Stretchable Conductive Ink Patterns for Compression Garments
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Solution Overview
Problem
Current wearable health monitoring garments are cumbersome, uncomfortable, and inaccurate, lacking integration of sensors with the fabric for flexible and long-term use, and often require restrictive designs for consistent skin contact, limiting their practicality and comfort.
Innovation Solution
Development of wearable communication platforms using stretchable and conductive ink patterns applied directly or transferred onto compression fabrics, enabling flexible, conductive traces that maintain electrical properties through stretching and integration with sensors for real-time physiological signal detection and communication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If garments use rigid conductive materials and structures for electrical connectivity, then electrical conductivity is improved, but flexibility and comfort are worsened
Solution Approach 1:
The patent applies flexible conductive ink patterns printed directly onto the garment fabric, replacing rigid conductive materials with thin, flexible conductive layers that conform to the garment's movement and body contours, maintaining electrical conductivity while enabling flexibility
Solution Approach 2:
The patent uses composite conductive ink formulations combining conductive particles with flexible polymer binders, creating a material that exhibits both electrical conductivity and mechanical flexibility, allowing the conductive traces to stretch and bend with the garment
2Ease of operation
If garments use loose, non-restrictive designs for comfort, then comfort is improved, but measurement accuracy is worsened due to inconsistent skin contact
Solution Approach 1:
The patent applies compression only to specific regions of the garment where sensors require consistent skin contact, while other regions remain loose and comfortable, achieving both comfort and measurement accuracy through localized differential compression
Solution Approach 2:
The patent uses elastic compression garments that dynamically adapt to body movements and physiological changes, maintaining optimal skin contact pressure during various activities while preserving overall comfort through the garment's elastic recovery properties
3Adaptability or versatility
If garments integrate sensors directly into the fabric for flexibility, then flexibility and comfort are improved, but manufacturing complexity is worsened
Solution Approach 1:
The patent replaces traditional mechanical sensor attachment methods (sewing, bonding, velcro) with direct printing of conductive ink patterns onto the fabric, eliminating complex assembly steps and integrating the conductive elements directly into the garment manufacturing process
Solution Approach 2:
The patent develops a universal conductive ink printing platform that can be applied to various garment types and sensor configurations using the same basic manufacturing process, reducing complexity by creating a standardized approach applicable across different product designs
4Adaptability or versatility
If garments use stretchable conductive materials, then flexibility is improved, but electrical conductivity stability is worsened during stretching
Solution Approach 1:
The patent designs conductive ink patterns with curved, serpentine, or zigzag geometries instead of straight lines, allowing the conductive traces to accommodate stretching and bending through geometric deformation while maintaining continuous electrical pathways and stable conductivity
Solution Approach 2:
The patent modifies the physical and chemical parameters of the conductive ink formulation, including particle size, concentration, and binder composition, to create materials with enhanced elasticity and conductive stability that maintain electrical properties through repeated stretching and relaxation cycles
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 provides comfortable, accurate, and movement-insensitive physiological measurements over extended periods, allowing for easy manufacturing and direct user interaction, while maintaining electrical conductivity and durability.
Implementation Method 1
the conductive ink and the adhesive are partially combined in a gradient region
Implementation Method 2
stretchable and conductive ink patterns... maintain electrical properties through stretching
Data Source
AI summary
Methods of forming garments having one or more stretchable conductive ink patterns. Described herein are method of making garments (including compression garments) having one or more highly stretchable conductive ink pattern formed of a composite of an insulative adhesive, a conductive ink, and an intermediate gradient zone between the adhesive and conductive ink. The conductive ink typically includes between about 40-60% conductive particles, between about 30-50% binder; between about 3-7% solvent; and between about 3-7% thickener. The stretchable conductive ink patterns may be stretched more than twice their length without breaking or rupturing.