Enhanced Spectrally and Spatially Modulated Illumination System for Circadian Rhythm Regulation

Publication ID: 24-11857732_0001_PTD
Published: October 28, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Enhanced Spectrally and Spatially Modulated Illumination System for Circadian Rhythm Regulation,” Published Technical Disclosure No. 24-11857732_0001_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857732_0001_PTD
This technical disclosure describes improvements that would be readily apparent to a Person Having Ordinary Skill In The Art (PHOSITA) when considered in combination with the foundational architecture disclosed in U.S. Patent No. 11,857,732.

Summary of the Inventive Concept

A comprehensive illumination system that dynamically adjusts spectral and spatial distribution of light based on time of day, user preference, and sleep patterns to optimize human circadian rhythms.

Background and Problem Solved

The original patent disclosed a lighting device that provides adjustable spectral and spatial illumination to facilitate or coordinate with human circadian rhythms. However, it has limitations in terms of dynamic adjustment, user profiling, and personalized illumination. The new inventive concept addresses these limitations by incorporating advanced features that enhance the system's adaptability, user-centricity, and effectiveness in regulating human circadian rhythms.

Detailed Description of the Inventive Concept

The new system consists of a plurality of LED light sources with adjustable melanopic ratios, a user profiling module, and a lighting control module. The system dynamically adjusts the spectral and spatial distribution of the illumination based on the time of day, user preference, and sleep patterns. The user profiling module generates a user-specific illumination profile based on the user's sleep patterns, activity levels, and preferences. The lighting control module adjusts the illumination provided by the system based on the user-specific profile. The system also integrates with wearable devices that track the user's sleep patterns and adjusts the illumination accordingly. The luminaire provides indirect illumination from the upper portions of the visual field of an observer, enriched in melanopic light during the day and depleted in melanopic light at night.

Novelty and Inventive Step

The new claims introduce the concept of dynamic adjustment of spectral and spatial distribution of light based on time of day, user preference, and sleep patterns, which is not present in the original patent. The incorporation of user profiling, wearable device integration, and personalized illumination profiles are also novel and non-obvious features that distinguish the new inventive concept from the original patent.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include the use of different types of light sources, such as organic LEDs or lasers, or the integration of other sensors, such as ambient light sensors or motion detectors. The system could also be adapted for use in various environments, such as homes, offices, or public spaces, or for specific applications, such as healthcare or education.

Potential Commercial Applications and Market

The enhanced spectrally and spatially modulated illumination system has significant commercial potential in the lighting industry, particularly in the areas of smart home automation, healthcare, and education. The system's ability to regulate human circadian rhythms could lead to improved sleep quality, enhanced productivity, and better overall health and wellbeing. The market for such a system is substantial, with potential customers including homeowners, healthcare providers, educational institutions, and commercial property owners.

CPC Classifications

SectionClassGroup
A A61 A61M21/02
A A61 A61N5/0618
H H05 H05B45/20
A A61 A61M2021/0027
A A61 A61M2021/0044
A A61 A61M2205/3368
A A61 A61M2205/3375
A A61 A61M2205/587
A A61 A61N2005/0651
A A61 A61N2005/0663
F F21 F21S6/003
F F21 F21V1/00
F F21 F21Y2113/13
F F21 F21Y2115/10
H H05 H05B47/16
H H05 H05B47/19

Field of Art

Illumination systems and human circadian rhythm regulation, involving LED lighting technologies, spectral modulation, and physiological lighting design. Requires expertise in photobiology, optical engineering, and human-centric lighting systems

Person of Ordinary Skill (PHOSITA) Profile

An electrical engineer or photonics specialist with advanced knowledge of LED technologies, spectral engineering, circadian rhythm research, and adaptive lighting control systems. Familiar with human-centered design principles and biomedical lighting applications

Obviousness Rationale

A PHOSITA would recognize that dynamic, personalized lighting systems are a natural progression from static circadian-focused illumination technologies. The integration of user profiling, wearable device tracking, and adaptive spectral modulation represents predictable technological extensions of the source patent's foundational circadian lighting concepts. These variations demonstrate incremental improvements using standard engineering design methodologies and readily available sensor and control technologies.

Obvious Combinations & Variations

Source Patent Element
LED-based lighting device with adjustable melanopic ratios
PTD Variation
Dynamic adjustment of spectral and spatial distribution based on time of day and user preference
Obviousness Reasoning
Predictable design evolution using known control system techniques and readily available sensor technologies
Source Patent Element
Indirect illumination from upper visual field
PTD Variation
Integration with wearable devices to track sleep patterns and automatically adjust illumination
Obviousness Reasoning
Logical combination of existing circadian lighting principles with emerging IoT and personal tracking technologies
Source Patent Element
Lighting device with multiple LED color sources
PTD Variation
User profiling module generating personalized illumination profiles based on individual sleep and activity patterns
Obviousness Reasoning
Application of well-known personalization techniques to existing lighting control methodologies
Source Patent Element
Spectrally modulated illumination for circadian rhythm coordination
PTD Variation
Dynamically varying spectral outputs, spatial distributions, and relative intensities based on local time
Obviousness Reasoning
Incremental improvement using standard control system design principles and known lighting modulation techniques
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857732 and the disclosed variations, a person of ordinary skill in the art would find the claimed innovations obvious and lacking inventive step. The published technical disclosure demonstrates that the claimed system represents a predictable combination of known lighting technologies, control methodologies, and personalization techniques that would be apparent to a skilled practitioner in the field of circadian-focused illumination systems.

Original Patent Information

Patent NumberUS 11,857,732
TitleLuminaires, systems and methods for providing spectrally and spatially modulated illumination
Assignee(s)Biological Innovation and Optimization Systems, LLC