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US 2021/0004102 A1Published application
In-cell touch display device
AssigneeHon Hai Precision Industry Co., Ltd.
InventorsYU-FU WENG, HUNG-YUN HUANG
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Abstract
An in-cell touch display device including a display panel and a backlight module proofed against humming or other audible output by cross-induction includes touch electrodes in the display panel. The in-cell touch display device further includes an induced charge-eliminating element or a driving element to eliminate induced charges generated in the backlight module due to induction caused by the touch electrodes.
Claims15
An in-cell touch display device, comprising:
- a backlight module for providing light;
- a display panel on a side of the backlight module for displaying images using the light, the display panel comprising a plurality of touch electrodes;
- and
- a grounded induced charge-eliminating element between the backlight module and the display panel, wherein the induced charge-eliminating element is configured to eliminate induced charges generated in the backlight module due to induction of the plurality of touch electrodes.
1 more element
An in-cell touch display device, comprising:
- a backlight module for providing light;
- a display panel on a side of the backlight module for displaying images using the light, the display panel comprising a plurality of touch electrodes;
- and
- a driving element configured to apply a driving signal to the plurality of touch electrodes;
- wherein the driving signal comprises alternating positive voltage signals and negative voltage signals.
2 more elements
Dependencies are inferred from the claim text.