Researchers based in China report the growth of high-brightness green indium gallium nitride (InGaN) light-emitting diodes (LEDs) on silicon (Si) [Haifeng Wu et al, Light: Science & Applications, v13, p284, 2024]. The epitaxial material was fabricated into normal-size LEDs and arrays of 5μm pixels at 7.5μm pitch in a 1080x780 format. A 30x30 array reached a brightness of 1.2x107cd/m2 (nits) at 1000A/cm2 current injection, claimed as the highest reported for such micro-LEDs. The research team from Hunan University, Innovision Technology (Suzhou) Co L...

SEOUL, Oct. 23 (Korea Bizwire) – Samsung Electronics and LG Electronics unveiled their visions for AI-integrated daily life at the 55th Korea Electronics Show (KES 2024), which opened on October 22 at COEX in Seoul’s Gangnam district. Samsung Electronics announced the creation of an AI Village at the four-day event, demonstrating how artificial intelligence can transform everyday experiences from home to business environments. The company’s exhibit features three main zones: AI Home, which offers personalized smart home environm...

Researchers from Korea's Kookmin University in collaboration with colleagues from Kyung Hee University have managed to enhance the performance of microLEDs produced using fluidic self-assembly based on chelation bonds of chemical linkers. The researcher report up to 61.8% increase in assembly yield compared to previous methods, and their vertically assembled 1.3 um microLEDs achieved a peak EQE of 8.1% and a brightness of 22,300 nits at 9 V. The researcher developed a novel approach for the face-selective vertical assembly of microLEDs using a chemical linker c...

Researchers from Hunan University have designed and grown wafer-scale uniform green GaN epilayer on silicon wafers (4-inch and 6-inch in size). The epilayer was of very high uniformity and showed excellent properties. Using this wafer, the researchers developed green microLED displays reaching over 10 million nits. This epilayer demonstrated a low dislocation density of 5.25×108 cm-2, minimal wafer bowing of 16.7 μm, and high wavelength uniformity (STDEV<1 nm). The researcher integrated the Micro-LEDs with CMOS circuits and created 1080x780 monochrom...

In August, tech giants Meta and Apple announced plans for smart glasses, making AI glasses a hot topic in the stock market and causing the prices of related stocks to go up. The rise of AI glasses is also boosting their future development. However, currently, smart glasses have some big problems to solve. The hardware and software are not advanced enough, making it unclear how they can be used in real life, resulting in slow market growth. AI technology alone may not be sufficient to fix these issues. One key part of smart glasses is the near-eye display system, which aff...

LG Electronics announced a strategic plan to focus on its Business Solutions division, with an aim to double its sales to $7.5 billion by 2030. The division is in charge of businss-to-business (B2B) and signage displays, commercial TVs, IT devices such as laptops and monitors, robots and EV chargers. LG says that for its commercial and signage displays, it will focus on premium fine-pitch LED displays, which include its microLED Magnit models. Indeed LG says that "MAGNIT Micro LED display will be at the forefront of this expansion". The com...

The Garmin Tactix 7 (pictured here) is set to get a successor soon. (Image source: Garmin) After Garmin had already listed a Fenix 8 Pro and a Fenix 8 microLED in an app in September, the microLED model is now showing up again. As Gadgets & Wearables reports, the new model has been added to a watch face compatibility list that developers can see when they want to publish a watch face in the Garmin Connect IQ Store. The fact that the smartwatch is already listed in several publicly accessible listings indicates that a launch is imminent. Garmin has alread...

On September 11, 2024, the 25th China International Optoelectronic Exposition (CIOE 2024) opened at the Shenzhen International Convention and Exhibition Center. All the 12 exhibition halls of the center were rented, covering a display area of over 240,000 square meters. The exhibition attracted more than 3,700 optoelectronic companies worldwide, spanning multiple fields such as information and communication, precision optics, camera technology and applications, laser and smart manufacturing, infrared (IR) and ultraviolet (UV) radiation, smart sensing, and innovative disp...

 

LED product and lighting maker Lumileds LLC of San Jose, CA, USA claims to be first to demonstrate that rich deep red light (615nm dominant wavelength corresponding with 635nm peak) can be produced with indium gallium nitride (InGaN) LEDs, achieving a wall-plug efficiency of 7.5% at a current density of 10A/cm2. The firm says that its breakthroughs address the challenges associated with high indium concentrations, including spectral peak shifts and broadening with current density. The InGaN material system is an attractive alternative to aluminium indium galliu...

Major display companies Samsung, LG, and Hisense have recently unveiled their latest Micro LED TVs, transparent displays, and flexible displays. Samsung Showcases 65-inch Micro LED TV According to foreign media, Samsung showcased its 65-inch Micro LED TV at the International Consumer Electronics Fair (IFA; Internationale Funkausstellung Berlin) in Berlin, Germany. While the media predicts the TV will feature 4K resolution, Samsung disclosed minimal additional product information during the event. Image credit: MicroLED-info Samsung&...

