ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,525,766, issued on Jan. 13, was assigned to SEIKO EPSON Corp. (Tokyo).
"Light-emitting device, projector, and display" was invented by Takashi Miyata (Shiojiri, Japan) and Yoji Kitano (Chino, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A light-emitting device including a substrate, a plurality of column portions each including a first semiconductor layer of a first conductivity type, a second semiconductor layer of a second conductivity type different from the first conductivity type, and a light-emitting layer provided between the first semiconductor layer and the second semiconductor layer, an electrode including a first electrode layer elect...