Quantum Dots - Page 4

TCL collaborated with perovskite QD film developer Zhijing Nanotech to produce 500 75-inch QD-enhanced LCD TVs with Zhijing's PQDF films. This is likely to be the world's first commercial adoption of pQD films in the display industry, as the TVs were sold successfully in China and Zhijing hopes to achieve a mass production design win with TCL in 2021

The company reports that the TVs featured a wide color gamut, 147% BT709 - which is higher than most QD TV's on the market, and higher than TCL's original 75M10 TVs. The green Cadmium-free pQD films have excellent optical properties and offer lower cost compared to current QD solutions, according to Zhijing Nanotech.

Notion Systems, MBraun and the Fraunhofer Institute for Applied Polymer Research (Fraunhofer IAP) are co-developing new inkjet production technologies, aimed for the display market - specifically for OLED, QD and microdisplays.

The three partners are combining their respective competencies to present themselves together as a partnership supplier off all-in-one solutions. The Fraunhofer IAP is developing custom-made processes for display manufacturing with tailor-made inks. To achieve an industrial-scale best-in-class process solution, the parties are looking into all major pre-and post-processing steps, the substrate and the production equipment such as the inkjet print head.

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Korea's The Elec says that Samsung Display aims to start trial runs at its QD-OLED 8.5-Gen production line next month (December 2020).

SDC will brand these displays as QD Displays. The first generation ones will adopt SDC's current hybrid QD-OLED architecture, but later ones may adopt QNED (quantum-rods) emitters. In any case, SDC's plan is to start mass production by the end of 2021, in the first line (15,000 monthly substrates). SDC is also planning a second line to follow the first, to arrive at a total of 30,000 monthly 8.5-Gen substrates.

BOE has unveiled a new display, a 55" 4K quantum-dots panel, which it calls AMQLED (active-matrix Quantum Dot LED) display. This display uses electroluminescent QD technology - which is similar to OLEDs but with QD emitters. BOE says the display achieves a color gamut of up to 119% NTSC, and a contrast ratio of 1000000:1.

The reports claims that BOE launched this as a commercial product, but the details are not clear. This technology has been under development for many years, but it hasn't reached the performance required by commercial products, so this is a bit puzzling, hopefully we'll learn more soon.

According to UBI Research from Korea, Samsung Display has managed to improve its quantum dots nanorod LED (QNED) technology, and the company aims to start buying production equipment next year.

Apparently SDC's plan is to replace the fluorescent blue emitters in its QD-OLED TV production process, which will of course turn these TV panels into QD-QNED ones.

This is a sponsored post by Notion Systems

Najing Technology Corporation Ltd., the leading Chinese manufacturer of quantum dot materials uses the Notion n.jet display systems for QD displays and light emitting diodes development and pilot production.

The n.jet display series prints functional layers in various steps of display production and for various display technologies. This includes rigid, flexible, OLED, QLED and LCD displays. In addition to its unparalleled precision, the platform complies with highest demands on process environment and process stability.

DSCC updated its OLED material market forecasts, seeing a lower growth ahead. DSCC says the AMOLED stack material market will grow from $928 million in 2019 to $2.06 billion in 2024 in a CAGR of 17%. Only a couple of months ago DSCC estimated that the market in 2024 will reach $2.69 billion - and even these were reduced from earlier estimates due to COVID-19.

DSCC says that the main reason behind the reduction in its forecast is lower OLED TV capacity. The company now expects a slower ramp up at the Guangzhou fab, and LG's P-10 10.5-Gen fab is now removed from the forecast period.

Helio Display Materials, based in the UK, was spun-off from both Oxford and Cambridge University, to commercialize photoluminescent and electroluminescent perovskite-based materials for the display industry - with solutions for the OLED, LCD and Micro-LED markets.

Our sister site, Perovskite-Info, posted an interview with Helio's CEO, Simon B. Jones, discussing the company's technology and business.

OLED-Info and Perovskite-Info are happy to announce the 2020 edition of The Perovskite Handbook. This book is a comprehensive guide to perovskite materials, applications and industry, and it is now updated to January 2020 and lists recent developments and new companies, initiatives and research activities.

Perovskites are an exciting class of materials that feature a myriad of exciting properties. Perovskites are now entering the display market, with applications in quantum dots, LEDs, lasers and more.

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• Perovskites-based LEDs
• The state of the perovskite market, potential and future