Adjustable Therapeutic Face Mask with Silicone LED Barrier

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Solution Overview

Problem

Existing light therapy devices for facial skin treatment suffer from discomfort due to direct skin contact, uneven light distribution, reliance on external power sources, inability to communicate with external devices, fixed sizes, and inadequate protection for the eyes during therapy.

Innovation Solution

An adjustable therapeutic face mask with a flexible circuit board, transparent silicone sheet, and rechargeable batteries, allowing wireless communication with external devices for customizable light settings, and opaque edges near the eyes to prevent light exposure.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If light therapy tubes directly contact the skin, then light therapy effectiveness is improved, but user comfort deteriorates and skin irritation occurs

Engineering Contradiction:
Improvelight therapy effectivenessVSAvoidskin irritation
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The patent introduces a transparent silicone sheet as an intermediary layer between the light therapy tubes and the skin. This sheet allows light to pass through while eliminating direct contact between the tubes and skin, thus maintaining light therapy effectiveness while preventing skin irritation and discomfort

Inventive Principle:
Principle #24Intermediary (Mediator)

2Object-affected harmful factors

If light therapy tubes use an intermediate layer, then user comfort is improved, but light intensity dispersion deteriorates due to light loss

Engineering Contradiction:
Improveskin irritationVSAvoidlight intensity dispersion
Core Design Contradiction:
Object-affected harmful factorsVSIllumination intensity

Solution Approach 1:

The patent employs a thin transparent silicone sheet that acts as a flexible shell between the light tubes and skin. This thin film minimizes light loss while still providing the necessary separation to prevent direct contact, thereby maintaining both comfort and light intensity dispersion

Inventive Principle:
Principle #30Flexible shells and thin films

3Ease of manufacture

If face mask is made fixed size, then manufacturing simplicity is improved, but adaptability to different face shapes deteriorates

Engineering Contradiction:
Improvemanufacturing simplicityVSAvoidadaptability to face shapes
Core Design Contradiction:
Ease of manufactureVSAdaptability or versatility

Solution Approach 1:

The patent incorporates adjustable straps that allow the face mask to dynamically adapt to different face shapes and sizes. The straps can be adjusted to fit various users, transforming a fixed-size mask into a customizable fit without significantly complicating the manufacturing process

Inventive Principle:
Principle #15Dynamics

4Ease of operation

If hand-held face mask is used, then portability is improved, but light dispersion quality deteriorates

Engineering Contradiction:
ImproveportabilityVSAvoidlight dispersion quality
Core Design Contradiction:
Ease of operationVSIllumination intensity

Solution Approach 1:

The patent uses a flexible transparent silicone sheet that conforms to the contours of the user's face, ensuring optimal light dispersion even when the device is handheld. This flexible material maintains contact with the skin surface while allowing portability

Inventive Principle:
Principle #30Flexible shells and thin films

5Ease of operation

If mounting assembly is added for hands-free operation, then ease of operation is improved, but device complexity and comfort deteriorate

Engineering Contradiction:
Improvehands-free operationVSAvoidmounting assembly complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent employs a flexible strap system that provides hands-free operation through simple elastic material rather than complex mounting assemblies. The flexible nature of the straps allows for easy adjustment and comfortable wear without adding significant complexity

Inventive Principle:
Principle #30Flexible shells and thin films

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

Provides comfortable, even light distribution, hands-free operation, and eye protection while enabling multi-wavelength light therapy with customizable settings via a software application.

Implementation Method 1

a plurality of light emitting diodes (LEDs) for providing multi -wavelength light spectrum with various intensities to a user's skin

Methodology Applied
Scientific EffectLight Emitting Diode: Light Emitting Diode

Implementation Method 2

a transparent silicone material sheet

Methodology Applied
Scientific EffectLight transmission through transparent material: Refraction

Implementation Method 3

rechargeable batteries

Methodology Applied
Scientific EffectBattery (electricity): Battery (electricity)

Data Source

PatentEP3870284B1An adjustable therapeutic face mask
Publication Date: 2025.07.30 SHISEIDO AMERICAS CORP
  • EP3870284B1 patent drawingFigure 1
  • EP3870284B1 patent drawingFigure 2
  • EP3870284B1 patent drawingFigure 3

AI summary

The present invention discloses a therapeutic face mask having a plurality of light emitting diodes. The therapeutic face mask substantially accommodates a user's face. Light of a particular color and intensity is projected on to the facial region of the user for facial therapy. The light emitting diodes (LEDs) are covered by a sheet of transparent silicone material to avoid direct contact of LEDs with the user's facial skin. The therapeutic face mask has a communication module in order to control the intensity, frequency, and color of the light emitting diodes when used by the user.