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OLED Materials Processing with High Power UV Picosecond Lasers

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OLED Materials Processing with High Power UV Picosecond Lasers

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Manufacturing of flexible organic light-emitting diode (OLED) displays is critical for next-generation consumer electronic devices, including foldable phones. OLED displays are comprised of multiple layers of polymer materials, including polyimide, polyethylene terephthalate (PET) and cyclo olefin polymer (COP). These materials are transparent to infrared and visible wavelengths and are prone to thermal damage, making them difficult to machine with conventional laser sources. Increasingly, ultraviolet (UV) picosecond (ps) lasers are becoming a promising solution for processing such materials. Both the ultrashort pulse width and the UV wavelength help to create small, high quality features at high processing rates.

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