ALEXANDRIA, Va., March 3 -- United States Patent no. 12,566,283, issued on March 3, was assigned to LMS Co. LTD. (Pyeongtaek-si, South Korea).
"Optical absorbent" was invented by Joon Ho Jung (Pyeongtaek-si, South Korea) and Hee Kyeong Kim (Pyeongtaek-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides an optical absorbent and its application. The invention provides the optical absorbent, as an organic optical absorbent, exhibiting excellent compatibility or solubility in various solvents and resin components, and having excellent heat resistance thereby providing the optical absorbent capable of stably maintaining optical properties even under high temperature condi...