German research institute the Ferdinand-Braun-Institut (FBH) and Technische Universität Berlin (TUB) have developed UV LEDs emitting UV light that is safe to the skin. The achievement has yet commercially available but will be tested in medicine research centers in Germany. The FBH and TUB worked under the framework of their Joint Lab GaN Optoelectronics and created LEDs that deliver far UV light at wavelengths around 230 nm and provide more than 1 mW output power. According to the FBH, the light does not penetrate into the living layers of...

Researchers at the University of Tokyo published a research demonstrating their achievement of the highest mobility among thin films of tin dioxide. This high mobility could allow engineers to create thin and even transparent tin dioxide semiconductors for use in next-generation LED lights, photovoltaic solar panels or touch-sensitive display technologies. Tin dioxide can be made into a semiconductor. A research team from the Department of Chemistry at the University of Tokyo demonstrated the highest mobility in a thin film of tin oxide ever achieved. The improved mobility no...

Korea’s LiDAR sensor startup company, SOS LAB, announced that it has secured series A+ investment of a total of US$8 million starting from a lead investment from Korea Development Bank (KDB), bringing the company’s total capital raised so far to US$ 14 million. Despite a decline in general economic activities due to COVID-19, SOS LAB successfully attracted the investment and it has now unveiled its plans for the commercialization of LiDAR. (Image: SOS LAB) SOS LAB disclosed ML-1, the product which mounted the aforemention...

Some LEDs made from perovskite emit light over a broad wavelength range. To further explain the feature, scientists from the University of Groningen inspected some cases and proposed new explanation which may help other scientists to design perovskite LEDs capable of broad-range light emission. The study was published in the journal Nature Communications on May 11, 2020. Low-dimensional (2D or 1D) perovskites emit light in a narrow spectral range and are therefore used to make LED of superior color purity. However, in some cases, a broad emission spectrum at energy le...

Apple was reported last week that it has planned to invest US$334 million for the new facility in Taiwan, located in the Longtan section of Hsinchu Science Park. The new factory is believed to focus on Micro LED and Mini LED technologies which Apple aims to apply in its new products. Taiwanese companies Epistar and AUO as well as other companies of the Mini LED and Micro LED supplier chains are reportedly supporting Apple’s products adopting the next-gen display technologies. Apart from getting closer with its partners, another major reason for Ap...

Researchers at the lab of Tobias Kippenberg at Ecole Polytechnique Federale de Lausanne found a new way to implement a parallel FMCW LiDAR engine by using integrated nonlinear photonic circuitry. They coupled a single FMCW laser into a silicon-nitride planar microresonator, where the continuous wave laser light is converted into a stable optical pulse train due to the double balance of dispersion, nonlinearity, cavity pumping and loss. The study has been published in Nature. Coherent laser ranging, also known as frequency-modulated continuous wave (FMCW) LiDA...

LiDAR technology has a wide range of applications, from autonomous driving, industrial automation, to the latest people flow control and social distance maintaining. And now, a group of scientists uses the technology to monitor activity of mosquito. An international research team published a study on Science Advances demonstrating its approach to use LiDAR technology to remotely monitor mosquito activity. Through LiDAR technology, they found the “rush hour” of mosquito in a southeastern Tanzanian village and by identifying the most active time of mosquito, it...

Canada-based Elevate Farms announced its agreement with North Star Agriculture for an initial build-out commitment of US$ 10 million to bring vertical farming and ‎‎‎production of leafy green vegetables, to northern Canada including Yukon and other isolated northern territories. Elevate and North Star have agreed to develop and construct a series of automated large-scale facilities (CEF Facilities) dedicated to the mass ‎production of leafy green plants implementing, among other techniques, the use of patented ‎LED lighting, moving grow ‎boxes a...

Recently it is reported that Apple is planning to invest around US$ 334 million for its new facility in Taiwan to push development in Micro LED and Mini LED display technology with its local partners Epistar and AUO. Many believe that the iPhone maker will intensify its display technologies including Mini LED and Micro LED with the mature LED supply chain in Taiwan covering wafer manufacture, chip production, chip testing and display fabrication. LEDinside covered in November 2019 that Apple has almost finished the construction of the new facility in ...

The Metropolitan Transportation Authority (MTA) in New York City is using UV lamps to sanitize subway cars and buses for COVID-19 infection prevention, reported New York Daily News. MTA announced that it will close the subway system from one to five a.m. every day since May 6, 2020 to deep clean and disinfect all the trains and buses to combat coronavirus. One of its disinfecting solution is using UV lamps to deliver UVC radiation for diminishing bacteria, viruses and other pathogens in the cars. (Image: Pixabay) The disinfection project applying U...

