Lead Performer: PhosphorTech Corporation – Kennesaw, GA
DOE Total Funding: $998,802
Project Term: April 10, 2017 – April 9, 2019
Funding Type: SBIR

This project will seek to develop high-performance hybrid inorganic downconverting material systems for high-brightness LEDs. Achieving higher luminous efficacy in phosphor-converted LEDs requires breakthroughs in downconverting materials that provide high conversion efficiency, tunable narrow-bandwidth emission, and good temperature/chemical stability. To achieve these goals, PhosphorTech and its partners propose the development of high-performance hybrid inorganic downconverting (HID) material systems for high-brightness LED applications.

While conventional bulk phosphors are currently the dominant downconverters used in high-power SSL applications, their performance is limited by intrinsic properties such as high-scattering cross-sections and large emission bandwidth. By designing a complete inorganic hybrid system as proposed, PhosphorTech believes that the new HID materials will outperform bulk phosphors, nanocrystals, and conventional quantum dots, and that they’ll enable a new generation of SSL devices with high luminous efficacies, high color and thermal stability, and spectral efficiency near the theoretical maximum luminous efficacy of radiation, as a result of their color tunability and narrow bandwidths (FWHM < 30nm).

DOE Technology Manager: James Brodrick, James.Brodrick@ee.doe.gov
Lead Performer: Hisham Menkara, PhosphorTech Corporation