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

Scattered-photon Extraction Based Light Fixtures

RPI ID: 2006-012-201

Innovation Summary:
This invention presents a high-efficiency LED-based light engine that optimizes the integration of LEDs with optical, thermal, and electronic components to deliver superior luminous performance. The design incorporates advanced optical mixing chambers, reflective surfaces, and thermal management strategies to maximize light output and uniformity while minimizing energy loss and heat buildup. The result is a compact, scalable, and energy-efficient lighting module suitable for a wide range of general and specialty lighting applications.

Challenges / Opportunities:
Conventional LED systems often face challenges related to non-uniform light distribution, thermal inefficiency, and suboptimal optical coupling. This invention addresses these issues by offering a system-level approach to LED light engine design, improving both performance and reliability. It opens opportunities in commercial lighting, architectural illumination, and high-performance task lighting, where energy efficiency and light quality are critical.

Key Benefits / Advantages:
✔ High luminous efficacy through optimized optical and thermal design
✔ Uniform light output with minimal color variation
✔ Scalable architecture for various lighting applications
✔ Enhanced system reliability and longer operational life

Applications:
• Commercial and industrial lighting systems
• Architectural and retail illumination
• Automotive and transportation lighting
• Medical and task-specific lighting solutions

Keywords:
#LEDlightengine #highluminousefficacy #solidstatelighting #thermalmanagement #opticaldesign

Intellectual Property:
US Issued Patent 7,703,942
Patent Information:
Inventors:
Jean Paul Freyssinier
Yimin Gu
Nadarajah Narendran
Keywords:
Coatings
defense
Materials
terahertz
Terahertz Technology
THz
For Information, Contact:
Natasha Sanford
Licensing Associate
Rensselaer Polytechnic Institute
sanfon@rpi.edu