Systems and Methods for Sensing Fingerprints Through a Display
First Claim
Patent Images
1. A fingerprint swipe sensor, comprising:
- a plurality of fingerprint sensor lines disposed on a first surface of an LCD (Liquid Crystal Display) covered on an opposite surface with motion sensing lines; and
a controller coupled to the fingerprint sensor lines to capture a fingerprint image when a user'"'"'s finger is swiped about the fingerprint sensor lines.
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Abstract
A fingerprint swipe sensor includes multiple fingerprint sensor lines disposed on a surface of an LCD covered on an opposite surface with motion sensing lines. The fingerprint swipe sensor also includes a controller coupled to the fingerprint sensor lines to capture a fingerprint image when a user'"'"'s finger is swiped about the fingerprint sensor lines.
156 Citations
16 Claims
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1. A fingerprint swipe sensor, comprising:
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a plurality of fingerprint sensor lines disposed on a first surface of an LCD (Liquid Crystal Display) covered on an opposite surface with motion sensing lines; and a controller coupled to the fingerprint sensor lines to capture a fingerprint image when a user'"'"'s finger is swiped about the fingerprint sensor lines. - View Dependent Claims (2, 3, 4)
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5. A Liquid Crystal Display (LCD) screen having a fingerprint swipe sensor, the LCD screen comprising:
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an LCD module configured to produce a visible display; a motion sensor circuit located on a first surface of the LCD module; a protective layer located above the motion sensor circuit and configured to durably receive a user'"'"'s finger surface; fingerprint sensor lines disposed on a second surface of the LCD module, wherein the second surface of the LCD module is opposite the first surface of the LCD module; and a controller coupled to the fingerprint sensor lines to capture a fingerprint image when a user'"'"'s fingerprint is swiped about the sensor lines. - View Dependent Claims (6, 7, 8, 9)
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10. A method of assembling an LCD display device having motion circuitry and fingerprint sensor circuitry, the method comprising:
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providing a printed circuit board; mounting an LCD controller on the printed circuit board; mounting an LCD module above the printed circuit board; applying motion sensor circuitry onto a first side of the LCD module; applying a mask layer onto the first side of the LCD module; and applying fingerprint sensor circuitry on a second side of the LCD module, wherein the second side of the LCD module is opposite the first side of the LCD module. - View Dependent Claims (11, 12, 13, 14, 15, 16)
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Specification