US Patent Issued to Nano and Advanced Materials Institute on April 14 for "Red-luminescent phosphor with long afterglow and fabrication method thereof" (Chinese Inventors)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,600,906, issued on April 14, was assigned to Nano and Advanced Materials Institute Ltd. (Hong Kong).

"Red-luminescent phosphor with long afterglow and fabrication method thereof" was invented by Han Wang (Hong Kong), Qingyi Yang (Hong Kong) and Jifan Li (Hong Kong).

According to the abstract* released by the U.S. Patent & Trademark Office: "A red-luminescent long-afterglow phosphor, represented by MgxZnyGezO3: aMn2+, bEu3+, cR3+. The phosphor is a kind of oxide compound based white powder. The phosphor powder synthesis process is environmentally friendly, no sintering-assisted gas required and no harmful gas generated during or after sintering. The phosphor powder can be excited by ...