Housing Antenna Structure for Large-Display Foldable Electronics

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Solution Overview

Problem

Flexible electronic devices face challenges in spatial efficiency due to the need for a large-screen display, which limits the mounting space for antennas, making it difficult to accommodate antenna modules within the device.

Innovation Solution

The use of a conductive portion of the housing as an antenna radiator, allowing the wireless communication circuit to communicate with external devices through conductive portions of the housing, thereby reducing the space required for antenna modules.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Area of moving object

If a large-screen display is included to improve portability and usability, then the display area increases, but the mounting space for antennas decreases

Engineering Contradiction:
Improvedisplay areaVSAvoidmounting space for antennas
Core Design Contradiction:
Area of moving objectVSArea of stationary object

Solution Approach 1:

The patent merges the housing structure with the antenna function by making the housing itself conductive. The side member forming part of the outer housing is configured as a conductive portion that serves as an antenna radiator, eliminating the need for separate antenna modules and their mounting space.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The housing serves multiple functions: it provides structural protection, forms the external appearance, and simultaneously acts as an antenna radiator for wireless communication. The conductive side member of the housing performs both structural and electromagnetic radiation functions.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Reliability

If antenna modules are disposed inside the electronic device, then wireless communication function is achieved, but the device complexity and space requirements increase

Engineering Contradiction:
Improvewireless communication functionVSAvoidantenna module structure
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent extracts the antenna function from the traditional antenna module and integrates it directly into the housing structure. The conductive side member of the housing itself performs the antenna radiation function, eliminating the need for separate antenna modules, feeds, and associated mounting structures.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The housing structure and antenna function are merged into a single integrated component. The side member that forms part of the outer housing is configured as a conductive portion serving as an antenna radiator, combining structural and communication functions.

Inventive Principle:
Principle #5Merging (Combining)

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 solution enhances spatial efficiency by utilizing the housing as an antenna, allowing for effective wireless communication without the need for dedicated antenna modules, thereby optimizing space and design flexibility in flexible electronic devices.

Implementation Method 1

a conductive portion of a housing of an electronic device as an antenna radiator

Methodology Applied
Scientific EffectElectromagnetic radiation: Electromagnetic Induction

Data Source

PatentUS20250016947A1Electronic device including antenna structure using housing
Publication Date: 2025.01.09 SAMSUNG ELECTRONICS CO LTD
  • US20250016947A1 patent drawing
  • US20250016947A1 patent drawing
  • US20250016947A1 patent drawing

AI summary

An electronic device according to an embodiment comprises: an inner housing; an outer housing coupled to the inner housing such that the inner housing is configured to move along a first direction or a second direction opposite to the first direction, and includes an opening formed in a portion of a surface that faces the second direction and connected to a space formed by the coupling of the outer housing and the inner housing; a side member comprising a conductive material and including at least one conductive portion which forms at least a portion of the side surface of the outer housing facing the second direction; and a wireless communication circuit operatively connected to the at least one conductive portion, wherein the wireless communication circuit can be configured to communicate with an external electronic device in a designated frequency band through the at least one conductive portion.