公开(公告)号：US20230367153A1

公开(公告)日：2023-11-16

申请号：US18360747

申请日：2023-07-27

Applicant: NICHIA CORPORATION

Inventor： Toshiyuki HASHIMOTO ,  Shimpei SASAOKA

IPC: G02F1/13357

CPC classification number: G02F1/133611 ,  G02F1/133603 ,  G02F1/133608 ,  G02F1/133605 ,  B60K35/00

Abstract: A light source device includes light sources arranged on a substrate in a matrix, and a reflective member. The reflective member includes first walls respectively surrounding the light sources, and defining first regions, and second walls located on an outer side of the first walls, and defining second regions each having an opening facing outside of the reflective member. The reflective member defines a pair of first sides parallel to one of a vertical direction and a lateral direction in a plan view, the pair of first sides being constituted by a part of the reflective member including at least one of the first walls and the first regions, and a second side inclined or curved with respect to the pair of first sides, the second side being constituted by a part of the reflective member including at least one of the second walls and the second regions.

公开(公告)号：US20170207377A1

公开(公告)日：2017-07-20

申请号：US15477119

申请日：2017-04-03

Applicant: NICHIA CORPORATION

Inventor： Shimpei SASAOKA ,  Takuya NAKABAYASHI

IPC: H01L33/62 ,  H01L27/15 ,  H01L33/48

CPC classification number: H01L33/62 ,  H01L24/45 ,  H01L24/48 ,  H01L24/49 ,  H01L25/0753 ,  H01L25/13 ,  H01L27/156 ,  H01L33/486 ,  H01L2224/45124 ,  H01L2224/45139 ,  H01L2224/45144 ,  H01L2224/45147 ,  H01L2224/45169 ,  H01L2224/48091 ,  H01L2224/48247 ,  H01L2224/4909 ,  H01L2224/49107 ,  H01L2924/00014 ,  H01L2924/181 ,  H01L2924/00 ,  H01L2224/45015 ,  H01L2924/207 ,  H01L2924/00012

Abstract: A light emitting apparatus includes a package and at least one light emitting device. The package has a package bottom surface and defining a recessed portion having a recessed portion bottom surface. The package includes a first leadframe, a second leadframe, and a resin portion. The first leadframe has a first leadframe upper surface and a first leadframe bottom surface. The second leadframe has a second leadframe upper surface and a second leadframe bottom surface. The first leadframe has a first leadframe main portion and a first leadframe extension portion. A first recessed part is formed at the first leadframe bottom surface and embedded with the resin portion. The first leadframe forms a second recessed part at an upper surface thereof other than an area approximately above the first recessed part, while the second recessed part is not provided on the area approximately above the first recessed part.

公开(公告)号：US20160247991A1

公开(公告)日：2016-08-25

申请号：US15143677

申请日：2016-05-02

Applicant: NICHIA CORPORATION

Inventor： Shimpei SASAOKA ,  Takuya NAKABAYASHI

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

CPC classification number: H01L33/62 ,  H01L33/38 ,  H01L33/486 ,  H01L33/54 ,  H01L33/56 ,  H01L2224/48091 ,  H01L2224/48247 ,  H01L2924/18301 ,  H05K1/0313 ,  H01L2924/00014

Abstract: A light emitting device includes a molded package and one or more light emitting components. The molded package includes a recess, two leads, and a molded resin part. A part of the recess is defined by a side wall formed from the molded resin part. At least one of the two leads includes an upper-surface portion exposed from a bottom surface of the recess. The at least one of the two leads includes a groove at an upper surface threreof. The groove is filled with a part of the molded resin part. The part of the molded resin part includes a first portion and a second portion. The first portion is exposed from the bottom surface of the recess. The second portion connects with a bottom surface of the side wall.

