Researchers at West Virginia University found that exposure to white light at night could impact recovery of cardiac patients and dimming the light can reduce the damages. With the results published in Experimental Neurology, the research team, led by Randy Nelson, who chairs the Department of Neuroscience in the WVU School of Medicine, linked white light at night to inflammation, brain-cell death and higher mortality risk in cardiac patients. (Image: Pixaby) The researchers re-created cardiac arrest in animal models and divided the models into three groups that w...

The development of Micro LED display technology has further materialized in 2019 in the form of more solid applications presented in big trade shows. Micro LED products demonstrations marked the intensified collaboration between industry players in the supply chain across the world. Researchers, chip makers, panel producers, equipment providers and application device developers have intensified their cooperation to accelerate Micro LED technology progress. Since the beginning of 2019, many companies have announced their Micro LED progresses and plans. Follow the update...

UK-based optoelectronic technology solution provider Plessey announced that it will showcase its latest Micro LED display solutions for augmented and mixed reality (AR/MR), head-up/head-mounted displays (HUD/HMDs), smartphones and other display applications at Display Week 2019 held from May 14 to 17 in San Jose, California, USA. Plessey said it will unveil its Micro LED technology breakthroughs and demonstrate why its scalable and repeatable GaN-on-Silicon monolithic process is the solution for next-generation display products. (Image: Plessey) C...

Osram announced the completion of the acquisition of Ring Automotive, a British aftermarket specialist. The acquisition was revealed in the end of January 2019. The acquisition will allow Osram to expand its product range in the automotive sector to include more automotive electronics and accessories. After approval by the British Competitors and Market Authority (CMA) for the takeover of Ring Automotive by Osram, the partnership between the companies will officially start in May. The common goal is to respond faster and better to new trends and challenges in the cons...

The development of agricultural innovation has become more and more urgent than ever given the factors of increasing world population and global warming. As a result, vertical farming, which serves as a feasible solution to mass produce healthy and safe food, is getting increasingly popular across the world. Samsung Electronics has launched full-spectrum white-based horticulture LEDs to keep up with the trend of agriculture innovation and underline the advantages of applying LEDs for smart farming approaches such as vertical farm. (Image: Samsung) Smart farming refers t...

Cree announced financial results for its third quarter of fiscal 2019, ended March 31, 2019. Revenue from continuing operations for the third quarter of fiscal 2019 was US$274 million, which represents a 22% on-year increase. GAAP net loss from continuing operations for the third quarter of fiscal 2019 was US$22 million, or US$0.22 per diluted share. On a non-GAAP basis, net income from continuing operations for the third quarter of fiscal 2019 was US$20 million, compared to non-GAAP net income from continuing operations for the third quarter of fiscal 2018 of US$17...

AIXTRON, the Germany-based semiconductor equipment provider, announced its financial report for the first quarter of 2019 with an expected performance. The revenue of 1Q19 increased by 10% YoY to EUR 68.7 million (US$ 77 million). Although the gross margin decreased slightly to 39% YoY due to a change in the product mix, the gross profit of EUR 26.7 million (US$29.92 million) in the first quarter of 2019 was on a par with the previous year. According to AIXTRON, the first quarter of 2019 was mainly influenced by the expected reluctance of customers to inve...

As the lighting partner for London’s Illuminated River project, Signify updated the progress of the exciting lighting art and how connected LED lighting creates a novel identity of the city. Iain Byrne, Project Manager of Illuminated River Project at Signify, addressed that urban lighting and architectural lighting serve as powerful tools in building impressive images for city landmarks. “Light is one of the most powerful means of breathing new life into cities and metropolitan areas and is becoming more and more of a focus when it comes to urban design and...

To select a LED driver with a proper voltage operating range (Constant Current region) may look fairly easy, but this article will explain that it is not that straight forward. Firstly, one has to realize that LED forward voltages are not identical from die to die. Secondly, the LED voltage varies when the junction temperature goes up or down. Since a correct working of the driver is crucial to the functionality and reliability of the lamp, it is worthwhile to look more into details of these factors which affect the LED voltage. This article explains the typical concerns o...

Samsung SDS, the digital arm of Samsung, and Telensa, a leader in smart street lighting and smart city data, announced their partnership for smart city projects. The two companies are collaborating on smart street lighting and the Urban Data Project, a cloud platform that creates a trust infrastructure for urban data which enables cities to collect, protect and use their data for the benefit of all citizens. The first collaboration will be in city projects in Korea, with wider deployments following across Asia Pacific and in the United States. The initial area of collabor...

