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US 2022/0189411 A1Published application
Precharge circuit and source driver including the same
AssigneeLx Semicon Co., Ltd.
InventorsYoung Bok KIM, Won KIM, Taiming PIAO
Life of this patent
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Abstract
The present disclosure discloses a precharge circuit capable of compensating for a resistance deviation between channels so that sense lines of a display panel can be uniformly charged and a source driver including the same. The precharge circuit may include a voltage terminal configured to provide a reference voltage, a common line connected to the voltage terminal, and channel lines connected to the common line and configured to transfer, to respective sense lines of a display panel, the reference voltage transferred through the common line.
Claims11
A precharge circuit comprising:
- a voltage terminal configured to provide a reference voltage;
- a common line connected to the voltage terminal;
- channel lines connected to the common line and configured to transfer, to respective sense lines of a display panel, the reference voltage transferred through the common line;
- and
- a compensation circuit configured to compensate for a resistance deviation of the common line between channels with respect to each of the channel lines.
2 more elements
A source driver comprising:
- a precharge circuit configured to precharge sense lines of a display panel,
- wherein the precharge circuit comprises:
- a voltage terminal configured to provide a reference voltage;
- a common line connected to the voltage terminal;
- channel lines connected to the common line and configured to transfer, to the respective sense lines of the display panel, the reference voltage transferred through the common line;
- and
- a compensation circuit configured to compensate for a resistance deviation of the common line between channels with respect to each of the channel lines.
4 more elements
Dependencies are inferred from the claim text.