2019-03-11

Vertically Integrated GaN LEDs Proposed to Advance Micro LED Display

Researchers at Rochester Institute of Technology in the U.S. proposed a new designed vertical integration of GaN LED which enables improved efficiency of Micro LED displays. Matthew Hartensveld and Jing Zhang from Rochester Institute of Technology published a new study on IEEE Electron Device Letter describing how they managed to vertically integrated nanowire GaN field-effect transistors (FETs) and InGaN LEDs. The novel structure places the transistor below the LED which for controlling and dimming. (Image: Hartensveld and Zhang) Comb...
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2019-02-27

5G Micro LED Display Exhibited at MWC 2019

A Micro LED equipped with 5G connection was showcased at MWC this year by the Fibocom International Alliance (FIA), an organization focuses on 5G IoT devices established by Chinese wireless communication specialist, Fibocom. According to FIA, the 5G Micro LED display, named FIA One, combines the two attention-drawing technologies and integrates existing access devices such as gateways, routers, set-top boxes, or IP TV services into a single display. FIA said the integration opens a door for new digital experiences and IoT innovations. "W...
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2019-01-31

Samsung Reports Profit Growth in 2018 and Targets Premium Products for 2019

Samsung Electronics announced its financial results for the fourth quarter and the fiscal year of 2018. The revenue and profit of 4Q18 declined due to global market uncertainty but Samsung still reached its annual goal in fiscal 2018. For 4Q18, Samsung posted a KRW 59.27 trillion (US$ 53.22 billion) quarterly revenue, which decreased by 10 percent YoY. The quarterly operating profit was KRW 10.8 trillion (US$9.7 billion), with an on-year decline of 29 percent. The yearly revenue for fiscal 2018 was KRW 243.77 trillion (US$ 218.9 billion) and operating profit cam...
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2019-01-31

Camera-Based Microscopic Imaging System for Micro LED Testing

A research team consists of scholars from Taiwan and China has developed a microscopic imaging system for inspecting Micro LED display surface luminance. Currently the major luminance measurement systems focus on inspecting the total luminance of LEDs which do not meet the requirement of Micro LED as the luminance of each individual Micro LED chips need to be evaluated. To solve the issue, researchers from Xiamen University in China and National Chiao Tung University in Taiwan proposed a method to accurately inspect the luminance of a whole micro-LED array a...
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2019-01-29

Flexible and Foldable Panels to Enter the Market Soon, Will Micro LED Follow?

Flexible and foldable panels have created a sensation since Royole and Samsung introduced their foldable phones by the end of 2018. Soon after that, LG revealed a stunning rollable TV at CES 2019. Flexible OLED displays are getting more attentions with products launched in the market in 2019. Samsung is expected to launch its folding smartphone in February 20 while its rival LG is also set to reveal a foldable smartphone soon. Meanwhile, Chinese smartphone makers including Oppo, Xiaomi and Huawei have all announced their plans of releasing folding phones in this y...
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2019-01-25

Unilumin Announces Mass Production of 0.9mm Mini-LED and Invests Smart Manufacturing Facility for Micro LED Development

Unilumin, the Chinese LED application products and integrated solutions provider, announced that it is capable to mass produce 0.9mm Mini LED and will launch Mini LED solution at ISE 2019. Meanwhile, the company also reported that it is investing a new smart manufacturing facility for the development and production of Mini/Micro LED. According to Unilumin, it is the first to mass-produce 0.9 mm LED for high-end applications which is solving previous technical barriers and addressing the issue of the high cost of traditional SMD display. (Image: Unilumin...
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2019-01-24

Oxford Instruments Partners ITRI for Micro LED Development with Plasma Etch Solutions

Oxford Instruments Plasma Technology (OIPT) announced that it has worked with Taiwan’s Industrial Technology Research Institute (ITRI) by providing multiple PlasmaPro 100 systems including both etch and deposition for ITRI’s Micro LED R&D program. The PlasmaPro 100 ICP process solutions are designed to support leading edge device applications such as Lasers, RF, Power and advanced LEDs. ITRI has been developing Micro LED technology since 2009. In 2018, with the cooperation with Macroblock, Unimicron and PlayNitrid...
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2019-01-24

【NEPCON JAPAN】ITRI and eLux Expect PIDs and Wearables to be the First Commercialized Micro LED Applications

