US Patent Issued to Sharp on Aug. 4 for "Method of exchanging ligands, quantum dot composition, and electroluminescent element" (Japanese Inventor)

ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,698,436, issued on Aug. 4, was assigned to Sharp K.K. (Sakai City, Japan).

"Method of exchanging ligands, quantum dot composition, and electroluminescent element" was invented by Yuma Yaguchi (Sakai City, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of exchanging ligands includes a step of mixing a QD composition in which intermediate ligands and QDs are dissolved in a water solvent with a target-ligand-substituting solvent in which target ligands are dissolved, to replace the intermediate ligands with the target ligands. The target ligands do not dissolve in the water solvent and are soluble in different solvents depending on whether or...