Korea 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.
China-based ShineOn, established in 2010, is a global LED package and module solution provide for the lighting and display markets.
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.
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.
Established in 2008 in Taiwan as a subsidiary of AU Optronics, Lextar Electronics Corporation is a leading LED developer. Lextar produces LED chips, LCD backlights, automotive LEDs, lumiaires and other lighting solutions.
In 2018 Lextar introduced its first micro-LED chips - both RGB ones and color conversion ones, both suitable for mass transfer processes.
Japan-based Nichia Corporation is a leading chemical engineering and manufacturing company that produces LEDs, laser diodes, battery materials and more.
Nichia develops micro-LED chips, transfer technologies and related equipment.
Taiwan-based Epileds Technologies was established in 2006 at the Tainan Science Park. Epileds develops, designs and produces blue, green, red, and white light LED wafers and chips.
Established in 2006, China-based Changelight is a manufacturer of LED devices, mostly for outdoor applications.
In 2018 it was reported that Changelight is developing both mini-LEDs and micro-LEDs. For micro-LED displays, Changelight focuses on chip and mass transfer technologies.