公开(公告)号：US11984698B2

公开(公告)日：2024-05-14

申请号：US17942922

申请日：2022-09-12

Applicant: NICHIA CORPORATION

Inventor： Soichiro Miura ,  Ryota Okuno

IPC: H01S5/02345 ,  H01S5/00 ,  H01S5/02255 ,  H01S5/023 ,  H01S5/02315 ,  H01S5/0233 ,  H01S5/042 ,  H01S5/40

CPC classification number: H01S5/02345 ,  H01S5/0071 ,  H01S5/02255 ,  H01S5/023 ,  H01S5/02315 ,  H01S5/0233 ,  H01S5/0425 ,  H01S5/4025

Abstract: A light emitting device includes a plurality of semiconductor laser elements, a frame part, a light-reflective member, a plurality of wires, and first and second protective elements. The frame part has a pair of first inner lateral surfaces and a second inner surface. The light-reflective member is configured to reflect laser light traveling from at least one of the plurality of semiconductor laser elements toward one of the first inner lateral surfaces of the frame part. The wires electrically connect the semiconductor laser elements respectively to an upper surface of the frame part. The first and second protective elements are disposed on the upper surface of the frame part in an area of the upper surface along the second inner surface. At least one of the wires is bonded on an area of the upper surface between the first and second protective elements.

公开(公告)号：US20240125455A1

公开(公告)日：2024-04-18

申请号：US18394233

申请日：2023-12-22

Applicant: NICHIA CORPORATION

Inventor： Seiji KIYOTA ,  Kazuma KOZURU ,  Eiichiro OKAHISA

IPC: F21V5/00 ,  F21V5/04 ,  G02B3/00 ,  G02B19/00 ,  H01S5/00 ,  H01S5/02216 ,  H01S5/02253 ,  H01S5/02255 ,  H01S5/40

CPC classification number: F21V5/007 ,  F21V5/04 ,  G02B3/0056 ,  G02B19/0057 ,  H01S5/0071 ,  H01S5/02216 ,  H01S5/02253 ,  H01S5/02255 ,  H01S5/4018 ,  H01S5/4025 ,  H01S5/405 ,  H01S5/02345

Abstract: A light-emitting device includes: a substrate including a base and a side wall; a plurality of semiconductor laser elements arrayed in a first direction on an upper surface of the base; a sealing member fixed to the substrate, wherein the sealing member and the substrate define a sealed space in which the semiconductor laser element is located; and a lens array disposed above the sealing member, the lens array including a plurality of lens sections arrayed in the first direction. In the lens array, a maximum outer diameter of each lens sections is 1.25 times or more than an inter-vertex distance between adjacent ones of the lens sections in the first direction.

公开(公告)号：US11889046B2

公开(公告)日：2024-01-30

申请号：US17176000

申请日：2021-02-15

Applicant: INTEL CORPORATION

Inventor： Krishna Swaminathan ,  Anders Grunnet-Jepsen ,  Leonid M. Keselman

IPC: H04N13/239 ,  H04N13/257 ,  G01S3/00 ,  G01B11/25 ,  G06F3/04883 ,  G06F3/01 ,  H01S5/42 ,  G06F3/03 ,  H01S5/00 ,  G06F3/0354 ,  G01C3/08 ,  H04N23/81 ,  F21V5/00 ,  G02B3/00 ,  H04N5/33 ,  H01S5/02255

CPC classification number: H04N13/239 ,  F21V5/007 ,  F21V5/008 ,  G01B11/2513 ,  G01C3/08 ,  G01S3/00 ,  G02B3/0056 ,  G06F3/011 ,  G06F3/012 ,  G06F3/017 ,  G06F3/0304 ,  G06F3/03547 ,  G06F3/04883 ,  H01S5/005 ,  H01S5/423 ,  H01S5/426 ,  H04N5/33 ,  H04N13/257 ,  H04N23/81 ,  H01S5/02255

Abstract: A compact, low cost vcsel projector for high performance stereodepth camera is disclosed. An example apparatus includes an array of vertical cavity surface emitting lasers (VCSELs); an array of micro-lenses coupled to the array of VCSELs, centerlines of ones of the micro-lenses offset relative to centerlines of respective ones of the VCSELs; and a projection lens coupled to the array of micro-lenses.

