A report from Korea updates that three Samsung Display researchers in Suwon were arrested for allegedly leaking OLED technology. Directors of a Chinese company subsidiary were also arrested in this case

According to the report, the technology that was leaked relates to optical alignment of inkjet printing processes. Samsung reportedly invested over 10 billion won ($8.5 million) in developing this technology.

This is the latest in many similar cases in Korea, where Chinese companies were suspected of OLED espionage. In 2018 South Korean prosecutors indicted a group of 11 executives and employees of Korea-based Toptec, a Samsung Electronics supplier, accusing them with leaking Samsung's flexible OLED technology to Chinese display makers (BOE and CSoT, in that case).

In June 2018 the South Korean prosecution indicted several officials that allegedly tried to sell Samsung's OLED technology secrets to China. These officials include Korean and Chinese researchers - and also a professor at a national Korean research institution. In October 2018, it was reported that critical information regarding OLED technologies and plans has been leaked from LG Display's headquarters - and that the company suspects espionage from Chinese-based companies.



In May 2012 employees at Israeli company Orbotech's local Korean branch were accused of leaking OLED technology form both LGD and SDC to several Chinese and Taiwanese companies. But it's not just Chinese companies that try to access protected OLED technology - in 2012 LGD was charged with stealing OLED secrets from Samsung Display as well.

In 2012 it was also reported that former AUO employees sold AMOLED technology secrets to China's CSoT.

OLED information is also finding its way from Korea to China in other ways. Chinese display makers are hiring employees from LGD and Samsung Display - offering high salaries as displays makers in China hurry to compete with the leading Korean OLED makers.

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