公开(公告)号：US09929323B2

公开(公告)日：2018-03-27

申请号：US15480416

申请日：2017-04-06

Applicant: NICHIA CORPORATION

Inventor： Toru Hashimoto

IPC: H01L33/54 ,  H01L33/50 ,  C09K11/08 ,  C09K11/61 ,  C09K11/77 ,  H01L33/00 ,  H01L33/56 ,  H01L33/60 ,  H01L33/62

CPC classification number: H01L33/54 ,  C09K11/0883 ,  C09K11/617 ,  C09K11/7734 ,  H01L33/0095 ,  H01L33/50 ,  H01L33/504 ,  H01L33/505 ,  H01L33/56 ,  H01L33/60 ,  H01L33/62 ,  H01L2933/0041 ,  H01L2933/005 ,  H01L2933/0058 ,  H01L2933/0066 ,  H01L2933/0091

Abstract: The method for manufacturing a light-emitting device includes flip-chip mounting a first light-emitting element and a second light-emitting element on a substrate separately from each other, bonding a first light-transmissive member to the first light-emitting element, the first light-transmissive member having a first lateral surface, and bonding a second light-transmissive member to the second light-emitting element, the second light-transmissive member having a second lateral surface, with the second lateral surface being separated from and facing the first lateral surface, scraping at least one of the first lateral surface and the second lateral surface to expose at least one of a modified first lateral surface and a modified second lateral surface, forming a light-reflective covering member on the substrate to cover the first lateral surface or the modified first lateral surface, and the second lateral surface or the modified second lateral surface, and cutting the substrate and the covering member between the first lateral surface or the modified first lateral surface, and the second lateral surface or the modified second lateral surface.

公开(公告)号：US09799799B2

公开(公告)日：2017-10-24

申请号：US15447754

申请日：2017-03-02

Applicant: NICHIA CORPORATION

Inventor： Toru Hashimoto

IPC: H01L33/00 ,  H01L33/08 ,  H01L33/50

CPC classification number: H01L33/08 ,  H01L33/46 ,  H01L33/50 ,  H01L33/505 ,  H01L33/54 ,  H01L33/58 ,  H01L33/60 ,  H01L2933/0016 ,  H01L2933/0033 ,  H01L2933/005

Abstract: A light emitting device includes: a light emitting element that includes a light extracting surface, an electrode formed surface opposite to the light extracting surface, one or more lateral surfaces, and a pair of electrodes positioned on the electrode formed surface; a light-transmissive member that includes a light entering surface, a light exiting surface opposite to the light entering surface, and one or more lateral surfaces, the light entering surface being disposed on the light extracting surface; an insulating member that covers the lateral surfaces and the electrode formed surface of the light emitting element, and is disposed to expose at least part of the pair of electrodes; a first metal layer that covers the lateral surfaces of the light-transmissive member; and a second metal layer that covers the lateral surfaces of the light emitting element interposing the insulating member.

公开(公告)号：US12100785B2

公开(公告)日：2024-09-24

申请号：US17675652

申请日：2022-02-18

Applicant: NICHIA CORPORATION

Inventor： Toru Hashimoto

IPC: H01L33/58 ,  H01L33/48 ,  H01L33/50 ,  H01L33/60

CPC classification number: H01L33/483 ,  H01L33/502 ,  H01L33/58 ,  H01L33/60 ,  H01L2933/0041 ,  H01L2933/0058

Abstract: A light emitting device includes a light emitting element having an upper emission face, a lower face and a lateral face(s); a reflecting member having an upper face, a lower face and inner and outer lateral faces, wherein the inner lateral face(s) is disposed on the lateral face side of the light emitting element; a wavelength conversion member having an upper emission face, a lower face and a lateral face(s), wherein the lower face is disposed on the upper emission face of the light emitting element and on the upper face of reflecting member; and a cover member having inner and outer lateral faces, wherein the inner lateral face(s) completely covers the lateral face(s) of the wavelength conversion member. The cover member contains a reflecting substance and a coloring substance, and the body color of the wavelength conversion member and body color of the cover member are the same or similar in color.

公开(公告)号：US11892670B2

公开(公告)日：2024-02-06

申请号：US17972879

申请日：2022-10-25

Applicant: NICHIA CORPORATION

Inventor： Takuya Nakabayashi ,  Toru Hashimoto ,  Keiji Emura

IPC: F21V8/00 ,  F21V13/14 ,  F21Y105/16 ,  F21V7/00 ,  G02F1/13357

CPC classification number: G02B6/0021 ,  F21V7/0091 ,  F21V13/14 ,  F21Y2105/16 ,  G02B6/0038 ,  G02F1/133603 ,  G02F1/133605 ,  G02F1/133606

Abstract: A light emitting module including: a light guide member including: an emission region defined by a sectioning groove, a light source placement part located in the emission region, and a light adjusting hole; and a light source disposed in the light source placement part. In the schematic top view: the light adjusting hole is not positioned on a first straight line connecting (i) a center of the light source and (ii) a point in the sectioning groove that is farthest from the center of the light source, and a first lateral face of the light adjusting hole has a first region, and a line normal to the first region is oblique to a second straight line connecting (i) the center of the light source and (ii) a point in the sectioning groove that is closest to the center of the light source.