A research team at Seoul National University (SNU) successfully grew a Micro LED array on a 100 nm-thick sapphire nano-membrane. The results were published on Scientific Reports on May 5, 2020. According to the published paper, the team, led by Euijoon Yoon of the Department of Materials Science and Engineering of SNU, designed the sapphire nano-membrane array to grow an array of multi-faced Micro LEDs sized 4 μm × 16 μm. With the method, the Micro LED chip singulation does not need to go through plasma etching process, leading to a better ext...

Compound Photonics (CP), a U.S.-based AR/MR microdisplay solutions developer, announced the launch of its digital backplane which enables Micro LED technology builder for high definition microdisplay subsystem integration. CP re-engineered its market-ready LCoS backplane technology into an innovative constant current drive configuration for Micro LED pixels based on its 0.26-inch (~3 μm pixel) 1080p display format. The technology can be integrated with Micro LED displays to accelerate the manufacture process by bonding the devices to a backplane driven by C...

Florida State University (FSU) researchers have discovered a novel structure for organic-inorganic hybrid materials that shows potential for more efficient technologies. Professor of Chemistry and Biochemistry Biwu Ma and his team have published a new study in the journal Science Advances that explains how they created a hollow nanostructure for metal halide perovskites that would allow the material to emit a highly efficient blue light. Metal halide perovskites are a material that have shown great potential for photon-related technologies such as light-emitting diodes and l...

A research team at the King Abdullah University of Science and Technology (KAUST) announced their achievement in manufacturing InGaN red LEDS with a peak wavelength of 665nm as well as improved light output power and external quantum efficacy. Their achievement is believed to support more efficient process of full color Micro LED display development. (Image: KAUST) One of the challenges of Micro LED display is producing red LEDs with GaN, which is considered almost impossible, according to Kazuhiro Ohkawa, leader of the research group. Red colo...

Mojo Vision, the Invisible Computing company who is developing smart contact lens with Micro LED technology, announced by the end of April its additional funding raised in Series B-1 investment round. The found will be used to gear up the development of Mojo Lens, the smart contact lens to realize AR applications. (Image: Mojo Vision) Mojo Vision has raised US$51 million in the B-1 round, bringing the total funding to date to more than US$159 million. The latest round of funding was led by New Enterprise Associates (NEA) with participation from top stra...

Graz University of Technology (TU Graz) in Austria has develop a new technology by using LED instead of laser as light sources to make metal component by 3D printing. The research project is named Selective LED-based Melting (SLEDM). SLEDM uses high-power LEDs as light source to melt metal powder for 3D printing manufacturing. The technology is similar to selective laser melting (SLM) and electron beam melting (EBM), in which metal powder is melted by means of a laser or electron beam and built up into a component layer by layer. However, by replacin...

In a report covered by Driving Vision News (DVN) in December 2019, we found that Valeo’s PictureBeam system was tested. The adaptive driving beam (ADB) system was co-developed by Valeo and Cree with a resolution of nearly 4000 pixels to deliver road marking functions. ADB system with high resolution is a trend for automotive lighting. Many automotive component manufacturers have teamed up with LED companies to develop LED array solutions based on Micro LEDs. The PictureBeam system created by Valeo and Cree is one of them. The two companies demonst...

A research team consisting of material science and nanotechnology specialist and virologist is working on developing a protective film based on nanostructure as a novel mask material to diminish virus and protect healthcare professionals from infection. Sudipta Seal, an engineer specializing in material science and nanotechnology, initiated a project with Griffith Parks, a virologist at College of Medicine of University of Central Florida (UCF) to create nanostructures that can capture the virus and then trigger a chemical reaction using UV light to destroy it. The scienti...

The Korea Institute of Science and Technology (KIST) announced a new development of a multi-functional luminescent film that can visualize near-infrared light through wavelength conversion that converts near-infrared light to visible light for innovative applications. Dr. Kwon Seok-joon at the Nanophotonics Research Center of KIST and Ko Doo-hyun, a professor of applied chemistry at Kyung Hee University jointly led the team to develop the flexible, transparent and washable film which can convert infrared light into visible light. The results were published in the ...

A new study conducted by the Fraunhofer Institute for Building Physics (IBP) in Germany showed that full spectrum LED products deliver better visual comfort compared to standard LED products. Full spectrum LEDs are usually categorized as those emitting light similar in composition to natural sunlight. The soon-to-be published Fraunhofer IBP study incorporated a technical comparison of the LED spectra to daylight spectra, a literature review addressing the effect of light spectra on humans, and a psychological study with 83 persons in an office setting. Each par...

