Intersecting Electrode Assembly for Uniform RF Skin Energy Transfer

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Solution Overview

Problem

Existing skin treatment devices using high-frequency energy struggle to continuously supply and uniformly distribute energy to the skin while maintaining contact, leading to inefficient and potentially non-uniform treatment outcomes.

Innovation Solution

A high-frequency energy transfer device with a signal transfer unit comprising intersecting electrodes and dielectric materials, a signal generation unit, and a sensor unit to ensure continuous and uniform energy delivery, adapting to skin contact pressure and movement.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If high-frequency energy is supplied to the skin using conventional electrode assemblies, then thermal effect is generated to improve skin conditions, but the energy distribution is non-uniform and treatment efficiency is reduced

Engineering Contradiction:

Improveenergy distribution uniformityVSAvoidtreatment efficiency

Core Design Contradiction:

Manufacturing precisionVSProductivity

Solution Approach 1:

The electrode assembly is divided into multiple electrodes (first electrode, second electrode, third electrode, fourth electrode) arranged in a specific pattern. Each electrode independently transfers high-frequency energy to different regions of the skin, ensuring uniform energy distribution across the treatment area and improving treatment efficiency.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

Dielectric materials are strategically positioned between specific electrode pairs (first and second electrodes, third and fourth electrodes) to locally enhance energy transfer. This creates regions of optimized energy concentration where needed while maintaining overall uniformity, directly addressing the non-uniform energy distribution problem.

Inventive Principle:

Principle #3Local quality

2Reliability

If conventional electrode assemblies are used for skin treatment, then high-frequency energy can be transferred to generate thermal effect, but continuous and uniform energy supply while maintaining contact is difficult

Engineering Contradiction:

Improvecontinuous energy supply stabilityVSAvoidcontact maintenance difficulty

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The electrode assembly is designed with a flexible structure that can dynamically adapt to the skin surface contour. The electrodes and dielectric materials are arranged to maintain consistent contact pressure and energy transfer across moving or flexible treatment areas, enabling reliable continuous energy supply during operation.

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

Dielectric materials serve as intermediaries between the electrodes and skin contact points. These materials ensure stable electrical coupling and maintain consistent energy transfer even when contact conditions vary, improving the reliability of continuous energy supply while easing operational requirements.

Inventive Principle:

Principle #24Intermediary (Mediator)

3Power

If high-frequency energy is concentrated on specific skin areas, then treatment effect is enhanced, but thermal damage risk increases

Engineering Contradiction:

Improveenergy concentrationVSAvoidthermal damage risk

Core Design Contradiction:

PowerVSObject-affected harmful factors

Solution Approach 1:

The electrode assembly applies high-frequency energy through multiple electrodes simultaneously across different skin regions. By distributing the energy application across multiple points rather than concentrating it at a single point, the treatment effect is enhanced while the risk of localized thermal damage is reduced.

Inventive Principle:

Principle #16Partial or excessive action

Solution Approach 2:

Dielectric materials are positioned between electrode pairs to mediate energy transfer. They control and distribute the concentrated energy from each electrode pair, ensuring sufficient power for effective treatment while preventing excessive energy concentration that could cause thermal damage to the skin.

Inventive Principle:

Principle #24Intermediary (Mediator)

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 device achieves continuous and uniform high-frequency energy supply to wider skin areas, enhancing treatment efficacy, particularly on sensitive regions like the eyes and forehead, while minimizing thermal damage.

Implementation Method 1

the electrode assembly is configured to electro-capacitively connect the high-frequency energy to the tissues

Methodology Applied

Scientific EffectElectro-capacitive connection: Capacitance

Implementation Method 2

molecules constituting the skin tissues vibrate and rub against each other whenever the direction of high-frequency current changes, and deep heat is generated by a rotational, twisting or collision motion

Methodology Applied

Scientific EffectDielectric heating: Dielectric Heating

Data Source

PatentUS12533174B2High-frequency energy transfer device

Publication Date: 2026.01.27 WONTECH CO LTD

AI summary

A high-frequency energy transfer device includes a signal transfer part for transferring a signal to the skin through an electrode assembly, which comprises electrodes to which signals having at least one frequency according to at least one type are applied, and which function as multiple center shafts having one-side surfaces that cross each other and are to come into contact with the skin to be cared, and dielectric materials disposed at one side and the other side of each of the electrodes; and a housing forming a frame for receiving the signal transfer part.