US Patent Issued to Sharp on Feb. 18 for "Light-emitting device for improving internal quantum efficiency" (Japanese Inventors)

ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,232,345, issued on Feb. 18, was assigned to Sharp K.K. (Sakai, Japan).

"Light-emitting device for improving internal quantum efficiency" was invented by Yusuke Sakakibara (Sakai, Japan), Masaki Yamamoto (Sakai, Japan) and Yoshihiro Ueta (Sakai, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A light-emitting device includes a first sub-pixel provided with a first light emitter, and a second sub-pixel provided with a second light emitter and constituting, together with the first sub-pixel, one of a plurality of pixels. The first light emitter has a first cathode, a first anode, and a first light-emitting layer containing a first quantum dot and disp...