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MicroLED displays use ultrafine LED devices to create beautiful, flexible and highly bright and efficient displays.
Samsung Electronics launched a new 114" microLED TV in Korea, with a price tag of 180 million Won (about $132,600).
Interestingly, a couple of months ago Samsung introduced four new microLED TVs in China, including the 114-inch model, but it quoted a price of $173,000 - or about 30% higher than the price in Korea.
MicroLED developer VueReal launched a hybrid microLED-LCOS microdisplay, branded as ColourFusion microDisplay, targeting AR applications. The basic idea is to use a low-density microLED microdisplay, with an LCOS on top that increases the resolution.
VueReal says that this solution enables high resolution, high grayscale and color depth, high contrast, and unprecedented low power consumption. VueReal developed innovative power-saving algorithm and a backplane that supports variable frame rates. The microLED unit is deposited using VueReal’s proprietary MicroSolid Printing technology.
UK-based Kubos Semiconductors announced that it has raised $2 million, to accelerate the development of its cubic GaN technology. This brings Kubos' total funding to $5.5 million, and will enable Kubos to enter the microLED display market within three years through IP licensing.
In 2023, Kubos announced that it has been granted its first process technology patents and has received its first customer order. It also received an Innovate UK Future Economy Investor Partnerships grant , a 24-month project to achieve 5% efficiency for red microLEDs by deploying the company’s proprietary cubic Gallium Nitride (GaN) process, called KubosLED.
InZiv manufactures rapid EL testing and inspection systems for microLED development and production. The company has deployed several systems at leading display makers all over the world, and has recently launched its first mass production tool. David Lewis, the company's CEO and co-founder, was recently interviewed by display industry consultant Ian Hendy.
You are CEO of InZiv in Jerusalem. Can you tell me a little bit about the company and what makes it special?
InZiv is the technology leader in rapid EL (electroluminescent) testing and inspection for microLEDs. Currently, the quality of microLED wafers is simply not where it needs to be, and the most reliable and accurate way to get both electrical and optical information from each and every die on the wafer is EL testing.
InZiv has a proprietary method for making contact with the microLED wafer, without any damage, and at very high speeds. We offer, on average, 6M dies per hour test speed in our first mass production tool, and intend to double that in the next generation. We have a roadmap beyond that for even higher throughputs. Users understand that die densities are going to increase as microLED chips get smaller and move from flip chips to vertical chips, so a valuable tool supplier needs a roadmap that can cope with the speed race, and we have such a roadmap.
The MicroLED Industry Association has announced that in less than 18 months, there have been over 6,000 downloads of its white papers, roadmap and library documents.
The MicroLED Association has published four white papers, and towards the end of 2023 it published its first industry roadmap. The display industry is highly interested in microLED solutions, and this has created much interest in the Association’s papers, as evident by the large number of downloads.
In addition to its own white papers, a year ago the MicroLED Industry Association launched the MicroLED Library, an extensive compilation of MicroLED presentations, white papers, brochures and more. A year after the MicroLED Library was announced, the association reports over 1,000 downloads for the documents in the library, further enhancing the reach of its members and helping to educate display professionals with the latest microLED technologies, processes and topics.
During AUO's recent investor conference call, the company updated on its microLED project and made some interesting comments. First of all, AUO says that it has started to ship wearable microLED display panels at the end of 2024 (that's in line with AUO's previous announcement).
As far as we know, AUO is working with a Swiss luxury watch producer (like Tag Hauer) that will announce its microLED smartwatch soon. AUO says that it expects to expand its wearable microLED production soon.
An interesting video surfaced, showing a small (reportedly 38-inch) microLED monitor prototype by Samsung, shown at a trade show:
We do not have any more information, but this is an interesting demo by Samsung. It is estimated that the monitor has a resolution of FHD (1920x1080), if Samsung is using the same tiles as the ones used in its TVs. It could be that this is not a tiled display, but we simply do not know at this stage.
Taiwan-based Innolux demonstrated new microLED display prototypes: a wide 187-inch microLED tiled display, a 9.6" flexible automotive microLED prototype and a transparent microLED.
Innolux did not detail much about these new prototypes. All of its microLEDs are based on blue microLEDs with quantum dot color conversion, and LTPS backplanes on glass substrates.
SID's DisplayWeek is the world's leading display conference, gathering display professionals from all over the world. DisplayWeek will also host the 2024 annual meeting of the MicroLED Industry Association, where members will get together to share updates, connect with colleagues and launch new business relationships in a pleasant and welcoming setting.
Last year's DisplayWeek event marked the first MIA meeting, bringing together over 40 display professionals. We look forward to seeing our members soon!
Where will MicroLED technology take us? We’re only beginning to see all the possibilities it holds for display and imaging, but there are many reasons to envision a bright future. Ioannis (John) Kymissis, is the Kenneth Brayer Professor of Electrical Engineering at Columbia University and Chair of the Department of Electrical Engineering. The president-elect of the Society for Information Display (SID) shares his engineering expertise in display technology during a conversation that illuminates how MicroLEDs are leading the way toward unprecedented innovation.
Q. What are some of the diverse applications of microLED technology across industries, and how does its versatility contribute to innovation?
A. Today, we are seeing microLEDs primarily considered for displays but there are also a range of applications outside displays that can benefit from the technology. Applications include 3D printing, communication, and use as illumination sources in structured backlights and cameras.
