公开(公告)号：US11934003B2

公开(公告)日：2024-03-19

申请号：US17872598

申请日：2022-07-25

Applicant: NICHIA CORPORATION

Inventor： Yukihiro Miura ,  Masaaki Katsumata ,  Ryohei Yamashita ,  Takashi Matsuo

IPC: F21V8/00

CPC classification number: G02B6/0088 ,  G02B6/0016 ,  G02B6/0043 ,  G02B6/0085

Abstract: A planar light source includes: a support member; a light guide member disposed on the support member and having a light source positioning part; and a light source disposed on the support member while being in the light source positioning part of the light guide member. The support member includes: an insulation base having a first face positioned closer to the light source and a second face positioned opposite the first face, a first conductive layer disposed on the first face of the insulation base and electrically connected to the light source, an adhesive layer disposed on and in contact with the first face of the insulation base and the first conductive layer, and a light reflecting sheet disposed on the adhesive layer.