| 摘要 |
A light emitter including a substrate, at least one semiconductor layer of a first conductivity type formed on the substrate, at least one semiconductor layer of a second conductivity type formed on a partial region of the semiconductor layer of the first conductivity type, a first bonding electrode connected to the semiconductor layer of the first conductivity type and a second bonding electrode connected to an almost entire surface of the semiconductor layer of the second conductivity type, wherein the substrate is transparent to light emitted from a proximity of a junction between the semiconductor layer of the first conductivity type and the semiconductor layer of the second conductivity type, the second bonding electrode is formed to have an almost rectangular shape and a substantially minimum area for bonding, and sides of the emitter are disposed in three directions of the circumstance of the second bonding electrode. |
