Plessey announced that it has successfully achieved native blue and green color emission on the same epitaxy wafer with its GaN-on-Silicon process. (Image: Plessey) To form RGB Micro LED displays, typical approaches are to use a pick and place process to transfer discrete R, G and B pixels or to use Native Blue LEDs as the light source for subsequent color conversion, to Red and Green. But the tiny chip size makes the placement process and conversion very difficult. Plessey’s latest patented growth approach simplifies the color conversion process by c...

Patently Apple published a new article noting that Apple was granted another Micro LED related patent by the U.S. Patent and Trademark Office. The patent is titled “Micro LED mixing cups,” describing the integration of different layers in Micro LED. The mixing cups structure, according to the patent description, includes “a diffuser layer adjacent the LED, an angular filter directly over the diffuser layer and the LED, and an overcoat layer directly over the angular filter and the LED.” These layers are designed to integrate differen...

In April, an Apple rumor pointed out that the company would have launched Mini LED backlight product in the second half of 2019 and Mini LED iPad as well as Macbook since the end of 2020. In June, we have seen Apple presented its Pro Display XDR based on LED backlight display which is similar to Mini LED backlight technology but not the same. Now, Apple was said again that it will launch iPad and MacBook adopting Mini LED displays. The rumor said that the Mini LED based iPad and MacBook will use about 10,000 LED chips that are smaller than...

Mikro Mesa Technology announced a breakthrough in Micro LED mass transferring and bonding which successfully transferred Micro LED chips sized 3µm to manufacture a 4-inch display. (Image: Mikro Mesa) Mikro Mesa’s technology is capable of transfer chips sized 2 to 5 µm and can produce display with a resolution of 1,800 ppi with millions of Micro LED chips, enabling large size applications including TVs above 55-inch. In addition, the technology is featured with low temperature and press-free bonding for better yield. The low temperature process ...

Plessey announced the launch of a Micro LED Direct-Drive display platform and development kit, based on its proprietary monolithic GaN-on-Silicon technology. According to Plessey, the Direct-Drive displays provide OEM’s and product developers with a solution to retrofit current products or develop new concept designs. Sized smaller than 5x5mm, the display can deliver a brightness of 2 million nits with an input power of 250 mW. (Image: Plessey) The Direct-Drive displays are designed to presents symbolic content with pixel capabilities for 2µm. Du...

Researchers from Queensland University of Technology (QUT), Ghent University (UGent) and Karlsruhe Institute of Technology (KIT) have developed a dynamic reprogrammable material whose structure chances under green LED light. The new dynamic material, developed by the international research team, was formed with naphthalenes and the coupling molecules triazolinediones (TADs). Once placed under shining green LED light, the material would remain stable and strong. When the light is off and the material remains in darkness, the chemical bonds of the network struct...

Several LED manufacturers in the industry have turned their business focus to automotive applications targeting the progressing automotive and electric vehicle development. The German high-tech company Osram, as one of the leading automotive LED producers, announced that it is starting a new chapter in multi-pixel solutions for car headlights. Osram released the idea of the first hybrid LED "Eviyos" two years ago and is progressing the second generation of Eviyos featuring 25,600 pixels on a single LED chip, with pixel pitch of 40 µm. According to Osra...

Fine pitch display is becoming a trend in the panel market with more and more manufacturers developing advanced display products and technology solutions. GaN-on-Si Micro LED specialist Plessey announced that it has produced a record-breaking 2.5-micron pixel pitch ultra-high resolution Micro LED display for AR/VR wearable applications. Plessey created an ultra-fine, ultra-high resolution 2000×2000 pixel display on a 2.5 microns pitch with its propriety monolithic GaN-on-Si technology. The UK-based company is dedicated to embedded Micro LED technology for...

With Nichia’s LED and driver IC from Infineon, advanced automotive front light with Micro LED enables safer driving and innovative application. The two companies announced that they have started the development of a high-definition (HD) light engine with more than 16,000 Micro LEDs for front light applications. According to Nichia, the Micro LED-based matrix light will offer a resolution about 180 times higher compared to current front light solution, paving the way for improved safety features. For example, HD light can be used to warn the driver of haza...

Plessey, the UK-based optoelectronic technology solutions developer, said that it has transferred its business focus from high-powered solid-state lighting, horticultural lighting and healthcare/ safety sensors sector to GaN-on-Si monolithic Micro LED display technology. The company is disrupting the global display market with a new generation of Augmented Reality (AR) devices and display solutions based on the Micro LED technology. (Image: Plessey) Featured with high brightness, high contrast, lower power consumption, fast refresh time and the capabilities of int...

