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 introduced Micro-LED products for next generation displays. In 2022 the company unveiled its WICOP technology to package vertically stacked microLEDs. The company demonstrated several prototypes and published a roadmap in May 2023.

Korea-based Seoul Viosys provides a wide range of UV wavelength LED devices and mass produces LED chips for all wavelengths, from 200 nm to 1600 nm.

In collaboration with Seoul Semiconductors, Seoul Viosys developed a new MicroLED technology, called Micro Clean LED that packages three separate LEDs (red, green and blue) into a single MicroLED pixel. In 2022 Seoul Viosys unveiled its WICOP mp MicroPixel technology.

China-based ShineOn, established in 2010, is a global LED package and module solution provide for the lighting and display markets.

ShineOn has been developing Micro-LED technologies since 2016, including its own laser-lift-off thin-film LED technology. In 2019 the company unveiled a 139" 4K Micro-LED display prototype it developed in collaboration with Korea-based Lumens.

Taiwan-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.