Belgium-based QustomDot developed Cadmium-free quantum dots technology that can be applied directly on small microLED chips, based on technology that originated from Ghent University.
QustomDot announced several collaborations, with XTPL, MICLEDI, Aledia, and others. We posted a spotlight article on QustomDot in 2023.
In December 2024, the company raised 5 million Euros to accelerate its QD development and commercialization.
US-based Adeia is an R&D company that develops innovative technologies for the media, entertainment and semiconductor industries.
For the MicroLED industry, Adeia develops high performance hybrid bonding solutions, DBI Wafer to Wafer Hybrid Bonding and Ultra Die-to Wafer / Die to Die Hybrid Bonding.
ALLOS Semiconductors is an IP licensing and technology company that focuses on GaN-on-Si technology.
For the micro-LED market, ALLOS offers a turn-key technology transfer to establish a super-uniform CMOS-compatible large (200 mm) epiwafer process at customers within only 12 weeks.
In November 2017 ALLOS and Veeco demonstrated 200mm GaN-on-Si wafers for micro-LED production. In 2020 ALLOS sold its high-power electronics and RF business to AZUR SPACE to focus its business on the microLED display market. In November 2022 we posted a spotlight article on ALLOS Semiconductors.
US-based Amorphyx develops amorphous-metals based display backplanes, which can be used to drive displays using quantum-tunneling. The company says that such backplanes will enable extremely fast conductivity and thus "unlimited" refresh rates.
Amorphyx's AMNR-based backplane are compatible with LCDs, OLEDs, microLED and e-paper displays.
US-based Avicena, established in 2019, develops high-speed optical chip-to-chip communication devices based on microLEDs. In 2025, Avicena launched its scalable and modular LightBundle interconnect platform.
In May 2025, Avicena announced that it has secured its Series B funding round, raising $65 million. Avicena raised a total of $120 million to date.
In 2022 the company acquired Nanosys' GaN microLED fab and engineering team. Avicena uses the fab and team to develop and produce high-speed GaN microLEDs optimized for its application. The GaN microLED fab was previously owned by glō (before it was acquired by Nanosys), which invested over $200 million in the facilities, which include epitaxy, wafer processing, and lift-off and transfer tools to post-process silicon ICs with optical interfaces.
CEA-Leti is a non-profit research institute based in Grenoble, France. CEA-Leti is one of the world's largest microelectronics and nanotechnology organizations.
Leti develops micro LED displays, with a focus on high-performance microdisplays. Leti has implemented this LED technology to manufacture high-brightness μLED arrays hybridized on silicon circuits. CEA-Leti also developed microLED communication technology.
In 2017 Leti demonstrated the world's first 10-um GaN Microdisplay and in 2019 Leti researchers developed a new CMOS-based process to produce high performance Micro-LED displays. In 2011, Aledia was established as a spin-off from CEA-Leti to develop and commercialize its 3D Nanowire microLED display technology.
US-based Compound Photonics develops high-resolution microdisplay technologies for the AR and MX markets. The company's main products are LCoS displays.
CP used to collaborate with Plessey Semiconductor to apply its display backplane to Plessey's microLED frontplane. Following Plessey's acquisition by Facebook, CP developed its own microLED display technology.
In 2022, Compound Photonics was acquired by Snap.
Founded in 2017 as a spin-off from the university of Turku, Finland, Comptek Solutions develops quantum technology (branded as Kontrox) that boosts the performance of devices such as microLEDs and lasers and makes their manufacturing process easier by solving the problem of aggressive oxidation of compound semiconductor materials.
Kontrox results in a high-quality passivation layer with substantially reduced defect densities that help to greatly decrease the surface recombination phenomena which is a predominant mechanism for such small devices.
Comptek says that MicroLED efficiencies increase significantly with Kontrox, the company has demonstrated up to 250% EQE (external quantum efficiency) improvements.
Crystalwise, established in 2000 in Taiwan, produces hard substrates for semiconductor applications. The company mass produces LiTaO3, LiNbO3 substrates for SAW Filter devices and sapphire substrates for blue-white LED epitaxy.
Crsytalwise offers 6-inch polished wafers for Micro-LED growth.
Germany-based DELO, established in 1961, is a global producer of industrial adhesives, with subsidiaries in the USA, China, Singapore, Malaysia and Japan. DELO targets many industries, including semiconductors, flat panel displays, automotive, consumer electronics, life sciences, aerospace, and more.
