terminal of the third resistor, a second transistor coupled to the first transistor, coupled to the second terminal of the third resistor and a second output node, and coupled to an output terminal of the operational amplifier, a fifth resistor and a first capacitor coupled in parallel between the second output node and the base voltage source, and a plurality of resistors coupled between the first output node and the second output node.
First Claim
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