Dynamic Blue Light Filtering for Display Aesthetics
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Solution Overview
Problem
Existing solutions for reducing blue light exposure, which affect sleep patterns, often alter the aesthetic appearance of electronic device displays unnecessarily, especially when ambient blue light sources are present, negating the effectiveness of blue light filtering and degrading the user experience.
Innovation Solution
A system that senses ambient light conditions and user device activity to dynamically adjust the blue light filtering of connected devices, ensuring the blue light emission from these devices remains below a certain percentage of the total ambient blue light, thereby minimizing disruption to the user's circadian rhythms without compromising the display's aesthetic quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If manual or automatic color filtering is applied to reduce blue light exposure, then blue light exposure is reduced, but the aesthetic appearance of the display is negatively altered
Solution Approach 1:
The patent implements dynamic adjustment of color filtering based on ambient blue light conditions. The system continuously monitors ambient blue light levels and adjusts the display's color filter accordingly, transitioning from static filtering to adaptive filtering that responds to environmental conditions, thereby reducing unnecessary aesthetic degradation while maintaining circadian rhythm protection
Solution Approach 2:
The system employs feedback mechanisms by sensing ambient blue light levels and using this information to adjust the display's color output. The ambient light sensor provides continuous feedback about the environmental lighting conditions, allowing the system to intelligently modulate the blue light filter strength to balance health benefits with visual quality
2Reliability
If blue light filtering is applied based on time of day, then circadian rhythm protection is provided, but the filter remains active even when ambient blue light sources are present, reducing effectiveness
Solution Approach 1:
The system performs self-adjustment by automatically detecting ambient blue light conditions and modifying its filtering behavior accordingly. Rather than relying solely on predetermined time-based schedules, the display system autonomously assesses the actual lighting environment and adapts its blue light output to maintain effective circadian protection dynamically
Solution Approach 2:
The patent changes the operational parameters of blue light filtering from fixed time-based schedules to dynamic environment-based adjustment. By monitoring ambient blue light levels and adjusting the filter strength parameter in real-time, the system optimizes circadian protection effectiveness based on actual conditions rather than assumed conditions
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
Effectively reduces blue light exposure during critical sleep hours while maintaining the visual appeal of electronic device displays by adaptively filtering blue light based on ambient conditions and user activity, thus promoting better sleep quality without unnecessary aesthetic impact.
Implementation Method 1
modifying an image based on ambient light and sleep patterns to influence the human circadian system
Data Source
AI summary
A method and apparatus filter light spectrum. Ambient light conditions of light that is ambient to a user device can be sensed. Ambient light color conditions can be determined based on the sensed ambient light conditions. User device charging times when the user device is being charged can be monitored. User device motion including movement of the user device can be monitored. User device activity can be monitored. Color-modified image display times can be ascertained from at least one selected from the user device motion, the user device activity, and the user device charging times. A color-modified image can be generated based on at least the ambient light color conditions and the color-modified image display times. The color-modified image can be displayed.