DELO's adhesives are used in the display industry, to bond and seal display panels, glass covers, and optical components. Specifically for microLEDs, the company develops conductive adhesives that can be used to connect microLEDs.
Austria-based FAMETEC, a member of the EBNER Group of companies, produces wafers grown using a McSap (multi net shape c-axis Sapphire boules) process. The company produces high-end 6", 8" and 12" epi-ready sapphire wafers.
FAMETEC produces wafers specifically for microLED growth, and is shipping wafers to a tier-1 Asian microLED developer.
The Fraunhofer Institute for Applied Polymer Research (IAP) develops bio-based and synthetic polymers, from the laboratory to the industrial scale. Applications are diverse across many markets, such as bio-based packaging, lightweight materials, truck tires and more.
The Fraunhofer IAP is active in the display industry, with its IAP functional polymer systems division looking into a broad range of materials, including light-emitting polymers and quantum dots. The focus lies in solution processing of these materials with a strong focus on printing methods.
Specifically for the MicroLED industry, the institute developed quantum dot materials as light converting materials for microLEDs. The IAP participates in the CoCoMe research project that develops printed QD color filters.
FRONICS (Flexible electRONICS) was established in 2016 in Korea as a spin-off from the Korea Advanced Institute of Science and Technology (KAIST) to commercialize smart acoustic sensors and wearable devices.
In February 2018 KAIST announced that FRONICS will also commercialize its new flexible Micro-LED technology.
Canada-based Hyperlume was established in 2022 to develop a low-energy optical interconnect solution for chip-to-chip communication. The company's technology relies on microLED arrays to enable high bandwidth and lower power consumption.
In early 2025, the company raised $12.5 million USD in its seed round. In September 2025, the company was acquired by Credo.
III-N Technology (or 3N-Tech) was established in 2000 in the US with an aim to develop single-chip power AC-LED devices. The technology can be used to produce micro-LED arrays
III-N Technology's invention evolves from the micro-LED array technology by the same inventors, which was featured on the cover of Compound Semiconductor magazine in November 2000. The micro-LED array consists of several tens of nitride LED devices fabricated on a single semiconductor chip. The emitters can be individually addressed so that the chip acts as a multi-pixel microdisplay.
III-V Lab is a private R&D organisation jointly established by Nokia, Thales and the CEA in France. III-V focuses on III-V semiconductors and has strong competences and established track record in R&D from advanced modeling to transfer to production in the field of III-V SC (GaAs, InP, GaN...).
One of the application areas III-V is developing is LED microdisplays. In May 2017 III-V and LETI demonstrated the world's first WVGA 10-μm pitch GaN microdisplay.
UK-based IQE is a pure play compound semiconductor provider with a global footprint, that supplies advanced materials and wafer products to the semiconductor industry. IQE business segments include wireless, photonics and CMOS.
Over the years IQE collaborated with several microLED makers regarding microLED wafers. In May 2023 the company launched a new portfolio of 200mm (8”) Red, Green and Blue epitaxial wafer products for microLED display qualification.
Taiwan's ITRI (Industrial Technology Research Institute) is a national research organization, with a mission of conducting technological research, promoting industrial development, creating economic value and improving social welfare for Taiwan. ITRI, founded in 1973, is the largest applied technology R&D institution in Taiwan.
ITRI has been developing microLED technologies for many years, including microdisplays, a microLED sensor platform, tiled microLED displays, and more.
Jasper Display Corp (JDC) was a fabless semiconductor company, established in 2010 in Taiwan. The company's main business lines were its microdisplay Spatial Light Modulators (SLM) and color-sequential LCoS microdisplays.
In January 2018 JDC unveiled a new micro-LED silicon backplane for AR and VR microdisplays.
In 2022, Jasper Display's IP and R&D team were sold to Raxium (later acquired by Google).
Suzhou-based LEKIN Semiconductor was established in 2021, following the acquisition of LG Innotek's optoelectronic compound semiconductor IP. The company's main products include high efficiency ultraviolet LEDs, infrared VCSELs, automotive LEDs, and other optoelectronic devices.
In 2025, the company announced plans to build a $735 million automotive-grade modules and displays production line. In the second phase, this fab will be used to develop and produce microLED displays.
