Quantum Dots - Page 2

MicroLED-Connect is a hybrid event series, a year-long program of virtual and onsite events, all focused on the microLED industry. The first online 2-day webinar was hosted successfully last month, with over 25 lectures (all recordings accessible for pass holders). The next event is a startup showcase, that will be hosted on February 22, 2024.

The startup showcase includes lectures from 8 leading microLED startup companies, covering topics such as microdisplays, AR headset development, microLED production, transfer processes and microLED inspection.

Now is a great time to reserve your ticket and make sure you stay updated with the latest innovation from the following startup companies: Rayleigh Vision, Inziv, Comptek Solutions, QustomDot, Terecircuits, iBeam Materials, Kura Vision and NS Nanotech. You can read the complete agenda here.

We're happy to interview Dr. Uwe Vogel, the Deputy Director of the Fraunhofer FEP and the Division Director of the Fraunhofer's Microdisplays and Sensors division, as part of our series of interviews with MicroLED Industry Association members. The Fraunhofer Institute for Organic Electronics, Electron Beam and Plasma Technology (Fraunhofer FEP) is located in Dresden, Germany, and focuses on developing innovative solutions, technologies and processes for surface modification and organic electronics.

Hello Dr. Vogel. Can you introduce your company and technology?

The Fraunhofer Institute for Organic Electronics, Electron Beam and Plasma Technology FEP is one out of 76 institutes and research units of the Fraunhofer-Gesellschaft e. V., the largest European institution for applied research. The core competences of Fraunhofer FEP are electron beam technologies, vacuum thin film deposition techniques and technologies for organic electronics, microdisplay technology and sensors. Main activities target development and adaption of the thin film deposition technologies to a wide range of industrial applications. Fraunhofer FEP runs multiple pilot-scale vacuum coating systems.

MicroLED developer Mojo Vision announced that it has closed its Series A funding round, raising $43.5 million. In April 2023 the company announced the first trench of its Series A funding ($22.4 million), which means that the company now raised $21.1 million.

This round was led by long-time investors (New Enterprise Associates and Khosla Ventures) and new investors (Vanedge Capital) with participation from several investors including Shanda Grab Ventures, Dolby Family Ventures, Advantech capital and Fusion Fund.

We're happy to interview GE, as part of our series of interviews with MicroLED Industry Association members. GE offers narrow band red and green phosphor technologies known as KSF and PFS, suitable for microLED color conversion.

Can you introduce your company and technology?

Rachel Cassidy, PhD, MBA: The General Electric Company (GE) is an American multinational company. For more than 125 years, GE has invented the future of industry. Today, GE is best known for its work in the Power, Renewable Energy, Aviation and Healthcare industries.

GE’s Licensing team provides access to GE’s patent portfolio and technical and intellectual resources. Licensees receive world-leading technology paired with advice and guidance to accelerate their technology development and achieve market differentiation.

The GE LED Phosphors team has world class chemistry and physics expertise as well characterization capabilities that have resulted in commercial successes in both lighting and LCD display technologies. Multimillion-dollar yearly revenue, multiple awards, hundreds of patents, over 20 licensees of our patents, along with various publications and invited conference presentations show that this team is on the cutting edge of luminescent material development and can advance from concept to invention to commercialization. Our narrow band red phosphor technology known as KSF (K2SiF6:Mn) can be found in over 60 billion LEDs as well as remote films for miniLED applications sold into the display industry.  The great success of KSF phosphor in the display industry is due to the high color gamut and energy efficiency that has best in class reliability.

US-based Saphlux has developed a 0.39" full-color microLED Microdisplay, based on the company's NPQD color conversion technology. You can see a sample of Saphlux's T1-0.39 RGB display in the video below. 

Saphlux's first microdisplay offers a maximum white brightness of 250,000 nits, and a wide color gamut. The company is using high-EQE blue microLEDs (it has a partner that supplies the LEDs) and its NPQD technology achieves 67% photon conversion efficiency. The company's technology enables a pixel pitch of sub-2 microns. 

The MicroLED Industry Association (MIA) welcomes new members Excyton, Mitsui Kinzoku, Pixelligent and Q-Pixel, joining over 30 existing members (including large corporations, startup companies, research institutes and more). The MIA aims to accelerate the adoption of microLED display technologies, bringing together companies, researchers and organizations active in the MicroLED industry and providing an ideal forum for solving common technology issues, fostering cooperation and sharing relevant information, resources and tools.

The recently joined members commented:

"Excyton joins the MicroLED Industry Association to connect with industry leaders and explore opportunities to implement its power-saving TurboLED technology in pioneering MicroLED products.”

"Mitsui Kinzoku joins the MicroLED Industry Association to help promote microLED display technologies. Mitsui's phosphors are aimed at color-conversion for microLED display.

AR microLED microdisplay developer Mojo Vision announced that it has developed the world's highest-density (1.87 um pixel pitch) red (620 nm) microLED microdisplay. Mojo produced a first working prototype of its display, that is based on 1.37 um blue LEDs with QD color conversion

Last month Mojo announced that it has achieved a process milestone and has lit-up its first 300 mm GaN-on-Silicon blue microLED array wafer. The company said it is on track to maturing its 300 mm CMOS fab process.

Taiwan-based MicroLED developer PlayNitride (a MicroLED Industry Association member) has demonstrated its latest microLED displays at Display Week 2023.

First up we have the company's tiled large-area microLED displays, called PixeLED Matrix. The company showed a 166" vertical installation, that is made from 324 modules. The total resolution is 1440x4860 (30 PPI, or a pixel pitch of 0.833 mm). This was a very nice looking demonstration.

Taiwan-based Innolux demonstrated several new microLED display prototypes at Display Week 2023.

First up is a small round active-matrix 1.1" 374x374 (338) PPI microLED panel. This one was produced on an LTPS backplane and offers a brightness of 500 nits (relatively low for a microLED display. The LEDs are 40 um in size.