公开(公告)号：US20240234643A9

公开(公告)日：2024-07-11

申请号：US18547307

申请日：2022-02-25

Applicant: NICHIA CORPORATION

Inventor： Kiyoshi KAYAMA ,  Takenori KUMAKURA

IPC: H01L33/48 ,  H01L25/075 ,  H01L33/58

CPC classification number: H01L33/483 ,  H01L25/0753 ,  H01L33/58

Abstract: A light-emitting device includes a support including a wall portion; a light-emitting element placed on the support and surrounded by the wall portion in a plan view; a first light-transmissive member having a first outer surface and a second outer surface, which is located above the first outer surface and is located inside the first outer surface in the plan view, and covering the light-emitting element and the wall portion; and a light-shielding member covering the first light-transmissive member. The first outer surface and the second outer surface are exposed from the light-shielding member, and a surface roughness of the first outer surface is rougher than a surface roughness of the second outer surface.

公开(公告)号：US20240136476A1

公开(公告)日：2024-04-25

申请号：US18547307

申请日：2022-02-25

Applicant: NICHIA CORPORATION

Inventor： Kiyoshi KAYAMA ,  Takenori KUMAKURA

IPC: H01L33/48 ,  H01L25/075 ,  H01L33/58

CPC classification number: H01L33/483 ,  H01L25/0753 ,  H01L33/58

Abstract: A light-emitting device includes a support including a wall portion; a light-emitting element placed on the support and surrounded by the wall portion in a plan view; a first light-transmissive member having a first outer surface and a second outer surface, which is located above the first outer surface and is located inside the first outer surface in the plan view, and covering the light-emitting element and the wall portion; and a light-shielding member covering the first light-transmissive member. The first outer surface and the second outer surface are exposed from the light-shielding member, and a surface roughness of the first outer surface is rougher than a surface roughness of the second outer surface.

公开(公告)号：US20200335674A1

公开(公告)日：2020-10-22

申请号：US16918901

申请日：2020-07-01

Applicant: NICHIA CORPORATION

Inventor： Takuya WASA ,  Shinya KONDO ,  Takenori KUMAKURA

IPC: H01L33/54 ,  H01L25/075 ,  H01L33/50 ,  B29C39/24 ,  B29D11/00

Abstract: A light emitting device includes: a substrate; and at least one light-emitting part comprising a light source and a sealing member covering the light source, wherein the sealing member includes a dent and a peripheral portion surrounding the dent, and includes at least one projection at the peripheral portion.

公开(公告)号：US20190267520A1

公开(公告)日：2019-08-29

申请号：US16288024

申请日：2019-02-27

Applicant: NICHIA CORPORATION

Inventor： Takuya WASA ,  Shinya KONDO ,  Takenori KUMAKURA

IPC: H01L33/54 ,  H01L33/50 ,  H01L25/075

Abstract: A method of manufacturing a light emitting device includes: providing a substrate and a plurality of light sources disposed on the substrate; and forming a plurality of sealing members, each covering a respective one of the plurality of light sources, by supplying a sealing material onto the substrate through a plurality of nozzles of a discharge device. The step of forming the plurality of sealing members includes: performing a first forming step, in which at least one of the sealing members is formed such that a portion of the sealing material is retained dangling from a respective at least one of the plurality of nozzles as at least one dangling thread portion, and successively performing a second forming step, which is started while the at least one dangling thread portion of the sealing material is retained dangling from the at least one of the plurality of nozzles of the discharge device.