Light-Based Beauty Device Cooling Airflow for Scalp Heat

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Solution Overview

Problem

Existing light-based beauty devices struggle to emit light of adequate intensity without overheating the scalp, as simultaneous emission of light and hot air can cause excessive heat, while weakening the light intensity to prevent overheating results in inadequate hair growth effects.

Innovation Solution

A light-based beauty device comprising a light emission unit, a cooling unit, and a controller, where the cooling unit supplies airflow to cool the skin surface during light emission, allowing for high-intensity light irradiation without excessive heat buildup.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Illumination intensity

If light and hot air are emitted to the scalp at the same time, then the light intensity can be adequate for hair growth, but the scalp becomes too hot

Engineering Contradiction:
Improvelight intensityVSAvoidscalp temperature
Core Design Contradiction:
Illumination intensityVSTemperature

Solution Approach 1:

The patent separates the heating function from the light emission function. Instead of using hot air for hair drying during light irradiation, the system uses ambient temperature air that is blown through the hair while the light emission unit irradiates the scalp, thereby extracting the harmful thermal effect while preserving the beneficial light therapy effect

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The patent introduces air as an intermediary medium that carries the light emission unit close to the scalp without directly transmitting heat. The air flow serves as a mediator that enables both hair drying and light delivery while preventing excessive heat transfer to the scalp surface

Inventive Principle:
Principle #24Intermediary (Mediator)

2Temperature

If the intensity of the light emitted by the LED is weakened to prevent the scalp from becoming too hot, then the scalp temperature is controlled, but the light intensity becomes too weak for adequate hair growth effect

Engineering Contradiction:
Improvescalp temperatureVSAvoidlight intensity
Core Design Contradiction:
TemperatureVSIllumination intensity

Solution Approach 1:

The patent extracts the heating function from the air drying process, allowing the light emission unit to operate at full intensity without the constraint of heat generation. The system uses unheated air for drying, which removes the thermal limitation and enables adequate light intensity for hair growth therapy

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The patent divides the hair drying and light therapy functions into separate operational modes. The light emission unit operates independently at adequate intensity while the air flow handles drying separately, allowing both functions to optimize their respective parameters without compromising each other

Inventive Principle:
Principle #1Segmentation

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 effectively irradiates the skin surface with high-intensity light while preventing excessive heat, thereby achieving a balance between adequate hair growth effects and user comfort.

Implementation Method 1

The cooling unit is configured to cool the skin surface by supplying airflow to the skin surface

Methodology Applied
Scientific EffectConvection: Convection

Implementation Method 2

The light emission unit is configured to irradiate a skin surface with light

Methodology Applied
Scientific EffectLight irradiation: Light

Data Source

PatentUS20250152965A1Light-Based Beauty Device
Publication Date: 2025.05.15 YA MAN LTD
  • US20250152965A1 patent drawing
  • US20250152965A1 patent drawing
  • US20250152965A1 patent drawing

AI summary

A light-based beauty device is provided. The light-based beauty device includes a light emission unit, a cooling unit, and a controller. The light emission unit is configured to irradiate a skin surface with light. The cooling unit is configured to cool the skin surface by supplying airflow to the skin surface. The controller implemented by a processor is configured to allow the cooling unit to operate so that the airflow cools the skin surface irradiated with the light.