Apparatus and method to realize dynamic haptic feedback on a surface
OwnerJiuzhi Xueinventor
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Abstract
A haptic device including a first electrode including a first sub-electrode configured to receive a first voltage, and a second sub-electrode configured to receive a second voltage, a second electrode overlapping with the first electrode, and a deformable layer located between the first and second electrodes and configured to deform in response to the applied first and second voltages, and to change a relative position of at least one of the first and second sub-electrodes with respect to the second electrode, wherein the first and second voltages are in reference to the second electrode.
Claims22
A haptic device comprising:
- a first electrode comprising a first sub-electrode configured to receive a first voltage, and a second sub-electrode configured to receive a second voltage;
- a second electrode overlapping with the first electrode;
- and
- a deformable layer located between the first and second electrodes and configured to deform in response to the applied first and second voltages, and to change a relative position of at least one of the first and second sub-electrodes with respect to the second electrode,
- wherein the first and second voltages are in reference to the second electrode.
A haptic surface device comprising:
- a plurality of first electrodes extending in a first direction;
- a plurality of second electrodes extending in a second direction crossing the first direction;
- a deformable layer located between the first and second electrodes;
- and
- a plurality of addressable haptic cells, a haptic cell of the plurality of addressable haptic cells formed at an overlap region of a first electrode of the plurality of first electrodes and a second electrode of the plurality of second electrodes, the first electrode comprising a first sub-electrode and a second sub-electrode, the haptic cell comprising:
- a first feature of the first sub-electrode configured to receive a first voltage;
- and
- a second feature of the second sub-electrode configured to receive a second voltage,
- wherein the first and second feature are interlocked and extend in generally a same direction,
- wherein the deformable layer is configured to deform in response to the applied first and second voltages, and to change a relative position of at least one of the first and second features with respect to the second electrode.
An electronic device providing haptic feedback to a user in response to a user touch event, the electronic device comprising:
- a touch sensor configured to detect the user touch event;
- a haptic device on the touch sensor, the haptic device comprising:
- a first electrode comprising a first sub-electrode configured to receive a first voltage, and a second sub-electrode configured to receive a second voltage;
- a second electrode overlapping with the first electrode;
- and
- a deformable layer located between the first and second electrodes and configured to deform in response to the applied first and second voltages, and to change a relative position of at least one of the first and second sub-electrodes with respect to the second electrode,
- wherein the first and second voltages are in reference to the second electrode;
- and
- a controller coupled to the haptic device and configured to selectively apply the first and second voltages based on the detected the user touch event.
Dependencies are inferred from the claim text.