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Samsung · Antenna & radio · Filed Dec 30, 2025 · USPTO published Jun 25, 2026 · Jun 25 release

Samsung Patents Signal-Sending Pads Built Into a Device's Internal Frame

Samsung wants to turn a device's internal skeleton into part of its antenna system, hiding signal-sending patches inside the structural frame rather than dedicating separate space to them.

By · Updated · 3 min read

Samsung Patent: Circular Polarization Antenna in Device Frame, figure from US 2026/0180203 A1
Figure from the official USPTO publication.
Publication number
US 2026/0180203 A1(US20260180203A1)
Applicant
SAMSUNG ELECTRONICS CO., LTD.
Filed · Published
Dec 30, 2025 · Jun 25, 2026
Inventors
Sumin YUN, Hosaeng KIM, Seongjin PARK, Hyungjoo LEE
Status when we published
Waiting for an examiner
Document
17 claims
US classification
343/702
Parent application
Continuation of PCT/KR2024/009132 (filed Jun 28, 2024)(PCTKR2024009132)

What Samsung's frame-embedded antenna actually does

Imagine the rigid internal frame that holds your phone or tablet together. Right now that frame is mostly just structural, keeping the screen and back panel from flexing. Samsung's patent proposes putting small antenna patches directly on the side of that frame, so it does double duty: holding the device together and sending and receiving wireless signals.

The patches are designed to work with a specific type of signal called circular polarization, which spins as it travels through the air. That spin makes the signal more reliable when you tilt or rotate your device, since the antenna can pick it up from multiple angles instead of needing to be perfectly aligned.

The frame connects to the main circuit board and to a metal layer on either the top or bottom face of the device, which helps the whole setup function as a proper antenna system. The idea is to free up internal space that would otherwise be taken up by a standalone antenna component.

How the conductive patches sit inside the support structure

The patent describes a device built around a support member (essentially an internal structural bracket) that has three sections: a top face, a bottom face, and a side wall running between them. The side wall is where the action happens.

A set of conductive patches (small, flat metal elements) are placed on the surface of that side wall. Each patch is wired to the device's wireless communication circuit on the main PCB. Together, the patches form an antenna array that handles wireless transmit and receive functions.

The key design choice is circular polarization (a signal whose electromagnetic field rotates in a corkscrew pattern as it travels). Compared to linear polarization, circular polarization is less sensitive to the physical orientation of the device, which matters for devices that get tilted, flipped, or held in unpredictable ways.

The support member's top or bottom face is bonded to a metal layer, which acts as a ground plane or reflector to help shape and direct the antenna's signal. The whole arrangement keeps the antenna integrated into existing structural material rather than adding a separate antenna module.

What this means for compact wireless device design

Fitting better antennas into smaller devices is a constant engineering problem, and this approach is a practical answer to it. By placing antenna patches on the internal frame's side wall, Samsung could recover interior space in thin phones, tablets, or wearables that currently has to be reserved for discrete antenna components.

The circular polarization design is particularly relevant for devices that move around a lot, like wearables or handheld gadgets, where signal orientation relative to a base station changes constantly. If Samsung applies this in future Galaxy devices, users could see more consistent wireless performance without the device needing to grow any thicker.

Source: US 2026/0180203 A1 at the USPTO (PDF). Full patent text and figures are in the official publication.

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