Samsung and LG have both released their financial results for the first quarter of 2019 with profit loss in their display business resulting from the sluggish market. Samsung registered a revenue of KRW 6.12 trillion (US$ 5.24 billion) for its Display Panel Business in 1Q19 with an operating loss of KRW 0.56 trillion (US$ 479 million). The company said that the operating loss came from weaker profitability in both mobile and large displays. Mobile displays suffered slower demand and intensifying competition with LTPS LCDs. Large displays also took a hit from a ...

Advanced LED technologies are bringing increasing smart applications for automobile makers, especially for the rising market of new energy car. Tesla has recently applied a patent for its newly designed sunroof which integrated LED lighting and electrical tinting. The patent, titled “Advanced Sunroof Lighting System,” describes a sunroof consisting of multiple transparent layers including an electronic tint layer and a transparent lighting layer. By controlling the tint layer and lighting layer electronically, Tesla aims to monitor the light source inside the ca...

Seoul Semiconductor announced consolidated first quarter revenues of KRW 282 billion (US$ 242.52 million), down by 0.4% YoY compared to 1Q18 but within the range of company’s guided KRW 280 billion to KRW 300 billion. The company reported KRW 17 billion (US$ 14.62 million) of operating profit, recording an on year decline of 0.8%. According to Seoul Semiconductor, the modest decline of profits was a result from lower utilization. Due to equipment relocation among factories, the utilization rate of the company in 1Q19 dropped to 60% from 74% from the same p...

Fueled by the rising autonomous driving technology applications, LiDAR sensor manufacturers have reported business growth and expansion. The LUMIBIRD Group announced a robust revenue growth for 1Q19 while Cepton opened a new office in the UK to accelerate EMEIA business. Paris-based laser specialist Lumibird posted a revenue of EUR 24.2 million (US$ 27.07 million) for the first quarter of 2019 with an on-year increase of 35.2%. The three strategic business lines of the company, LiDAR, Defense and Medical, are delivering strong growth in value. LiDA...

Sanan Optoelectronics announced a CNY 120 billion (US$ 1.78 billion) investment agreement with Hubei Province on April 25, 2019 for Micro LED and Mini LED wafer and chip development and production. According to the agreement, Sanan will increase investment of III-V compound semiconductors for Micro LED and Mini LED wafer and chip production. (Image: Samsung) In September 2018, Sanan was said that it will build the first production line for Micro LED wafers and chips in 2019. The Chinese company has also worked closely with Samsung in Micr...

Signify reported a profit growth in the first quarter of 2019 which ended by March 31. Adjusted EBITA came to EUR 115 million (US$128.34 million), increased by 8.8%YoY. Net income of 1Q19 doubled from EUR 20 million (US$22.33 million) last year to EUR 44 million (US$49.1 million) as a result of better operational profitability and lower restructuring costs. Sales amount of Signify for the first quarter was EUR 1,478 million (US$ 1.65 million), with an on-year increase of 1.1% after currency adjustment. LED-based sales were up by 3.6% in comparison to...

Superinjection is a physical effect that underlies modern LEDs and lasers and was believed to occur only in semiconductor heterostructures in the past. Recently, researchers from the Moscow Institute of Physics and Technology (MIPT) have found that the effect can also occur in homostructures, which opens up new prospects for the development of light sources. In the 1960’s, Zhores Alferov and Herbert Kroemer proposed to use heterostructures, which consist of two or more complementary semiconductors to generate wider bandgaps, enabling the concentration of electrons ...

An international research team demonstrated the possibility of tuning the color of a GaN LED by changing the time sequence at which the operation current is provided to the device. Scientists from Lehigh University, West Chester University, Osaka University and the University of Amsterdam have collaborated to develop a new technique of color tuning for GaN LED by controlling current injection to monitor the intensity ratios of emission atomic. The research, titled “Color-Tunablility in GaN LEDs Based on Atomic Emission Manipulation under Current In...

Signify, as a global leading lighting company, continues its development in innovative lighting technologies and sees light as a smart language to convey information. LiFi system which uses visible light to transmit data in over the air is a major focus of Signify to make light a new communication tool. Heading to the era of IoT, the number of internet connected devices increases drastically. Ed Huibers, general manager of Signify‘s visible light wireless communication system business unit, pointed out that there would be more than 50 billion devices relying on wireless in...

Velodyne Lidar announced an agreement with Nikon Cooperation, under which Sendai Nikon Corporation, a Nikon subsidiary, will manufacture LiDAR sensors for Velodyne with plans to start mass production in the second half of 2019. Through the partnership with Nikon to boost LiDAR sensor production, Velodyne aims to expand its business in North America, Europe and Asia, indicated Marta Hall, President and CBDO, Velodyne Lidar. The company has set a goal to produce LiDAR in millions of units to meet the rising demands in the automotive industry and other a...

