公开(公告)号：US20190027667A1

公开(公告)日：2019-01-24

申请号：US16143383

申请日：2018-09-26

Applicant: NICHIA CORPORATION

Inventor： Ryohei YAMASHITA ,  Ryoichi YOSHIMOTO

IPC: H01L33/62 ,  H01L23/495 ,  H01L23/00 ,  H01L33/48 ,  H01L33/52 ,  H01L33/54

CPC classification number: H01L33/62 ,  H01L23/495 ,  H01L23/49517 ,  H01L23/49541 ,  H01L23/49548 ,  H01L23/49562 ,  H01L24/29 ,  H01L24/32 ,  H01L24/45 ,  H01L24/48 ,  H01L24/73 ,  H01L24/97 ,  H01L33/483 ,  H01L33/486 ,  H01L33/52 ,  H01L33/54 ,  H01L2224/2919 ,  H01L2224/2929 ,  H01L2224/29301 ,  H01L2224/29339 ,  H01L2224/29344 ,  H01L2224/29364 ,  H01L2224/32245 ,  H01L2224/45015 ,  H01L2224/45124 ,  H01L2224/45139 ,  H01L2224/45144 ,  H01L2224/45147 ,  H01L2224/45169 ,  H01L2224/45173 ,  H01L2224/45184 ,  H01L2224/45565 ,  H01L2224/45624 ,  H01L2224/45639 ,  H01L2224/45644 ,  H01L2224/45647 ,  H01L2224/45655 ,  H01L2224/45657 ,  H01L2224/4566 ,  H01L2224/45673 ,  H01L2224/4568 ,  H01L2224/45684 ,  H01L2224/48091 ,  H01L2224/48247 ,  H01L2224/48257 ,  H01L2224/73265 ,  H01L2224/97 ,  H01L2924/01079 ,  H01L2924/0132 ,  H01L2924/07802 ,  H01L2924/0781 ,  H01L2924/095 ,  H01L2924/12035 ,  H01L2924/12041 ,  H01L2924/12042 ,  H01L2924/181 ,  H01L2924/18301 ,  H01L2924/20752 ,  H01L2933/0033 ,  H01L2933/0066 ,  H01L2924/00014 ,  H01L2924/0665 ,  H01L2924/0715 ,  H01L2924/07025 ,  H01L2924/0105 ,  H01L2924/01083 ,  H01L2924/01047 ,  H01L2924/00012 ,  H01L2924/00

Abstract: A light emitting apparatus includes a positive lead terminal and a negative lead terminal, each of which includes a first main surface, a second main surface, and an end surface including a first recessed surface area extending from a first point of the first main surface in cross section, and a second recessed surface area extending from a second point of the second main surface in cross section. A distance between a first part of the end surface of the positive lead terminal and a second part of the end surface of the negative lead terminal than a first distance between the first points of the positive lead terminal and the negative lead terminal and a second distance between the second points of the positive lead terminal and the negative lead terminal. The first part and the second part are separated from the first point and the second point.

公开(公告)号：US20160155917A1

公开(公告)日：2016-06-02

申请号：US15015246

申请日：2016-02-04

Applicant: NICHIA CORPORATION

Inventor： Ryohei YAMASHITA ,  Ryoichi YOSHIMOTO

IPC: H01L33/62 ,  H01L23/495 ,  H01L33/52

CPC classification number: H01L33/62 ,  H01L23/495 ,  H01L23/49517 ,  H01L23/49541 ,  H01L23/49548 ,  H01L23/49562 ,  H01L24/29 ,  H01L24/32 ,  H01L24/45 ,  H01L24/48 ,  H01L24/73 ,  H01L24/97 ,  H01L33/483 ,  H01L33/486 ,  H01L33/52 ,  H01L33/54 ,  H01L2224/2919 ,  H01L2224/2929 ,  H01L2224/29301 ,  H01L2224/29339 ,  H01L2224/29344 ,  H01L2224/29364 ,  H01L2224/32245 ,  H01L2224/45015 ,  H01L2224/45124 ,  H01L2224/45139 ,  H01L2224/45144 ,  H01L2224/45147 ,  H01L2224/45169 ,  H01L2224/45173 ,  H01L2224/45184 ,  H01L2224/45565 ,  H01L2224/45624 ,  H01L2224/45639 ,  H01L2224/45644 ,  H01L2224/45647 ,  H01L2224/45655 ,  H01L2224/45657 ,  H01L2224/4566 ,  H01L2224/45673 ,  H01L2224/4568 ,  H01L2224/45684 ,  H01L2224/48091 ,  H01L2224/48247 ,  H01L2224/48257 ,  H01L2224/73265 ,  H01L2224/97 ,  H01L2924/0132 ,  H01L2924/07802 ,  H01L2924/0781 ,  H01L2924/12035 ,  H01L2924/12041 ,  H01L2924/12042 ,  H01L2924/181 ,  H01L2924/18301 ,  H01L2933/0033 ,  H01L2933/0066 ,  H01L2924/00014 ,  H01L2924/0665 ,  H01L2924/0715 ,  H01L2924/07025 ,  H01L2924/095 ,  H01L2924/0105 ,  H01L2924/01083 ,  H01L2924/01047 ,  H01L2924/01079 ,  H01L2924/00012 ,  H01L2924/00 ,  H01L2924/20752

