ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,464,872, issued on Nov. 4, was assigned to NICHIA Corp. (Anan, Japan).
"Light emitting element" was invented by Takao Misaki (Anan, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A light emitting element includes: a semiconductor stack structure including: a first semiconductor layer of a first conductivity type, which, in a top plan view, has a first portion, and a second portion within the first portion, a second semiconductor layer of a second conductivity type disposed on the second portion, and an active layer. The first portion has a peripheral portion positioned at a periphery of the second portion, and a plurality of extended portions exten...