公开(公告)号：US20240030677A1

公开(公告)日：2024-01-25

申请号：US18355572

申请日：2023-07-20

Applicant: OSRAM OLED GmbH

Inventor： Jörg Erich Sorg ,  Frank Singer ,  Christoph Koller

IPC: H01S5/02255 ,  H01S5/00 ,  H01S5/02234 ,  H01S5/02216 ,  H01S5/028 ,  H01S5/40 ,  H01S5/185

CPC classification number: H01S5/02255 ,  H01S5/0087 ,  H01S5/02234 ,  H01S5/02216 ,  H01S5/028 ,  H01S5/4012 ,  H01S5/4031 ,  H01S5/4075 ,  H01S5/185

Abstract: The invention relates to a semiconductor laser including a carrier, an edge-emitting laser diode which is arranged on the carrier and which has an active zone for generating laser radiation and a facet with a radiation exit area, an optical element which covers the facet, a connecting material which is arranged between the optical element and the facet, a molded body which covers the laser diode and the optical element at least in places, wherein the optical element is at least partially transparent to the laser radiation emitted by the laser diode during operation, and the optical element is designed to change the main propagation direction of the laser radiation entering the optical element during operation.

公开(公告)号：US11817679B2

公开(公告)日：2023-11-14

申请号：US18162063

申请日：2023-01-31

Applicant: NICHIA CORPORATION

Inventor： Takuya Hashimoto

IPC: H01S5/02253 ,  H01S5/40 ,  H01S5/024 ,  H01S5/323 ,  H01S5/32 ,  H01S5/02255 ,  H01S5/02345

CPC classification number: H01S5/4025 ,  H01S5/02253 ,  H01S5/02255 ,  H01S5/02345 ,  H01S5/02469 ,  H01S5/323 ,  H01S5/3211 ,  H01S5/4018

Abstract: A light emitting device includes: a substrate including a main surface; a first projection positioned on the main surface, the first projection including an upper surface and first and second lateral surfaces, wherein the first lateral surface of the first projection comprises a first reflective part, and the second lateral surface of the first projection comprises a second reflective part; a first laser element positioned on the main surface at a first reflective part side with respect to the first projection, the first laser element being configured to irradiate first laser light to the first reflective part; a second laser element positioned on the main surface at a second reflective part side with respect to the first projection, the second laser element being configured to irradiate second laser light to the second reflective part; and a first optical member bonded to the upper surface of the first projection.

公开(公告)号：US11811190B2

公开(公告)日：2023-11-07

申请号：US17939275

申请日：2022-09-07

Applicant: NICHIA CORPORATION

Inventor： Tatsuya Kanazawa ,  Kazuma Kozuru

IPC: H01S5/00 ,  H01S5/02234 ,  H01S5/02253 ,  H01S5/02257 ,  H01S5/0236 ,  H01S5/40 ,  H01S5/02255

CPC classification number: H01S5/02234 ,  H01S5/0236 ,  H01S5/02253 ,  H01S5/02257 ,  H01S5/02255 ,  H01S5/4031

Abstract: A light-emitting device includes: a plurality of semiconductor laser elements; a package having a hermetically sealed space, with the plurality of semiconductor laser elements arranged in the space; an optical member fixed to the package; and a plurality of adhesives including a first adhesive and a second adhesive fixing the optical member to the package. The plurality of adhesives are bonded to the optical member between an emission surface of the package and an incidence surface or a lower surface of the optical member. In the optical member, one or more first bonding regions to which the first adhesive is bonded and one or more second bonding regions to which the second adhesive is bonded are located at positions that are closer to the incidence surface of the optical member than to an emission surface of the optical member.

公开(公告)号：US11749959B2

公开(公告)日：2023-09-05

申请号：US17261300

申请日：2019-07-15

Applicant: OSRAM OLED GmbH

Inventor： Jörg Erich Sorg ,  Frank Singer ,  Christoph Koller

IPC: H01S5/02255 ,  H01S5/00 ,  H01S5/02234 ,  H01S5/028 ,  H01S5/40 ,  H01S5/02216 ,  H01S5/185

CPC classification number: H01S5/02255 ,  H01S5/0087 ,  H01S5/028 ,  H01S5/02216 ,  H01S5/02234 ,  H01S5/185 ,  H01S5/4012 ,  H01S5/4031 ,  H01S5/4075

Abstract: The invention relates to a semiconductor laser including a carrier, an edge-emitting laser diode which is arranged on the carrier and which has an active zone for generating laser radiation and a facet with a radiation exit area, an optical element which covers the facet, a connecting material which is arranged between the optical element and the facet, a molded body which covers the laser diode and the optical element at least in places, wherein the optical element is at least partially transparent to the laser radiation emitted by the laser diode during operation, and the optical element is designed to change the main propagation direction of the laser radiation entering the optical element during operation.

