Patent ID: 11894492
Assignee: HAMAMATSU PHOTONICS K.K.
Field: Semiconductors (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 2:
3. The light emitting element according to claim 1, wherein
the top surface of the mesa portion is formed in a rectangular shape having a pair of first sides extending along a first direction and a pair of second sides extending along a second direction perpendicular to the first direction when viewed in the thickness direction of the substrate,
the side surface of the mesa portion includes a pair of first surfaces respectively connected to the top surface on the pair of first sides and a pair of second surfaces respectively connected to the top surface on the pair of second sides,
at the first part, the light passage opening is formed closer to a side of one of the pair of first surfaces than a center of the top surface when viewed in the thickness direction of the substrate, and
the second part is formed at least on the one of the pair of first surfaces and the pair of second surfaces.