Foldable Antenna Frame Layout With Split ESD Conductor
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Antenna radiation performance is deteriorated due to interference between a conductive member and a metal frame used as an antenna radiator in flexible or foldable electronic devices, leading to potential performance degradation of the display due to electrostatic discharge.
Innovation Solution
Incorporating a split portion in the conductive member adjacent to the display, which includes conductive and non-conductive portions, to provide a discharge path and reduce electrostatic discharge effects, thereby minimizing interference with the antenna radiation performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conductive member is provided adjacent to the display to prevent electrostatic discharge, then display protection is improved, but antenna radiation performance is deteriorated due to interference with the metal frame
Solution Approach 1:
The conductive member is divided into multiple conductive portions separated by non-conductive portions. This segmentation reduces the continuous conductive path that causes interference with the antenna radiator (metal frame), thereby improving antenna radiation performance while maintaining electrostatic discharge protection functionality through the distributed conductive portions
Solution Approach 2:
Different portions of the housing edge are assigned different electrical properties (conductive or non-conductive) based on their specific functional requirements. Conductive portions provide electrostatic discharge protection, while non-conductive portions reduce interference with the antenna. This localized differentiation allows simultaneous optimization of both display protection and antenna performance
2Reliability
If a continuous conductive member is used for electrostatic discharge protection, then display protection is improved, but interference with the antenna radiator increases
Solution Approach 1:
The continuous conductive member is segmented into discrete conductive portions separated by non-conductive portions. This segmentation maintains electrostatic discharge protection capability through the distributed conductive elements while reducing the continuous conductive path that causes harmful interference with the antenna radiator
Solution Approach 2:
Non-conductive portions are introduced as intermediary elements between conductive portions. These intermediaries break the continuous conductive path that causes interference with the antenna, while the distributed conductive portions continue to provide electrostatic discharge protection through alternative discharge paths
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution effectively suppresses antenna radiation performance deterioration and protects the display from electrostatic discharge, enhancing overall device functionality.
Implementation Method 1
A conductive member may be provided at a position adjacent to the display in order to prevent/reduce performance degradation of the display due to electrostatic discharge
Implementation Method 2
the wireless communication circuit may perform wireless communication by feeding power to at least a portion of the metal frame
Data Source
AI summary
An electronic device according to an embodiment may include: a first housing including a first edge oriented in a first direction and a second edge oriented in a second direction perpendicular to the first direction; a second housing rotatably connected to the first housing, wherein the second housing includes a third edge corresponding to the first edge and a fourth edge corresponding to the second edge when the first housing and the second housing face each other; a flexible display defining a front surface of the electronic device and disposed over the first housing and the second housing; a dielectric material at least partially disposed between the flexible display and the fourth edge of the second housing and at least partially surrounding a perimeter of the flexible display; a conductive member comprising a conductive material located between the dielectric material and the flexible display; and a wireless communication circuit disposed within the first housing or the second housing, wherein the fourth edge may include a first conductive portion, a first non-conductive portion, a second conductive portion, a second non-conductive portion, and a third conductive portion, the conductive member may include a first split portion and a second split portion corresponding to the first non-conductive portion and the second non-conductive portion of the fourth edge of the second housing, respectively, and the wireless communication circuit may be configured to transmit and/or receive a radio signal using at least one of the first conductive portion, the second conductive portion, or the third conductive portion of the second housing.