Abstract: A light emitting device mount includes a positive lead terminal, a negative lead terminal, and a resin portion. Each of the positive and negative lead terminal includes a first main surface, a second main surface, and an end surface. The end surface is provided between the first main surface and the second main surface. The end surface includes a first recessed surface area and a second recessed surface area. The first recessed surface area is extending from a first point of the first main surface in cross section. The second recessed surface area is extending from a second point of the second main surface in cross section. The first and second recessed surface areas define a protruding portion protruding outwardly. The resin portion is positioned at least between the end surface of the positive lead terminal and the end surface of the negative lead terminal.

Abstract translation: 发光装置支架包括正引线端子，负引线端子和树脂部分。 正极和负极引线端子中的每一个包括第一主表面，第二主表面和端表面。 端面设置在第一主表面和第二主表面之间。 端面包括第一凹陷表面区域和第二凹入表面区域。 第一凹陷表面区域从第一主表面的第一点在横截面上延伸。 第二凹入表面区域从第二主表面的第二点以横截面延伸。 第一和第二凹入表面区域限定向外突出的突出部分。 树脂部分至少位于正引线端子的端面和负引线端子的端面之间。

公开(公告)号：US20220269129A1

公开(公告)日：2022-08-25

申请号：US17443953

申请日：2021-07-29

Applicant: NICHIA CORPORATION

Inventor： Ryohei YAMASHITA ,  TOSHINOBU KATSUMATA

IPC: G02F1/13357 ,  H01L33/50 ,  F21V8/00 ,  H01L33/62 ,  H01L33/60 ,  G02F1/1335

Abstract: A light-emitting module includes a light-guiding plate having an upper surface with a first hole and having a rectangular shape in a top view, and a light-emitting element opposite to the first hole and disposed opposite to the upper surface. The first hole includes a first portion and a second portion between the first portion and the upper surface. The first portion is provided with a first opening at a boundary between the first portion and the second portion and a first lateral surface inclined with respect to the upper surface. A shape of the first opening in the top view is defined by a first axis parallel to a short side of the rectangular shape of the light-guiding plate and a second axis parallel to a long side of the rectangular shape and shorter than the first axis in a plan view.

公开(公告)号：US20220075111A1

公开(公告)日：2022-03-10

申请号：US17466984

申请日：2021-09-03

Applicant: NICHIA CORPORATION

Inventor： Ryohei YAMASHITA ,  Toshinobu KATSUMATA

IPC: F21V8/00

Abstract: A surface light source includes: a light guide plate having an upper surface and a lower surface located opposite the upper surface, and comprising at least one through hole extending from the upper surface to the lower surface; a wiring substrate located on a lower surface side of the light guide plate and comprising a wiring layer; and at least one light source comprising a light-emitting element electrically connected to the wiring layer of the wiring substrate. The light source is located inside the through hole. The upper surface of the light guide plate has a first region including a plurality of protruding portions or depressed portions. In a plan view, a proportion of an area of the protruding portions or depressed portions per unit area of the first region increases among concentric parts of the first region in the direction away from the light source.

