Transparent Dielectric Antenna for Compact Device Integration
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Solution Overview
Problem
Traditional antennas in electronic devices face performance issues due to their size constraints and interference from surrounding metal components, particularly in compactly packaged small-sized devices, where space is limited and antenna performance is compromised.
Innovation Solution
A dielectric transparent antenna system utilizing a solid dielectric transparent substrate with a wave launcher, where the substrate is placed on the surface of electronic devices, allowing for efficient energy coupling and radiation without interference from internal components, and enabling the use of the previously occupied space for other features or size reduction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If traditional antennas are used in electronic devices, then antenna performance can be maintained, but device size increases due to space requirements for ground planes and antenna structures
Solution Approach 1:
The patent extracts the antenna function from traditional metal-based structures and relocates it to a transparent substrate (glass, sapphire, or transparent plastic) that forms part of the device's outer housing. This separation allows the antenna to utilize the device's external surface area rather than requiring internal space, thereby reducing device volume while maintaining antenna performance.
Solution Approach 2:
The patent transitions antenna design from a two-dimensional planar structure requiring ground planes to a three-dimensional distributed structure embedded in the transparent substrate. The antenna elements are arranged in multiple layers within the substrate thickness, utilizing the Z-dimension to achieve radiation functionality without increasing the device's footprint area.
2Volume of moving object
If multiple antennas are packed tightly in small devices, then device size decreases, but antenna performance deteriorates due to interference from surrounding metals and components
Solution Approach 1:
The patent introduces a transparent substrate as an intermediary medium between the antenna elements and the surrounding metallic components. This substrate acts as an electromagnetic isolation layer that reduces interference from adjacent metals and components, allowing multiple antennas to be packed closely together without significant performance degradation.
Solution Approach 2:
The patent employs composite structures combining transparent dielectric materials (such as glass, sapphire, or transparent plastic) with conductive antenna elements. This composite approach provides both mechanical support and electromagnetic functionality while minimizing interference effects, as the transparent material has favorable dielectric properties for antenna operation.
3Adaptability or versatility
If transparent substrate is used for antenna, then space previously occupied by antennas can be used for other features, but manufacturing complexity increases
Solution Approach 1:
The patent merges the antenna structure with the device's existing transparent housing or display cover. Instead of adding a separate antenna component, the antenna elements are integrated directly into the transparent substrate that already serves as a structural and aesthetic element of the device, thereby eliminating the need for additional space while minimizing manufacturing complexity.
Solution Approach 2:
The transparent substrate serves multiple functions simultaneously: it provides structural protection, maintains device aesthetics through transparency, and enables antenna functionality. This multi-functionality eliminates the need for dedicated antenna space and reduces the overall component count, simplifying the manufacturing process despite the specialized material requirements.
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
This solution enhances antenna performance by minimizing interference from internal components and allows for the use of space previously occupied by antennas for other applications, such as larger batteries or additional features, while maintaining transparency and radiation efficiency.
Implementation Method 1
the energy reinforces inside the dielectric transparent substrate to create resonant frequency
Implementation Method 2
the wave launcher enables the dielectric transparent substrate to radiate electromagnetic wave with the resonant frequency
Implementation Method 3
the dielectric constant of the dielectric transparent substrate is larger than 2
Data Source
AI summary
Disclosed are a system, apparatus, and method for improving performance of antennas in electronic devices. The disclosed system, apparatus, and method uses a transparent dielectric substrate as an antenna. The transparent dielectric substrate may receive energy from a wave launcher and printed circuit board. To work as an antenna, the whole structure may include at least one wave launcher located between the dielectric transparent substrate and a printed circuit board. Also, the structure may include a ground at the bottom of solid dielectric transparent substrate with a separation space. The space should not be less than wavelength 1/10 of fundamental resonant frequency.