Fingerprint sensor and integratable electronic display
View Patent ↗A fingerprint sensor which includes a conductive layer which is incorporatable within an electronic display is disclosed. The fingerprint sensor also includes a controller coupled to the conductive layer to capture a fingerprint image and can further be adapted to control the display.
1. An integrated sensor device, comprising:
a substrate;
touch sensitive circuitry comprising a first plurality of conductive lines formed on the substrate; and
fingerprint sensor circuitry comprising a second plurality of conductive lines formed on the substrate;
wherein the touch sensitive circuitry and the fingerprint sensor circuitry employ capacitive sensing.
2. The integrated sensor device of claim 1 , wherein the touch sensitive circuitry occupies a first area of the substrate, and wherein the fingerprint sensor circuitry occupies a second area of the substrate that is smaller than the first area of the substrate.
3. The integrated sensor device of claim 1 , wherein the substrate comprises one or more layers of a display of the integrated sensor device.
4. The integrated sensor device of claim 3 , wherein the substrate comprises a protective shield or coating for the display.
5. The integrated sensor device of claim 3 , wherein the substrate further comprises a film, the film being attached to a protective shield or coating for the display by an adhesive layer.
6. The integrated sensor device of claim 3 , wherein the display is a liquid crystal display.
7. The integrated sensor device of claim 1 , wherein the substrate is separate from and disposed above a display of the integrated sensor device.
8. The integrated sensor device of claim 1 , wherein the touch sensitive circuitry is configured to detect touch input, and wherein the fingerprint sensor circuitry is configured to capture a fingerprint image.
9. The integrated sensor device of claim 1 , further comprising:
a single integrated circuit (IC) configured to drive both the touch sensitive circuitry and the fingerprint sensor circuitry.
10. An integrated sensor device, comprising:
a substrate comprising one or more layers of a liquid crystal display;
capacitive touch screen circuitry configured to detect touch input, wherein the capacitive touch screen circuitry comprises a first plurality of conductive lines formed on the substrate, wherein the first plurality of conductive lines occupies a first area of the substrate; and
capacitive fingerprint sensor circuitry configured to capture an image of a fingerprint, wherein the capacitive fingerprint sensor circuitry comprises a second plurality of conductive lines formed on the substrate, wherein the second plurality of conductive lines occupies a second area of the substrate that is smaller than the first area of the substrate.
11. The integrated sensor device of claim 10 , further comprising:
a single integrated circuit (IC) configured to drive both the touch screen circuitry and the fingerprint sensor circuitry.
12. A method of making an integrated sensor device, the method comprising:
providing a substrate;
forming touch sensitive circuitry comprising a first plurality of conductive lines on the substrate; and
forming fingerprint sensor circuitry comprising a second plurality of conductive lines on the substrate;
wherein the touch sensitive circuitry and the fingerprint sensor circuitry employ capacitive sensing.
13. The method of claim 12 , wherein the touch sensitive circuitry occupies a first area of the substrate, and wherein the fingerprint sensor circuitry occupies a second area of the substrate that is smaller than the first area of the substrate.
14. The method of claim 12 , wherein the substrate comprises one or more layers of a display of the integrated sensor device.
15. The method of claim 14 , wherein the display is a liquid crystal display.
16. The method of claim 12 , wherein the substrate is separate from and disposed above a display of the integrated sensor device.
17. The method of claim 12 , wherein the touch sensitive circuitry is configured to detect touch input, and wherein the fingerprint sensor circuitry is configured to capture a fingerprint image.
18. The method of claim 12 , further comprising:
providing a single integrated circuit (IC) configured to drive both the touch sensitive circuitry and the fingerprint sensor circuitry.
19. An integrated sensor device, comprising:
a substrate;
touch sensitive circuitry comprising a first plurality of conductive lines formed on the substrate; and
fingerprint sensor circuitry comprising a second plurality of conductive lines formed on the substrate;
wherein the touch sensitive circuitry occupies a first area of the substrate, and wherein the fingerprint sensor circuitry occupies a second area of the substrate that is smaller than the first area of the substrate.
20. The integrated sensor device of claim 19 , wherein the touch sensitive circuitry and the fingerprint sensor circuitry employ capacitive sensing.
21. The integrated sensor device of claim 19 , wherein the substrate comprises one or more layers of a display of the integrated sensor device.
22. The integrated sensor device of claim 21 , wherein the substrate comprises a protective shield or coating for the display.
23. The integrated sensor device of claim 21 , wherein the substrate further comprises a film, the film being attached to a protective shield or coating for the display by an adhesive layer.
24. The integrated sensor device of claim 21 , wherein the display is a liquid crystal display.
25. The integrated sensor device of claim 19 , wherein the substrate is separate from and disposed above a display of the integrated sensor device.
26. The integrated sensor device of claim 19 , wherein the touch sensitive circuitry is configured to detect touch input, and wherein the fingerprint sensor circuitry is configured to capture a fingerprint image.
27. The integrated sensor device of claim 19 , further comprising:
a single integrated circuit (IC) configured to drive both the touch sensitive circuitry and the fingerprint sensor circuitry.
28. A method of making an integrated sensor device, the method comprising:
providing a substrate;
forming touch sensitive circuitry comprising a first plurality of conductive lines on the substrate; and
forming fingerprint sensor circuitry comprising a second plurality of conductive lines on the substrate;
wherein the touch sensitive circuitry occupies a first area of the substrate, and wherein the fingerprint sensor circuitry occupies a second area of the substrate that is smaller than the first area of the substrate.
29. The method of claim 28 , wherein the touch sensitive circuitry and the fingerprint sensor circuitry employ capacitive sensing.
30. The method of claim 28 , wherein the substrate comprises one or more layers of a display of the integrated sensor device.
31. The method of claim 30 , wherein the display is a liquid crystal display.
32. The method of claim 28 , wherein the substrate is separate from and disposed above a display of the integrated sensor device.
33. The method of claim 28 , wherein the touch sensitive circuitry is configured to detect touch input, and wherein the fingerprint sensor circuitry is configured to capture a fingerprint image.
34. The method of claim 28 , further comprising:
providing a single integrated circuit (IC) configured to drive both the touch sensitive circuitry and the fingerprint sensor circuitry.