Notebook Screen Antenna Module Using Overlapped 3D Layout
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Solution Overview
Problem
Antennas in notebook computers face challenges such as limited space due to narrow frames and potential noise interference when positioned inside the screen, leading to poor field patterns.
Innovation Solution
An antenna module design that includes a conductive element and antenna elements, utilizing resonance modes and overlapping assembly portions to reduce antenna size and enhance radiation efficiency in confined spaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If the antenna is arranged inside the upper end of the screen, then the space utilization is improved, but the frame width must be increased which is not acceptable
Solution Approach 1:
The patent transitions the antenna arrangement from a two-dimensional planar layout to a three-dimensional stacked configuration. The conductive element is positioned on the inner surface of the screen assembly while the antenna element is positioned on the outer surface, utilizing the thickness dimension of the screen assembly to accommodate both components without increasing the frame width.
Solution Approach 2:
The patent embeds the conductive element within the screen assembly structure (nested inside) while the antenna element is positioned on the outer surface. This nesting arrangement allows the antenna system to be integrated into the existing screen assembly without requiring additional lateral space.
2Area of stationary object
If the antenna is arranged inside the lower end of the screen, then the space utilization is improved, but noise interference and poor field pattern occur
Solution Approach 1:
The patent positions the antenna element specifically on the outer surface of the screen assembly away from the hinge area, creating a localized optimal radiation zone. The conductive element is positioned on the inner surface at a specific location to minimize interference, ensuring that the antenna operates in a region with favorable electromagnetic characteristics.
3Volume of moving object
If the antenna size is reduced to fit limited space, then the space requirement is reduced, but the radiation efficiency may deteriorate
Solution Approach 1:
The patent combines the conductive element and antenna element into a integrated antenna module where the two components work together as a unified system. The conductive element on the inner surface and the antenna element on the outer surface are electrically connected and function together to achieve efficient radiation despite the compact size.
Solution Approach 2:
By utilizing the third dimension (thickness of screen assembly) to separate and position the conductive element and antenna element, the patent maintains effective electrical length and radiation characteristics without increasing the lateral footprint of the antenna.
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
The design allows for efficient antenna operation in limited spaces without increasing the frame width, maintaining good radiation efficiency and reducing interference.
Implementation Method 1
The at least one antenna element is disposed on the device body and coupled with the conductive element to excite a first resonance mode
Data Source
AI summary
Disclosed is an electronic device including a device body and an antenna module. The antenna module includes a conductive element and at least one antenna element. The conductive element includes a main body portion and at least one assembly portion connected with each other. The at least one assembly portion is assembled on the device body. The at least one antenna element is disposed on the device body and coupled with the conductive element to excite a first resonance mode. The at least one assembly portion overlaps the at least one antenna element in the length direction of the main body portion.