公开(公告)号：US20210193881A1

公开(公告)日：2021-06-24

申请号：US17195417

申请日：2021-03-08

Applicant: NICHIA CORPORATION

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

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

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：US20210088851A1

公开(公告)日：2021-03-25

申请号：US17110676

申请日：2020-12-03

Applicant: NICHIA CORPORATION

Inventor： Ryohei YAMASHITA ,  Toshinobu KATSUMATA

IPC: G02F1/13357 ,  F21V8/00

Abstract: A light emitting module according to one embodiment of the present disclosure includes a lightguide plate having an upper surface in which a first hole is defined, and a lower surface opposite to the upper surface; and a light emitting element on a lower surface side of the lightguide plate, the light emitting element facing the first hole. The upper surface of the lightguide plate includes a first region defining a plurality of protrusions and/or recesses. A ratio of an area occupied by the plurality of protrusions and/or recesses per unit area in a plan view increases concentrically in an outward direction from the light emitting element.

公开(公告)号：US20200285114A1

公开(公告)日：2020-09-10

申请号：US16807965

申请日：2020-03-03

Applicant: NICHIA CORPORATION

Inventor： Ryohei YAMASHITA ,  Toshinobu KATSUMATA

IPC: G02F1/13357 ,  F21V8/00

Abstract: A light emitting module according to one embodiment of the present disclosure includes a lightguide plate having an upper surface in which a first hole is defined, and a lower surface opposite to the upper surface; and a light emitting element on a lower surface side of the lightguide plate, the light emitting element facing the first hole. The upper surface of the lightguide plate includes a first region defining a plurality of protrusions and/or recesses. A ratio of an area occupied by the plurality of protrusions and/or recesses per unit area in a plan view increases concentrically in an outward direction from the light emitting element.

公开(公告)号：US20200176650A1

公开(公告)日：2020-06-04

申请号：US16698323

申请日：2019-11-27

Applicant: NICHIA CORPORATION

Inventor： Yusaku ACHI ,  Ryohei YAMASHITA

IPC: H01L33/58 ,  G02F1/1335 ,  H01L33/50 ,  F21V8/00

Abstract: A light emitting module includes a light guiding plate being light-transmissive and having a first main surface being as a light exiting surface and a second main surface positioned opposite to the first main surface; a light emitting element disposed at the second main surface and configured to emit light toward the light guiding plate; an optical function part being greater in size than a light emitting surface of the light emitting element, the optical function part being disposed in the first main surface so as to correspond to an optical axis of the light emitting element; and a light-cutting scattering layer disposed on a first main surface side of the light guiding plate so as to correspond to the optical axis of the light emitting element. The light-cutting scattering layer covers the optical function part as seen in a plan view.

公开(公告)号：US20180375004A1

公开(公告)日：2018-12-27

申请号：US16019408

申请日：2018-06-26

Applicant: NICHIA CORPORATION

Inventor： Ryohei YAMASHITA ,  Seitaro AKAGAWA ,  Toshiyuki HASHIMOTO ,  Kazuki KODA ,  Kiyoshi KAYAMA ,  Yuta HORIKAWA ,  Ryosuke WAKAKI

IPC: H01L33/62 ,  H01L25/075 ,  H01L25/16 ,  H01L29/866 ,  H01L33/48 ,  H01L33/50 ,  H01L33/56 ,  H01L33/64 ,  H01L23/00

Abstract: A light emitting device includes a resin package having a rectangular shape in a top view and two short-side lateral surfaces and two long-side lateral surfaces. The two short-side lateral surfaces include a first external surface and a second external surface located on an opposite side from the first external surface. The two long-side lateral surfaces include a third external surface and a fourth external lateral surface located on an opposite side from the third external lateral surface. The lead is not exposed on the third external lateral surface nor the fourth external lateral surface. The first lead is exposed at the first external lateral surface and the second external lateral surface, respectively flush with the resin member at the first external lateral surface and the second external lateral surface. The second lead is exposed at the second external lateral surface, flush with the resin part at the second external lateral surface.

公开(公告)号：US20180159002A1

公开(公告)日：2018-06-07

申请号：US15832004

申请日：2017-12-05

Applicant: NICHIA CORPORATION

Inventor： Ryohei YAMASHITA ,  Yusaku Achi

IPC: H01L33/58 ,  H01L33/36 ,  H01L33/52

CPC classification number: H01L33/58 ,  H01L33/36 ,  H01L33/52 ,  H01L33/54 ,  H01L2224/73204

Abstract: A light-emitting device includes: a substrate; and at least one light source comprising: a light-emitting element comprising a plurality of electrodes that face the substrate, and a resin member covering at least portions of lateral surfaces of the light-emitting element and not covering an upper surface of the light-emitting element, wherein, in a directivity diagram of the light source, a variation in light output of the light source in a range of −40° to 40° is 15% or less.