Quantum Dots in Display Technology: U of Waterloo


QDLED 08_Bulovic_QDs_inLiquidSolutionsWIN Seminar – Dr. Zoran Popovic: Quantum Dots in Display Technology – Present and FutureExport this event to calendar

Monday, March 16, 2015 – 10:30 am to 11:30 am

The Waterloo Institute for Nanotechnology (WIN) presents a seminar by Dr. Zoran Popovic, President at ZP Technology Solutions Inc. and Research Fellow (Retired) at Xerox Corporation.

Quantum Dots in Display Technology – Present and Future

Quantum dots (QDs) have unique tunable luminescence properties with narrow spectral distributions. That makes them suitable for lightening and display applications. In this presentation the physics of quantum dot luminescence will be discussed and compared to luminescence properties of organic molecules used in OLEDs and PhOLEDs (phosorescent OLEDs). Applications of QDs will be described covering high color rendering index lights sources, liquid crystal displays with special backlights which utilize QDs to provide wider color gamut, and QD based LEDs (QLEDs). Mechanisms of QLED operation and strategies for improvement of QLED performance will also be discussed.

Seminar notice of Dr. Zoran Popovic

Host Waterloo Institute for NanotechnologyCost FreeLocation QNC – Quantum Nano Centre 1501 200 University Avenue West Waterloo, ON N2L 3G1 Canada

You May Also Want to Read:

Quantum dots are improving screens worldwide, but their cadmium content worries some

Long the object of ivory tower fascination, quantum dots are entering the commercial realm. Factories that manufacture the nanomaterials are opening, and popular consumer products that use them are hitting the market.

Behind the gee-whiz technology are three companies with three different approaches to producing and delivering quantum dots. The firms—Nanosys, QD Vision, and Dow Chemical (Nanoco) — are racing to capture a share of the emerging market, but there may not be a place for everyone at the finish line.

Developed at Bell Labs in the 1980s, quantum dots are semiconducting inorganic particles small enough to force the quantum confinement of electrons. Ranging in size from 2 to 6 nm, the dots emit light after electrons are excited and return to the ground state. Larger ones emit red light, medium-sized ones emit green, and smaller ones emit blue. Read the Full Text by Following the Link Below:

https://genesisnanotech.wordpress.com/2015/01/29/a-quantum-leap-in-display-quality-from-quantum-dots/

High-Resolution Patterns of Quantum Dots with E-jet printing: Application for High-Def QD Enabled Displays

A team of 17 materials science and engineering researchers from the University of Illinois at Urbana−Champaign and Erciyes University in Turkey have authored “High-Resolution Patterns of Quantum Dots are Formed by Electro-hydrodynamic Jet Printing for Light-Emitting Diodes.”

Their paper was published in Nano Letters, an ACS journal. They demonstrated the materials and operating conditions that allow for high-resolution printing of layers of quantum dots with precise control over thickness and submicron lateral resolution and capabilities, for use as active layers of QD light-emitting diodes.

They wrote, “Patterning QDs with precise control of their thicknesses and nanoscale lateral dimensions represent two critical capabilities for advanced applications. The thickness can be controlled through a combination of printing parameters including the size of the nozzle, the stage speed, ink composition, and voltage bias.” Read the Full Text by Following the Link Below:

https://genesisnanotech.wordpress.com/2015/01/28/high-resolution-patterns-of-quantum-dots-with-e-jet-printing-application-for-high-def-qd-enabled-displays/

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