This disclosure includes, and results in the creation of, a printed carbon nanotube and/or graphene hybrid antenna and/or EMI shield, comprised of a conductive layer that comprises a metal mesh (MM) layer or a nanowire layer on a substrate, with a printed Signal Enhancement Layer (SEL) on the conductive layer. The SEL includes an ink that includes one or both of carbon nanotube (CNT) and graphene. The circuit pattern results after the “exposed” conductive layer (i.e., the regions where the CNT/graphene ink is not printed) is removed via chemical etching or mechanical cutting. The structure (the antenna/EMI shield) is preferably but not necessarily transparent.

In aspects of a small cell installation structure, a support structure provides stability and an attachable framework to mount wireless technology equipment. A formable aesthetic housing is formed around the support structure, and a hardened polymer coating over the formable aesthetic housing is adapted to a shape of the formable aesthetic housing and the support structure. The hardened polymer coating resists environmental conditions that may otherwise interfere with performance of the wireless technology equipment. Additionally, an antenna housing module encloses antennas of the wireless technology equipment, is integrated with the support structure, and is designed to pass millimeter wave (mmW) spectrum wireless signals.

A communications node includes an apparel item in the form of a backpack attachment that includes a panel, first and second arms extending therefrom. An antenna element and A/V hub may be affixed to an arm. The attachment may include a communications device and battery. A control circuit may be communicatively coupled to the antenna element, the A/V hub, the communications device, and the battery. The A/V hub may demountably and communicatively couple to an audio/video source. The control circuit may establish a mesh network with computing devices. The antenna element may include a graphene polymer conductive composition. The graphene may form a three-dimensional percolated network within the polymer matrix. The apparel item may include a multilayered material that reflect RF radiation generated by the antenna element away from the apparel item. The layer may include a conductive material. The layer may include a foam.

A polymer composition comprising a dielectric material distributed within a polymer matrix is provided. The dielectric material has a volume resistivity of from about 0.1 ohm-cm to about 1 × 10.sup.12 ohm-cm. wherein the polymer matrix contains at least one thermotropic liquid crystalline polymer, and further wherein the polymer composition exhibits a dielectric constant of about 4 or more and a dissipation factor of about 0.3 or less, as determined at a frequency of 2 GHz.

Various graphene-based photodetectors are disclosed. An example photodetector device may include: a substrate; a first antenna component fabricated on the substrate, the first antenna component comprising one or more antenna electrodes; a second antenna component fabricated on the substrate, the second antenna component comprising one or more antenna electrodes; a source region coupled to the first antenna component and the substrate; and a drain region coupled to the second antenna component and the substrate; wherein the one or more antenna electrodes in the first antenna component and the second antenna component are made of graphene.

Disclosed herein is a receiver device for facilitating transaction of energy wirelessly received by the receiver device, in accordance with some embodiments. Accordingly, the receiver device comprises a receiver transceiver. Further, the energy comprises terahertz electromagnetic wave energy. Further, a receiver enclosure of the receiver transceiver stores the terahertz electromagnetic wave energy and converts the terahertz electromagnetic wave energy into electrical energy. Further, the receiver transceiver transmits a registration request to the transmitter device and transmits the electrical energy associated with an energy asset to an electrical load. Further, the receiver device generates the energy asset, accesses a second distributed block-chain, and creates an entry for a transaction of the energy asset in the second distributed block-chain. Further, the transmitter device analyzes the registration request, accesses a distributed block-chain, authenticates the receiver device, and transmits the energy wirelessly to the receiver transceiver.

A communications node includes an apparel item in the form of a harness that includes a primary portion. A halo element extends from the primary portion and is configured to be worn about the neck. A fastener that demountably couples the primary portion to the halo element. An antenna element positioned within the apparel item. An A/V hub is affixed to the halo portion and configured to receive audio/video input. The apparel item also includes a communications device and battery. A control circuit is communicatively coupled to the antenna element, the A/V hub, the communications device, and the battery. The A/V hub demountably and communicatively couples to an audio/video source. The control circuit is configured to establish a self-organizing WAN with computing devices that connect directly, dynamically, and non-hierarchically to the WAN. The antenna elements include a graphene polymer conductive composition. The apparel item is multilayered and reflects RF radiation.

A manufacturing process of a rear window for vehicles including the following steps: provision of a glass plate with an external side suitable for being directed towards the exterior of the vehicle and an internal side suitable for being directed towards the interior of the vehicle; application of a heater on the internal side of the glass plate, the heater having two bus bars that are electrically connected to a positive pole and to a negative pole of a battery of the vehicle, respectively, and a plurality of horizontal heating lines that connect the bus bars; and application of antenna traces on the internal side of the glass plate, wherein the antenna traces have strips of transparent nanowires made of conductive material. The application of the antenna traces is made by spray-coating on the internal side of the glass plate.

Wearable antenna systems in the form of suspenders are disclosed. Such communications suspenders employ antenna elements having a reduced visual signature while maintaining the load bearing functionality of traditional suspenders. The antenna system communicatively couples to portable radios that operate on different RF frequencies via a communications hub. Some of the antennas elements are dynamically positionable (i.e., swappable, switchable, etc.) on the communications suspenders. A plurality of straps are pivotably coupled to an intermediate portion at one end and a demountable fastener at the other end. The demountable fasteners couple to the user's garment item (e.g., trousers, shorts, skirts, and similar articles). The straps include RF shielding material positioned to reflect RF radiation that emanates from the antenna elements away from the user. The antenna elements are formed using a conductive composition of fully exfoliated graphene sheets present as a percolated network in a polymer matrix.

A display module configured to improve transmission and reception performance of an electronic device includes: a first panel; a second panel disposed to be opposite to the first panel; and an antenna layer disposed between the first panel and the second panel, and comprising a resin layer formed by an imprinting method, wherein the resin layer includes: an engraved pattern formed in one surface; and an ink layer formed with a conductive material filled in the engraved pattern.