Configurable Lighting System with Dynamic LED Arrays
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Solution Overview
Problem
Conventional lighting systems lack flexibility in simulating natural circadian rhythms, as they often have static spectral power distributions, which can disrupt biological processes and fail to adapt to user preferences or health needs.
Innovation Solution
A lighting system with multiple LED arrays and a power circuit controlled by a device that adjusts power distribution based on a real-time clock and defined light profiles, allowing for dynamic adjustments in color temperature and intensity to mimic natural light cycles or user-specific preferences.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional lighting systems with static spectral power distributions are used, then device complexity is reduced, but adaptability to circadian rhythms and user preferences deteriorates
Solution Approach 1:
The lighting system transitions from static to dynamic operation by continuously adjusting spectral power distribution and intensity based on real-time circadian rhythm data and user preferences, enabling the system to adapt to changing biological and environmental conditions
Solution Approach 2:
The system incorporates feedback mechanisms that monitor circadian rhythm patterns, user preferences, and environmental conditions to automatically adjust lighting parameters, creating a closed-loop control system that maintains optimal adaptability
2Adaptability or versatility
If multiple LED arrays with different color temperatures are used, then spectral power distribution flexibility is improved, but device complexity increases
Solution Approach 1:
The lighting system is divided into multiple independent LED arrays, each capable of emitting specific color temperatures or spectral ranges, allowing selective activation and combination to achieve desired spectral power distributions
Solution Approach 2:
Each LED array is designed to serve multiple functions by emitting different color temperatures or spectral characteristics, enabling a single array to replace what would traditionally require multiple specialized light sources
3Adaptability or versatility
If dynamic power distribution adjustment is implemented, then circadian rhythm support is improved, but energy consumption increases
Solution Approach 1:
The system implements periodic adjustment patterns that align with natural circadian cycles, providing high-intensity or specific spectral content only during periods when biological rhythms require such stimulation, rather than maintaining constant high-power operation
Solution Approach 2:
The system dynamically changes operational parameters including intensity, color temperature, and spectral composition based on real-time circadian rhythm data, optimizing energy consumption by providing appropriate lighting conditions only when and where needed
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 system effectively simulates natural light cycles, enhancing user health and productivity by providing tailored light outputs based on user presence, circadian rhythms, and health data, improving the adaptability and effectiveness of lighting systems.
Implementation Method 1
Light emitting diode (LED) lighting systems can include one or more LED devices that become illuminated as a result of the movement of electrons through a semiconductor material
Data Source
AI summary
Apparatus, systems, and methods for controlling light output in a lighting system based on defined light profiles are provided. In one example implementation, a light fixture can include a first light emitting diode (LED) array having one or more LED light sources and a second LED array having one or more LED light sources. The light fixture can include a power circuit configured to provide power to the first LED array and the second LED array according to a power distribution among the first LED array and the second LED array. The light fixture can include one or more control devices configured to control the power circuit to adjust the power distribution among the first LED array and the second LED array based at least in part on a signal indicative of a real time clock and a defined light profile associated with a user identified to be present in a space illuminated by the light fixture.