Posts tagged Quantum Dots
Electroluminescent Quantum Dots are Coming Sooner Than You Think

Scott Wilkinson, writing for AVS Forum on the QDEL paper Nanosys and LG Display co-authored for SID DisplayWeek:

“Quantum dots are the hottest thing to hit display technology in a very long time. These nano-scale particles emit light at very specific wavelengths in response to various stimuli. They can be used in several ways within video-display devices, some of which are now available to consumers, while other applications are still under development…

Among the companies at the forefront of this effort is Nanosys. Its photoluminescent quantum dots (PL QDs) are used in LCD TVs from Hisense, JVC, Philips, Samsung, TCL, and Vizio as well as computer monitors from Acer, ASUS, HP, and Philips. But the company knows that EL QDs are the ultimate future of QD-based displays.

In collaboration with LG Display—LG’s panel-manufacturing and R&D subsidiary, not to be confused with LG Electronics, which markets finished TVs—Nanosys will present a major paper on the subject of EL QDs at DisplayWeek 2019, the annual confab of SID (Society for Information Display).”

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OLEDs, Quantum Dots Make Gains in the Display Market

Printed Electronics Now's Dave Savastano recently caught up with Russell Kempt, Nanosys VP of Sales, for an update on Quantum Dot technology in the TV market:

“More than half of the premium TVs sold in the US over the last 12 months featured quantum dot technology from Nanosys,” said Russell Kempt, VP of sales and marketing for Nanosys. “As the costs of adopting quantum dots have come down it is now becoming possible for set-makers to waterfall the technology across their product lineups. As a result, we’re beginning to see quantum dot technology entering the mainstream market for TVs with several 65” TV products available below $1,500 by the end of this year.”

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Nanosys at OLEDs World Summit

Quantum Dots are changing the way displays are made. Today, this unique nanomaterial is perfecting LCD displays, enabling a new generation of brighter, more efficient televisions with lifelike colors. This has given LCD technology an important edge as it battles new TV display entrants such as WOLED. What’s next for this novel nanotechnology?

Join Dr. Ruiqing Ma at the OLED World Summit 2018 on September 19, 2018 at 10:00am to learn about the evolving use of Quantum Dots for OLEDs and micro-LED displays, and how they are being developed as emitter materials for future printable electroluminescent displays.

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Hitachi Chemical: QDEF Adopted for VIZIO P Quantum TVs

Tokyo, Japan, August 6, 2018 Hitachi Chemical Co., Ltd. announces the adoption of its quantum dot film with a wider color gamut of liquid crystal displays for the new quantum dot “P-Series Quantum 65” 4K televisions (to be released in July 2018) produced by the American TV manufacturer VIZIO, Inc. This quantum dot film is designed to reduce the environmental load in accordance with the European Union’s Restriction of Hazardous Substances (RoHS) Directive.

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IEEE Spectrum: Printing Quantum Dot Displays to be as Cheap as Printing a T-Shirt

Nanosys executives caught up with IEEE Spectrum during the Economist's Future Materials Summit earlier this month for a conversation on the future of printed Quantum Dot displays:

“If we can get the cost of making a display down to $100 per square meter, which is basically the same cost as printing a high-reolution poster or printing a T-shirt, then displays could be everywhere,” said Russell Kempt, vice president of sales and marketing at Nanosys. “That’s our vision and we believe that the quantum dot material is the only material that has the opportunity to achieve this.”

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Nanosys Vice President Russell Kempt to present on innovations in next-generation Quantum Dot display technology at The Economist’s 2017 Future of Materials Summit

Milpitas, Calif., November 7, 2017 – Nanosys, the Quantum Dot company, today announced Russell Kempt, Nanosys Vice President, will be a featured speaker at The Economist’s Future Materials Summit in Luxembourg, November 14, 2017.

Mr. Kempt will join the “Consumer Goods” panel on Tuesday, November 14 at 2:00-3:00 PM CET to provide an update on how Nanosys Quantum Dots, the colorful light-emitting nanocrystals inside popular QLED televisions, are enabling new low-cost printing techniques that will make tomorrow’s ultra-thin, flexible displays possible.

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Quantum Dots can improve display efficiency by 75% in bright rooms according to DisplayMate

Ray Soneira, the display expert behind DisplayMate, posted a piece on test results of Samsung's latest Quantum Dot TVs in real world ambient light. He found that Quantum Dots can help boost a display's power efficiency by 75% by maintaining color accuracy in bright ambient light with lower brightness:

"Since ambient light washes out the on-screen colors, the first step is to enlarge the Native Color Gamut of the display as much as possible. Quantum Dots, which is the technology used in the Samsung 65Q9 TV, can now further expand the Native Color Gamut very efficiently ...

A major advantage for using this advanced technology rather than the current brute force method of just increasing the Picture Brightness in ambient light is that it can produce the same vibrant on-screen colors in ambient light with 75 percent less display power up through 2,000 lux, which is very important for TV energy efficiency, and also very important for Smartphones because they depend on limited battery power."

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InsightMedia looks at Quantum Dots impact on HDR in an extensive, free white paper

Author Chris Chinnock, takes a close look at all the competing technologies that are vying to bring next generation video features like HDR and Wide Color Gamut into your living room. According to him, "quantum dot technology is clearly the front runner for achieving the high color gamuts." 

Head over to their site to download a free copy of this exhaustive 50+ page report for free!

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Nanosys Quantum Dot Enhancement Film wins 5th Consecutive award at SID DisplayWeek with another "Best In Show"

Nanosys also won an award in the small-exhibit category for its quantum-dot TVs.  Nanosys’s Display Week demonstration included three matched 65-in. UHD TVs (Fig. 6).  Each of the sets used the same color filters, underlying LEDs and direct-lit backlight structures.  They were also driven at the same settings from the same content.  The only difference was in the phosphor used to create white light in the backlight.  These were: conventional white LEDs, Nanosys’s Quantum-Dot-Enhancement Film, and Nanosys’ Cadmium-Free Quantum-Dot- Enhancement Film.  The differences in color performance without noticeable brightness loss were striking.  Rec.2020 color-gamut coverage ranged from <60% for the white LED set to ~75% for the set with cadmium-free quantum dots to >90% for the set with quantum dots.  This demonstration showed that cadmium-based quantum dots have a significant performance advantage over other phosphor materials and that Rec.2020 is achievable today. •

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IEEE: What the heck are Quantum Dots?

It wouldn’t be CES without an attempt to launch the next big thing in TV technology. The next big thing was recently supposed to be OLED TVs. That didn’t work out so well; OLED manufacturing costs haven’t come down as fast as anticipated; yields are still low for large-screen OLEDs and prices are staying high.

The next big thing for 2015, we’ll likely be told at CES, will be the quantum dot TV. Sounds pretty space-agey, for sure. But before you rush to throw out the 3D-4K-LED TV you bought last year, the one you thought was the apex of display technology (or before you ignore the news as just another lame attempt by TV manufacturers to get your attention) let’s demystify this latest “breakthrough.”

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NanosysQuantum Dots, CES 2015, IEEE, OLED, UHD, T, TV