MicroLED technology is a next-generation emissive display technology that promises highly efficient and bright displays that offer superior image quality with infinite contrast and a wide color gamut. MicroLEDs are an excellent fit for microdisplays - as it can offer extremely bright and efficient displays with very fine pixel pitches.
Microdisplays are very small displays (usually under 1-inch) used in near-eye applications such as AR glasses, camera view finders and rifle sights. Most microdisplays on the market are either LCoS or OLED displays.
Many companies are developing high-end MicroLED microdisplays, and some are introducing initial products on the market. In 2020, JBD became the first company to commercially produce microLED microdisplays - 0.3" VGA (640x480) monochrome (red, green and blue) displays. In 2023 JBD started shipping engineering samples of single-panel RGB microLED microdisplays.
Microdisplays use a high-end silicon backplane, and microLED microdisplays can be produced using a monolithic process - which means that the LEDs can be fabricated directly on the silicon wafer, or transferred to it in a process that is simpler compared to a TFT-glass transfer process.
The MicroLED and OLED Microdisplays Market Report
Our MicroLED and OLED Microdisplays provides a great introduction to both MicroLED and OLED microdisplays, and covers everything you need to know about next-generation microdisplays. This is a great guide if you're considering to adopt microdisplays in your product and if you want to understand this industry better.
This market report covers everything you need to know about next-generation microdisplays. This is a great guide if you're considering to adopt microdisplays in your product and if you want to understand this industry better. Read more here!
Rayleigh Vision was established in 2023 in Hong Kong, to developed stacked microLED microdisplay technologies. The company's technology enables the stacking of LEDs on top of each other, to create high-density displays. The company's founder and CEO, Prof. Jr-Hau HE, will give a talk at the upcoming MicroLED-Connect startup showcase event on February 2024, and was kind enough to answer a few questions we had regarding the company's status, technology, and his views on the microLED industry and market.
Hello Prof. Jr-Hau, Can you tell us a bit your company, and technology, and your next steps?
Rayleigh Vision is a company that specializes in disruptive MicroLED technology, with a focus on solutions for full-color microdisplays. Our team includes pioneers in MicroLED technology, who have over a decade of experience in this field.
Although we've seen significant advancements in MicroLED technology, challenges remain. These include developing a full-color solution for microdisplays, improving mass transfer efficiency, and enhancing process yields. From the perspective of microdisplays, achieving a full-color display with a high Field of View (FOV) and Pixels per Degree (PPD) is crucial for an immersive Extended Reality (XR) experience. However, no product currently on the market meets these specifications.
According to new reports from Korea, Samsung Electronics decided that from now on, Samsung Display will handle all OLED microdisplay projects, while Samsung Semiconductor (SSI, or specifically, the Compound Semiconductor Solutions team) will handle all microLED microdisplay development.
Samsung sees OLED microdisplays as the solution of choice for next-generation VR headsets, such as Apple's Vision Pro (that uses 1.4" 4K OLED microdisplays made by Sony), while microLEDs will power the more demanding AR applications.
MicroLED-Connect is a hybrid event series, a year-long program of virtual and onsite events, all focused on the microLED industry. The first online 2-day webinar was hosted successfully last month, with over 25 lectures (all recordings accessible for pass holders). The next event is a startup showcase, that will be hosted on February 22, 2024.
The startup showcase includes lectures from 8 leading microLED startup companies, covering topics such as microdisplays, AR headset development, microLED production, transfer processes and microLED inspection.
Now is a great time to reserve your ticket and make sure you stay updated with the latest innovation from the following startup companies: Rayleigh Vision, Inziv, Comptek Solutions, QustomDot, Terecircuits, iBeam Materials, Kura Vision and NS Nanotech. You can read the complete agenda here.
Foxconn announced a strategic partnership with Porotech to co-develop microLED microdisplays, targeting AR, wearable and other applications.
Foxconn says that this partnership will utilize Porotech's Dynamic Pixel Tuning color-tunable GaN-on-Silicon microLED technology and Foxconn's technologies in semiconductor wafer manufacturing, packaging, IC drivers, CMOS backplanes, module assembly and system assembly.
Meizu announced the MYVU Discovery AR glasses, said to be the world’s lightest mass-produced full-color AR glasses.
The MYVU Discovery AR use a 0.4 sqcm light-engine based on three monochrome microLED microdisplays - these are JBD's 0.13" VGA displays - and the engine is likely similar to Vuzix's display engine based also on JBD's displays. The MYVU also uses the world's first mass-produced resin optical waveguide lens.
US-based Q-Pixel announced that it has developed the world's smallest full-color pixel (1 micron) and demonstrated a 10,000 PPI microLED microdisplay based on its proprietary tunable polychromatic microLED technology (which it brands as TP-LED).
Q-Pixel's technology enables a single-pixel color-tunable microLED device, and the company's displays are produced using a monolithic process. In May 2023, the company announced a 5,000 PPI full-color microdisplay, so this is fast progress only a few months later. Q-Pixel is a MicroLED Industry Association member.
The LAWK ONE is an AR headset based on dual microLED microdisplays, aimed towards outdoor 'adventure' use, that has launched a successful crowdfunding campaign. The HMD is set to start shipping in December 2023, with a launch price of $349.
The microdisplays are JBD's 0.13" VGA green monochrome microLEDs. LAWK ONE says that the displays offer up to 1,150 nits of brightness and a 30-degrees FOV.
We're happy to interview Dr. Uwe Vogel, the Deputy Director of the Fraunhofer FEP and the Division Director of the Fraunhofer's Microdisplays and Sensors division, as part of our series of interviews with MicroLED Industry Association members. The Fraunhofer Institute for Organic Electronics, Electron Beam and Plasma Technology (Fraunhofer FEP) is located in Dresden, Germany, and focuses on developing innovative solutions, technologies and processes for surface modification and organic electronics.
Hello Dr. Vogel. Can you introduce your company and technology?
The Fraunhofer Institute for Organic Electronics, Electron Beam and Plasma Technology FEP is one out of 76 institutes and research units of the Fraunhofer-Gesellschaft e. V., the largest European institution for applied research. The core competences of Fraunhofer FEP are electron beam technologies, vacuum thin film deposition techniques and technologies for organic electronics, microdisplay technology and sensors. Main activities target development and adaption of the thin film deposition technologies to a wide range of industrial applications. Fraunhofer FEP runs multiple pilot-scale vacuum coating systems.
India's Reliance announced the JioGlass, a VR HMD that is reportedly based on dual full-color FHD microLED microdisplays. This is an interesting product as it is the first one we are aware of that uses such commercial microLED microdisplays. It may be that these are actually OLED microdisplays, and the reports are inaccurate as is sometimes the case.
The JioGlass create a 100-inch virtual screen in front of the view, and the two microidsplays enable a 40 degrees FOV. The HMD connects via USB to any iOs or Android smartphone, or to a laptop. The HMD is designed by Tesseract, an India-based startup that was acquired by Reliance.
TCL's RayNeo announced a new smart glasses product, the RayNeo X2 Lite, based on full-color 1500-nits microLED microdisplays. The company did not provide more details on the microLED displays, beyond saying that they will offer 3D images and a 30-degrees FOV.
The X2 Lite, powered by Qualcomm's Snapdragon AR1 Gen 1 Platform offer innovative AI-backed live translation, smart assistant, 3D navigation, and HD camera features. TCL expects to ship the product in Q3 2024.