US Patent Issued to National Institute for Materials Science on July 22 for "Wavelength conversion member" (Japanese Inventors)

ALEXANDRIA, Va., July 23 -- United States Patent no. 12,365,837, issued on July 22, was assigned to National Institute for Materials Science (Ibaraki, Japan).

"Wavelength conversion member" was invented by Yusuke Arai (Tokyo), Hiroyuki Sawano (Tokyo), Daisuke Inomata (Tokyo), Yoshihiro Yamashita (Tokyo), Rikiya Suzuki (Saitama, Japan), Kiyoshi Shimamura (Ibaraki, Japan) and Encarnacion Antonia Garcia Villora (Ibaraki, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A wavelength conversion member includes a sintered body of a phosphor. An average diameter of pores in an arbitrary cross section falls within a range of not less than 0.28 micro metre and not more than 0.98 micro metre. A ratio of an area of...