公开(公告)号：US12117690B2

公开(公告)日：2024-10-15

申请号：US18331559

申请日：2023-06-08

Applicant: NICHIA CORPORATION

Inventor： Satoru Niimi ,  Ryuma Marume

IPC: G02F1/13357 ,  F21V8/00 ,  G02F1/1335

CPC classification number: G02F1/133603 ,  G02B6/0021 ,  G02B6/0036 ,  G02B6/0068 ,  G02F1/133524

Abstract: A light-emitting module includes a light source unit, and a light guide member surrounding the light source unit in a plan view and including a first hole portion opening on a side of a first surface of the light guide member and a second hole portion and a third hole portion, the second hole portion and the third hole portion are aligned in a first direction, a depth of the first hole portion from the first surface is shallower than a depth of the second hole portion from the first surface and a depth of the third hole portion from the first surface, and in the plan view, a maximum length of the second hole portion in the first direction is longer than a maximum length of the second hole portion in a second direction orthogonal to the first direction.