DATA DRIVING CIRCUIT AND DISPLAY DEVICE INCLUDING THE SAME
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United States of America Patent
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Aug 8, 2023
Grant Date -
Aug 17, 2023
app pub date -
Nov 11, 2022
filing date -
Feb 17, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
A data driving circuit includes: a resistor string in which a plurality of resistors are connected in series; and a plurality of data channels connected to a high voltage node, intermediate voltage nodes, and a low voltage node of the resistor string and configured to convert a digital data signal into an analog data voltage. Each of the plurality of data channels includes: a main digital-to-analog converter connected to the high voltage node, the intermediate voltage nodes, and the low voltage node, a multiplier connected to an output terminal of the main digital-to-analog converter, a sub digital-to-analog converter connected to some of the high voltage node, the intermediate voltage nodes, and the low voltage node, and a voltage synthesizer connected to an output terminal of the multiplier and an output terminal of the sub digital-to-analog converter.
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