Vehicle Glass Pane Pixel Matrix for Reconfigurable Antennas
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Solution Overview
Problem
Existing glass panes in motor vehicles lack the ability to efficiently and adaptively form multiple antenna structures without visual impairment, limiting their functionality and flexibility in communication services.
Innovation Solution
A glass pane with a pixel matrix of interconnected cells filled with rheological fluid, where electrical voltage or magnetic fields control the movement of fluid to form adaptive antenna structures, allowing for flexible and efficient antenna formation in edge regions, corners, and multiple antennas with minimal visual impact.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If antenna structures are formed in edge regions of the glass pane, then communication functionality is improved, but visual impairment increases
Solution Approach 1:
The glass pane is divided into multiple independently controllable pixel cells arranged in a matrix. Each cell can be individually activated or deactivated, allowing antenna structures to be formed in specific edge regions while keeping central viewing areas transparent. This segmentation enables spatial separation of antenna functionality and visual clarity requirements.
Solution Approach 2:
Different regions of the glass pane are assigned different functional properties: edge regions contain activated pixel cells that form antenna structures for communication functionality, while central regions maintain transparency for viewing. This local differentiation allows each region to optimize its specific function without compromising the other.
2Adaptability or versatility
If multiple antenna structures are formed in the glass pane, then communication diversity is improved, but device complexity increases
Solution Approach 1:
The pixel matrix serves multiple functions simultaneously: it can form multiple different antenna structures for diverse communication services, act as a transparent display medium, and maintain structural integrity of the glass pane. This multi-functionality reduces the need for separate antenna components, thereby managing complexity while enhancing versatility.
Solution Approach 2:
The antenna structures are dynamically reconfigurable through electrical control of the pixel matrix. Different antenna configurations can be activated as needed for different communication services, allowing the system to adapt to varying requirements without permanent complex structures for all possible antenna types.
3Adaptability or versatility
If rheological fluid is used in pixel cells for antenna formation, then antenna adaptability is improved, but manufacturing complexity increases
Solution Approach 1:
Rheological fluid is introduced into sealed pixel cells through fluid filling processes. The fluid's ability to change viscosity or conductivity under electrical or magnetic fields enables antenna formation without mechanical moving parts, simplifying the overall device structure while maintaining reconfigurability.
Solution Approach 2:
The rheological fluid's physical parameters (viscosity, electrical conductivity) are changed in response to applied fields, enabling dynamic antenna formation. This parameter-based control avoids complex mechanical switching mechanisms and allows for simpler manufacturing of the pixel matrix structure.
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 formation of efficient antenna structures across various edge regions and corners of the glass pane, providing enhanced communication capabilities with reduced visual impairment and improved structural utilization, while protecting the pixel matrix from external mechanical influences.
Implementation Method 1
rheological, in particular electrorheological, fluid, in particular electrorheological liquid metal, is present in the plurality of cells, wherein by means of control of in each case one of the cells, fluid is movable from the cell into other cells
Implementation Method 2
rheological (magnetorheological and/or electrorheological) fluids
Data Source
AI summary
A glass pane, in particular glass roof or rear window or side window or windshield, of a motor vehicle, with a pixel matrix arranged in the glass pane, in which pixel matrix at least one antenna structure is producible by means of a rheological material.