The next-generation display technology – Micro LED, has remained a spotlight of the industry. NEPCON Japan 2019 has invited Chih-I Wu from ITRI and Paul Schuele of eLux to share their insights of the technology at the key note conference focusing on Micro LED. Wu and Schuele both began their lecture by comparing Micro LED with LCD and OLED and addressed the advantage of Micro LED. Micro LED, as considered to be the next generation display technology, is featured with high brightness, long lifetime, and low power consumption. Wu highl...
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2019-01-21

【NEPCON JAPAN】2019 Key Companies in the Micro LED/Mini LED Markets

Companies in LED and display industries are keen on investing in the development of Micro LED displays because this emerging display technology has strong potentials in a wide range of applications and spans across many industries. However, entrants in the Micro LED market still face huge barriers in terms of key technologies and equipment. LED companies have thus turned to Mini LED, of which the manufacturing technology is relatively mature, in order to explore emerging markets on one hand, and to prepare for further progress in Micro LED on the other. NEPCON...
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2019-01-21

【NEPCON JAPAN】Exciting Innovations in LED Materials and Technologies

Globalization and the rapid changes taking place in industries have raised the importance of R&D in the upstream sections of electronics supply chains (i.e. materials and equipment). Results of R&D in the upstream in fact constitute a critical driver behind technological breakthroughs and the advancement of an entire industry. Hence, manufacturers and solution developers are constantly searching for innovations in process and material technologies that can serve as the basis for developing new industrial applications. At NEPCON Japan 2019, LEDinside has spotted some...
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2019-01-14

Rohinni and BOE to Form Joint Venture for Micro LED-based Backlights

Micro and Mini LED specialist Rohinni announced that it will be forming a joint venture with Chinese panel producer BOE. The collaboration will focus on the production of micro LED lighting solutions for display backlights. The BOE-Rohinni joint venture will be based in China and controlled by BOE, combining BOE's LCD design and manufacturing expertise with Rohinni's Micro LED placement technology. Supported with Rohinni’s placement technology which is capable of placing 50 die-per-second (dps) with 10 micron accuracy at 99.999% die yields...
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2019-01-11

Sanan Optoelectronics Supplies Mini/Micro LED Chips for Display Products at CES 2019

Chinese LED maker Sanan Optoelectronics announced that the company has supplied Mini and Micro LED chips to several panel manufacturers in the products unveiled at CES 2019. Sanan noted that its LED chips have been adopted in TVs, digital displays, smartphones, smart watches, AR/VR glasses, and gaming notebooks. Mini LEDs, with its compact unit size between 100 to 200 micrometers, allow for high density backlight designs with local dimming capabilities. Sanan has begun large-scale production of RGB Mini LEDs and offers a family of RGB display and bac...
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2019-01-10

AIXTRON Provides Its AIX G5+ C to PlayNitride for Micro LED Production

AIXTRON announced that it has signed a Joint Collaboration Agreement with PlayNitride to accelerate technical and commercial breakthroughs of Micro LED. AIXTRON’s AIX G5+ C MOCVD system will be adopted by PlayNitride for the manufacturing of GaN-based (gallium nitride) Micro LEDs. PlayNitride has presented Micro LED displays with high resolution and supplied its Micro LED chips to Samsung for the 75-inch Micro LED display demonstrated at CES 2019. By signing a joint collaboration agreement, AIXTRON and PlayNitride ...
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2019-01-04

Plessey Uses Nanoco’s Quantum Dots to Shrink Micro LED Pixels for Portable Applications

Plessey Semiconductors announced that it has worked with Nanoco Technologies, the UK-based cadmium-free quantum dot (CFQD) provider to shrink the pixel size of monolithic Micro LED displays. By combining Nanoco’s CFQD semiconductor nanoparticle technology and its existing monolithic process, Plessey will integrate the quantum dots into selected regions of blue LED wafers to add red and green light. The process could shrink the practical pixel size by 87 percent, from today’s 30µm to 4µm. The advance enables the production of smaller Micro...
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2018-12-26

Chinese and Korean Panel Makers Keep Their Focus on OLED, Taiwanese Companies Dive into Mini LED and Micro LED

2018 has been a tough year for panel producers due to the dropping panel price caused by oversupply. Chinese panel makers are still expanding their production capacities for LCD and OLED displays, putting pressures on other industry players. Samsung is closing its 8.5 generation production line in 2019 and shifting the focus to QD-OLED panels in response to the price competition. LG Display also plans to expand its OLED production capacities in China and Korea targeting large sized TV displays. It is estimated that by 2020, the OLED investment of LG Displ...
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2018-12-21

