A research team from South Korea developed a new method to power medical implants using active photonic wireless system incorporating Micro LED that can be attached on skin and a photovoltaic device that integrated with medical implant. Medical implants such as pacemakers help to monitor and regulate physical condition of people to support efficient medical treatment. These devices usually need a constant source of energy to operate, resulting in issues of power supply. Batteries and wired power also create limitation for applications. For example, when battery power gets exhau...

For LED industry players in Taiwan who have been facing stiff competition from China’s supply chain and South Korea’s monopoly on OLED technologies, creating new business opportunities in Mini LED and Micro LED could be a solution. However, Chinese companies are also rushing into the Mini LED and Micro LED markets with recognition of the growth potential there. At the moment when Micro LED has yet to reach technological maturity, and Mini LED sets to enter a phase of explosive market growth. What are the roles of Chinese companies in the L...

As Micro LED is yet to enter commercialization due to layers of technical difficulties and exorbitant cost, Mini LED has already been successfully incorporated into the application of commercial operation, and has made its presence in the application field of high-end display such as commercial and gaming monitors, including the Mini LED gaming notebook of MSI, as well as the gaming monitors of Asus, Acer, and Lenovo. Now, the industry is anticipating Apple to release multiple iPads and MacBooks adopted with Mini LED backlight technology between 2H20 and 2021 tha...

The arrival of Mini LED in the latest competition of display technology has not only laid down the foundation for the next generation of Micro LED display technology, but also became the new opportunity in breaking through the predicament for the LED industry and panel manufacturers. As invigorated by the aggressive involvement from major brands including Apple, multiple Mini LED backlight products and the application of RGB self-luminous displays are now on the verge of commencement, and the new products for the relevant application are expected to enter substantially i...

Mini LED and Micro LED, the novel display technologies based on LED, have lit up the industry which long suffered from low price competition. As worldwide companies and research institutes pouring resources into technology development in the past years and building up partnerships to formulate new ecosystem, several Micro and Mini LED achievements were revealed. Display products using Mini LED backlight are launched and Micro LED prototypes also continue to achieve breakthroughs. (Image: Pixabay) Apple’s rumor of launching Mini LED backlight techn...

How artificial lighting could provide full spectrum for plants has been an issue addressed by agri-tech experts. Apart from LEDs, a new study of ITMO University provide a new approach by creating light with ceramics. Scientists from ITMO in collaboration with their colleagues from Tomsk Polytechnic University came up with an idea to create light sources from ceramics with the addition of chrome that deliver not only red but also infrared (IR) light to enhance growth of plants. The results were published in Optical Materials. (Image: Anastasiia Babkina/ITMO...

Aiming to reduce the risk of COVID-19 infection and diminish coronavirus, UVC radiation has been widely promoted and applied in disinfection. But UVC radiation exposure could also lead to damage on skin and eye for human and animals. Finding a way to safely deploy UVC light has thus become a target for researchers all over the world. Far-UVC with a wavelength of 222 nm is considered a safe alternative in UVC disinfection as many researchers found that the light can effectively deactivate germs and viruses without causing harm for people. A new study led by researc...

A research led by researchers of UCL (University College London) revealed that staring at a deep red light for three minutes a day can significantly improve declining eyesight. Based on the result of the study, scientists believe that new affordable home-based eye therapies could be develop, helping the millions of people globally with naturally declining vision. Lead author, Professor Glen Jeffery (UCL Institute of Ophthalmology) indicated that people’s visual system declines significantly once over 40 as cells in the eye's retina begin to age. Cell’s mi...

Korea researchers announced that they have developed a GaN Micro LED that can be folded and cut by scissors. The team demonstrate a method of creating a deformable LED based on remote heteroepitaxy of GaN. The research, titled “Remote heteroepitaxy of GaN microrod heterostructures for deformable light-emitting diodes and wafer recycle,” was published in Science Advances on June 3, 2020. The research was jointly conducted by professor from Sejong University and the University of Texas. The team manufactured Micro LEDs on a graphene-coated wafer ...

Micro LED technology supplier PlayNitride said that it aims to reduce production cost of Micro LED chip by 95% in five years to meet the requirement of mass production and is continue to raise funding. Charles Li, CEO of PlayNitride, noted that the two major keys of Micro LEDs are to make them small and cheap, which is the current challenge for commercialization. In order to achieve the goal, it is critical to connect the supply chain from wafer manufacture, chip process, transfer technology, display module, backplane driver and system tuning. Most of the processes ...

Scientists at the Circadian Light Research Center published their new finding in the Journal of Biological Rhythms pointing out the narrow band of blue light that synchronizes our circadian rhythms during the day and disrupts them at night. The study could help lighting fixtures and LEDs to be further engineered and designed to optimize human health. Blue light exposure at night is a well-established public health hazard. It suppresses melatonin, causes circadian disruption, and is linked to an increased risk of sleep disorders, obesity, diabetes, and breast and prostate can...

A team of researchers from the Helmholtz-Zentrum Berlin (HZB) and Humboldt-Universität zu Berlin has succeeded for the first time in producing LEDs from a hybrid perovskite semiconductor material using inkjet printing. This opens the door to broad application of these materials in manufacturing many different kinds of electronic components. The scientists achieved the breakthrough with the help of a trick, which was called "inoculating" (or seeding) the surface with specific crystals. (Image: Claudia Rothkirch/HU Berlin) Scientists at HZB have al...

