Touch sensor and integrated antenna integrated film
A disclosed apparatus may include at least one touch sensor and an integrated film that includes at least one antenna, wherein the integrated film is at least partially disposed on the at least one touch sensor such that the at least one touch sensor operates as a radiating element for the at least one antenna. Various other apparatuses, systems, and methods are also disclosed.
1. An apparatus comprising:
at least one touch sensor;
an integrated film that includes at least one antenna; and
a capacitor in series between the at least one antenna and a radio frequency integrated circuit,
wherein:
the integrated film is at least partially disposed on the at least one touch sensor, such that the at least one touch sensor operates as a radiating element for the at least one antenna;
an antenna feed line's resistance between the at least one antenna and a touch panel integrated circuit is at least 300Ω; and
the at least one touch sensor and the touch panel integrated circuit are electrically connected without an in-series inductor.
2. The apparatus of claim 1 , wherein the at least one touch sensor and the integrated film that includes the at least one antenna are formed on a common substrate.
3. The apparatus of claim 2 , wherein the at least one antenna and the at least one touch sensor are formed within a common plane of the common substrate.
4. The apparatus of claim 1 , wherein the at least one touch sensor operates as both a touch sensor and a radiating element for the at least one antenna.
5. The apparatus of claim 1 , wherein the at least one touch sensor and the at least one antenna are formed using a transparent conductive material.
6. The apparatus of claim 5 , wherein a measurement of sheet resistance of the transparent conductive material is between 10 to 200 Ω/sq.
7. The apparatus of claim 5 , wherein the transparent conductive material comprises a mesh metal.
8. The apparatus of claim 1 , wherein the at least one touch sensor and the integrated film each include a slot cutout in at least a portion thereof.
9. A system comprising:
at least one touch sensor disposed on a face of a smart watch, the smart watch further comprising a touch panel integrated circuit electrically coupled to the at least one touch sensor without an in-series inductor;
an integrated film disposed at least partially on the at least one touch sensor, the integrated film comprising at least one antenna; and
an antenna feed line coupled to the at least one antenna and a radio frequency integrated circuit included in the smart watch,
wherein:
the at least one touch sensor operates as a radiating element for the at least one antenna; and
a resistance between the at least one antenna and the touch panel integrated circuit is at least 300Ω.
10. The system of claim 9 , wherein:
the at least one touch sensor comprises a touch pattern; and
the at least one touch sensor operates as the radiating element for the at least one antenna via the touch pattern.
11. The system of claim 9 , wherein the at least one touch sensor and the at least one antenna are formed using a transparent conductive material.
12. The system of claim 11 , wherein a measurement of sheet resistance of the transparent conductive material is between 10 to 200 Ω/Sq.
13. The system of claim 11 , wherein the transparent conductive material comprises mesh metal.
14. The system of claim 9 , wherein the at least one touch sensor and the integrated film that includes the at least one antenna are formed on a common substrate.
15. The system of claim 14 , wherein the at least one antenna and the at least one touch sensor are formed within a common plane of the common substrate.
16. The system of claim 9 , wherein the at least one touch sensor operates as both a touch sensor and a radiating element for the at least one antenna.
17. A method comprising:
disposing, on at least part of at least one touch sensor, an integrated film that includes at least one antenna; and
electrically connecting the at least one touch sensor to a touch panel integrated circuit without an in-series inductor,
wherein:
the at least one touch sensor operates as a radiating element for the at least one antenna;
a capacitor is in series between the at least one antenna and a radio frequency integrated circuit (RFIC); and
an antenna feed line's resistance between the at least one antenna and a touch panel integrated circuit is at least 300Ω.
18. The method of claim 17 , wherein disposing the integrated film on at least part of the at least one touch sensor comprises forming the at least one touch sensor and the integrated film from a common substrate.
19. The method of claim 18 , wherein forming the at least one touch sensor and the integrated film on the common substrate comprises forming the at least one antenna and the at least one touch sensor within a common plane of the common substrate.
20. The method of claim 17 , wherein the at least one touch sensor and the at least one antenna are formed using a transparent conductive material.