CRLH Bezel Antenna for Slim Display Broadband Reception
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Solution Overview
Problem
Display apparatuses face challenges in receiving broadband broadcast band signals without separate external devices, due to limited space for antennas in slim designs, which affects convenience and manufacturing costs.
Innovation Solution
Integration of a composite right-left handed (CRLH) antenna structure on the bezel surface of the display apparatus, incorporating series and parallel inductors and capacitors, and a broadband member, allowing for broadband signal reception without external devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If the display apparatus uses a slim design with thin bezel, then the aesthetic appearance and image immersion are improved, but the available space for integrating an antenna is reduced
Solution Approach 1:
The patent utilizes the vertical dimension of the bezel by positioning the antenna on the rear surface of the bezel, extending in the vertical direction. This allows the antenna to be integrated into the slim bezel structure without requiring additional horizontal space, effectively resolving the contradiction between thin bezel design and antenna installation area.
2Ease of operation
If the display apparatus integrates an antenna internally, then the convenience of use and design simplicity are improved, but the ability to receive broadband broadcast band signals is compromised
Solution Approach 1:
The patent employs a meander line antenna structure that changes the electrical length of the antenna by folding the radiation element in a meandering pattern. This allows the antenna to achieve a longer electrical length within a compact physical space, enabling broadband signal reception while maintaining internal integration. The meander line configuration transforms the spatial arrangement to achieve the required electrical characteristics for broadband operation.
3Ease of manufacture
If the display apparatus uses a conventional antenna structure, then the manufacturing cost is reduced, but the broadband signal reception capability and integration capability are worsened
Solution Approach 1:
The patent divides the antenna structure into distinct functional segments: a feeding body with feeding electrodes, a meander line radiation body with multiple folded sections, and a ground body. This segmentation allows each part to be optimized for its specific function while maintaining overall broadband performance. The modular segmented structure also facilitates integration with the display panel manufacturing process, reducing overall manufacturing complexity.
4Reliability
If the antenna is placed on the front surface of the bezel, then the signal reception is improved, but the aesthetic appearance and design are compromised
Solution Approach 1:
The patent inverts the conventional antenna placement by positioning the antenna on the rear surface of the bezel instead of the front surface. The radiation body extends vertically on the rear side, away from the display panel, which maintains aesthetic appearance from the front while still achieving effective signal reception. This inversion resolves the contradiction between visibility and functionality.
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
Enables the display apparatus to receive broadcast band signals with a wider bandwidth, improving design, user convenience, and reducing manufacturing costs by eliminating the need for separate external antennas.
Implementation Method 1
the first gap may be configured to form a series capacitance by the series capacitor
Implementation Method 2
the second gap may be configured to form a parallel capacitance by the parallel capacitor
Implementation Method 3
a first radiation body configured to transmit and receive radio waves and a second radiation body spaced apart from the first radiation body by a first gap and configured to transmit and receive radio waves
Data Source
AI summary
The present disclosure relates to a display apparatus including a display panel, a bezel surface formed on a boundary of the display panel, and an antenna located on the bezel surface, wherein the antenna includes a composite right left handed (CRLH) structure including a series inductor, a series capacitor, a parallel inductor, and a parallel capacitor.