US Patent Issued to Mitsubishi Chemical, National Institute for Materials Science on Aug. 5 for "Phosphor, light-emitting device, illumination device, image display device, and indicator lamp for vehicle" (Japanese Inventors)

ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,378,471, issued on Aug. 5, was assigned to Mitsubishi Chemical Corp. (Tokyo) and National Institute for Materials Science (Tsukuba, Japan).

"Phosphor, light-emitting device, illumination device, image display device, and indicator lamp for vehicle" was invented by Kyota Ueda (Tokyo), Tomoyuki Kurushima (Tokyo), Atsushi Ooishi (Tokyo) and Naoto Hirosaki (Ibaraki, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A phosphor includes a crystal phase having a composition represented by RexMAaMBbMCcDdXe, in which MA includes at least one of Ca, Sr, Ba, Na, K, Y, Gd, or La, MB includes at least one of Li, Mg, or Zn, MC includes at least one of Al, Si, Ga, I...