公开(公告)号：US20230378407A1

公开(公告)日：2023-11-23

申请号：US18319190

申请日：2023-05-17

Applicant: NICHIA CORPORATION

Inventor： Toru HASHIMOTO ,  Yuki SHIBUTANI ,  Masaya MIYAZAKI ,  Masato TANABE

IPC: H01L33/60

CPC classification number: H01L33/60 ,  H01L2933/0058

Abstract: A light-emitting module includes a light source part, a light-transmitting member including a first light-transmitting part and a second light-transmitting part, the second light-transmitting part is positioned at an upper side of the light source part and the first light-transmitting part, and a light-adjusting member located at an upper side of the light source part, the first light-transmitting part, and the second light-transmitting part, wherein the first light-transmitting part contacts a lateral surface of the light source part, the light-adjusting member includes a through-hole positioned away from the light source part in a plan view, the light-transmitting member includes a recess communicating with the through-hole, and at least a portion of the recess is positioned lower than a lower surface of the light-adjusting member.

公开(公告)号：US20230335687A1

公开(公告)日：2023-10-19

申请号：US18332824

申请日：2023-06-12

Applicant: NICHIA CORPORATION

Inventor： Toru HASHIMOTO

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

CPC classification number: H01L33/505 ,  H01L33/58 ,  H01L33/60 ,  H01L2933/0058 ,  H01L2933/0041

Abstract: A light emitting device includes a light emitting element, a light guide member, a reflecting member, a wavelength conversion member. The light emitting element has a light emitting surface and lateral surfaces. The light guiding member is provided on at least a portion of the lateral surfaces of the light emitting element. The reflecting member is provided on the lateral surface of the light emitting element with the light guiding member interposed therebetween. The wavelength conversion member is provided on the light emitting surface of the light emitting element, the light guiding member and the reflecting member. The wavelength conversion member is provided with a recess between an outer lateral surface of the wavelength conversion member and the light guiding member. The reflecting member is provided in the recess.

公开(公告)号：US20220349555A1

公开(公告)日：2022-11-03

申请号：US17813308

申请日：2022-07-18

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：US20210239296A1

公开(公告)日：2021-08-05

申请号：US17163485

申请日：2021-01-31

Applicant: NICHIA CORPORATION

Inventor： Takuya NAKABAYASHI ,  Toru HASHIMOTO

IPC: F21V9/30 ,  F21V14/06

Abstract: A planar light source includes a light guide member having a through hole, a light source, a first light adjusting member, a second light adjusting member, and a light transmissive member. The first light adjusting member having reflectivity and transmissivity with respect to light from the light source is disposed on or above an upper face of the light source in the through hole. The second light adjusting member having reflectivity and transmissivity with respect to the light from the light source is disposed above and apart from the first light adjusting member. The first light transmissive member having a higher transmissivity with respect to the light from the light source than the transmissivities of the first and second light adjusting members is disposed between the first light adjusting member and the second light adjusting member, and between a lateral face of the light source and the light guide member.

公开(公告)号：US20200161498A1

公开(公告)日：2020-05-21

申请号：US16684011

申请日：2019-11-14

Applicant: NICHIA CORPORATION

Inventor： Tadaaki IKEDA ,  Toru HASHIMOTO

IPC: H01L33/00 ,  H01L25/075 ,  H01L33/62 ,  H01L33/60

Abstract: A method for manufacturing a light emitting device includes: providing an intermediate structure including first and second layered structures arranged in a first direction in a light reflecting member, wherein each of the layered structures includes a first and second electrodes arranged in a second direction, and wherein the intermediate structure has a first surface at which the first and second electrodes are exposed; on the first surface, forming a first hole in the light reflecting member between the first electrodes as viewed in the second direction; on the first surface, forming a second hole in the light reflecting member between the second electrodes as viewed in the second direction; forming a conductive film on exposed surfaces of the first and second electrodes, and in the first and second holes; and severing the light reflecting member and the conductive film at positions that pass through the first and second holes.

公开(公告)号：US20200044115A1

公开(公告)日：2020-02-06

申请号：US16526263

申请日：2019-07-30

Applicant: NICHIA CORPORATION

Inventor： Toru HASHIMOTO ,  Takuya NAKABAYASHI

IPC: H01L33/38 ,  H01L33/40 ,  H01L23/00

Abstract: A light-emitting device includes a first light-emitting element, a second light-emitting element having a peak emission wavelength different from that of the first light-emitting element, a light-guide member covering a light extracting surface and lateral surfaces of the first light-emitting element and a light extracting surface and lateral surfaces of the second light-emitting element, and a wavelength conversion layer continuously covering the light extracting surface of each of the first and second light-emitting elements and disposed apart from each of the first and second light-emitting elements, and a first reflective member covering outer lateral surfaces of the light-guide member. An angle defined by an active layer of the first light-emitting element and an active layer of the second light-emitting element is less than 180° at a wavelength conversion layer side.

