TRANSPARENT ANTENNA AND TOUCH DISPLAY ON A WEARABLE DEVICE
The disclosed devices and systems may include transparent antennas and touch displays that may be included in wearable devices. An example wearable device may include a display module including a display stack, the display stack including a display cover layer, an antenna layer, and a display layer, wherein the antenna layer (1) is positioned between the display cover layer and the display layer, and (2) includes at least one antenna element. Various other systems and devices are disclosed.
1 . A system comprising:
a display cover layer; and
a transparent antenna film layer that comprises a film layer comprising at least one antenna,
wherein the transparent antenna film layer is positioned between the display cover layer and at least one display layer.
2 . The system of claim 1 , wherein the transparent antenna film layer comprises a printed transparent conductive material.
3 . The system of claim 1 , wherein the transparent antenna film layer comprises a meshed metal.
4 . The system of claim 3 , wherein the meshed metal has a pitch of up to 60 μm.
5 . The system of claim 3 , wherein the meshed metal has a pitch of at least 60 μm.
6 . The system of claim 3 , wherein the meshed metal has a pitch of at least 120 μm.
7 . The system of claim 1 , further comprising an adhesive layer and a substrate layer, wherein the transparent antenna film layer is disposed on top of the adhesive layer, which is disposed on top of the substrate layer.
8 . The system of claim 1 , further comprising a multi-layer flex that connects a radio frequency (RF) signal from an RF integrated circuit to the transparent antenna film layer.
9 . The system of claim 1 , wherein the transparent antenna film layer comprises a multiple input multiple output (MIMO) antenna configuration.
10 . A system comprising:
a conductive touch sensor layer comprising a plurality of touch sensor elements;
a substrate layer; and
a conductive antenna layer comprising at least one radiating antenna trace,
wherein the substrate layer separates the conductive touch sensor layer from the conductive antenna layer, and
wherein the at least one radiating antenna trace of the conductive antenna layer is routed between the plurality of touch sensor elements.
11 . The system of claim 10 , further comprising a flex printed circuit to which at least a portion of the substrate layer is bound.
12 . The system of claim 11 , wherein the flex printed circuit electrically connects the conductive touch layer to a touch sensing integrated circuit.
13 . The system of claim 11 , wherein the flex printed circuit electrically connects the conductive antenna layer to a radio frequency integrated circuit.
14 . The system of claim 10 , wherein the radiating antenna traces of the conductive antenna layer are disposed within one or more gaps between touch sensor elements.
15 . The system of claim 10 , wherein the radiating antenna traces of the conductive antenna layer are disposed in a fish bone pattern in one or more gaps between touch sensor elements.
16 . The system of claim 10 , wherein the conductive antenna layer comprises a multiple input multiple output (MIMO) antenna configuration.
17 . A system comprising:
a display module included in a wearable device, the display module comprising a display stack, the display stack comprising a display cover layer and a display layer;
an antenna layer embedded in the display module of the wearable device and positioned between the display cover layer and the display layer, the antenna layer comprising at least one antenna.
18 . The system of claim 17 , wherein the antenna layer comprises a transparent antenna film layer comprising at least one antenna formed of a printed transparent conductive material.
19 . The system of claim 18 , wherein the printed transparent conductive material comprises a meshed metal, a mesh of the meshed metal having a predetermined pitch that renders the transparent antenna layer at least partially transparent to light produced by the display layer.
20 . The system of claim 17 , wherein:
the antenna layer comprises at least one radiating antenna trace; and
the display layer comprises a conductive touch sensor layer comprising a plurality of touch sensor elements;
wherein the at least one radiating antenna trace is routed between the plurality of touch sensor elements.