ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,698,444, issued on Aug. 4, was assigned to Merck Patent GmbH (Darmstadt, Germany).

"Liquid-crystalline medium" was invented by Sven Christian Laut (Darmstadt, Germany), Hee-Kyu Lee (Pudong New Area, China) and Jing Wang (Pudong New Area, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Liquid-crystalline (LC) media containing a combination of 2-phenylthiophene derivatives of formula G and formula U or LC materials and energy saving liquid-crystal displays (LCDs) containing these media, especially gaming displays and AR/VR headsets addressed by an active matrix and in particular to LC displays of the TN, PS-TN, STN, TN-TFT, OCB, IPS, PS-IPS, FFS, HB-F...