Conductive Pattern Panel Antenna for Thin Devices and RF Coverage
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Solution Overview
Problem
In electronic devices, the conductive members within the housing can degrade high-bandwidth signal radiation performance and pose design challenges, such as increased risk of damage from external impacts and difficulties in mounting power feeding structures due to their size.
Innovation Solution
Implementing a conductive pattern panel with a dielectric layer, featuring first and second conductive patterns on opposite surfaces, an antenna pattern, and dummy patterns to enhance radiation performance while maintaining device thickness and design competitiveness, allowing concurrent touch input detection and wireless communication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the thickness of the conductive side member is reduced to improve radiation performance, then the radiation performance is improved, but the design competitiveness is lowered and the risk of damage due to external impact increases
Solution Approach 1:
The antenna pattern is nested within the conductive pattern panel structure, with the antenna pattern formed on the rear surface of the conductive pattern panel. This allows the antenna functionality to be integrated within the existing structural component without requiring additional thick conductive members, thus maintaining structural strength while achieving good radiation performance
Solution Approach 2:
The patent transitions from using thick conductive members in the lateral dimension to forming antenna patterns on the rear surface of the conductive pattern panel. This dimensional shift allows the antenna elements to be positioned in a different spatial plane, achieving radiation performance without compromising the structural thickness and strength of the side members
2Reliability
If the conductive member is used as a radiator of an array antenna, then the antenna gain is increased, but it becomes difficult to mount a power feeding structure due to the relatively considerable size of the power feeding structure
Solution Approach 1:
The patent merges the antenna radiator function with the conductive pattern panel structure itself. The conductive pattern panel serves both as a structural component and as the antenna radiator, eliminating the need for separate power feeding structures and reducing mounting complexity
Solution Approach 2:
The conductive pattern panel is designed to serve multiple functions: it provides structural support, maintains the device profile, and acts as the antenna radiator. This multi-functionality eliminates the need for additional dedicated antenna components and their associated power feeding structures, simplifying the overall device architecture
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 improves wireless communication coverage and reduces the electronic device's thickness by integrating the antenna pattern within the conductive pattern panel, enabling efficient RF signal transmission and reception without compromising touch input detection.
Implementation Method 1
an antenna pattern formed at least partially in the second region of the conductive pattern panel, the antenna pattern including at least one first conductive line disposed to be substantially parallel to the plurality of the first conductive members
Implementation Method 2
a dielectric layer, a first conductive pattern disposed on a first surface of the dielectric layer, and including a plurality of first conductive members comprising conductive material, and a second conductive pattern disposed on a second surface opposite to the first surface of the dielectric layer
Implementation Method 3
at least one conductive via electrically connecting the at least one first conductive line and the at least one second conductive line and passing through the dielectric layer
Data Source
AI summary
An electronic device may include a display panel, a conductive pattern panel disposed on the display panel, an antenna pattern formed in a second region of the conductive pattern panel, a first dummy pattern including a plurality of conductive lines, a wireless communication circuit electrically connected to the antenna pattern, and at least one processor electrically connected to the display panel, the conductive pattern panel, and the wireless communication circuit, and the at least one processor may be configured to receive a radio frequency (RF) signal at least by using the antenna pattern and/or the wireless communication circuit.