Micro LED Technology Progress Highlights in 2018 – Technology Breakthroughs

Having looked back at the industry updates of Micro LED technology, let’s keep on reviewing the technology breakthroughs of Micro LED in the past year. KAIST Team Develops Flexible Vertical Micro LED to Cure Hair loss Problem In January, a researcher team at KAIST announced the development of flexible vertical micro LEDs (f-VLEDs). These f-VLEDs achieved optical power density (30 mW/mm2) three times higher than that of lateral Micro LEDs and can be applied to optogenetics for controlling the behavior of neuron cells and brains with...
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2018-12-20

Micro LED Technology Progress Highlights in 2018 – Industry Updates

For the LED and panel industry, the year of 2018 had a dramatic start with Samsung’s revealing of its Micro LED TV “The Wall” at the CES show. Since then, players in the industry have been releasing their achievements related to the next generation display technology. Several innovative solutions and applications have been disclosed in the past year including large size displays and wearable devices. As LEDinside has continued to track the progress of Micro LED development, we would like to list the significant breakthroughs and industry updates...
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2018-12-19

[Micro LED Technology Research Contest – Winner] AIXTRON Improves Epitaxy Production of Micro LED to Accelerate and Optimize Technology Development

Epitaxy wafers are key to the technology development of Micro LED displays. As Micro LED chips are extremely small, the quality of epitaxy wafers including wavelength uniformity and low defect becomes critical for further production process. AIXTRON, the German-based technology company, has illustrated how its MOCVD systems can significantly improve wavelength uniformity and decrease defect density of Micro LED epitaxy wafer with its article, titled “AIXTRON’s MOCVD Technology Breakthrough for Micro LED High Volume Manufacturing....
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2018-12-19

[Micro LED Technology Research Contest – Second Place] Uniqarta Introduces Its Laser Technology for Micro LED Assembly

Developing cost-effective methods for transferring Micro LEDs is critical for the commercialization of Micro LED display technology. How to accurately assemble numerous tiny sized Micro LEDs to targeted places efficiently has been one of the biggest challenges for worldwide Micro LED technology developers. Uniqarta, a U.S.-based startup who focuses on developing innovative assembly methods for integrated circuit (IC), has shared with LEDinside how its laser-based transfer technology can be applied for Micro LEDs. Its article, titled “Laser-Enabled E...
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2018-12-19

[Micro LED Technology Research Contest – Third Place] Tesoro Proposes In-Process Functional Test to Improve Micro LED Mass Production

The key for commercializing Micro LED technology is to holistically improve the manufacture process and to achieve cost-effective high volume production of Micro LED displays. Major industry players in the production chain from the LED chip makers, transfer technology developers to panel producers and end products brands have all dedicated themselves to work on solutions for the goal. Tesoro Scientific, established by Francois J. Henley in 2017, focuses on the enhancement of Micro LED production. Its research paper, titled “Novel In-Process Functional Tes...
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2018-12-17

Plessey to Showcase Micro LED AR/VR Glasses at CES 2019

Plessey, the UK-based optoelectronic technology solutions provider, announced that it is going to demonstrate AR and VR glasses powered by Micro LEDs at CES 2019. Plessey’s Micro LEDs are put in action for AR applications with Vuzix, who has collaborated with Plessy in the development of Micro LED smart glasses. According to Plessey, its Micro LEDs offer 10 times the resolution, 100 times the contrast ratio, and up to 1,000 times the luminance compared to traditional OLEDs. Furthermore, the device uses only half the power consumption, doubling b...
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2018-12-14

Winners of Micro LED Technology Research Contest Unveiled [Update]

The “Micro LED Technology Research Contest” held by LEDinside has received numerous articles providing innovative and practical solutions to enhance the manufacturing of Micro LED during June 6th – September 10th, 2018. LEDinside was very excited to learn all these novel ideas and technologies offered by different institutes and companies from all over the world. Selecting the winning articles was a tough task as most of them have proposed unique perspectives on how to solve the mass transfer issue of Micro LED or improve their yield rate. 
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2018-12-11

Financial Updates: AOT, LiteOn and Laster Tech Report Revenue Drop due to Seasonality

LED manufacturers reported revenue drop for November as the demands decrease in the off-peak season. AOT, the LED company under the Foxconn Group, has posted a revenue of NT$ 332 million (US$ 10.76 million) for November with a decrease of 10.4% MoM and 39.9% YoY. LED backlighting is the major business of the company which accounts for more than 90 percent of its revenue. Therefore, the dropped demands of TV backlight due to seasonality led to the decreased monthly revenue of AOT. (Image: AOT) AOT also began the development of Mini and Micro LE...
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2018-11-27

