Capacitive sensor packaging
First Claim
1. An electronic device, comprising:
- a cover glass positioned over a first surface of the electronic device;
a display positioned below the cover glass;
a button assembly positioned adjacent to the display, the button assembly comprising;
a fingerprint sensor;
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; and
a stiffener positioned below the circuit element.
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Accused Products
Abstract
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.
123 Citations
24 Claims
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1. An electronic device, comprising:
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a cover glass positioned over a first surface of the electronic device; a display positioned below the cover glass; a button assembly positioned adjacent to the display, the button assembly comprising; a fingerprint sensor; 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; and a stiffener positioned below the circuit element. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An electronic device, comprising:
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a cover glass positioned over a first surface of the electronic device; a display positioned below the cover glass; a button assembly positioned adjacent to the display, the button assembly comprising; a fingerprint sensor; a flexible circuit element positioned below the fingerprint sensor and electrically connected to the fingerprint sensor; and a stiffener positioned below the flexible circuit element. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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Specification