Light Supply Method for Sleep Aid Using Time-Varying Illuminance
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Solution Overview
Problem
Sleep insufficiency and insomnia are common issues that affect mental health and daily performance, with existing treatments often having adverse side effects, necessitating an effective method for improving sleep quality.
Innovation Solution
A light supply method for electronic devices that provides sequentially and periodically varying lights, transitioning between time-varying and fixed illuminance and color temperature to stimulate brain waves, enhancing theta and delta waves for improved sleep quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If drugs are used for sleep treatment, then sleep quality can be improved, but adverse side effects occur
Solution Approach 1:
The patent replaces chemical drug treatment with a physical light therapy system. The light source module emits specific wavelengths (blue light around 468nm and green light around 530nm) to stimulate brain wave production, substituting mechanical/optical means for chemical pharmacological intervention, thereby avoiding adverse side effects while maintaining sleep improvement efficacy
Solution Approach 2:
The system dynamically adjusts light emission parameters including wavelength (468nm blue, 530nm green), intensity, and duration based on different usage scenarios (sleep aid mode, wake-up mode, relaxation mode). This parameter optimization ensures effective brain wave stimulation while minimizing any potential harmful effects from light exposure
2Productivity
If continuous light is provided to maintain alertness, then concentration can be improved, but sleep quality deteriorates
Solution Approach 1:
The light source module operates in periodic cycles rather than continuously. During daytime, it provides intermittent light stimulation to maintain alertness; before bedtime, it transitions to dimming or turning off the light. This periodic operation pattern allows the system to improve concentration during work hours while preserving sleep quality during nighttime, avoiding the trade-off between the two
Solution Approach 2:
The system dynamically adjusts light emission based on time of day and user needs. The driver controls the light source to provide higher intensity during daytime for concentration, and gradually reduces intensity or turns off before bedtime to facilitate sleep. This dynamic adaptation resolves the contradiction by making the system responsive to different temporal contexts
Data Source
AI summary
A light supply method is provided. The light supply method includes: providing a first driving signal in a first time interval by a driver and providing a first time-varying light by a light source module in response to the first driving signal; providing a second driving signal in a second time interval after the first time interval by the driver and providing a first fixed light by the light source module in response to the second driving signal; and providing a third driving signal by the driver in a third time interval after the second time interval and providing a second time-varying light by the light source module in response to the third driving signal.