Blue LED Module With NIR Phosphor for ATP-Promoting Lighting

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

Existing LED lighting technologies do not effectively incorporate photobiomodulation functions to enhance biological effects on humans and living organisms, particularly in promoting ATP generation through near-infrared light emission.

Innovation Solution

An LED module is designed with a blue LED emitting blue light and a near-infrared wavelength conversion material, such as Ca(Al12-x-y,Gay)O19:xCr3+, excited by blue light to emit light in the 740 nm to 900 nm range with a full width at half maximum (FWHM) of 120 nm or less, combining with visible light to form colored light and enhance biological effects.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If conventional LED lighting is used to provide illumination, then lighting function is achieved, but photobiomodulation function to promote ATP generation is not effectively incorporated

Engineering Contradiction:

Improvephotobiomodulation functionVSAvoidnear-infrared light intensity

Core Design Contradiction:

Adaptability or versatilityVSLoss of energy

Solution Approach 1:

The patent applies parameter changes by selecting specific phosphor materials with defined emission characteristics (peak wavelength 740-900 nm and FWHM ≤120 nm) to convert blue LED light into near-infrared light with optimized parameters for ATP generation, thereby enhancing photobiomodulation function while maintaining energy efficiency

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The patent uses composite materials by combining blue LED chips with specific near-infrared phosphors (such as CaAlSiN3:Eu2+ or CaAlSi2N3:Eu2+) to create an integrated LED module that simultaneously provides illumination and photobiomodulation functions, converting electrical energy to both visible and near-infrared light

Inventive Principle:

Principle #40Composite materials

2Adaptability or versatility

If near-infrared wavelength conversion material is added to emit light in 740 nm to 900 nm range, then ATP generation is promoted, but device complexity increases

Engineering Contradiction:

Improvebiological effect enhancementVSAvoidLED module structure

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent merges the illumination function and photobiomodulation function into a single LED module by integrating blue LED chips with near-infrared phosphor materials, allowing both visible light emission and near-infrared emission from one compact device without requiring separate light sources

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The patent uses near-infrared phosphor materials as intermediary substances that absorb blue light from the LED and convert it to near-infrared light with specific wavelength characteristics, mediating the energy transformation to achieve photobiomodulation effects

Inventive Principle:

Principle #24Intermediary (Mediator)

3Illumination intensity

If blue light intensity is increased to maintain color rendering, then visible light output is improved, but blue light hazards increase

Engineering Contradiction:

Improvevisible light outputVSAvoidblue light hazard

Core Design Contradiction:

Illumination intensityVSObject-affected harmful factors

Solution Approach 1:

The patent converts potentially harmful blue light into beneficial near-infrared light by using near-infrared phosphor materials that absorb blue light and re-emit it at safer wavelengths, transforming the blue light hazard into a therapeutic photobiomodulation effect while maintaining overall illumination quality

Inventive Principle:

Principle #22Blessing in disguise (Convert harm into benefit)

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 LED module significantly increases the intensity of near-infrared light, promoting ATP generation in cells by increasing the integrated light amount in the 740 nm to 900 nm band, while maintaining a high color rendering index and reducing blue light hazards.

Implementation Method 1

a near-infrared wavelength conversion material that is configured to be excited by the blue light to emit additional light having a peak wavelength in a range of 740 nm to 900 nm

Methodology Applied

Scientific EffectPhotoluminescence: Photoluminescence

Implementation Method 2

a blue light emitting diode configured to emit blue light having a first peak wavelength of 420 nm to 465 nm

Methodology Applied

Scientific EffectElectroluminescence: Electroluminescence

Data Source

PatentUS12535191B2LED module and lighting apparatus

Publication Date: 2026.01.27 SAMSUNG ELECTRONICS CO LTD

AI summary

A light emitting diode (LED) module that is configured to emit white light is provided. The LED module includes: a blue light emitting diode configured to emit blue light having a first peak wavelength of 420 nm to 465 nm; and a near-infrared wavelength conversion material that is configured to be excited by the blue light to emit additional light having a peak wavelength in a range of 740 nm to 900 nm, and further having a full width at half maximum (FWHM) of 120 nm or less. The near-infrared wavelength conversion material includes Ca(Al12-x-y,Gay)O19:xCr3+ (0≤x≤1, 0≤y≤6).