ALEXANDRIA, Va., April 21 -- United States Patent no. 12,606,739, issued on April 21, was assigned to Konica Minolta Inc. (Tokyo).

"Luminescent compound, method for producing luminescent compound, luminescent composition, luminescent thin film and luminescent particles" was invented by Shumpei Hitosugi (Inagi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A luminescent compound has a structure represented by a general formula (1),wherein R represents a luminescent dye skeleton, X represents an ionic substituent, and L represents a single bond, an oxygen atom, a sulfur atom, a selenium atom, or an NH group."

The patent was filed on March 29, 2021, under Application No. 17/919,015.

*For further inform...