Telescoping Multi-Band Antenna Layout for Rollable Displays
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Solution Overview
Problem
Mobile communication devices face challenges in supporting multiple radio frequency bands and spatial diversity due to limited space, especially with the introduction of millimeter wave communication systems, which are more directional and require specific antenna placements that are difficult to accommodate in compact form factors.
Innovation Solution
A communication device with a telescoping support structure that incorporates a flexible display and a multi-band antenna assembly, allowing for mechanical reconfiguration of antennas to support various frequency bands, including low, medium, high, ultra-high, and millimeter wave bands, by positioning antennas at spaced apart locations to ensure effective communication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If millimeter wave antennas are added to support 5G communication, then data throughput is improved, but device complexity increases
Solution Approach 1:
The antenna system is divided into multiple independent antenna elements positioned at different locations and orientations within the device. Each antenna element can be independently configured to support different frequency bands and spatial directions, allowing the system to achieve mmWave capability without requiring a complete system redesign.
Solution Approach 2:
Multiple antenna elements are integrated within the existing device structure, with antennas nested within the device housing and display assembly. The antenna elements are positioned in available spaces such as between the display layers and within the device chassis, effectively utilizing the compact form factor while supporting multiple communication bands.
2Reliability
If multiple antennas are placed at spaced apart positions to support spatial diversity, then communication reliability is improved, but available space is reduced
Solution Approach 1:
The antenna elements are positioned in three-dimensional space utilizing vertical and lateral dimensions within the device. Antennas are placed at different heights, depths, and angles within the device structure, including positioning between display layers and within the device chassis, effectively creating spatial diversity without requiring additional surface area.
Solution Approach 2:
The antenna elements are positioned at asymmetric locations and orientations within the device rather than symmetric arrangements. This asymmetric positioning allows optimal spacing and angular separation for spatial diversity while adapting to the irregular available spaces within the compact device form factor.
3Ease of operation
If a compact form factor is used to enable mobility, then portability is improved, but antenna placement flexibility is reduced
Solution Approach 1:
The device incorporates a flexible display that can be rolled or folded, dynamically changing the device form factor between compact and extended states. This dynamic configuration allows the antenna system to maintain effective radiation patterns and spacing in both compact portable mode and extended display mode, adapting antenna performance to different operational states.
Solution Approach 2:
The antenna elements are designed to support multiple frequency bands and communication protocols simultaneously. Each antenna element can operate across different RF bands including mmWave, enabling the compact device to maintain versatile communication capability across multiple generations of wireless technology despite space constraints.
Data Source
AI summary
A communication device and a method of making a communication device having an antenna assembly display and that supports multi-band communication. A multi-band antenna assembly of the communication device is incorporated into a telescoping support structure positionable between a compact arrangement and an extended arrangement to change an amount of a scrollable or rollable flexible display is presented. The antenna assembly includes at least one upper antenna positioned at an upper lateral side of a top end portion of the telescoping support portion and at least one lower antenna positioned at a lower lateral side of a bottom end portion of the telescoping support structure. The antenna assembly supports multi-band radio frequency (RF) communication in support of cellular and wireless protocols.