ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,719,236, issued on Aug. 25, was assigned to Sony Semiconductor Solutions Corp. (Kanagawa, Japan).
"Light emitting device" was invented by Takahiro Arakida (Kumamoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A light emitting device according to an embodiment of the present disclosure includes: a substrate; a first contact layer; a buffer layer in which at least any of a carrier concentration, a material composition, and a composition ratio is different from that of the first contact layer; and a semiconductor stacked body. The substrate has a first surface and a second surface that are opposed to each other. The first contact layer is stacked...