公开(公告)号：US11421856B2

公开(公告)日：2022-08-23

申请号：US17163516

申请日：2021-01-31

Applicant: NICHIA CORPORATION

Inventor： Toru Hashimoto

IPC: F21V9/40

Abstract: A light emitting module includes at least one light source, a light guide member having a demarcating groove configured to demarcate at least one light emitting region, and at least one light source arrangement part located in each of the at least one light emitting region and accommodating a light source, a first light-reflecting member disposed in the demarcating groove, and a wavelength converting member covering an upper surface of the light guide member.

公开(公告)号：US11264552B2

公开(公告)日：2022-03-01

申请号：US16670539

申请日：2019-10-31

Applicant: NICHIA CORPORATION

Inventor： Shinichi Daikoku ,  Toru Hashimoto

IPC: H01L33/62 ,  H01L33/38 ,  H01L33/50 ,  H01L33/58 ,  H01L33/60

Abstract: The light emitting device includes: a light emitting element, a covering member, a pair of electrode layers, and a pair of electrode terminals. The light emitting element has an electrode-formed surface on which a pair of electrode posts are formed. The covering member covers an electrode-formed surface of the light emitting element while forming an exposed portion of each of the pair of electrode posts which is exposed from the covering member. The pair of electrode layers are provided on a surface of the covering member and electrically connected to the exposed portions of the pair of electrode posts. The pair of electrode terminals are electrically connected to the pair of electrode layers, and provided on the surface of the covering member. The pair of electrode terminals are thicker than the pair of electrode layers, and are disposed at an interval larger than an interval between the pair of electrode posts.

公开(公告)号：US11254077B2

公开(公告)日：2022-02-22

申请号：US16439566

申请日：2019-06-12

Applicant: NICHIA CORPORATION

Inventor： Teruhito Azuma ,  Toru Hashimoto ,  Tadao Morino

IPC: B29D11/00 ,  H01L33/56 ,  H01L33/60 ,  B29L11/00 ,  B29K105/16

Abstract: A method for manufacturing a light emitting device includes: preparing a baseplate having a plate surface on which a protrusion is disposed; forming a first resin frame having an opening on the plate surface, wherein the opening is located above the protrusion; forming a second resin in the opening; detaching the baseplate; bonding a light emitting element to a surface of the second resin surface that has been exposed as a result of detaching the baseplate; and forming a third resin that surrounds lateral faces of the light emitting element and that covers and contacts a portion of the first resin frame.

公开(公告)号：US11165006B2

公开(公告)日：2021-11-02

申请号：US16582197

申请日：2019-09-25

Applicant: NICHIA CORPORATION

Inventor： Toru Hashimoto ,  Yoichi Bando ,  Tadaaki Ikeda ,  Gensui Tamura

IPC: H01L33/62 ,  H01L33/40 ,  H01L25/075

Abstract: The method of manufacturing a light emitting device includes: providing a first intermediate body, the first intermediate body including a temporary substrate including a base and a pair of first wirings, and a light emitting element including a pair of element electrodes, each of the pair of element electrodes connected to a respective one of the first wirings via a respective one of a plurality of solders; removing a portion of the temporary substrate to form a second intermediate body having a second lower surface in which a lower surface of each of the element electrodes and a lower surface of each of the plurality of solders are located; and forming a pair of external connection electrodes on the second lower surface such that each of the pair of external connection electrodes cover a respective one of the element electrodes and a respective one of the plurality of solders.

公开(公告)号：US11069843B2

公开(公告)日：2021-07-20

申请号：US16586398

申请日：2019-09-27

Applicant: NICHIA CORPORATION

Inventor： Toru Hashimoto

IPC: H01L33/58 ,  H01L33/60 ,  H01L33/50 ,  H01L33/52

Abstract: A light-emitting device includes: a light-emitting element; a first light-diffusion layer disposed laterally to the light-emitting element and constituting a first portion of lateral surfaces of the light-emitting device; a second light-diffusion layer disposed above the light-emitting element and the first light-diffusion layer and constituting a second portion of the lateral surfaces of the light-emitting device; a light-control portion disposed between the first light-diffusion layer and the second light-diffusion layer and configured to reflect a portion of light emitted from the light-emitting element; and a first light-reflection layer disposed on the second light-diffusion layer.

公开(公告)号：US10854790B2

公开(公告)日：2020-12-01

申请号：US16229409

申请日：2018-12-21

Applicant: NICHIA CORPORATION

Inventor： Takuya Nakabayashi ,  Tadaaki Ikeda ,  Toru Hashimoto ,  Yukiko Yokote

IPC: H01L33/50 ,  H01L25/075 ,  H01L33/58 ,  H01L33/62 ,  H01L33/64 ,  C09K11/61 ,  H01L33/60

Abstract: A light emitting device includes a first light emitting element including a rectangular first light extraction surface, a second light emitting element including a rectangular second light extraction surface and emitting light having an emission peak wavelength different from an emission peak wavelength of the first light emitting element, and a light-transmissive member covering the first light extraction surface and the second light extraction surface. The light-transmissive member includes a first light-transmissive layer facing the first light extraction surface and the second light extraction surface, a wavelength conversion layer located on the first light-transmissive layer, and a second light-transmissive layer located on the wavelength conversion layer. The first light-transmissive layer contains a first matrix and first diffusive particles. The wavelength conversion layer contains a second matrix and wavelength conversion particles. The second light-transmissive layer contains a third matrix and second diffusive particles.