Bezel-Integrated Antenna Switching for Thin Display Broadband Reception
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Solution Overview
Problem
Display apparatuses face challenges in receiving broadband broadcast band signals without separate external devices, particularly due to limited space for antennas as they become thinner and more compact.
Innovation Solution
Integration of an antenna on the bezel surface with a frequency variable device, such as a pin diode or varactor diode, allowing the antenna to operate at multiple frequencies by adjusting the electrical connection between the antenna body and extension body, combining characteristics of dipole and loop antennas to receive a wider band of signals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If the display apparatus is made thinner with a reduced bezel thickness to increase image immersion, then the aesthetic appearance and image immersion are improved, but the available space for integrating an antenna is reduced
Solution Approach 1:
The antenna is integrated directly into the bezel structure, merging the antenna function with the existing structural component. This eliminates the need for separate antenna housing or additional space, as the antenna is formed within or on the bezel itself, thereby maintaining thin bezel design while providing antenna functionality.
Solution Approach 2:
The antenna structure is designed to serve multiple functions: it acts as both a structural element of the display apparatus (part of the bezel assembly) and a functional antenna for receiving broadcast signals. This multi-functionality allows the same component to fulfill both structural and communication roles, maximizing space utilization.
2Adaptability or versatility
If a separate external antenna or tuner is used to receive digital TV signals, then the broadband signal reception capability is achieved, but the device complexity and manufacturing cost increase
Solution Approach 1:
The antenna elements are integrated into the display apparatus structure rather than being separate external components. The first and second antennas are formed within the bezel assembly, combining the antenna function with the existing structural components, thereby reducing device complexity while maintaining broadband reception capability.
Solution Approach 2:
The antenna structure is designed to receive multiple frequency bands (VHF and UHF) using the same integrated components. The first antenna receives VHF signals while the second antenna receives UHF signals, allowing a single integrated structure to provide universal broadband reception capability without requiring separate external devices for different bands.
3Adaptability or versatility
If multiple antennas are integrated into the display apparatus to receive both VHF and UHF signals, then the broadband reception capability is improved, but the space requirements and design complexity increase
Solution Approach 1:
Multiple antenna elements (first and second antennas) are merged into the single bezel structure. The antennas are formed using the existing structural components of the display apparatus, such as conductive elements on the bezel or integrated circuit board, thereby providing multi-band reception capability without requiring additional dedicated space for separate antenna assemblies.
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 broadband signals without external devices, improving design, convenience, and reducing manufacturing costs by integrating a versatile antenna that can operate across various frequencies.
Implementation Method 1
The frequency variable device may include a pin diode configured to electrically connect the antenna body and the extension body as power is supplied.
Implementation Method 2
The frequency variable device may include a varactor diode configured to adjust the degree of electrical connection between the antenna body and the extension body.
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 an antenna body extending in a horizontal direction to the bezel surface, an extension body provided on one side or opposite sides of the antenna body, and a frequency variable device configured to selectively electrically connect the antenna body and the extension body.