LED developers

Polar Light Technologies

Polar Light Technologies logoPolar Light Technologies was spun-off from Sweden's Linköping University to commercialize a monolithic approach to produce pyramidal microLEDs using a MOCVD-based a bottom-up growth process.

Ennostar

Ennostar logoTaiwan-based Ennostar was established in early 2021 as a joint venture between Epistar and Lextar. Ennostar is the holding company that owns both Epistar and Lextar, and together the two companies hold about 12.5% of the global LED chip market.

Ennostar official goal is to become a multinational investment platform for the compound semiconductor industries. Specifically the focus is on mini LEDs and microLEDs products and technologies.

Porotech

Pototech logoPorotech was spun-off the University of Cambridge, to commercialize a porous GaN material platform technology using a unique production method.

Porotech targets several markets, including quantum computing, power electronics, lasers and microLEDs.

Unity Opto

Unity Opto logoTaiwan-based Unity Opto Technology, established in 1993, develops and markets a wide variety of LED products, including LED packages, LED back lighting for displays and automotive LED products.

In 2020 Unity Opto announced plans to invest $1.9 billion NT (around $64 million USD) to setup six new production lines for mini-LEDs and micro-LEDs.

Iljin Display

Iljin Display logoKorea based ILJIN Display is a producer of sapphire substrates, and the only company in Korea that makers sapphire single crystal and substrates.

ILJIN supplies microLED substrates to microLED developers - including to Epistar, PlayNitride and Samsung Electronics.

Seoul Semiconductor

Seoul Semiconductor logo Korea-based Seoul Semiconductor, established in 2000, develops and commercializes LEDs for automotive, general illumination, specialty lighting, and backlighting markets. The company says it is the world's second-largest LED maker (excluding the captive market). Seoul holds over 12,000 patents.

In January 2019 Seoul Semiconductor announced it will soon introduce its offering of Micro-LED products for next generation displays.

Micro Nitride

Japan-based Micro Nitride was established in 2018 as a subsidiary of Nitride Semiconductors to develop micro UV LED chips for Micro-LED displays.

Micro Nitride's technology, called μUV-LED+RGB phosphor, uses UV micro-LEDs and RGB phosphors.