Posts tagged LCD
Printed Electronics Now: Nanosys, DIC and Inkjet Printed Quantum Dots

David Savastano of Printed Electronics Now recently sat down with Nanosys and DIC executives to discuss their successful collaboration to develop ink jet printed Quantum Dots for displays. The breakthrough could change the way displays are made, bringing better efficiency and color to displays of all types from LCD to OLED to microLED. According to Russell Kempt, Nanosys Vice President of Sales and Marketing:

“We expect to see the first printed devices in the market within the next two years,” Kempt added. “Looking ahead, printed quantum dots can also help solve manufacturing yield issues for microLED displays, which today rely on a complex ‘pick and place’ process to create all three colors from millions of individual LEDs. With printed quantum dots we can simply the system, accelerating microLED technology’s path to market over the next couple of years.

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Display Daily: Quantum Dot Display Technology Coming to LCD's Rescue

Sweta Dash from DisplayDaily explains how Quantum Dots are enabling LCDs to match or even out perform competitors by providing higher peak brightness, wider color gamut and better image quality. These are all the crucial requirements for the best UltraHD HDR experience:

"After CCFL-based TV sets reached market maturity and growth slowed down, LED-based LCD TV created a growth cycle by boosting replacement demand. The winning formula was “good enough picture quality” with “competitive price”. It not only changed the TV market, it also spilled over to all other application markets such as monitor, notebook, industrial, medical and others and that strengthened the LCD technology and production base. Quantum dot technology has the same potential to enable LCD to create a growth cycle and drive replacement demand.

TV manufacturers are shifting to higher resolutions to offer better picture quality. But adoption of WCG and HDR with 4K resolutions really helped consumer to see the visual quality differences and experience it. Quantum dot enhanced backlight light in LCD TV takes it to the next level with an even wider range of colors and luminance."

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NanosysQuantum Dot, OLED, Samsung, LCD, HDR
ZDNet looks at how Quantum Dot LCD competes with OLED

But what if the existing LCD technology could be massively improved, without having to throw out the existing manufacturing plant and methods? This is exactly what can be done by replacing the older (inorganic) White LED edge-illuminated backlights with backlights based on quantum dot technology. 

Nanosys, the leading company in this field, calls [this] QDEF (Quantum-Dot Enhancement Film).

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Jeff YurekQuantum Dot, OLED, LCD, ZDNet
Quantum Dots Enable High Dynamic Range TV

On the show floor at SID 2014, Nanosys' 10-foot-by-10-foot booth won a Best in Show award in the small exhibit category.  Nanosys, which makes the quantum dots used in 3M's quantum-dot enhancement film (QDEF), was showing two TV sets side-by-side: one was a conventional LCD TV; the second incorporated both QDEF and Dolby's HDR technology, and the image was compelling. But what does QDEF have to do with HDR?

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Nanocrystals in their prime

Research into nanocrystals has recently been translated into the production of commercial devices. In May 2011, the company Nanosys announced a product called the Quantum Dot Enhancement Film6. This is a thin layer of quantum dots that convert the blue light of a GaN light-emitting diode into bright colours and can be used in liquid-crystal displays. Furthermore, the Amazon Kindle uses quantum dot technology for enhanced definition.

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Forbes: Apple Paving The Way To 'Revolutionary' iPhone Display with Quantum Dots

Display experts, Displaymate, say QDs will revolutionize LCD displays over the next five years, bringing them on a par with the OLED screens favored by Apple’s main competitor.

Quantum Dot is an enhancement film layer that improves the color performance of LCD screens, like the Retina. It can also be used to enhance the color performance of TVs. Quantum Dot technology has the advantage of being able to work with existing display production lines – it’s a drop-in technology with no significant capital investment required.

What’s doubly interesting is that there are already  quantum dot technologies on the market. I wrote back in the summer that inventors Nanosys and fabricator 3M were ready to roll with quantum dot enhancement film (QDEF).

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DisplayMate: 2014 Innovative Displays and Display Technologies Smartphones, Tablets, TVs, and Wearable Displays

In 2014 the most significant development for high-end LCDs will be the increased adoption of Quantum Dots by many more manufacturers, which will improve the Color Gamut, Color Accuracy, display power efficiency, brightness and/or the running time on battery for mobile displays.

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CNET: Apple needs to catch Samsung, Amazon in displays, Quantum Dots the key innovation

"Apple has recently given up the lead in displays -- now Amazon, Google, LG, and Samsung are launching products with the best and most innovative displays."

He cited the example of an emerging LCD technology called Quantum Dots that Amazon has tapped for the Kindle Fire HDX 7 (now $199 at Amazon).

"Quantum Dots are going to revolutionize and reenergize LCDs for the next 5+ years," he wrote. "While they have been under development for many years, in 2013 they made it out of the labs and into consumer products: in some models of Sony Bravia TVs...and in the Amazon Kindle Fire HDX 7, with Quantum Dots from Nanosys," he said.

Quantum Dot displays produce highly saturated primary colors that are similar to those produced by OLED displays, according to Soneira.

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Touch Display Research Forecasts Quantum Dot Display and Lighting Component Market to Reach $9.6 Billion by 2023

“Quantum dot could improve Liquid Crystal Display (LCD) dramatically in terms of color gamut, color accuracy and reducing power consumption. This is one of the biggest breakthrough technologies for LCD in recent several years. Now quantum dot LCD is challenging AMOLED,” said Dr. Jennifer Colegrove, president and analyst of Touch Display Research Inc. “We forecast quantum dot components will have a rapid penetration into LCDs from 2014 to 2023.”

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3M and Nanosys to Bring More Color to Consumer Electronic Devices

ST. PAUL, Minn.--3M announced today it is in the final stages of scale-up for its new 3M™ Quantum Dot Enhancement Film (QDEF). The new film allows up to 50 percent more color than current levels in liquid crystal display (LCD) devices. 3M has teamed with Nanosys, Inc., to produce the 3M QDEF solution specifically to deliver more color, and to make devices such as smart phones, tablets and televisions, lighter, brighter and more energy efficient.

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