Reconfigurable Display Antenna Layout for Multi-Band Coverage
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Solution Overview
Problem
Conventional antennas in display devices face challenges in adapting to diverse frequency bands due to advancements in communication technology, necessitating multiple designs for different frequency ranges, which is inefficient in terms of space utilization and cost.
Innovation Solution
A reconfigurable antenna system integrated into a display device, utilizing a substrate with a pixel unit and antenna unit that includes radiators and switching elements, allowing control over radiator connections to adjust resonance frequency and radiation properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional antennas are used for different frequency bands, then each frequency band requires a separate antenna design, but this increases space occupation and device complexity
Solution Approach 1:
The antenna is divided into multiple unit radiators that can be independently controlled through switching elements. By selectively connecting or disconnecting individual unit radiators, the antenna can be reconfigured to operate at different frequency bands without requiring separate antenna structures for each band, thereby reducing space occupation while maintaining frequency band adaptability
Solution Approach 2:
The antenna structure incorporates switching elements that enable dynamic reconfiguration of the radiator connections. This dynamic capability allows the antenna to adapt its electrical length and resonance characteristics in real-time to match different frequency bands, eliminating the need for multiple fixed-configuration antennas
2Adaptability or versatility
If multiple antenna designs are implemented for different frequency bands, then frequency coverage is improved, but manufacturing cost and device complexity increase
Solution Approach 1:
A single antenna structure with multiple unit radiators and switching elements serves multiple frequency bands. The switching elements enable the same physical antenna to be reconfigured for different frequency operations, making the antenna system universal across multiple bands rather than requiring separate specialized antennas for each band
Solution Approach 2:
The antenna operates at different frequency bands by changing its electrical parameters through switching element control. By altering the connection state of unit radiators, the effective electrical length and impedance of the antenna are modified to resonate at different frequencies, enabling multi-band operation without structural changes
3Ease of manufacture
If conventional fixed antenna structures are used, then manufacturing is simple, but adaptability to different frequency bands is limited
Solution Approach 1:
The antenna is segmented into modular unit radiators with standardized switching elements between them. This modular design allows for simplified manufacturing through repetitive patterning processes while maintaining the capability for post-manufacturing reconfiguration to achieve frequency band adaptability
Solution Approach 2:
The antenna incorporates controllable switching elements that enable dynamic reconfiguration after manufacturing. This dynamic feature is integrated into the manufacturing process rather than requiring complex post-processing, allowing the antenna to adapt to different frequency bands while maintaining manufacturing efficiency
Data Source
AI summary
Embodiments of the disclosure relate to a display device and display panel including a reconfigurable antenna. The display device may include: a substrate including a display area configured to display an image and a non-display area not configured to display an image; a pixel unit including a plurality of pixels disposed in the display area; and an antenna unit disposed in at least a portion of the display area or at least a portion of the non-display area. The antenna unit may include a plurality of radiators and an antenna constituent circuit configuring an antenna with at least one of the plurality of radiators.