Quantum Dot Enhancement Film (QDEF) Nanosys Quantum Dot Enhancement Film, or QDEF, is an optical film component for
LED driven LCDs. Each sheet of QDEF contains trillions of tiny
Quantum Dot Phosphors. QDEF enables
LED-backlit LCDs to be brighter and more colorful by providing a high quality, tri-color white light from a standard blue
LED light source. Larger than a water molecule, but smaller than a virus, these tiny phosphors convert blue light from a standard
Gallium Nitride (GaN) LED into different wavelengths based upon their size. Larger dots emit longer wavelengths (red), while smaller dots emit shorter wavelengths (green). Blending together a mix of dot colors allows Nanosys to precisely engineer a new spectrum of light to customer specifications. In 2020, Nanosys announced a supply agreement with Shoei Chemical, a Japan-based producer of
nanoparticles, under which the latter became the sole manufacturing partner of QD materials.
QuantumRail Announced just after CES in January 2010 as part of a commercial agreement with Korean consumer electronics manufacturer and
LG subsidiary
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