Taiwanese Equipment Supplier Targets Micro LED Mass Transfer Products

Gallant Precision Machining (GPM), a Taiwan-based semiconductor equipment provider, reported that its business has been growing stably with orders from penal producers and semiconductor companies. The company and its subsidiary GMM have also been pushing the development of Micro LED transfer equipment which is expected to enter the market by the first quarter of 2019. GPM and its subsidiary GMM have focused on equipment for different Micro LED production. GPM targets in-process testing equipment for Micro LED chips while GMM is focused on Micro LED...
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2018-11-26

LED Medical Applications for Healthcare Enhancement

Combining LED technology and medical research, several integrations have been revealed, showing the potential of the technology in healthcare applications and development. LEDinside has collected some innovative examples of LED applications which create possibilities for future medical improvement. Elastic Micro LED skin sensor system In February 2018, a new ultrathin, elastic Micro LED display that fits snugly on the skin was developed by researchers at the University of Tokyo and Dai Nippon Printing (DNP) in an academic-industrial collaboration. The int...
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2018-11-13

Plessey Buys EV Group’s Wafer Bonding System for Its GaN-on-Si Monolithic Micro LED Production

UK-based Micro LED producer Plessey has announced a partnership with EV Group (EVG), a wafer bonding and lithography equipment supplier. The aim of the collaboration is to accelerate the commercialization of GaN-on-Si monolithic Micro LED technology.
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2018-11-09

Veeco and ALLOS Update Their Progress for 200mm GaN-on-Si Micro LED Production and Applications

Veeco Instruments and ALLOS Semiconductors have continued their collaboration in developing GaN-on-Si epitaxy wafer for Micro LED production. The two companies have partnered to demonstrate the reproducibility of ALLOS’ 200 mm GaN-on-Si epitaxy wafer technology on Veeco’s Propel® MOCVD reactor. “To bring Micro LED technology into production, simply presenting champion values for a single metric is insufficient. It is essential to achieve the whole set of specifications for each wafer with excellent repeatability and yield,” ...
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2018-11-08

[Micro LED Technology Research Contest – Honorable Mention] Mass Production Solution of Micro-LED without Mass Transfer

Mass transferring is one of the biggest obstacles for the mass production of Micro LED display technology. Many players in the industry have come up with different methods to solve the issue and it is also a focal point in the Micro LED Technology Research Contest, where several research papers targeted the topic. The article submitted by Thomos Q. Ke has illustrated an idea to produce Micro LED without the process of mass transfer. The paper, titled “Mass Production Solution of Micro-LED without Mass Transfer” was awarded with an honorable menti...
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2018-11-05

[Micro LED Technology Research Contest – Honorable Mention] Quantum Dots Based Full-color Display on MicroLED Technology

Researchers in the industry and in the academic field have dedicated their efforts to overcome the difficulties of Micro LED display technologies. Currently the bottlenecks of the technology lie in six major areas including mass transferring process, the production of epitaxial wafer, method for full-color display, driver IC design, backplanes and testing and repair technology. One of the articles awarded with honorable mention in the Micro LED Technology Research Contest hosted by LEDinside has focused on the method for full-color display. The article, titled “Q...
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2018-11-05

Soitec’s Relaxed InGaN Substrates Enable Pure Red Emission for Full-Color Micro LED Displays

Micro LED displays require the use of red, green and blue (RGB) LEDs, achieved by mixing nitride LEDs and phosphide LEDs. This mixing causes blue, green and red LEDs to behave differently in terms of temperature and aging, which impacts the quality of image color. Moreover, blue, green and red LEDs each require specific electronic drivers, making integration more complex. (Figure 1: Red emission at 630nm of 100µmx100µm of full InGaN LED grown on Soitec’s InGaNOS) RGB LEDs composed of the same material inducing the same behav...
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TSLC Corporation, a subsidiary of SemiLEDs, launched sampling of its tri-color Mini LED series, targeted to provide LED display manufacturers with surface-mounting (SMT) compatible devices. The first product in the tri-color multi pixel series... READ MORE

The German chemistry giant BASF has revealed its development of dark automotive paint colors that are reflective to LiDAR for enhancing the detecting function of autonomous cars. LiDAR plays a critical role to the development of autonomous veh... READ MORE