Data driving circuit and display device
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United States of America Patent
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Sep 20, 2022
Grant Date -
N/A
app pub date -
Dec 7, 2021
filing date -
Dec 14, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
Two or more sensing switches are included in a sensing unit for detecting a characteristic value of a subpixel, and are electrically coupled to a reference voltage line. The two or more sensing switches share a sampling switch with a sensing capacitor included in the sensing unit, which reduces size of the sensing unit. Sensing may include driving simultaneously two or more sensing switches sharing a sensing capacitor, or sensing may be performed through continuous and short driving after simultaneous driving. Overall sensing time can be reduced and sensing accuracy improved.
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