Taiwan-based display manufacturer AUO has partnered with PlayNitride to unveil their latest Micro LED technology development. The two companies leverage their expertise and developed a 9.4-inch flexible Micro LED display with the world's highest 228 PPI pixel density, achieving yet another industry milestone with pioneering technological breakthroughs. The 9.4-inch flexible Micro LED display is based on an LTPS TFT driven backplane which allows pixels to be lighted separately. With a high-speed mass transfer technology, more than 5.5 million Micro LED...

Sony announced the price and availability for its 2020 TV models demonstrated at CES earlier this year. The 2020 TV lineup includes series of 8K/4K LED TVs and 4K OLED TVs from US$599.99 to US$9999.99. The most expensive product announced by Sony this time is its Z8H 8K HDR LED TVs, the 85-inch model will cost US$9999.99 and the 75-inch one is US$6999.99. With Sony’s Full Array LED technology with 8K X-tended Dynamic Range PRO, the product series features local dimming to address better contrast similar to Mini LED backli...

Researchers have developed the first megapixel photon-counting camera based on new-generation image sensor technology that uses single-photon avalanche diodes (SPADs). The new camera can detect single photons of light at unprecedented speeds, a capability that could advance applications that require fast acquisition of 3D images such as augmented reality and LiDAR systems for autonomous vehicles. "Thanks to its high resolution and ability to measure depth, this new camera could make virtual reality more realistic and let you interact with augmented reality information in ...

UC Santa Barbara’s Solid State Lighting & Energy Electronics Center (SSLEEC) and member companies are developing UV LEDs that have the ability to decontaminate surfaces — and potentially air and water — that have come in contact with the coronavirus (SARS-CoV-2 virus) to combat the world spreading disease. Recently, much attention has turned to the power of UV light to inactivate the novel coronavirus and Seoul Semiconductor, a SSLEEC member company, reported its achievement of “99.9% sterilization of coronavirus (COVID...

The world sweeping COVID-19 pandemic is leading to delay in production as well as some new projects in the industry as many companies have temporary closed their facilities and the supply chain was interrupted. New technology developments might be affected under the challenging time as well. LEDinside shares its insights toward Micro LED technology development in such a global uncertainty and points out that it might be a chance for the next-gen display technology to move a step forward. (Image: LEDinside) According to LEDinside, delays of equipment and material d...

Compound Photonics (CP), a provider of compact high-resolution microdisplay solutions for AR and MR applications introduced a compact, high brightness 1080p optical engine reference design that fits into a volume under 3 cubic centimeters (3cc). The product is optimized for CP’s 0.26-inch Micro LED Integrated Display Module (IDM) with a resolution of 1920 x 1080 resolution and 3.015μm pixel, which will accelerate development of AR/MR smart glasses. (Image: Compound Photonics) The 0.26-inch Micro LED IDM was jointly developed by Compound Ph...

On April 14, 2020, Apple was granted 54 patents by the U.S. Patent and Trademark Office and one of the patent is related to sensors that might be added to Apple Watch in the future to detect the environment of water and the makeup of water. The new patent issued to Apple, titled “Portable electronic device as health companion,” describe the function of the incorporating sensors for identifying the water based on the detected property and initiate actions of the wearable device to send notifications to the user. For example, the Apple Watch would be able to warm...

Researchers from the Technical University of Eindhoven (TU/e)in the Netherlands and Technical University of Munich (TUM) in Germany reported the development of a light-emitting, silicon-germanium (SiGe) alloy. The achievement may open a new way for integrated chip function. The revolutionary results were published in ‘Nature,’ on April 8, 2020. The research team made germanium and alloys from germanium and silicon with a hexagonal crystal lattice which has a direct band gap to emit light. The concept of hexagonal silicon was proposed by Prof. Erik Bakk...

Micro LED as the innovative display technology is expected to replace TFT-LCD and OLED display in the near future with its high performance including high resolution, high contrast, self-emission, low power consumption and long life. However, the technology still encounter several bottlenecks. The most challenging one for researchers and manufacturers is the notorious mass transfer process which requires bonding RGB LED chips to display backplane accurately and efficiently. The task also needs to tackle the issues caused by different chip materials such as breakable...

Worldwide technology builders are accelerating UVC LED developments for disinfecting applications aiming to prevent the spread of coronavirus. Lately we have seen many new products and technologies debuted and here comes a new UVC LED innovation from the German research center, Fraunhofer Institute for Optronics, System Technology and Image Evaluation, which is part of the Applied System Technology AST branch (IOSB-AST). Researchers built a microwave-like equipment which include two separate UVC LED modules with 10 UVC LEDs embedded respecti...