Korea-based optical equipment maker Philoptics announced that it raised around $3.5 million that will be dedicated to the development of FMM technologies for OLED production. The company aims to raise a further $8.6 million by the end of the year to continue the development.

Philoptics will use the funds to finalize the development of 6-Gen FMM masks and build a pilot production line for these masks. Philoptics FMM production uses electro forming, where an invar is plated on a patterned substrate. The company says that using this method the FMM masks are thinner compared to other technologies which can increase the possible OLED resolutions under production.

The Electro forming method also features excellent lead times and quality control.

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