Patent ID: 11962121
Assignee: NICHIA CORPORATION
Field: Optics (Instruments)
Classification: CPC H | IPC H

Claim 10:
11. A light emitting device comprising:
a light emitting element configured to emit light;
an optical member on which the light is incident;
a base member including a first alignment mark, a second alignment mark, a third alignment mark, and a fourth alignment mark, the base member having a disposition surface on which the optical member is disposed;
a cover bonded to the base member to define a closed space in which the optical member is arranged, wherein
the first alignment mark and the second alignment mark are arranged outside the closed space,
the third alignment mark and the fourth alignment mark are arranged inside the closed space, and
a straight line connecting the first alignment mark and the second alignment mark is parallel to a straight line connecting the third alignment mark and the fourth alignment mark.