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Samsung and LG Move Toward ALD for OLED Barrier Films

Still, there is no one-size-fits-all solution to barrier films yet.

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By: DAVID SAVASTANO

Contributing Editor, Coatings World and Ink World

Recently, the two leading flexible organic light-emitting diode (OLED) display manufacturers, Samsung and LG, were reported to introduce atomic layer deposition (ALD) technology in the barrier film manufacturing process.   Currently, both Samsung and LG use alternating organic/inorganic layers to protect the OLED devices, which are extremely sensitive to oxygen and moisture (for more details, see the report “The Multi-Billion-Dollar Emerging Display Opportunities”).   However, the way they e...

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