An apparatus comprises a fingerprint sensor having a set of capacitive elements configured for capacitively coupling to a user fingerprint. The fingerprint sensor may be disposed under a control button or display element of an electronic device, for example one or more of a control button and a disp
An apparatus comprises a fingerprint sensor having a set of capacitive elements configured for capacitively coupling to a user fingerprint. The fingerprint sensor may be disposed under a control button or display element of an electronic device, for example one or more of a control button and a display component. A responsive element is responsive to proximity of the user fingerprint, for example one or both of a first circuit responsive to motion of the control button, and a second circuit responsive to a coupling between the fingerprint and a surface of the display element. The fingerprint sensor is disposed closer to the fingerprint than the responsive element. The control button or display component may include an anisotropic dielectric material, for example sapphire.
대표청구항▼
1. An electronic device, comprising: a display element;a fingerprint sensor adjacent the display element;a first rigid substrate positioned below the fingerprint sensor;a circuit element positioned below the first rigid substrate and electrically connected to the fingerprint sensor; anda stiffener p
1. An electronic device, comprising: a display element;a fingerprint sensor adjacent the display element;a first rigid substrate positioned below the fingerprint sensor;a circuit element positioned below the first rigid substrate and electrically connected to the fingerprint sensor; anda stiffener positioned below the circuit element. 2. The electronic device of claim 1, wherein the fingerprint sensor is disposed below the display element. 3. The electronic device of claim 1, further comprising a cover element positioned over the fingerprint sensor. 4. The electronic device of claim 3, wherein the cover element is formed with an anisotropic dielectric material. 5. The electronic device of claim 3, further comprising a switch element positioned below the stiffener, the switch element and the fingerprint sensor positioned with respect to the cover element such that the electronic device receives fingerprint information when a finger contacts the cover element and the electronic device receives button-push information when the cover element is pressed. 6. The electronic device of claim 5, wherein the switch element comprises a dome switch. 7. The electronic device of claim 1, wherein the fingerprint sensor comprises a capacitive fingerprint sensor. 8. The electronic device of claim 7, further comprising a ring surrounding the capacitive fingerprint sensor. 9. An electronic device, comprising: a fingerprint sensor;a first circuit element positioned below the fingerprint sensor and electrically connected to the fingerprint sensor;a second circuit element positioned below the first circuit element; anda stiffener positioned below the second circuit element. 10. The electronic device of claim 9, wherein the second circuit element is electrically connected to the first circuit element. 11. The electronic device of claim 9, further comprising a rigid substrate positioned between the first circuit element and the second circuit element. 12. The electronic device of claim 9, wherein the fingerprint sensor, the first circuit element, the second circuit element, and the stiffener are included in a button assembly. 13. The electronic device of claim 12, further comprising a cover element disposed over the fingerprint sensor. 14. The electronic device of claim 13, wherein the cover element comprises an anisotropic dielectric material. 15. The electronic device of claim 13, further comprising a switch element positioned below the stiffener. 16. The electronic device of claim 15, wherein the switch element and the fingerprint sensor positioned with respect to the cover element such that the electronic device receives fingerprint information when a finger contacts the cover element and the electronic device receives button-push information when the cover element is pressed. 17. The electronic device of claim 15, wherein the switch element comprises a dome switch that is electrically connected to the second circuit element. 18. The electronic device of claim 9, wherein the fingerprint sensor comprises a capacitive fingerprint sensor. 19. An electronic device comprising: a fingerprint sensor;a first circuit element positioned below the fingerprint sensor and electrically connected to the fingerprint sensor;a stiffener positioned below the first circuit element;a second circuit element positioned below the stiffener; anda switch element positioned below the second circuit element and electrically connected to the second circuit element. 20. The electronic device of claim 19, wherein the fingerprint sensor, the first circuit element, the stiffener, and the second circuit element are included in a button assembly. 21. The electronic device of claim 19, wherein the second circuit element comprises a flexible circuit.
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