Flexible Display Multi-Bar Antenna Layout for Sliding Signal Radiation
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Solution Overview
Problem
Existing electronic devices with flexible displays face challenges in efficiently integrating antennas within their sliding or folding mechanisms, leading to signal interference and reduced display functionality.
Innovation Solution
A multi-bar structure is employed to support the flexible display, with conductive bars and gaps allowing antennas to be aligned with gaps between bars, ensuring optimal signal radiation and display functionality in slide-in and slide-out states.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If an antenna is integrated within the sliding mechanism of a flexible display device, then wireless communication functionality is achieved, but signal interference and reduced display functionality occur
Solution Approach 1:
The device is divided into two separable housing parts: a first housing part containing the display assembly and a second housing part containing the antenna. This segmentation allows the antenna to be isolated from the display during sliding operations, preventing signal interference while maintaining wireless communication functionality. The housing parts can slide relative to each other, enabling the antenna to be positioned optimally for signal transmission.
Solution Approach 2:
A guide rail structure acts as an intermediary mechanism between the two housing parts. The guide rail includes a first portion and a second portion that guide the sliding movement, ensuring the antenna maintains proper alignment and positioning relative to the display assembly during extension and retraction. This intermediary structure prevents direct interference between the antenna and display components.
2Area of moving object
If a flexible display is made larger to provide more multimedia functionality, then user experience is improved, but device size and complexity increase
Solution Approach 1:
The display assembly is designed with dynamic extensibility through the sliding mechanism. The second housing part can slide outward to extend the display area when needed, and retract when not in use. This dynamic configuration allows the device to provide a large display area for multimedia functions while maintaining a compact form factor during normal use, effectively managing device complexity.
3Area of moving object
If the second housing part slides out to extend display functionality, then display area is increased, but structural stability decreases
Solution Approach 1:
The guide rail structure is pre-configured with specific geometric features (first portion and second portion) that establish stable engagement points before sliding occurs. These pre-designed guide surfaces ensure that as the second housing part slides out to extend the display, the movement is constrained along a precise path, maintaining structural stability throughout the extension process.
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 solution enhances signal transmission and maintains display functionality by aligning antennas with gaps in the multi-bar structure, improving user experience and performance in flexible electronic devices.
Implementation Method 1
each of the plurality of first patterns is configured to be aligned with a corresponding gap of the plurality of gaps for radiating signal from the antenna through the plurality of gaps
Data Source
AI summary
An electronic device is provided. The electronic device includes a housing including a first housing part, and a second housing part configured to move slidably with respect to the first housing part between a slide-in state and a slide-out state, a flexible display comprising a first region and a second region, wherein at least part of the second region is drawn into or withdrawn from an internal space of the housing according to a movement of the second housing part with respect to the first housing part, a multi-bar structure disposed to support the at least part of the second region of the flexible display and including a plurality of bars and a plurality of gaps being defined between two adjacent bars among the plurality of bars, wherein each of the plurality of bars includes a conductive material and an antenna including a plurality of first patterns arranged parallel to a lengthwise direction of one of the plurality of bars, wherein the antenna is configured to be disposed within a space formed between a portion of the first region and a portion of the second region of the flexible display in the slide-in state and each of the plurality of first patterns is configured to be aligned with a corresponding gap of the plurality of gaps for radiating signal from the antenna through the plurality of gaps in the slide-in state.