公开(公告)号：US20190198718A1

公开(公告)日：2019-06-27

申请号：US16230072

申请日：2018-12-21

Applicant: NICHIA CORPORATION

Inventor： Toru HASHIMOTO

IPC: H01L33/48 ,  H01L33/50 ,  H01L33/58 ,  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：US20180151785A1

公开(公告)日：2018-05-31

申请号：US15826568

申请日：2017-11-29

Applicant: NICHIA CORPORATION

Inventor： Toru HASHIMOTO

IPC: H01L33/60 ,  H01L33/50 ,  H01L33/54

CPC classification number: H01L33/60 ,  H01L33/502 ,  H01L33/507 ,  H01L33/508 ,  H01L33/54 ,  H01L2933/0033 ,  H01L2933/0041 ,  H01L2933/005 ,  H01L2933/0058 ,  H01L2933/0091

Abstract: A method for manufacturing at last one light-emitting device including a light-transmissive member, a light-emitting element, and a reflective member, the method including: providing a holding member comprising a plurality of through-holes or recesses; disposing a light-transmissive member in at least one of the through-holes or at least one of the recesses; disposing a light-emitting element on the light-transmissive member in the at least one through-hole or the at least one recess; forming a reflective member in contact with a lateral surface defining the at least one through-hole or the at least one recess and covering a lateral surface of the light-emitting element; and removing the at least one light-emitting device from the holding member.

公开(公告)号：US20170018686A1

公开(公告)日：2017-01-19

申请号：US15209761

申请日：2016-07-14

Applicant: NICHIA CORPORATION

Inventor： Toru HASHIMOTO ,  Yukihiro SHIBANO

IPC: H01L33/48 ,  H01L33/50 ,  H01L33/62 ,  H01L33/56

CPC classification number: H01L33/486 ,  H01L33/502 ,  H01L33/54 ,  H01L33/56 ,  H01L33/62 ,  H01L2933/0033 ,  H01L2933/0041 ,  H01L2933/005 ,  H01L2933/0066

Abstract: A method for manufacturing a light emitting device includes: mounting a light emitting element on the support body upper surface such that a light emitting element lower surface of light emitting element is opposite to the support body upper surface in a height direction, a frame and the light emitting element being mounted such that the light emitting element is located in an opening of the frame; injecting a resin into an inner space provided between the frame and the light emitting element through an inlet to form a covering member which covers the light emitting element such that at least a part of a light emitting element upper surface is exposed, the inlet connecting the inner space and an outer space opposite to the inner space with respect to the frame wall; and providing a light-transmissive member on the light emitting element.

Abstract translation: 一种制造发光器件的方法包括：将发光元件安装在支撑体上表面上，使得发光元件的发光元件下表面在高度方向上与支撑体上表面相反，框架和 发光元件被安装成使得发光元件位于框架的开口中; 通过入口将树脂注入到设置在框架和发光元件之间的内部空间中，以形成覆盖部件，覆盖部件覆盖发光元件，使得至少一部分发光元件上表面露出，入口将 内部空间和相对于框架壁相对于内部空间的外部空间; 以及在所述发光元件上设置透光构件。

公开(公告)号：US20160348876A1

公开(公告)日：2016-12-01

申请号：US15169115

申请日：2016-05-31

Applicant: NICHIA CORPORATION

Inventor： Teruhito AZUMA ,  Toru HASHIMOTO ,  Tadao MORINO

IPC: F21V7/00 ,  B29D11/00 ,  B29C45/02 ,  B29C65/56 ,  F21V17/10 ,  B29C45/00

CPC classification number: B29D11/0074 ,  B29K2105/16 ,  B29L2011/0083 ,  H01L33/56 ,  H01L33/60 ,  H01L2933/005

Abstract: A light emitting device includes a light emitting element having an upper face and lateral faces; a light transmissive member covering at least a portion of the upper face of the light emitting element and transmitting light emitted from the light emitting element; a first reflector covering at least a portion of lateral faces of the light transmissive member; and a second reflector covering the lateral faces of the light emitting element. The first reflector includes a first bottom face and a second bottom face. A plane in which the first bottom face of the first reflector extends is different than a plane in which a lower face of the light transmissive member extends. The second bottom face of the first reflector is located inward of the first bottom face of the first reflector, and is coplanar with the lower face of the light transmissive member. The first bottom face of the first reflector is covered by and in contact with the second reflector.

Abstract translation: 发光器件包括具有上表面和侧面的发光元件; 透光构件，其覆盖所述发光元件的上表面的至少一部分并透射从所述发光元件发射的光; 覆盖所述透光构件的至少一部分侧面的第一反射器; 以及覆盖发光元件的侧面的第二反射器。 第一反射器包括第一底面和第二底面。 其中第一反射器的第一底面延伸的平面不同于透光构件的下表面延伸的平面。 第一反射器的第二底面位于第一反射器的第一底面的内侧，与透光构件的下表面共面。 第一反射器的第一底面由第二反射器覆盖并与第二反射器接触。