September 16, 2021
Technology

LG Chem develops new cover window technology for foldable IT devices

[Courtesy of LG Chem]

SEOUL — Using a new coating technology, LG Chem, the chemical unit of South Korea’s LG Group, has developed a cover window for foldable IT devices. The flat surface is hard like glass, but folding parts are flexible like plastic. Commercial production is possible in 2023.

Cover windows for IT devices are a key material that protects display panels from impact while conveying clear images. Unlike polyimide films and tempered glass, LG Chem said its cover window provides solutions optimized for foldable phones by maximizing flexibility and improving chronic folding marks of the connection.

Commercialized cover windows are optimized for in-folding, where the screen folds inward, while LG Chem’s cover window is able to implement out-folding. Compared to tempered glass, the company said its “real folding window” is thinner and has the…

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