EINDHOVEN, Netherlands, Sept. 27, 2024 /PRNewswire/ -- TCL China Star Optoelectronics Technology Co., Ltd. (TCL CSOT) recently participated in the MicroLED Connect 2024 event held in the Netherlands, where it presented its comprehensive MLED Strategy and the latest technological advancements, further establishing its position as a prominent contributor in the next-generation display industry. During the event, Mr. Ming-Jong Jou, Chief of the Technology Planning Center at TCL CSOT, delivered a keynote presentation that outlined TC...

Polar Light Technologies, a leader in the development of microLED, is excited to announce a partnership with Finetech, a globally recognized supplier for sub-micron and high-accuracy die bonding solutions. The collaboration has already yielded significant advancements in micro-LED technologies for next generation AR, HUD and HMD applications. Polar Light Technologies has introduced a major breakthrough in display technology by creating novel GaN pyramidal microLEDs that are directly bonded to Indium pads on a silicon chip. This new method, where LEDs are bui...

PITTSBURGH, Sept. 24, 2024 — Ansys and TSMC today announced a successful pilot with Microsoft that significantly speeds-up the simulation and analysis of silicon photonic components. Together, the companies achieved over 10X speed-up of Ansys Lumerical FDTD photonics simulation via Microsoft Azure NC A100v4-series virtual machines, powered by NVIDIA accelerated computing running on Azure AI infrastructure. PICs are integral to applications across industries, including data communications, biomedical tools, automotive LiDAR systems, artifici...

CEO of Sapien Semiconductor, Lee Myung-hee, said at the 'Microdisplay Conference' hosted by The Elec last week, "Big Tech will release AR glasses using LEDoS (LED on Silicon - using Redos) within 2 to 3 years," adding, "If AI is combined with AR glasses, the AR glasses industry will expand," and predicted that it will grow explosively. In AR devices, the light efficiency is only 1-10%, so the light from the light source must be bright to be used as an AR device display that adds virtual information to the real world. Alth...

MANCHESTER, England, Sept. 10, 2024 /PRNewswire/ -- Smartkem (Nasdaq: SMTK), a company that has the potential to power the next generation of displays using its disruptive organic thin-film transistors (OTFTs), today announced that it has entered into a joint development agreement with Shanghai Chip Foundation Semiconductor Technology Co., Ltd. ("Chip Foundation"), a manufacturer of semiconductor and integrated circuit devices, to co-develop a new generation of microLED-based backlight technology for Liquid Crystal Displays. The joint dev...

CY Vision is using a microLED display from MoJo Vision for an AI-enabled head up display (HUD) for automotive augmented reality (AR). The HUD developed by CY Vision uses AI and 3D imaging with a microLED display from MoJo Vision to provide a HUD with line-of-sight overlays. Using a microLED display eliminate existing image degradation such as sunlight reflection and colour distortion which is critical to the successful implementation and adoption of AR HUDs says MoJO. Mixing cutting-edge display technology with established semiconductor pro...

IFA 2024 — Europe’s largest consumer electronics trade show held in Berlin, Germany — opened on September 6 with Samsung Electronics showcasing an impressive array of AI-powered products and services under its vision of “AI for All.” Samsung Newsroom visited the company’s dynamic booth at IFA 2024 to see what innovative technologies captivated attendees. (Left) Samsung’s exhibit is located in CityCube Berlin in Messe Berlin. (Right) Crowds gathered at Samsung’s IFA 2024 booth. Leading the Way to a Saf...

The microLED display technology is highly promising, as these displays offer increased brightness, efficiency and lifetime over the current LCD and OLED displays. However adoption of microLED displays in the major display markets is still years away. One display segment that could see adoption of microLED display sooner, is the transparent display sector. Transparent displays are very interesting and have been researched for many years - and we have seen commercial adoption of transparent LCD, LED and OLED displays. These never achieved meaningful market s...

Earlier this year, TCL CSOT’s 8.6G oxide semiconductor production line, known as the T9 Project, began mass production and customer shipments. With a 35-billion-yuan ($4.9 billion) investment, the factory in Guangzhou started first with products like a 14.0″ FHD laptop display and a 23.8″ FHD monitor. At an investor briefing last week, TCL CSOT announced that the second phase of the T9 project will start installing equipment in the latter half of this year, with full production expected next year. T9 uses 4mask Oxide technology, supporting...

