QD-EL

DSCC: the QD materials market to reach $100 million in 2024, will grow to $122 million by 2027

DSCC says that the demand for QD materials in the display industry is growing, and the market will grow to $100 million in 2024. It will continue to grow and reach $122 million in 2027. 

The main application is in LCD displays (color conversion), but materials used in QD-OLED's (by Samsung Display) is growing and accounts for 31% of the market (in the chart above DSCC notes QD-OLEDs as QD-CC). Production of QD-OLED panels is limited (SDC's total capacity is for around 2 million panels per year) but the material usage is large compared to QD-LCDs.

Read the full story Posted: Mar 13,2024

Sharp demonstrates 12-inch and 30-inch QD-EL display prototypes

Sharp was demonstrating two new QDEL prototype at CES 2024. The first was 12-inch in size (you can see this in the video below), and the second a 30-inch prototype (Sharp did not allow to take photos/videos of the larger display).

Sharp did not disclose much about the display, or any commercialization plans. This seems to be an early-stage development. We do know that Sharp is using QD materials produced by Nanosys (SHOEI), and that the display is produced on an IGZO (Oxide-TFT) backplane.

Read the full story Posted: Jan 16,2024

IDTechEx: QDs are the ultimate display emitters, the global QD market will reach $550 million by 2034

IDTechEx posted an article detailing the company's views on the quantum dot materials market for the display industry. The article details the progress from QD on Edge technology, to QDEF,  QDOG, QDCC and finally QLED displays (emissive QDs, or QD-EL).

IDTechEx believes that QDs are the "ultimate emissive material for displays", tracking efficiency and lifetime improvements. IDTechEx estimates that the global market for QD materials will reach $550 million by 2023 - this includes all QD applications, not just displays (but displays is one of the major markets).

Read the full story Posted: Sep 24,2023

MIT researchers precisely assemble quantom rods arrays using folded DNA scaffolds

Researchers from MIT have devised a new method to precisely assemble arrays of quantum rods, using scaffolds made of folded DNA. Using this method, the orientation of the rods can be controlled, which is a key factor in determining the polarization of light emitted by the quantum rods array.

The method starts by attaching the quantum rods to diamond-shaped DNA origami structures, built at an exact size required by the device. The structures are then attached to a surface, where they fit together "like puzzle pieces". 

Read the full story Posted: Aug 16,2023

QNA Technology raises $4 million, prepares to go public on ASO NewConnect

Poland-based QNA Technology, a quantum dots developer and producer, raised $4 million in its latest financing round,and the company is now preparing to apply for a listing at the Polish ASO NewConnect stock exchange for early stage companies.

QNA was established in 2016, and is focused on blue light (400-490 nm) emitting, heavy metal-free quantum dots. The company optimizes its QDs for two applications: electroluminescence display devices (QD-EL) and for microLED displays devices based on UV microLEDs.

Read the full story Posted: Aug 04,2023

Samsung developed an all-printed 12.4" 182 PPI EL-QD display

Researchers from Samsung Display, led by Changhee Lee, developed an all-inkjet-printed 12.4" full color 182 PPI EL-QD display, that offers improved performance.

The researchers say that by controlling carrier transport properties and charge balance through ligand exchange in QDs and ZnMgO surface, they were able to create this display that has a potential for low cost and material-consumption-efficient display manufacturing. The researchers will disclose the paper at SID Displayweek 2023 next week.

Read the full story Posted: Apr 21,2023

Researchers find that low-temperature processed PTAA HTL improves the performance of flexible QDEL devices

Researchers from Kyung Hee University and the Korean Institute of Science and Technology have demonstrated that a low-temperature processed PTAA hole transport layer (HTL) can improve the performance of flexible light emitting quantum dots (QD-EL, or QLEDs) - produced on plastic substrate.

The researchers say that using a low-temperature process ensures that the flexible substrate is not deformed. Such QLED devices suffer from low performance compared to glass based devices that use optimal PTAA HTLs, but the new process and materials improve the flexible devices closer to glass based ones.

Read the full story Posted: Mar 08,2023

Researchers from the University of Japan develop a narrow-spectrum blue QD emitter

Developing blue-emitting quantum dots is highly challenging, and researchers from the University of Tokyo says that using a new bottom-up design strategy and self-organizing chemistry they have managed to create a high purity blue-emitting QD material (with a narrow emission spectrum).

The new QDs are made from special chemical composition that combines both organic and inorganic substances, such as lead perovskite, malic acid, and oleylamine. The materials self-aligned into a cube of 64 lead atoms. The lead researcher, Professor Eiichi Nakamura, says that "it took over a year of methodically trying different things to find that malic acid was a key piece of our chemical puzzle".

Read the full story Posted: Nov 08,2022