Rachel A. Cassidy, PhD, MBA

VP of Patent Licensing | GE Licensing
Rachel Cassidy

Market Leading Wide Color Gamut, Narrow Band Phosphors by GE & Path Towards Enabling Next Generation Displays

Walk into your local electronics store and the red color emitting from many of the displays will be GE phosphor technology. Since first being introduced into the display industry in 2014, the red-line emission of K2SiF6:Mn4+ phosphor (PFS/KSF) centered at 631 nm has become the market leading wide color gamut solution for 4K UHD TVs, tablets, phones, monitors and laptops. KSF provides a cost effective, on-chip LED solution for wide color gamut displays that is RoHS compliant. As opposed to OLED or quantum dot containing displays, KSF-based LEDs are a drop-in replacement in LCD BLUs and do not require additional remote films and/or barrier encapsulants to achieve excellent reliability. This presentation will discuss the technology and licensing strategy that have enabled this success and the path forward around integration into future displays with higher color gamut (>90% BT.2020) and additional functionality (minileds, remote films, microleds) versus current HDR 4K/8K displays. Although the narrow-band emission of KSF enables improved brightness and wider color gamut relative to InP QDs, a more narrow-band emitting green phosphor continues to be a need in the display industry. An update on GE’s efforts around narrow-band green phosphor development will also be presented.


Rachel A. Cassidy, PhD, MBA is VP of Patent Licensing at General Electric, Licensing. Rachel has almost 20 years of licensing and business experience at GE, Becton Dickinson, and other organizations.

Rachel manages intellectual property (IP) assets for value optimization and leads business development for the GE Phosphors team.

Rachel obtained her BS in Biochemistry/Biophysics at Rensselaer Polytechnic Institute. She went on to earn her PhD in Biophysics and Biophysical Chemistry from Johns Hopkins University. Rachel then rounded out her education with an MBA from the University of Maryland. Rachel is a Registered Patent Agent, and a member of the Licensing Executives Society (LES).