Every major breakthrough in augmented reality (AR) has been fueled by innovative technology. Three years ago, the MicroLED projector transformed the industry, transitioning AR from bulky headsets to sleek, lightweight glasses. Now, with JBD’s Hummingbird I MicroLED projector reaching a new milestone at 6 lumens, consumer AR is on the verge of its next significant evolution. The new Hummingbird I optical module redefines AR capabilities, achieving an unprecedented 6,000 nits of brightness—a level never before seen in AR technology. This breakthro...

(Image credit: Samsung) Micro-LED TVs are something of a white whale for the biggest TV manufacturers. The display technology has plenty of potential, promising emissive pixels and infinite contrast without sacrificing brightness levels and deep blacks. It also doesn’t suffer from the degradation in performance associated with organic display types like the best OLED TVs. Thanks to how micro-LED TVs are manufactured – with clusters of “micrometer-scale LEDs”, or “almost microscopic lights” transferred onto larger LED mo...

(Image credit: Hisense) Although it might be known as delivering some of the best Mini-LED TVs in the market, Hisense is seemingly taking a new approach with an upcoming OLED TV slated to hit Europe this September. The new display, known as the Hisense A85N, is equipped with HDR10+, Dolby Vision support, and a purported 1,000 nits of peak brightness. It uses LG Display’s WOLED panel, which should give it quite the edge against major competitors Sony and Samsung. OLED tech isn’t exactly new for Hisense, as the display manufactur...

Lumileds’ R&D team realizes Lambertian distribution from microLEDs Lumileds has realized significant External Quantum Efficiency (EQE) performance for MicroLEDs in the past years. EQE, is the ratio between the energy contained in the light emitted from the LED and the energy in electrons injected into the semiconductor material. However, for microLEDs, and display applications in particular, EQE on its own is not a sufficient measure of performance. To properly assess the efficiency of a microLED, one must also be able to measure the direction...

Researchers based in China have been exploring the benefits of using freestanding (FS) gallium nitride (GaN) as a substrate for micro light-emitting diodes (LEDs) [Guobin Wang et al, Optics Express, v32, p31463, 2024]. In particular, the team developed an optimized indium gallium nitride (InGaN) multiple quantum well (MQW) structure with improved performance at lower current injection (~10A/cm2) and lower driving voltages as suitable for the advanced micro-displays used in augmented (AR) and virtual reality (VR) setups where the higher cost of FS-GaN can be compe...

Samsung Display is one of the biggest innovators in the industry. Among the wildest concepts the division has worked on over the years is the extendable display. And on top of that, there's another one that uses 50% less battery power. So the revolution is about to fall.  There is a conference this week IMID 2024 and Samsung here she performed its latest generation of stretchable display, which has continued to evolve and improve since we were first able to see it (which was back in 2017). It is based on micro LED technology and can be extended by 25%. In other wor...

It was reported earlier this year that Apple cancelled plans for a micro-LED Apple Watch, finding them too difficult to produce in the quantities that would be needed. Display supplier LG was set to make a key component for this display, and is now said to be seeking compensation for the cancellation of the project … Apple’s move toward micro-LED Apple is so still to complete its transition to its third display technology, OLED: Originally, it used LCD with conventional backlighting Then it moved on to LCD with mini-LED backlighti...

In June 2022, Tianma Microelectronics announced plans to establish a 1.1 billion Yuan ($164 million USD) full-process microLED pilot line, in Xiamen. A few days ago, Tianma announced that its production line has commenced trial production. The new production line is co-located with a 8.6-Gen LCD fan at the Tongxiang High-Tech New Town in Xiamen. Tianma also detailed the first microLED display is produced at the new plant, a 7.5" module aimed towards tiled displays, that offers a brightness of 600 nits and a low 5% reflectance. This is the first time ...

Researchers based in Korea report on size-dependent characteristics of indium gallium nitride (InGaN) red micro-scale light-emitting diodes (micro-LEDs) fabricated on 4-inch silicon (Si) substrates [Juhyuk Park et al, Optics Express, v32, p24242, 2024]. The team from Korea Advanced Institute of Science and Technology (KAIST), Korea Advanced Nano Fab Center (KANC), and Chungbuk National University, sees its work as being pioneering, adding: “This work is the first investigation into the size-dependent characteristics of InGaN/GaN red micro-L...

Researchers based in Korea report on size-dependent characteristics of indium gallium nitride (InGaN) red micro-scale light-emitting diodes (micro-LEDs) fabricated on 4-inch silicon (Si) substrates [Juhyuk Park et al, Optics Express, v32, p24242, 2024]. The team from Korea Advanced Institute of Science and Technology (KAIST), Korea Advanced Nano Fab Center (KANC), and Chungbuk National University, sees its work as being pioneering, adding: “This work is the first investigation into the size-dependent characteristics of InGaN/GaN red micro-L...