Flexible Antenna Structure for 5G Device Space Optimization
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The increasing number of antennas in 5G devices, including both mm-Wave and non-mm-Wave antennas, poses challenges in compact design and space utilization within limited spaces, particularly in mobile phones with arc-shaped designs, leading to difficulties in achieving efficient antenna placement and reducing overall size and cost.
Innovation Solution
A flexible antenna structure that integrates mm-Wave and non-mm-Wave antennas on a single flexible printed circuit board, allowing for conformal design with the device's shell, reducing mutual interference, and optimizing space utilization through strategic placement and grounding of conductive layers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If multiple discrete antennas (mm-Wave and non-mm-Wave) are integrated into the same module, then the number of antennas is increased to meet 5G requirements, but the device thickness and overall size increase, compromising visual appearance and grip comfort
Solution Approach 1:
The patent combines multiple discrete antennas (mm-Wave and non-mm-Wave antennas) into a single integrated antenna module. This merging approach allows multiple antenna functions to coexist in one compact structure, increasing the number of antennas without proportionally increasing device thickness. The integrated module uses shared components and optimized spatial arrangement to achieve high antenna density while maintaining thin profile.
Solution Approach 2:
The patent transitions from planar antenna arrangements to three-dimensional spatial configuration within the antenna module. By utilizing vertical stacking and multi-layer PCB structures, the design accommodates multiple antennas in the Z-dimension (thickness direction) rather than only expanding in the X-Y plane. This dimensional transition enables compact integration of multiple antennas while controlling overall device thickness through optimized layer distribution.
2Quantity of substance
If multiple discrete antennas are placed in limited internal space, then communication requirements are met, but space utilization rate decreases and antenna placement becomes difficult
Solution Approach 1:
The patent segments the antenna system into distinct functional modules within the integrated antenna structure. Each antenna type (mm-Wave and non-mm-Wave) is assigned to specific regions or layers within the module, with dedicated feed networks and grounding structures. This segmentation reduces interference between different antenna types and simplifies the placement process by providing clear spatial zones for each antenna function.
Solution Approach 2:
The integrated antenna module employs universal structural elements that serve multiple antenna functions simultaneously. Shared components such as the substrate, grounding layers, and portions of the feed network are designed to support both mm-Wave and non-mm-Wave antennas. This multi-functionality reduces the overall component count and simplifies placement complexity by eliminating the need for completely separate mounting structures for different antenna types.
3Shape
If arc-shaped shell design is used to achieve thinner visual thickness and better appearance, then aesthetic requirements are met, but conformal antenna placement becomes challenging
Solution Approach 1:
The patent employs flexible antenna structures that can conform to arc-shaped shell designs. The antenna module uses flexible printed circuit board (PCB) technology and bendable substrate materials that allow the antenna assembly to adapt to curved surfaces. This flexibility enables the antenna module to be installed on arc-shaped shells without requiring complex custom-shaped antenna elements, maintaining both aesthetic design and manufacturing ease.
Solution Approach 2:
The antenna module incorporates dynamic adaptation capabilities through flexible mounting structures and bendable antenna elements. Rather than requiring precise pre-forming for each arc shape, the module can be installed in a neutral state and then flexed or shaped during assembly to match the specific arc geometry of the shell. This dynamic approach simplifies manufacturing by reducing the need for highly specialized tooling and assembly procedures for different arc configurations.
Data Source
AI summary
The present disclosure discloses a flexible antenna structure and an electronic device having the same. The flexible antenna structure includes a flexible printed circuit board, a mm-Wave antenna disposed on the flexible printed circuit board and conformal with the flexible printed circuit board, and a non-mm-Wave antenna disposed on the flexible printed circuit board and conformal with the flexible printed circuit board. Compared with the existing art, by means of the flexible antenna structure provided with the mm-Wave antenna and the non-mm-Wave antenna on the flexible printed circuit board, the present disclosure realizes integration of the mm-Wave antenna and the non-mm-Wave antenna, solves a challenge of numerous antennas in the electronic device, and realizes conformation with a bent part of a shell 1, thereby increasing the space utilization rate in a limited space. Furthermore, the overall size and cost cannot be increased, thus improving the competitiveness of a product.