news digest ♦ Novel Devices smartphone displays.
Quantum Materials’ patent-pending continuous-flow technology produces uniform, narrow bandwidth tetrapod quantum dots with bright emission, less aggregation, purer colours (including high-luminous red) and precise colour rendition.
The CdTe nanodisks show a continuously tuneable PL peak position, scaling with the thickness of the disks
The results were recently published in the paper, “Synthesis of Uniform Disk-Shaped Copper Telluride Nanocrystals and Cation Exchange to Cadmium Telluride Quantum Disks with Stable Red Emission,” by Hongbo Li et al in Journal of the American Chemical Society .
http://dx.doi.org/10.1021/ja404694k
QMC sends CdSe samples to Asian LCD display manufacturer
The cadmium selenide samples will be used to enhance the performance and energy efficiency of high-resolution computer, TV and smartphone displays
Quantum Materials says it has shipped CdSe Tetrapod Quantum Dots in sample quantities to a leading Asian- based electronics manufacturer.
Quantum Materials Corporation (QMC) recently developed tetrapod quantum dots to meet the client’s performance specifications.
Manufacturers are seeking to “print” tetrapod quantum dots onto backplane films in liquid crystal displays (LCD) for brighter images, larger screens and a wider gamut of colours to deliver a new visual experience in image technology.
Thinner, lighter, brighter and less expensive QD-LED displays, including portable and flexible devices, will offer almost infinite contrast levels, deep black levels and high light output with no motion blur or field-of-view issues.
Stephen B. Squires, Quantum Materials Corp’s Founder and CEO says, “Tetrapod Quantum Dots ultimately allow for lower display manufacturing costs due to their superior luminescence and much lower incidence of aggregation. Far fewer quantum dots are required to achieve the same level of performance. We believe this performance advantage coupled with our continuous- flow manufacturing technology will ensure the lowest quantum dot cost.”
David C. Doderer, vice president of research and development for Quantum Materials wrote the feature article in the July/August 2013 issue of iSP Magazine entitled “Quantum Dots: The Future of Displays”. The article details Quantum Materials’ ability to reduce the cost of quantum dot creation while ensuring uniformity in quantities sufficient to meet high volume display- manufacturing needs.
Nanomarkets’ August article “Key Quantum Dots Markets” highlighted “U.S.-based Quantum Materials Corporation” and the need for “cost-effective large-scale manufacturing techniques, which will be the key to the commercialisation of cost-effective and high-performance QDs”.
QMC’s CdSe Tetrapod Quantum Dots. Left: Luminescent Vials show colour varies with QD size. Right: Tetrapod Quantum Dots by Electron Microscope
Tetrapod Quantum Dots are an advanced nanoscale material that improves the performance and energy efficiency of very high-resolution computer, TV and
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www.compoundsemiconductor.net August/September 2013
Susan Eustis of Wintergreen Research stated in their 2013 report, “Quantum Dot and Quantum Dot Display (QLED) - Markets Reach $6.4 billion by 2019” that “Once manufacturers learn to integrate higher efficiency luminescent quantum dots into their products, each vendor will need to follow or dramatically lose market share. This level of change brought by quantum dot and quantum dot displays (QLED) represents a new paradigm that will create new industries, products and jobs in science and industry.”
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