US Patent Issued to RICOH on Feb. 24 for "Light emitting element, light source device, display device, head-mounted display, and biological information acquisition apparatus" (Japanese Inventors)

ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,562,549, issued on Feb. 24, was assigned to RICOH COMPANY LTD. (Tokyo).

"Light emitting element, light source device, display device, head-mounted display, and biological information acquisition apparatus" was invented by Takeshi Kawashima (Miyagi, Japan), Shunichi Sato (Miyagi, Japan) and Morimasa Kaminishi (Miyagi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A light emitting element includes an active layer; and a first reflecting mirror over the active layer. The first reflecting mirror includes a multilayer-film reflecting mirror and a first layer on a first surface. The multilayer-film reflecting mirror has the first surface and a second s...