Electronic device comprising antenna and printed circuit board

A conductive housing portion integrated with a flexible printed circuit board addresses the challenge of efficient antenna integration in foldable devices, ensuring robust wireless communication performance across different configurations.

WO2026014707A1PCT designated stage Publication Date: 2026-01-15SAMSUNG ELECTRONICS CO LTD
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Patent Information

Application Number
PCT/KR2025/007029
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-08-05
Filing Date
2025-05-23
Publication Date
2026-01-15

AI Technical Summary

Technical Problem

Existing electronic devices face challenges in integrating antennas and printed circuit boards efficiently, particularly in foldable designs, where flexibility and connectivity are compromised, leading to suboptimal wireless communication performance.

Method used

The integration of a conductive portion within the device's housing that functions as an antenna, coupled with a flexible printed circuit board having varying flexibilities, allows for efficient RF signal transmission and reception, even in foldable devices, by ensuring electrical connectivity and maintaining antenna functionality across different device configurations.

Benefits of technology

This design enhances wireless communication performance in foldable electronic devices by maintaining consistent RF signal transmission and reception, regardless of the device's configuration, while accommodating mechanical flexibility and structural integrity.

✦ Generated by Eureka AI based on patent content.

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  • Figure KR2025007029_15012026_PF_FP_ABST
    Figure KR2025007029_15012026_PF_FP_ABST
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Abstract

This electronic device comprises: a housing including a conductive portion and a rear cover; a wireless communication circuit; a first printed circuit board disposed in the housing; and a motor configured to provide a haptic notification, wherein the first printed circuit board includes: a first portion in which an antenna contact electrically connected to the conductive portion is disposed, which is disposed between the conductive portion and the motor, and which has first flexibility; a second portion which covers at least a portion of one surface of the motor facing the rear cover, is closer to the rear cover than the first portion of the first printed circuit board, and has second flexibility; and a third portion which extends from the first portion of the first printed circuit board to the second portion of the first printed circuit board and has third flexibility higher than the first flexibility and the second flexibility.
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Citation Information

Patent Citations

  • Multi-mode and multi-band broadband flexible printed circuit board (EPCB) mobile phone antenna

    CN202695716U

  • Locking device

    KR1020220111405A

  • A Multifunctional Anti-drowsiness Aerminal For Vehicle

    KR102695336B1

  • Flexible Printed Circuit Structures for Electronic Device Antennas

    US20210075090A1

  • KR20210133645A