US Patent Issued to Microworks Solutions on April 14 for "Polyamide-imide-based film, preparation method thereof, and cover window and display device comprising the same" (South Korean Inventors)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,600,828, issued on April 14, was assigned to Microworks Solutions Co. Ltd. (Chungcheongnam-do, South Korea).

"Polyamide-imide-based film, preparation method thereof, and cover window and display device comprising the same" was invented by Han Jun Kim (Gyeonggi-do, South Korea), Jin Woo Lee (Gyeonggi-do, South Korea), Sang Hun Choi (Gyeonggi-do, South Korea), Jin Yong Lee (Gyeonggi-do, South Korea) and Heung Sik Kim (Gyeonggi-do, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The embodiments provide a polyamide-imide-based film, which comprises a polyamide-imide-based polymer, wherein when the coefficients of thermal expansion in the MD dire...