Abstract translation: 发光器件包括模制封装和一个或多个发光元件。 模制包装包括凹部，两个引线和模制树脂部件。 凹部的一部分由由模制树脂部分形成的侧壁限定。 两个引线中的至少一个包括从凹部的底表面露出的上表面部分。 两个引线中的至少一个引线在上表面包括凹槽。 凹槽被模制树脂部分的一部分填充。 模制树脂部分的一部分包括第一部分和第二部分。 第一部分从凹部的底表面露出。 第二部分与侧壁的底面连接。

公开(公告)号：US20160049566A1

公开(公告)日：2016-02-18

申请号：US14928570

申请日：2015-10-30

Applicant: NICHIA CORPORATION

Inventor： Hirofumi ICHIKAWA ,  Masaki HAYASHI ,  Shimpei SASAOKA ,  Tomohide MIKI

IPC: H01L33/64 ,  H01L33/60 ,  H01L33/62

CPC classification number: H01L33/486 ,  B29C45/0055 ,  B29C45/14655 ,  B29C2793/009 ,  H01L24/97 ,  H01L33/0095 ,  H01L33/504 ,  H01L33/56 ,  H01L33/60 ,  H01L33/62 ,  H01L33/641 ,  H01L2224/48091 ,  H01L2224/48247 ,  H01L2224/48257 ,  H01L2924/12035 ,  H01L2924/12041 ,  H01L2924/12042 ,  H01L2924/181 ,  H01L2924/3025 ,  H01L2933/0033 ,  H01L2933/0066 ,  H01L2924/00014 ,  H01L2924/00 ,  H01L2924/00012

Abstract: A method of manufacturing a light emitting device having a resin package which provides an optical reflectivity equal to or more than 70% at a wavelength between 350 nm and 800 nm after thermal curing, and in which a resin part and a lead are formed in a substantially same plane in an outer side surface, includes a step of sandwiching a lead frame provided with a notch part, by means of an upper mold and a lower mold, a step of transfer-molding a thermosetting resin containing a light reflecting material in a mold sandwiched by the upper mold and the lower mold to form a resin-molded body in the lead frame and a step of cutting the resin-molded body and the lead frame along the notch part.

Abstract translation: 一种制造具有树脂封装的发光器件的方法，所述树脂封装在热固化之后在350nm和800nm之间的波长处提供等于或大于70％的光学反射率，并且其中树脂部分和引线形成在 在外侧表面上具有大致相同的平面，包括通过上模和下模夹着设置有切口部的引线框架的步骤，将含有光反射材料的热固性树脂转印成型 模具夹在上模具和下模具之间以在引线框架中形成树脂模制体，以及沿切口部分切割树脂模制体和引线框架的步骤。

公开(公告)号：US20250044638A1

公开(公告)日：2025-02-06

申请号：US18919706

申请日：2024-10-18

Applicant: NICHIA CORPORATION

Inventor： Koki SHIBAI ,  Naoya KASHIWAGI ,  Shimpei SASAOKA

IPC: G02F1/13357

Abstract: A planar light source has a plurality of light sources, a substrate, and a partitioning member. The partitioning member includes a first member provided with first partitioned parts each having a first bottom part and first oblique parts surrounding the first bottom part that are arranged on the substrate in a matrix, and a second member provided with second partitioned parts each having a second bottom part and second oblique parts surrounding the second bottom part that are arranged on the substrate in a matrix. The first member further has first outer oblique parts overlapping the second oblique parts located along the outer edge of the second member on the first member side. The first bottom parts and the second bottom parts each have a light source disposition opening, and the light sources are individually disposed on the substrate exposed in the light source disposition openings.

公开(公告)号：US20220404671A1

公开(公告)日：2022-12-22

申请号：US17837984

申请日：2022-06-10

Applicant: NICHIA CORPORATION

Inventor： Koki SHIBAI ,  Yoshihiro SHO ,  Motokazu YAMADA ,  Naoya KASHIWAGI ,  Shimpei SASAOKA

IPC: G02F1/13357

Abstract: A planar light source includes a substrate, light sources, and a partitioning member. The partitioning member defines partitioned regions arranged in a first direction and in a second direction that intersects the first direction. At least one of the light sources is arranged in a corresponding one of the partitioned regions. The partitioning member includes a plurality of first wall parts defining a plurality of first ridges extending in the first direction, and a plurality of second wall parts defining a plurality of second ridges extending in the second direction. The first wall parts define at least one first cut on at least one of the first ridges. At least one of the partitioned regions is surrounded by the first ridges and the second ridges in a plan view and includes an opposing pair of the first wall parts and an opposing pair of the second wall parts.