Shuiji Nakamura, the blue LED inventor and the winner of Nobel Prize in Physics in 2014, visited Taiwan last week and delivered speeches in Taiwan’s National Tsing Hua University and Chung Hsing University, as well as in Micro LED company PlayNitride. Nakamura shared his research experiences in Japan and the U.S. on the way of blue LED development and pointed out the trends and potentials of the LED industry. Shuiji Nakamura was invited to PlayNitride Back in the 1990s, ZnSe was the material that the majority believed to be critical for...

The Fraunhofer Institute for Applied Polymer Research IAP in Germany and Korea Electronics Technology Institute (KETI) announced their cooperation on the development of printed quantum dots (QD) color filters for Micro LED displays. Dr. Youngsam Kim, President of KETI and Prof. Alexander Böker, Head of the Fraunhofer IAP seal the continuation of their cooperation.  Quantum dots are nanocrystals with optical, magnetic or electronic properties. These nanocrystals have a diameter of about 1-10 nm. The small diameter causes so-called qua...

After publishing the research paper demonstrating Micro LED integration with amorphous silicon TFTs, the research team from the University of Waterloo in Canada further revealed its approach of transferring InGaN nanowire LEDs on flexible substrate without degrading optical performance of the LEDs when the substrate bends. Researchers use vertical GaN nanowire LEDs to separate the electrically active region of the LEDs from the bending platform. LEDs are transferred onto flexible polyethylene terephthalate (PET) with a “paste and cut” process...

Patently Apple reported an Apple’s patent published in Europe titled “Display with Embedded Pixel Driver Chips” describing the method of fabricating Micro LED display panels with a display integration scheme that embed an array of LEDs on substrates with the front side up. In the description of the patent application, Apple used figures of flexible and foldable display to illustrate how the approach of LED pixel driver chips can be embedded on different display panels. (Image: World Intellectural Property Organization) With the patent app...

iBeam Materials, a U.S.-based company focusing on technologies for crystal-aligned coatings utilizing ion-beam-assisted deposition (IBAD) texturing, announced that Samsung Venture has invested in the company as Samsung’s strategic investments in Micro LED. iBeam pioneers in the development of ion-beam crystal alignment of thin layers deposited on a variety of substrates for optoelectronic devices. Its breakthrough in LED technology enables LEDs to be manufactured on large-area substrates as opposed to the much smaller single-crystal wafers currently used in th...

A research team formed by specialists in photonics, electrical and computer engineering and medicine jointly developed a device which integrated a 10x10 array of glass microneedles with Micro LED to deliver light for stimulating neurons in brains of mammals. Researchers from the University of Strathclyde, University of Utah and Fienstein Institute for Medical Research aim to advance optogenetic studies by connecting neural activities to specific cognitive functions in large mammals. In the study, the researchers combined a glass microneedle array with a custom fabricated...

Lumotive, the Bill Gates-funded startup developing LiDAR systems for autonomous vehicles, and Himax Display, a subsidiary of Himax Technologies, announced their collaboration on beam steering technology in LiDAR systems that integrates Himax’s Liquid-Crystal-On-Silicon (LCOS) technology with Lumotive’s patented Liquid Crystal Metasurfaces™ (LCMs). With the partnership, the two companies aim to improve the performance, reliability and cost of LiDAR systems for enabling advanced ADAS and automotive vehicle technologies. Lumotive lev...

Mini LED has been viewed as the technology to confront OLED in display applications. Industry players from Taiwan possessing expertise in LEDs and LCD see the opportunity and are accelerating their technology development, aiming to boost the LED industry. Chip maker Epistar and vertical integrated LED company Lextar both demonstrated a wide range of Mini LED products including Mini LED backlit displays for gaming notebook, monitors, automotive panels and large sized Mini LED RGB displays for outdoor signage. Automotive applications are the targe...

A research team from the University of Waterloo published their result of a successful demonstration which integrates amorphous silicon TFTs and Micro LED on large-area flexible substrates. With the approach, manufacturing of flexible Micro LED for wearables and large size displays with lower cost could be achieved. Researchers combined conventional low-temperature amorphous silicon TFT fabrication process with a laser lift-off transfer process to integrate blue GaN-based Micro LEDs with flexible TFT pixel circuits. According to the study, the selective l...

The annual Display International Touch Taiwan is taking place this week with exhibitors from all over the world showcasing their latest developments in display technology. Taiwan-based panel makers AUO and Innolux are both showing their innovative display products at the show including Mini LED backlight display, Micro LED displays and more. (Image: AUO) AUO announced that it will unveil several new display technologies covering Mini LED backlit 8K TVs as well as gaming monitors, notebook panels and VR wearable displays adopting Mini LED backlig...

