Flexible LED Patch with Thin-Film Battery for Skin Care
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Solution Overview
Problem
Existing LED light patches face challenges in stable power supply and circuit bonding when applied to varying skin areas, and lack area-specific control, dimming control, and user-selected care time functionality for effective skin care diagnosis and treatment.
Innovation Solution
The integration of a Bioelectrical Impedance Analysis (BIA) module, Bluetooth Low Energy (BLE) module, flexible thin-film battery, micro-LED array, and a control processor in the LED light patch, which allows for area-specific, dimming, wavelength, and user-selected care time control, enabling stable power supply and customized skin care solutions based on impedance measurement and image analysis.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If LED light patch is applied to various skin areas with varied shapes, then adaptability is improved, but power supply stability and circuit bonding reliability deteriorate
Solution Approach 1:
The patent employs a flexible thin-film battery and flexible circuit board to enable the LED light patch to adapt to various skin areas while maintaining power supply stability and circuit bonding reliability. The flexible components allow the device to be stretched and conform to different body surfaces without compromising electrical connections or power delivery.
Solution Approach 2:
The patent implements dynamic adjustment capabilities including dimming control and wavelength selection that allow the LED module to adapt its output based on real-time skin condition feedback from BIA measurements, enabling the system to maintain optimal performance across varying application scenarios.
2Reliability
If multiple control functions (area-specific, dimming, wavelength, care time) are added, then skin care effectiveness is improved, but device complexity increases
Solution Approach 1:
The patent integrates multiple control functions including area-specific control, dimming control, wavelength control, and care time control into a single unified control processor that receives input from various sensors (BIA module, camera) and coordinates the LED module operations, thereby achieving comprehensive skin care effectiveness without proportionally increasing overall system complexity.
Solution Approach 2:
The patent implements feedback mechanisms where the BIA module continuously measures skin impedance and transmits data to the control processor, which then adjusts LED parameters in real-time based on the measured skin conditions, creating a closed-loop control system that optimizes skin care effectiveness dynamically.
3Measurement precision
If BIA module and camera integration are added for AI-based diagnosis, then diagnostic precision is improved, but device complexity and manufacturing difficulty increase
Solution Approach 1:
The patent combines the BIA module, camera module, control processor, and LED module into an integrated skin care device where all components work together as a unified system. The merging of these functions allows for synergistic operation where image data and impedance measurements are processed together by the AI algorithm to provide comprehensive skin diagnosis and personalized treatment recommendations.
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 a customizable and effective skin care diagnostic system that maintains skin moisture and treats wrinkles and whitening effectively, creating a new market fusion in wearable devices and bio-healthcare with AI-based control.
Implementation Method 1
a Bioelectrical Impedance_analysis_(BIA) module for sensing the bioelectrical impedance generated by flowing fine current to a stretchable circuit board varied in shape according to contraction and relaxation to thus measure moisture content of a skin surface
Implementation Method 2
an LED module on which micro-LEDs are mounted in an array
Implementation Method 3
there are tries to newly develop various products such as a low-power flexible display product using micro-LEDs and an external attachment skin treatment product
Data Source
AI summary
The present invention provides a skin care diagnostic system characterized in that an LED light path is linked to a user terminal device having: a camera module for capturing an image of a skin surface; and a skin care service application generating control solution information of the LED light patch by analyzing the image captured by the camera module and an impedance measurement value received from the LED light patch. The LED light patch comprises: a BIA module for sensing the bioelectrical impedance of the skin surface; a BLE module for transmitting the impedance measurement value measured by the BIA module and receiving the control solution information of the LED light patch; a battery module comprising a thin-film battery; an LED module on which micro-LED devices are mounted in an array; and a control processor performing area-specific control, dimming control, wavelength control and user-selected care time control of the LED module in accordance with the received control solution information.