ALEXANDRIA, Va., July 15 -- United States Patent no. 12,662,632, issued on June 23, was assigned to Merck Patent GmbH (Darmstadt, Germany).
"Liquid-crystal media and PNLC light modulation element" was invented by Stephen Mulcahy (Southampton, Great Britain) and Eduardo Beltran Gracia (Southampton, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a cholesteric liquid crystalline (LC) medium for a Polymer-Network Liquid Crystalline (PNLC) light modulation element, to a method of its production and to the use of such cholesteric LC media in PNLC light modulation elements. Furthermore, the present invention relates to PNLC light modulation elements, as such, to a meth...