QD Vision and Solvay pursue printable quantum dots

A printable electroluminescent platform built on QD Vision based on a quantum dot can produce new general lighting products and pixelated displays.

While QD Vision is increasingly focusing on quantum dot photoluminescence (PL) or light stimulation in LED solid-state lighting (SSL) applications, they also focus on the development of electroluminescence (EL) and electrical stimulation. application. QD Vision is working with Solvay, which specializes in plastics and chemistry, to develop a printable platform for power-emitting and general lighting applications.

QD Vision refers to the concept of electroluminescence as a quantum dot LED (QLED), which may not be coincident with the similarity of organic light emitting diode (OLED). In the long term, QD Vision has always believed that the application of quantum dots in planar illumination is superior to the application of organic light-emitting materials in OLEDs - higher light output, more color gamut, and a simpler production process.

QD Vision is now in the early stages of commercialization of white quantum dots. The company provided Nexxus Lighting with technology for retrofitting LED lighting bulbs. But the company's ongoing electroluminescence (EL) applications are developing with a government background.

Photoluminescence (PL)-centric technology now gives us a higher light output rate, but it may not be the same in the future. Seth Coe-Sullivan, chief technology officer and co-founder of QD Vision, said, “Today, the highest lumens that can be achieved in our photoluminescent systems are blue LEDs. The potential benefit of long-term electroluminescence is There is a fundamental advantage in the most efficient light production"

Clearly, the company has also increased the potential market for OLED space, Coe Sullivan said. “OLEDs, as an industry, will have a market of about 10 billion this year.” In addition, the technology is at the earliest stage, Coe Sullivan pointed out the ecosystem. It has gradually moved to fully support the commercialization of OLEDs.

Solvay's announcement is an open first step for QD Vision to develop a QLED ecosystem. Of course, QD Vision is a small start-up company that wants to overcome a new technology. But QD Vision believes that QLED uses a lot of technology for OLED applications, but it adds the advantage that luminescent quantum dots can be printed on these technologies. For Solvay, Coe-Sullivan said, "The reason we work with them is because they focus on printable electronics."

"Another important reason is that the OLED industry already exists," Coe-Sullivan said. "We don't need to convince people that electroluminescence (EL) will be a great display or lighting technology." The key to the problem is for ordinary Diffusion plane illumination is very attractive for lighting and display.

“We just show them that using quantum dots as luminescent materials can have performance, longevity and cost benefits,” says Coe-Sullivan. "When our performance is orders of magnitude worse than OLEDs, it will be difficult for people to complete this leap. Now we are catching up quickly. Our appearance will not be worse than OLED performance. We will cross this limit. Our There will be a significant improvement in performance."

We can only wait and see, when and whether EL's quantum dot platform can defeat OLEDs on the light output. But the production thing seems to be more clear. Especially in the case of large display platforms, those companies are unable to develop commercially viable OLED production lines. The printable electroluminescence (EL) method does not encounter this problem.

However, QD Vision is a few years away from the commercialization of electroluminescent (EL) products. A 4-inch diagonal monochrome display was shown at this year's SID presentation. However, QD Vision also learns to include more partners in the development of the QLED ecosystem. Before launching as a commercial product, it is necessary to further improve the efficiency of the luminescent materials.

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