Variable Pliability Substrate for Wearable Biosignal Sensing

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Solution Overview

Problem

Existing wearable devices for monitoring biologically-relevant information often lack the necessary pliability and adaptability to conform to the shape of the body, leading to discomfort and reduced effectiveness in data collection.

Innovation Solution

The electronic device features a substrate with distinct regions of varying pliability, where a relatively rigid region houses the electronic component and battery, and a more pliable region accommodates the sensing element, allowing it to displace and conform to the body's surface for improved biosignal detection.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If the electronic device uses a uniform rigid structure to house electronic components, then component protection and structural stability are improved, but the device cannot conform to curved body surfaces and causes discomfort

Engineering Contradiction:

Improvestructural stabilityVSAvoidconformability to body surface

Core Design Contradiction:

StrengthVSAdaptability or versatility

Solution Approach 1:

The device is divided into distinct regions: a first region with lower pliability housing electronic components for structural stability, and a second region with higher pliability for conformability. This segmentation allows each region to perform its specialized function optimally.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

Different regions of the device have different pliability properties tailored to their specific functions. The first region is designed to be relatively rigid for component protection, while the second region is designed to be more pliable for body surface conformity, achieving local optimization of mechanical properties.

Inventive Principle:

Principle #3Local quality

2Adaptability or versatility

If the electronic device uses a uniform pliable structure to conform to body surfaces, then comfort and adaptability are improved, but electronic components lack adequate protection and structural stability

Engineering Contradiction:

Improveconformability to body surfaceVSAvoidstructural stability

Core Design Contradiction:

Adaptability or versatilityVSStrength

Solution Approach 1:

The device structure is segmented into a first region for structural support and a second region for flexibility. This allows the pliable second region to conform to body surfaces while the rigid first region maintains structural integrity for component protection.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The device implements local quality by assigning different mechanical properties to different regions: the first region has lower pliability for structural stability, while the second region has higher pliability for conformability, resolving the contradiction between protection and adaptability.

Inventive Principle:

Principle #3Local quality

3Measurement precision

If the sensing element is fixed rigidly to detect biosignals accurately, then measurement precision is improved, but the device cannot adapt to curved surfaces and reduces effectiveness

Engineering Contradiction:

Improvebiosignal detection accuracyVSAvoidconformability to body surface

Core Design Contradiction:

Measurement precisionVSAdaptability or versatility

Solution Approach 1:

The sensing element is positioned in the second region which has higher pliability, allowing it to conform to curved body surfaces while maintaining its sensing function. This local adaptation ensures both measurement precision and body surface conformability.

Inventive Principle:

Principle #3Local quality

Solution Approach 2:

The device incorporates dynamic flexibility through the second region, allowing the sensing element to adapt its position and orientation to conform to various body surface curvatures, thereby maintaining effective biosignal detection across different anatomical locations.

Inventive Principle:

Principle #15Dynamics

4Volume of moving object

If the device is made compact with all components in one region, then device size is reduced, but the sensing element cannot displace independently to sense biosignals effectively

Engineering Contradiction:

Improvedevice sizeVSAvoidbiosignal sensing capability

Core Design Contradiction:

Volume of moving objectVSMeasurement precision

Solution Approach 1:

The device is segmented into a first region containing electronic components and a second region containing the sensing element. This spatial segmentation enables the sensing element to displace independently within the compact second region to maintain effective contact with curved body surfaces for accurate biosignal detection.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The device utilizes the third dimension (depth/thickness) to accommodate component separation. The sensing element is disposed on a second surface opposite to the first surface where electronic components are located, allowing independent displacement capability while maintaining overall device compactness.

Inventive Principle:

Principle #17Another dimension (Dimensionality change)

Data Source

PatentUS20250133662A1Electronic device and method of manufacturing the same

Publication Date: 2025.04.24 ADVANCED SEMICON ENG INC

AI summary

The present disclosure provides an electronic device and method of manufacturing the same. The electronic device includes a first region, a second region, an electronic component, and a first sensing element. The second region is adjacent to the first region. The first region has a first pliability. The second region has a second pliability. The second pliability is greater than the first pliability. The electronic component is disposed at the first region. The first sensing element is disposed at the second region and electrically connected to the electronic component.