Display-side antenna
Apparatus, methods, and computer-readable media for implementing a display-side antenna are disclosed herein. An example apparatus for wireless communication includes a housing and a display device supported by the housing. The example display device includes at least a glass cover and a panel positioned between the glass cover and an internal surface of the housing. The panel may be configured to output graphical content for presentment on the glass cover via pixels arranged within a visible area of the panel. The example apparatus also includes an antenna array. The antenna array may be configured to facilitate wireless communication at the apparatus. The antenna array may be positioned to overlap a portion of the visible area of the panel and configured to allow graphical content output by the panel to display on the glass cover at the overlapped portion of the visible area.
1. An apparatus for wireless communication, comprising:
a housing;
a display device supported by the housing, the display device including at least:
a transparent cover; and
a panel positioned between the cover and an internal surface of the housing, the panel configured to output graphical content for presentment on the cover via pixels arranged within a visible area of the panel; and
an antenna array configured to facilitate wireless communication at the apparatus, the antenna array positioned to overlap a portion of the visible area of the panel and configured to allow graphical content output by the panel to display on the cover at the overlapped portion of the visible area,
wherein the antenna array includes a first array of antenna elements formed on an internal surface of the cover and a second array of corresponding antenna elements formed on an external surface of the cover, wherein the antenna elements of the first array are positioned to oppose, at least in part, the corresponding antenna elements of the second array.
2. The apparatus of claim 1 , wherein the antenna array includes antenna feeds extending from the respective antennas of the antenna array, the antenna feeds configured to carry radio frequency signals to or from the respective antennas.
3. The apparatus of claim 2 , wherein the antenna feeds are coupled to a first side of a flex printed circuit (FPC), wherein a second side of the FPC is coupled to an antenna module, and wherein the FPC is configured to carry the radio frequency signals between the antenna array and the antenna module to facilitate the wireless communication.
4. The apparatus of claim 3 , wherein the FPC is bonded to the cover.
5. The apparatus of claim 3 , wherein the second side of the FPC is detachably coupled to the antenna module.
6. The apparatus of claim 3 , wherein the second side of the FPC is integrated with the antenna module.
7. The apparatus of claim 3 , wherein the antenna module is positioned between an inner surface of the housing and the panel of the display device.
8. The apparatus of claim 3 , wherein the FPC is configured to carry the radio frequency signals between the antenna array and the antenna module via a direct connection, a capacitive connection, or a slot coupled connection.
9. The apparatus of claim 2 , wherein the antenna feeds are coupled to a first side of a flex printed circuit (FPC), wherein a second side of the FPC is coupled to an RF integrated circuit, and wherein the FPC is configured to carry the radio frequency signals between the antenna array and the RF integrated circuit to facilitate the wireless communication.
10. The apparatus of claim 1 , wherein the antenna array comprises an array of Patch antennas or an array of dipole antennas.
11. The apparatus of claim 1 , wherein the apparatus comprises a wireless communication device.
12. The apparatus of claim 1 , wherein the antenna array comprises millimeter wave antenna elements.
13. The apparatus of claim 1 , wherein the antenna elements of the second array comprise electrically isolated patch elements.
14. The apparatus of claim 1 , wherein the antenna array is positioned adjacent one or more layers of material configured to provide separation between the antenna array and one or more conducting planes used by the panel to provide the output of graphical content.
15. The apparatus of claim 1 , wherein one or more antennas of the antenna array comprise a mesh geometry using non-transparent conductors.
16. An apparatus for wireless communication, comprising:
a housing;
means for presenting graphical content, the means for presenting being disposed in the housing;
means for transmitting or receiving wireless millimeter wave signals, the means for transmitting or receiving being disposed on a side of the means for presenting which is visible to a user of the apparatus; and
a flex printed circuit (FPC),
wherein a first side of the FPC is coupled to the means for transmitting or receiving,
wherein a second side of the FPC is coupled to a module, the module comprising means for electronically processing the millimeter wave signals, and
wherein the FPC is configured to carry the millimeter wave signals between the means for electronically processing and the means for transmitting or receiving to facilitate the wireless communication.
17. The apparatus of claim 16 , wherein the means for presenting comprises a transparent cover, the cover including an internal surface facing toward the internal surface of the housing and an external surface opposite the internal surface, and wherein the means for transmitting or receiving are embedded in the external surface of the cover.
18. The apparatus of claim 17 , wherein the means for transmitting or receiving comprises a conductive transparent material that is printed on the external surface of the cover.
19. The apparatus of claim 17 , wherein the means for transmitting or receiving embedded in the cover directs radiation in a direction perpendicular to an external surface of the cover.
20. The apparatus of claim 16 , wherein the means for presenting comprises a panel configured to output the graphical content and the means for transmitting or receiving are positioned within the panel.
21. The apparatus of claim 20 , wherein the means for transmitting or receiving are etched into a touch sensor layer in the panel.
22. The apparatus of claim 16 , wherein the means for presenting comprises a transparent cover and the means for transmitting or receiving are formed within the cover.
23. The apparatus of claim 22 , wherein the means for transmitting or receiving are formed within the cover using a laminate or using a transparent adhesive.
24. The apparatus of claim 16 , wherein the means for presenting comprises a transparent cover and a panel configured to output the graphical content and the means for transmitting or receiving are formed on an inner surface of the transparent cover facing the panel.
25. The apparatus of claim 16 , wherein the means for presenting comprises a transparent cover, and the means for transmitting or receiving includes antenna feeds extending through respective vias in the transparent cover, the antenna feeds configured to carry radio frequency signals.
26. The apparatus of claim 16 , the module being disposed within the housing between the means for presenting and a top or bottom housing portion.
27. The apparatus of claim 16 , wherein the module comprises an array of antennas configured to provide directional radiation coverage from a top, side, or bottom portion of the housing.
28. The apparatus of claim 27 , wherein the array of antennas comprises a first linear array of antennas, and wherein the means for transmitting or receiving comprises a second linear array of antennas.