公开(公告)号：US20210336094A1

公开(公告)日：2021-10-28

申请号：US17371943

申请日：2021-07-09

Applicant: NICHIA CORPORATION

Inventor： Hirofumi ICHIKAWA ,  Masaki HAYASHI ,  Shimpei SASAOKA ,  Tomohide MIKI

IPC: H01L33/48 ,  H01L33/00 ,  H01L33/64 ,  H01L33/60 ,  H01L33/62 ,  B29C45/00 ,  H01L33/50 ,  H01L23/00 ,  H01L33/56 ,  B29C45/14

Abstract: A light emitting device includes: a resin package including: a resin part, and a plurality of leads including a first lead and a second lead, wherein the resin package has a concave portion having a bottom face at which a part of an upper surface of the first lead and a part of an upper surface of the second lead are exposed from the resin part; a light emitting element mounted on the bottom face of the concave portion; and a sealing member covering the light emitting element in the concave portion. The plurality of leads comprise a plurality of notch parts including a first notch part on a first side corresponding to a first outer side surface of the resin package and a second notch part on a second side corresponding to a second outer side surface of the resin package.

公开(公告)号：US20210313487A1

公开(公告)日：2021-10-07

申请号：US17349183

申请日：2021-06-16

Applicant: NICHIA CORPORATION

Inventor： Shimpei SASAOKA ,  Toshiyuki HASHIMOTO ,  Yoshihiro SHO ,  Toshinobu KATSUMATA

IPC: H01L33/08 ,  H01L33/10 ,  H01L33/50

Abstract: A light emitting device includes a substrate, a plurality of light sources, a partitioning member, a light transmissive member, a plurality of reflecting portions. The light sources are arranged on the substrate. Each of the light sources has a light emitting diode. The partitioning member includes a plurality of wall portions defining a plurality of sections respectively surrounding at least one of the light sources, the wall portions including top portions. The light transmissive member is arranged above the light sources. The plurality of reflecting portions are arranged on a lower surface of the light transmissive member. Lower surfaces of the reflecting portions are positioned lower than apexes of the top portions of the wall portions of the partitioning member.

公开(公告)号：US20210165281A1

公开(公告)日：2021-06-03

申请号：US17172991

申请日：2021-02-10

Applicant: NICHIA CORPORATION

Inventor： Toshiyuki HASHIMOTO ,  Shimpei SASAOKA

IPC: G02F1/13357

Abstract: A light source device includes a plurality of light sources arranged in a matrix, a substrate, and a reflective member. The reflective member includes first walls defining a first region entirely surrounded by the first walls in a plan view, and second walls located on an outer side of the first walls, the second walls defining a second region having an opening facing outside of the reflective member and a third region. An area of the second region is greater than an area of the third region in the plan view. The light sources are disposed respectively in the first region and in the second region while none of the light sources is disposed in the third region.

公开(公告)号：US20200285117A1

公开(公告)日：2020-09-10

申请号：US16811880

申请日：2020-03-06

Applicant: NICHIA CORPORATION

Inventor： Toshiyuki HASHIMOTO ,  Shimpei SASAOKA

IPC: G02F1/13357

Abstract: A light source device includes a plurality of light sources arranged in a matrix, a substrate, and a reflective member. The reflective member includes first walls defining a first region entirely surrounded by the first walls in a plan view, and second walls located on an outer side of the first walls, the second walls defining a second region and a third region each only partially surrounded by the second walls in the plan view such that an area of the second region is equal to or greater than a half of an area of the first region and an area of the third region is less than the half of the area of the first region in the plan view. The light sources are disposed respectively in the first region and in the second region while none of the light sources is disposed in the third region.