The 8th Touch Taiwan will begin next week on August 28 at Taipei Nangang Exhibition Hall. This year, with the expanding exhibition zone of Micro LED and Mini LED Product and Solution, many expect to see innovative technologies and applications at the show. There will be 37 exhibitors including Epistar, Lextar, Macroblock, ASM Pacific Technology, Tory, Topcon showcasing their latest development of Micro LED and Mini LED at Touch Taiwan 2019. Exhibitors of the supply chain will present their technology related to Micro/Mini LED from upstream ...

When and in what product Apple will adopt Micro LED display technology has been an ongoing topic for the industry. Apple Watch and AR/VR smart glasses were the two products that are most likely to adopt Micro LED according to industry rumors as well as Apple’s revealed patents. On August 1, 2019, a new Micro LED display patent applied by Apple was published in Europe, reported Patently Apple. The patent abstract described that it states the structure and methods of Micro LED display fabrication, including how LEDs are transferred to a carrier subst...

The European Union announced an establishment of a new three-year project, ELIoT (Enhance Lighting for the Internet of Things), which aims to develop mass market Internet of Things (IoT) solutions using LiFi. With LiFi, the ELIoT consortium will explore a networked wireless communication technology operating in the previously unused light spectrum, besides Wi-Fi and cellular radio. LiFi can be used in environments where certain radiofrequencies are not possible or allowed. For outdoor usage, it could offer high bandwidth point-to-point links from rooftops, ...

Shulin District, New Taipei City, Taiwan, July 30, 2019-Everlight has filed invalidation trial procedures against Nichia ‘s YAG patents in United States, Australia, China and Taiwan. Everlight has received these winning judgements. Supreme Court of the United States has decided that the asserted claims of Nichia’s US YAG patents US5,998,925 and US7,531,960 are invalid. Full Court of Federal Court of Australia has decided that the asserted claims of Nichia’s Australia YAG patent 720234 are invalid. On May 9, 2019, Beijing Inte...

Scientists have demonstrated blue light’s anti-microbial and anti-inflammatory effects and they turned it into a flexible bandage to heal wounds. MEDILIGHT, a European research project which aims to develop smart and wearable medical devices, have presented a prototype of the LED embedded light solution for treating chronic wounds. Within the framework of the European project MEDILIGHT, seven partners including research teams from Germany France, Switzerland, Cyprus, the UK and Czech, were coordinated by the Technical University of Berlin (TUB)....

LASER COMPONENTS, specialized provider of components and services in the laser and optoelectronics industry, has been named a “Best of Sensors” 2019 Award winner in the Automotive/Autonomous category. The company’s QuickSwitch Pulsed Laser Diode (PLD) was recognized as one of the Innovative Products of the Year 2019 which highlights cutting-edge advancements and achievements that are moving the sensors industry forward. Across fourteen categories, the prestigious awards were presented by the Editor of Fierce- Electronics during Sensors Expo & Conference 2019, held June 25-27, 2019 in San Jose, California.

Nanotechnology development company UbiQD announced an optical fiber-coupled luminescent concentrator technology as a new tool for optimizing light in controlled environments, enabling light-guiding to future UbiGro™ spectrum-control greenhouse products. "We continue to push the envelope with light optimization in greenhouses," said Dr. Hunter McDaniel, CEO of UbiQD. "One exciting potential use case is in vertical farming, where you could use our quantum dot-based luminescent fibers to harvest sunlight and optimally transmit that energy to multiple la...

Celebrating Macroblock’s20th anniversary and facing the rise of 5G era, Macroblock this year helds a whole day symposium with interesting topics regarding 5G era LED displays and HDR challenges and solutions. Furthermore, the demonstration zones also roll out advanced LED display technologies for the 2nd half of 2019. Fig.1 Comprehensive LED display solution demos at Macroblock’s Symposium Macroblock spreads outthe demo zones into 4 zones: 1. 5G Future-High Frame Rate Demo 2.Highly-integrated LED Display Driver IC Demo 3. 16-Channel L...

LEDs can be lit on by urine without electricity! A Japanese professor developed a fuel cell which can be powered by urea, a component of urine, to light up LEDs. The approach would offer light source when being in places without electricity such as in the mountains or in times of disaster. The Japan News reported that Keiichi Kaneto, a visiting professor at the Osaka Institute of Technology, created an electricity generable sheet which contains an alloy of copper and nickel and was coated by resin. The sheep reacted to urine drops and could then illuminate a small blue L...

LED technology enables a wider range of lighting applications, including various types of luminaires. A German company, LUCEM, created a material of light-emitting concrete which is made of layers of transmitting optical fibers. The material allows designers to break the limitation of luminaires for more flexible and creative architecture and interior design. (Image: LUCEM) The products are mixture of fine concrete and optical fibers. The company used thousands of fine optical fibers that are only 0.5 mm diameter, put them layers by layers with the specially designed...