Under-Display Transmission Line Layout for Resonant Energy Radiation
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Solution Overview
Problem
Existing electronic devices with wireless communication capabilities face challenges in efficiently radiating energy from transmission lines while maintaining a clear display area and avoiding design complexity.
Innovation Solution
The electronic device incorporates a conductive partition wall and a transmission line disposed under the display panel, with the energy radiated from the transmission line resonating in a defined space and being radiated through the non-display area, thereby optimizing energy radiation without obstructing the display.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If the transmission line is disposed under the display panel, then the display area remains clear and unobstructed, but the energy radiation efficiency may be compromised due to limited space for resonance
Solution Approach 1:
The space under the display panel is segmented into distinct functional zones using conductive partition walls. These partition walls divide the resonance space into multiple regions, allowing the transmission line to have sufficient space for energy radiation while keeping the display area clear. The segmentation enables independent optimization of both display clarity and energy radiation efficiency in different spatial zones.
Solution Approach 2:
The patent utilizes the vertical dimension (z-axis) by disposing the transmission line and resonance structures underneath the display panel, rather than competing for horizontal space. This dimensional relocation allows the resonance cavity to extend vertically, providing adequate volume for energy radiation without compromising the horizontal display area. The conductive partition walls are also arranged in three-dimensional configurations to optimize space utilization across multiple dimensions.
2Use of energy by moving object
If conductive partition walls are added to define the resonance space, then energy radiation efficiency is improved, but the device structure becomes more complex
Solution Approach 1:
The conductive partition walls serve multiple functions simultaneously: they define the resonance space for energy radiation, act as electromagnetic shields to contain energy, provide structural support for the transmission line, and can be integrated with existing device components. This multi-functionality reduces the need for additional separate components, thereby limiting the increase in overall device complexity while achieving improved energy radiation efficiency.
Solution Approach 2:
The conductive partition walls are merged with existing structural elements of the device, such as the housing or support frames. By integrating the partition walls into existing components rather than adding them as separate elements, the patent minimizes the increase in device complexity. The partition walls are combined with the housing structure to form a unified assembly that provides both structural support and electromagnetic functionality.
3Use of energy by moving object
If the transmission line is surrounded by conductive posts, then energy resonance is enhanced, but the manufacturing process becomes more difficult
Solution Approach 1:
Instead of creating complex three-dimensional surrounded structures, the patent applies conductive elements locally at critical positions around the transmission line. The conductive posts are strategically placed at specific locations where they most effectively enhance energy resonance, rather than forming complete enclosing structures. This localized approach maintains manufacturing simplicity while achieving the desired resonance enhancement effect.
Solution Approach 2:
The patent extracts only the essential elements needed for energy resonance enhancement, removing unnecessary complexity. Rather than surrounding the transmission line with complete conductive enclosures, only the critical conductive posts that provide the necessary resonance effect are retained. This extraction of essential elements simplifies the manufacturing process while maintaining the core functionality of enhanced energy resonance.
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
This configuration allows for efficient energy radiation without obstructing the display panel, simplifies the design by eliminating the need for a separate feeding line, and maintains the sensitivity of the sensor layer.
Implementation Method 1
Energy radiated from the transmission line may resonate in a space defined by the display area of the display panel, the lower conductive layer, the conductive partition wall, and a sidewall of the housing and may be radiated through the non-display area of the display panel
Implementation Method 2
A slot may be defined in the lower conductive layer of the lower member, and a signal may be proximity coupled feed to the transmission line through the slot
Data Source
AI summary
Disclosed is an electronic device that includes a window, a display panel that is disposed under the window and that has a display area and a non-display area defined therein, a lower member that is disposed under the display panel and that includes a lower conductive layer, a transmission line disposed between the display panel and the lower member, a conductive partition wall spaced apart from the transmission line and disposed to overlap the display area, and a housing coupled with the window to define a receiving space in which the display panel, the lower member, and the transmission line are disposed.