Patent ID: 11868005
Assignee: NICHIA CORPORATION
Field: Optics (Instruments)
Classification: CPC G  F | IPC F  G

Claim 18:
19. A partitioning member comprising:
a plurality of first wall parts defining a plurality of first ridges extending in a first direction, the first wall parts defining at least one first cut on at least one of the first ridges, the at least one first cut extending through an entire thickness of a corresponding one of the first wall parts; and
a plurality of second wall parts defining a plurality of second ridges extending in a second direction that intersects the first direction, wherein
the first wall parts and the second wall parts define a plurality of partitioned regions arranged in the first direction and the second direction, each of the partitioned regions being surrounded by the first ridges and the second ridges in a plan view and including an opposing pair of the first wall parts and an opposing pair of the second wall parts, wherein the at least one first cut segmentalizes the at least one of the first ridges to allow the at least one of the first ridges to shrink along the first direction when a thermal load is applied to the partitioning member.