Scattered-photon Extraction Based Light Fixtures | Available Intellectual Property | Rensselaer Polytechnic Institute

Scattered-photon Extraction Based Light Fixtures

RPI ID: 2007-080-401, 2007-080-601, 2007-080-602, 2007-080-603

Innovation Summary:
This suite of patented technologies introduces advanced LED light fixture designs that leverage scattered-photon extraction to significantly enhance optical efficiency, brightness, and color control. The systems integrate wavelength-conversion materials, structured optical guides, and dynamic control elements to redirect and convert light with high precision. These innovations enable tunable white light, real-time brightness adjustment, and uniform color distribution, making them ideal for a wide range of high-performance lighting applications. The designs are scalable and compatible with smart lighting systems.

Challenges / Opportunities:
Conventional LED fixtures often face limitations in light uniformity, color rendering, and energy efficiency. These inventions address these challenges by optimizing photon extraction and wavelength conversion through novel optical configurations. They open opportunities in smart lighting, adaptive environments, and premium commercial and architectural lighting markets. The technologies also support sustainability goals by reducing energy consumption and enhancing lighting quality.

Key Benefits / Advantages:
✔ Enhanced light output and optical efficiency
✔ Uniform color distribution and high brightness
✔ Tunable color temperature and real-time brightness control
✔ Compact, scalable, and energy-efficient designs
✔ Compatible with smart lighting and control systems
✔ Applicable across diverse lighting formats and environments

Applications:
• Smart and adaptive lighting systems
• Commercial and architectural lighting
• Automotive headlights and interior lighting
• Display backlighting and consumer electronics
• Stage, studio, and retail lighting

Keywords:
#LEDlighting #PhotonExtraction #WavelengthConversion #OpticalEfficiency #TunableLighting #ColorControl #SmartIllumination

Intellectual Property:
US Issued Patents 8,646,927; 9,103,534; 9,746,142; 10,527,258
Patent Information:
Inventors:
Jean Paul Freyssinier
Yimin Gu
Nadarajah Narendran
Yiting Zhu
Keywords:
For Information, Contact:
Natasha Sanford
Licensing Associate
Rensselaer Polytechnic Institute
sanfon@rpi.edu