BIOS Lighting, a specialist in the biological application of LED lighting, announced the installation of LED lighting system in the Gary and Mary West Emergency Department at UC San Diego Health in La Jolla, USA. The BIOS lights will aid patients and staff in UC San Diego Health’s geriatric emergency department (GED) in two crucial ways: to provide alertness during the daytime hours by adding a heightened amount of circadian signal; and by providing a unique wavelength of light dedicated to visual assessment of patients. (Image: BIOS L...

Display Week, the world's leading international technical event and exhibition for electronic display innovation, announces the keynote address topics by three renowned visionaries who lead display technologies and drive product innovation within their enterprises. Collectively these addresses will provide key insights, important perspective and the exciting opportunities on the horizon in the fast-paced and ever-challenging field of display technology development, application and implementation. The keynotes will take place during Display Week 2019, Tuesday, May 14 at 8:30 ...

After MEAN WELL received good feedbacks form the market after the launch of XLG-25/50 series (25/50W), it officially unveiled the XLG-75/100 series (75/100W). With the constant power mode design and other advantages, it is believed that the XLG-75/100 series not only meets customers’ demands for medium wattage, but further facilitates various LED light sources design and current adjustment. In response to the miniaturization trend of the lighting fixture design, MEAN WELL R&D team expertly designed the XLG series, with a reduction of dimen...

With a wide range of applications, UV LED is considered a new rising opportunity for the LED industry. LEDinside noted in the latest report, titled “2019 Deep UV LED Application Market- Sterilization, Purification, and Water Treatment Markets,” that UV LED market continues to increase with the curing market steadily grow and rising applications in sterilization for surface, air, static and flowing water. With these driving momentums, LEDinside forecasts that the UV LED market value will reach US$ 991 million in 2023. Based on the wavel...

A research team at the University of Innsbruck, Austria cooperated with Osram Opto Semiconductors to develop a new red phosphor with excellent luminescence properties which can make LED lighting more energy-efficient. The research article, titled “Sr[Li2Al2O2N2]:Eu2+—A high performance red phosphor to brighten the future” was published in Nature Communications on April 23, 2019. The scientists created the new red phosphor whose light is well perceived by the eye as the human eye is more sensitive to green and less sensitive to blue and red. With th...

Luminus Devices announced the expansion of its high-power infrared (IR) LEDs portfolio. The new products are designed with eleven emitters to address the rapid expansion of automotive, consumer, machine vision, medical, and security applications. The Luminus IR SST LEDs are now offered in three wavelengths, 810nm, 850nm, and 940nm, with six beam angle options ranging from 40 to 130 degree. The high radiometric power output and low thermal resistance allow system designers to reduce the number of emitters and overall footprint for a broad range of infrared applications. ...

Instrument Systems, the Munich-based light measurement solutions provider, announced that it will showcase an ultra-high resolution version of its LumiTop targeting Micro LED displays and AR/VR display applications at the Display Week 2019. According to Instrument Systems, the ultra-high resolution LumiTop model merges a 150 megapixel camera with the high-end spectroradiometer CAS 140D to guarantee test accuracy across the whole image of the camera. The resolution of 150 megapixels thereby allows (sub-) pixel level analysis of complete displays in one single shot,...

Seoul Semiconductor filed a patent infringement lawsuit for infringement of its LED driver patents against SATCO Products (SATCO). Seoul Semiconductor claimed that SATCO is selling various LED lighting products that infringe 11 patents of Seoul Semiconductor’s LED driver technology, including U.S. Patent 7,081,722, U.S. Patent 9,807,828; U.S. Patent 8,513,899; and U.S. Patent 8,716,946. The asserted LED driver patents are widely used in replacement bulbs in the form of incandescent or fluorescent lamps, wall-mount lights, and ceiling ...

Signify presented its cutting-edge technologies in lighting and optical communication in “Signify innovation Day” in Taipei, Taiwan. The lighting company showcased its latest developments in connected lighting, Interact IoT platform, horticulture lighting and LiFi at the event, demonstrating the current trends in the global lighting industry. The world’s largest lighting company changed its name from Philips Lighting to Signify in May 2018, marking a transforming milestone for the Dutch company. John Wang, Senior Vice President of Signify and Pres...

Pioneer and Canon announced that the two companies have agreed to co-develop a 3D LiDAR sensor with the goal of mass production by Pioneer in 2020. 3D-LiDAR sensors use laser light to accurately measure the distance of objects as well as ascertain three-dimensional information relating to distance and the surrounding environment in real time, and are regarded as an indispensable key device for the realization of level-three and above autonomous vehicles. Pioneer has been working on the development of low cost Micro Electric Memory Systems (MEMS) as well as object rec...