Tactile feedback device, related method, and touch display device containing the same
First Claim
1. A tactile feedback device, comprising:
- a deformable structure, a driver coupled to the deformable structure, a controller coupled to the driver, a first signal line, a second signal line, and a thin-film transistor coupled to a deformable unit, wherein;
the deformable structure is configured to include a plurality of deformable units placed on a display panel, each of the plurality of deformable units being capable of deforming along a direction at an angle to a plane the plurality of deformable units is placed on;
the controller is configured to generate and send a control signal to the driver, the control signal being based on a touch location of a touch motion; and
the driver is configured to drive deformable units corresponding to the touch location to deform based on the control signal;
the driver drives the deformable units corresponding to the touch location to deform along a direction perpendicular to the plane the plurality of deformable units is placed on;
each of the plurality of deformable units includes a first electrode, a second electrode, and a piece of electrostrictive material between the first electrode and the second electrode; and
when the driver applies a voltage signal between the first electrode and the second electrode, the piece of electrostrictive material deforms in response to the voltage signal;
the first signal line is coupled to a source electrode of the first thin-film transistor, the second signal line is coupled to a gate electrode of the first thin-film transistor, the first electrode of the deformable unit is coupled to a drain electrode of the thin-film transistor, and the second electrode of a deformable unit is grounded; and
when the second signal line coupled to the thin-film transistor is applied with a voltage scanning signal, and the first signal line coupled to the thin-film transistor is applied with a voltage driving signal, the deformable unit deforms.
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Accused Products
Abstract
The present disclosure provides a tactile feedback device, including: a deformable structure, a driver coupled to the deformable structure, and a controller coupled to the driver. The deformable structure is configured to include a plurality of deformable units placed on a display panel, each of the plurality of deformable units being capable of deforming along a direction at an angle to a plane the plurality of deformable units is placed on. The controller is configured to generate and send a control signal to the driver, the control signal being based on a touch location of a touch motion. The driver is configured to drive deformable units corresponding to the touch location to deform based on the control signal.
12 Citations
13 Claims
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1. A tactile feedback device, comprising:
- a deformable structure, a driver coupled to the deformable structure, a controller coupled to the driver, a first signal line, a second signal line, and a thin-film transistor coupled to a deformable unit, wherein;
the deformable structure is configured to include a plurality of deformable units placed on a display panel, each of the plurality of deformable units being capable of deforming along a direction at an angle to a plane the plurality of deformable units is placed on;
the controller is configured to generate and send a control signal to the driver, the control signal being based on a touch location of a touch motion; and
the driver is configured to drive deformable units corresponding to the touch location to deform based on the control signal;the driver drives the deformable units corresponding to the touch location to deform along a direction perpendicular to the plane the plurality of deformable units is placed on; each of the plurality of deformable units includes a first electrode, a second electrode, and a piece of electrostrictive material between the first electrode and the second electrode; and
when the driver applies a voltage signal between the first electrode and the second electrode, the piece of electrostrictive material deforms in response to the voltage signal;the first signal line is coupled to a source electrode of the first thin-film transistor, the second signal line is coupled to a gate electrode of the first thin-film transistor, the first electrode of the deformable unit is coupled to a drain electrode of the thin-film transistor, and the second electrode of a deformable unit is grounded; and
when the second signal line coupled to the thin-film transistor is applied with a voltage scanning signal, and the first signal line coupled to the thin-film transistor is applied with a voltage driving signal, the deformable unit deforms. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
- a deformable structure, a driver coupled to the deformable structure, a controller coupled to the driver, a first signal line, a second signal line, and a thin-film transistor coupled to a deformable unit, wherein;
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9. A method for generating tactile feedback in response to a touch motion using a tactile feedback device, comprising:
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obtaining, by a controller, a touch location of a touch motion; sending, by the controller, a control signal to a driver of the tactile feedback device based on the touch location; and applying, by the driver, a voltage signal on a deformable unit based on the control signal, the deformable unit deforming in response to the voltage signal, wherein the driver drives the deformable unit corresponding to the touch location to deform along a direction perpendicular to the plane the deformable unit is placed on; the deformable unit includes a first electrode, a second electrode, and a piece of electrostrictive material between the first electrode and the second electrode; and
when the driver applies a voltage signal across the first electrode and the second electrode, the piece of electrostrictive material deforms in response to the voltage signal;the tactile feedback device includes a first signal line, a second signal line, and a thin-film transistor coupled to a deformable unit; the first signal line is coupled to a source electrode of the first thin-film transistor, the second signal line is coupled to a gate electrode of the first thin-film transistor, the first electrode of the deformable unit is coupled to a drain electrode of the thin-film transistor, and the second electrode of a deformable unit is grounded; and
when the second signal line coupled to the thin-film transistor is applied with a voltage scanning signal, and the first signal line coupled to the thin-film transistor is applied with a voltage driving signal, the deformable unit deforms. - View Dependent Claims (10, 11, 12, 13)
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Specification