公开(公告)号：US11646544B2

公开(公告)日：2023-05-09

申请号：US17388728

申请日：2021-07-29

Applicant: NICHIA CORPORATION

Inventor： Tomonori Miyoshi ,  Hiroaki Yuto ,  Teruhiko Noguchi

IPC: H01S5/00 ,  H01S5/068 ,  H01S5/042 ,  H01S5/02257 ,  H01S5/024 ,  H01S5/02216 ,  H01S5/02325

CPC classification number: H01S5/0087 ,  H01S5/02257 ,  H01S5/042 ,  H01S5/06825 ,  H01S5/0071 ,  H01S5/02216 ,  H01S5/02325 ,  H01S5/02469

Abstract: A method of manufacturing an optical member includes: providing a conversion member and a holding member connected to the conversion member; removing a portion of the conversion member and a portion of the holding member to obtain a first surface of the conversion member and a second surface of the holding member; and heat-treating the first surface of the conversion member and the second surface of the holding member.

公开(公告)号：US10670200B2

公开(公告)日：2020-06-02

申请号：US15910921

申请日：2018-03-02

Applicant: NICHIA CORPORATION

Inventor： Teruhiko Noguchi ,  Toshio Akita ,  Yasuhisa Kotani

IPC: F21K9/64 ,  F21V29/70 ,  F21V9/00 ,  H01S5/00 ,  C09K11/77 ,  F21Y115/30 ,  H01L33/58 ,  H01L33/60

Abstract: An optical component includes: a light transmissive member having an upper face, a lower face, and at least one lateral face; and a light reflecting member that surrounds the at least one lateral face of the light transmissive member, wherein the light reflecting member is made of a ceramic that contains a plurality of pores, and wherein the plurality of pores are localized in a vicinity of the light transmissive member in a cross section that extends through the light transmissive member and the light reflecting member.

公开(公告)号：US11162645B2

公开(公告)日：2021-11-02

申请号：US17087827

申请日：2020-11-03

Applicant: NICHIA CORPORATION

Inventor： Teruhiko Noguchi ,  Toshio Akita ,  Yasuhisa Kotani

IPC: F21K9/64 ,  F21V29/70 ,  F21V9/00 ,  H01S5/00 ,  C09K11/77 ,  H01L33/60 ,  F21Y115/30 ,  H01L33/58

Abstract: A light emitting device includes: a light transmissive member having an upper face, a lower face, and at least one lateral face; a light reflecting member that surrounds the at least one lateral face of the light transmissive member, the light reflecting member being made of a ceramic that contains a plurality of pores; a heat dissipation member disposed under the light reflecting member and the light transmissive member, the heat dissipation member having light transmissivity; and a light emitting element disposed apart from the heat dissipation member in such a manner as to transmit light from the light emitting element through the heat dissipation member and the light transmissive member.

公开(公告)号：US11108210B2

公开(公告)日：2021-08-31

申请号：US16230690

申请日：2018-12-21

Applicant: Nichia Corporation

Inventor： Tomonori Miyoshi ,  Masanobu Tanaka ,  Hiroaki Yuto ,  Akinori Hara ,  Teruhiko Noguchi

IPC: H01S5/02257 ,  H01S5/00 ,  H01S5/068 ,  H01S5/042 ,  H01S5/024 ,  H01S5/02216 ,  H01S5/02325

Abstract: An optical member includes a conversion member including a first surface that serves as a light-irradiated surface or a light extraction surface, and adapted to convert laser light, which is an excitation light, into light having a wavelength different from a wavelength of the excitation light; a holding member holding the conversion member and including a second surface that is continuous with the first surface of the conversion member; and a wiring having an elongated shape and extending continuously along the first surface of the conversion member and the second surface of the holding member.

公开(公告)号：US10859216B2

公开(公告)日：2020-12-08

申请号：US16860303

申请日：2020-04-28

Applicant: NICHIA CORPORATION

Inventor： Teruhiko Noguchi ,  Toshio Akita ,  Yasuhisa Kotani

IPC: F21K9/64 ,  C09K11/77 ,  H01S5/00 ,  F21V9/00 ,  F21V29/70 ,  F21Y115/30 ,  H01L33/60 ,  H01L33/58

Abstract: A light emitting device comprising: an optical component comprising: multiple light transmissive members, the light transmissive member having an upper face, a lower face, and at least one lateral face; and a light reflecting member that surrounds the at least one lateral face of the light transmissive member, wherein the light reflecting member is made of a ceramic that contains a plurality of pores, and wherein the plurality of pores are localized in a vicinity of the light transmissive member in a cross section that extends through the light transmissive member and the light reflecting member; multiple light emitting elements disposed on an upper surface of a substrate; and wherein the optical component is arranged on upper faces of the light emitting elements such that one light transmissive member is positioned on the upper face of one or two or more light emitting elements.