公开(公告)号：US11728617B2

公开(公告)日：2023-08-15

申请号：US17718995

申请日：2022-04-12

Applicant: NICHIA CORPORATION

Inventor： Hideyuki Fujimoto

IPC: H01S5/02355 ,  H01S5/024 ,  H01S5/02345 ,  H01S5/02212 ,  H01S5/02255

CPC classification number: H01S5/02355 ,  H01S5/02345 ,  H01S5/02469 ,  H01L2224/48247 ,  H01L2224/49111 ,  H01S5/02212 ,  H01S5/02255

Abstract: A semiconductor laser device includes: a housing including: a first upper upward-facing surface, a second upper upward-facing surface, a mounting surface, inner lateral surfaces, a first wiring part disposed on the first upper upward-facing surface, and a second wiring part disposed on the second upper upward-facing surface; a submount including: a first main surface fixed to the mounting surface of the housing, and a second main surface opposite to the first main surface; a semiconductor laser element fixed to the second main surface of the submount; a first wire connected to the first wiring part for electrical connection of the semiconductor laser element; and a second wire connected to the second wiring part for electrical connection of the semiconductor laser element.

公开(公告)号：US11721950B2

公开(公告)日：2023-08-08

申请号：US17883243

申请日：2022-08-08

Applicant: NICHIA CORPORATION

Inventor： Akinori Hara ,  Toshiaki Yamashita

IPC: H01S5/00 ,  H01S5/026 ,  G02B27/30 ,  H01S5/02255 ,  H01S5/02253 ,  G02B3/04 ,  H01S5/02212 ,  H01S5/40

CPC classification number: H01S5/0267 ,  G02B3/04 ,  G02B27/30 ,  H01S5/0087 ,  H01S5/02212 ,  H01S5/02253 ,  H01S5/02255 ,  H01S5/4025

Abstract: A light emission device includes: a plurality of semiconductor light-emitting elements; an optical element configured to collimate light emitted from each of the plurality of semiconductor light-emitting elements and output a plurality of collimated beams; a converging portion having a surface of a hyperboloid or a paraboloid configured to converge the plurality of collimated beams; and a wavelength-converting portion including a transmissive region, and a reflective region that surrounds the transmissive region, the transmissive region including a light-incident surface at which the plurality of collimated beams that have been converged by the converging portion enter, wherein the transmissive region includes a phosphor adapted to be excited by the plurality of collimated beams that have been converged by the converging portion.

公开(公告)号：US20230243484A1

公开(公告)日：2023-08-03

申请号：US18298784

申请日：2023-04-11

Applicant: NICHIA CORPORATION

Inventor： Seiji KIYOTA ,  Kazuma KOZURU ,  Eiichiro OKAHISA

IPC: F21V5/00 ,  H01S5/00 ,  F21V5/04 ,  G02B19/00 ,  G02B3/00 ,  H01S5/40 ,  H01S5/02216 ,  H01S5/02253 ,  H01S5/02255

CPC classification number: F21V5/007 ,  H01S5/0071 ,  F21V5/04 ,  G02B19/0057 ,  G02B3/0056 ,  H01S5/405 ,  H01S5/4018 ,  H01S5/02216 ,  H01S5/02253 ,  H01S5/02255 ,  H01S5/4025 ,  H01S5/02345

Abstract: A light-emitting device includes: a substrate including a base and a side wall; a plurality of semiconductor laser elements arrayed in a first direction on an upper surface of the base; a sealing member fixed to the substrate, wherein the sealing member and the substrate define a sealed space in which the semiconductor laser element is located; and a lens array disposed above the sealing member, the lens array including a plurality of lens sections arrayed in the first direction. In the lens array, a maximum outer diameter of each lens sections is 1.25 times or more than an inter-vertex distance between adjacent ones of the lens sections in the first direction.