November 2024

Researchers at the Nitride Technology Centre (NTC) at TU Braunschweig, in collaboration with Ostfalia University of Applied Sciences and ams OSRAM, are looking into the use of microLED devices in neuromorphic computing. The researchers say that the adoption of microLED devices may lead to highly efficiency AI computers.

The basic idea is to mimic the biological neural network by using photonic components. The researchers are combining GaN components with conventional silicon microelectronics to create highly integrated arrays with hundreds of thousands of micro-LED. Using microLEDs can enable a power reduction by a factor of 10,000 compared to current technologies. 

UK-based OTFT developer Smartkem announced that it has partnered with AUO to jointly develop rollable transparent microLED displays, based on Smartkem's OTFT backplane technology. The project will be based on a novel OTFT production process developed at ITRI.

Smartkem believes its technology will not only enable high-end rollable transparent microLED displays, but it will also enable drastic cost reduction that will bring costs down to mass market prices. Smartkem's low-temperature processing enables the use of low-cost and flexible plastic substrates rather than glass, which the company says will be a decisive factor in bringing production costs down.

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Rokid announced a new AR headset, called Rokid Glasses, that are based on JBD's 0.13" VGA microLED microdisplays.

The Rokid Glasses offers a Snapdragon Qualcomm AR1 chipset, 12MP camera, 2GB of RAM, a battery life of 4 hours, and a charging carry case that can hold up to 10 full charges. The Rokid Glasses weigh 49 grams and offers several frame colors. Rokid will start selling the new AR headset by June 2025, with a price tag of 2,499 Yuan (around $350).

X Display Company (XDC) has announced that it has developed a new micro-IC driven microLED display in collaboration with Lumileds. XDC says that its micro-IC architecture is efficient and also cost-effective to produce, and is already ready for mass production.

The two companies developed a 140 PPI display that uses Lumiled's 13x20 micron LEDs, and XDC's own microIC backplane technology. The display offers high brightness (2360 nits peak) and an excellent image quality. 

Tianma Microelectronics announced that it has developed a new side wiring technology that enables completely seamless tiled microLED displays. The new technology is based on a new process that is much more cost effective compared to other processes, in fact Tianma says it can reduce the cost of side wiring deposition by up to three times.

Tianma shared some details about its first tiled microLED displays. These offer a very small pixel pitch of 0.4 mm, and are based on an LTPS backplane. Tianma also revealed that it is using a laser-bsaed transfer process. The company is now running trial production, and it hopes to improve the yields and production efficiency in 2025, and then move to small batch mass production.

Future Stores has launched its first branch, in London's Oxford Street. The pop-up store retailer offers a next-generation shopping experience, utilizing next-generation technologies.

The shop's inside is almost completely covered by microLED displays. It is actually a single display that includes many surfaces - on the walls, pillars, and ceiling, all controlled by a unified system.

LG Display demonstrated a new stretchable microLED display, that can expand up to 50% of its size. LGD says that this is the world's first stretchable display that can do so.

The display is 12" in size, and can stretch up to 18-inch. It offers 100 PPI (probably at its relaxed state), and is made from 40 micron microLED chips.

We welcome everyone to join us for a free virtual conference that will focus on display and printed electronics innovations. The event will take place on December 11, 2024. Please click here to register for this exciting event. Like all MicroLED-Connect event, it is organized by TechBlick and the MicroLED Industry Association.

This event is perfect for engineers, researchers, entrepreneurs, managers, inventors, and end users from around the world, who wish to learn more about the latest display innovations, with a focus on microLEDs and AR/VR technologies. 

The vent will include lectures from dozens of companies, including Coherent, Konica Minolta, SCIL, Polar Light Technologies, VueReal, Finetech, XTPL, 3D Micromac, DELO, CEA/Leti, Yole Intelligence, Instrument Systems, Hamamatsu, and many more. You can click on the image above the full agenda.

Researchers from Korea's Kookmin University have developed a new GaN-based fin-LED chip material and pixel process technology, saying that this innovation may be the key to overcome the limitations of current microLED technologies.

The researchers developed a viable pixel manufacturing process that vertically assembles sub-micron-sized fin-LEDs using a face-selective dielectrophoresis (DEP) assembly method. The GaN-based sub-micron-sized fin-LEDs are designed to maximize performance while minimizing costs related to the chips and pixelation process. This technology significantly enhances extraction light efficiency by vertically aligning the fin-LEDs, and it enables the implementation of chip materials and pixel manufacturing processes that significantly reduce production costs.