公开(公告)号：US20200371398A1

公开(公告)日：2020-11-26

申请号：US16989797

申请日：2020-08-10

Applicant: NICHIA CORPORATION

Inventor： Mamoru IMADA ,  Toshiaki MORIWAKI ,  Yusaku ACHI

IPC: G02F1/13357 ,  F21V8/00 ,  H01L33/52 ,  H01L25/075 ,  G02B6/00

Abstract: Provided is a method of manufacturing a light emitting module, the method including: providing a light guiding plate having a first main surface serving as a lighting surface, and a second main surface opposite to the first main surface, the second main surface defining a recess thereon, preparing a light emitting element unit by attaching a wavelength conversion portion to a light emitting element having electrodes and a light emitting surface; providing a light diffusion portion at a bottom of the recess; depositing the light emitting element unit onto the light diffusion portion in the recess; and forming a terminal having an electrical conductivity on the electrodes of the light emitting element.

公开(公告)号：US20200044121A1

公开(公告)日：2020-02-06

申请号：US16529005

申请日：2019-08-01

Applicant: NICHIA CORPORATION

Inventor： Mamoru IMADA ,  Toshiaki MORIWAKI ,  Yusaku ACHI ,  Ryohei YAMASHITA

IPC: H01L33/50 ,  H01L33/10 ,  H01L33/36 ,  H01L33/54

Abstract: A light emitting module includes: a plurality of light emitting elements each having a primary light emitting surface and a lateral surface; a plurality of wavelength conversion members arranged respectively on the primary light emitting surfaces of the plurality of light emitting elements; and a lightguide plate having a first primary surface and a second primary surface and arranged continuously on the plurality of wavelength conversion members so that the second primary surface faces the plurality of wavelength conversion members, wherein the lightguide plate includes a plurality of recessed portions located on the second primary surface, and a lateral surface of at least one of the plurality of wavelength conversion members is partially in contact with an inner lateral surface of at least one of the plurality of recessed portions.

公开(公告)号：US20190369316A1

公开(公告)日：2019-12-05

申请号：US16428387

申请日：2019-05-31

Applicant: NICHIA CORPORATION

Inventor： Mamoru IMADA ,  Yusaku ACHI

IPC: F21V8/00

Abstract: A light emitting module and a planar light source reduced in thickness are provided. A light emitting module includes: a light guide plate including a first main surface serving as a light emitting surface, a second main surface provided on a side opposite to the first main surface, and a recess provided at the second main surface; a first fluorescent material layer provided in the recess; a light emitting element provided at the first fluorescent material layer on the second main surface side; and a second fluorescent material layer provided at the second main surface.