A new LED manufacture method which does not require phosphor to make white semipolar LED was published by a research team of UCSB with Shuji Nakamura, Nobel winner and LED pioneer, as a co-author. The result was published in Optics Express. White light emitting LEDs are usually made from blue LEDs combining yellow phosphor. But phosphor converted white LEDs usually suffer energy loss and reduced thermal stability. Phosphor-free LEDs, however, are rather difficult to fabricate but the UCSB team proposed an easier method to achieve efficient and polari...

Display technologies keep progressing with new solutions coming up to tackle Mini LED and Micro LED production difficulties and new materials using to create OLED display. Now, scientists are using recycled human hair to develop flexible OLED displays. Researchers from Queensland University of Technology (QUT) and Griffith University in Austria have teamed up with a barbershop and develop a method to turn human hair into OLED display. The research was published in Advanced Materials. (Image: Queensland University of Technology) The small hair ...

French research institute CEA-Leti announced that its researchers have broken the throughput world record of 5.1 Gbps in visible light communications (VLC) using a single GaN blue Micro LED. Their data transmission rate of 7.7 Gbps achieved with a 10 µm Micro LED marks another step toward commercialization and widespread use of LiFi communication. (Image: CEA-Leti) VLC, or LiFi (light fidelity), is an emerging wireless communication system that offers an alternative or a complementary technology to radio frequency (RF) systems such as WiFi and...

UC Santa Barbara researchers continue to push the boundaries of LED design a little further with a new method that could pave the way toward more efficient and versatile LED display and lighting technology. UCSB electrical and computer engineering professor Jonathan Schuller and collaborators describe this new approach, which could allow a wide variety of LED devices — from virtual reality headsets to automotive lighting — to become more sophisticated and sleeker at the same time. (Image: UCSB) Usually LEDs emit spontaneous light, comparing to...

LG Display announced that it will be leading Korean national project for developing stretchable displays, aiming to expand display applications in the era of IoT, 5G and self-driving car. Selected by South Korea’s Ministry of Trade, Industry and Energy (MOTIE), LG Display will oversee the large-scale R&D project and lead a collective of 21 entities covering related companies, research institutes and universities. Jointly these parties will develop core technologies, materials, component and build up a robust ecosystem for Korea’s display technolog...

Perovskite is one of the focuses of LED research as the material is believed to deliver light with lower production cost. However, the efficiency and stability of perovskite-based LEDs still need to be improved with worldwide research teams continuously working on the material. Helio Display Materials, a spin-off company of Oxford University and Cambridge University, is pushing perovskite LEDs commercialization with the IPs from both universities. (Image: Helio Display Materials) Helio Display Materials aims to leverage its technology to enhance color perform...

Research team consisting of electrical and computer engineers at the University of Virginia and University of Texas-Austin has developed an avalanche photodiode that achieved record performance that could transform receiver components for LiDAR. The breakthrough was published in Nature Photonics on May 18, 2020, under the title “Low-noise high-temperature AlInAsSb/GaSb avalanche photodiodes for 2-μm applications.” Researchers said the low-noise, 2-μm avalanche photodiode can achieve eye-safe high-power operation. The team used the novel optical ...

Advanced LED technology enables innovative automotive lighting including adaptive driving beam (ADB) by which each single LED pixel can be control independently for a wider range of applications. Based on similar concept, Japanese LED maker Stanley proposed an innovative way to combine laser and MEMS (Micro-Electro-Mechanical System) mirror, which allows high precision light and sensing function. (Image: Stanley) Stanly uses blue laser light which can be reflected with MEMS mirror and converted into white light with phosphor to build a headlight system. V...

To enhance UVC disinfecting applications, a new study proposed an alternative transparent conductor that deliver UV spectrum to solve the issue of low efficiency of current UV LED technology. The research provide the approach of using SrNbO3 as an electrode material for UV LED. A joint research group with scholars from The Pennsylvania State University, University of Minnesota from the U.S. and The University of Tokyo and Tohoku University in Japan published their study in Communications Physics suggesting a solution of UV-transparent electrode to de...

The U.S. lighting company Acuity Brands announced its strategic partnership with Ushio America. The two companies entered into an alliance agreement that Ushio will supply Acuity Brands with its Care222® UV disinfection module, which generate far-UVC light which is safe to human skin but capable of inactivating viruses and bacteria on indoor surfaces. Under the agreement, Acuity Brands will have an exclusive right to use Ushio’s far-UVC disinfecting module for general illumination uses throughout North America and non-exclusive right for the worldwide m...

Worldwide researchers continues to explore the possible ways to defeat the novel coronavirus. UV light is considered one of the effective ways to reduce the risk of COVID-19 infection as it deactivates microorganism in air, water and on the surface. A new study from Colorado State University (CSU) found that UV light can also diminish SARS-CoV-2 virus in blood. Researchers at CSU used existing technologies to show that exposing the coronavirus to riboflavin and UV light reduces pathogens in human plasma and whole-blood products. The result was published on M...

The COVID-19 pandemic spurred the awareness of disinfection and stimulated demands for related applications based on UVC radiation. UVC LED products have thus become a hit across the world. However, the safety issue of UV light also become a concern as direct exposure of UV radiation is harmful for people and animal. Aim to improve safety of UV disinfection and expand application opportunities, researcher across the world are searching for method to make UV light less harmful. And far-UVC seems to be the solution. A new research carried out by the Univers...

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...