公开(公告)号：US20230307894A1

公开(公告)日：2023-09-28

申请号：US18326981

申请日：2023-05-31

Applicant: FUJIFILM Business Innovation Corp.

Inventor： Kazuhiro SAKAI ,  Daisuke IGUCHI ,  Takeshi MINAMIRU ,  Yoshinori SHIRAKAWA ,  Tomoaki SAKITA ,  Tsutomu OTSUKA

IPC: H01S5/068 ,  H01S5/0687 ,  H01S5/02255 ,  H01S5/02325 ,  G06V20/64 ,  G02B27/42 ,  G06V40/16 ,  H01S5/42 ,  G02B5/02 ,  G06V10/145

CPC classification number: H01S5/423 ,  G02B5/0278 ,  G02B27/4205 ,  G06V10/145 ,  G06V20/64 ,  G06V40/166 ,  H01S5/02255 ,  H01S5/02325 ,  H01S5/06804 ,  H01S5/0687 ,  H01S5/04254

Abstract: A light emitting device includes a wiring substrate, a light emitting element array that includes a first side surface and a second side surface facing each other, and a third side surface and a fourth side surface connecting the first side surface and the second side surface to each other and facing each other, the light emitting element array being provided on the wiring substrate, a driving element that is provided on the wiring substrate on the first side surface side and drives the light emitting element array, a first circuit element and a second circuit element that are provided on the wiring substrate on the second side surface side to be arranged in a direction along the second side surface, and a wiring member that is provided on the third side surface side and the fourth side surface side and extends from a top electrode of the light emitting element array toward an outside of the light emitting element array.

公开(公告)号：US20230246413A1

公开(公告)日：2023-08-03

申请号：US17967151

申请日：2022-10-17

Applicant: FUJIFILM Business Innovation Corp.

Inventor： Daisuke IGUCHI

IPC: H01S5/042 ,  G01B11/24

CPC classification number: H01S5/042 ,  G01B11/24

Abstract: A light-emitting apparatus includes: a light-emitting unit including a light-emitting element; a drive unit including a first element connected to a cathode electrode provided on a cathode side of the light-emitting element, the drive unit being configured to drive the light-emitting element by supplying current that causes light emission; and a capacitive unit provided in parallel with a route of current that causes light emission, between an anode electrode provided on an anode side of the light-emitting element and the cathode electrode.

公开(公告)号：US20230204772A1

公开(公告)日：2023-06-29

申请号：US17723485

申请日：2022-04-19

Applicant: FUJIFILM Business Innovation Corp.

Inventor： Takafumi HIGUCHI ,  Takashi KONDO ,  Daisuke IGUCHI

IPC: G01S17/36 ,  G01S17/894 ,  G01S7/4915 ,  H01S5/183

CPC classification number: G01S17/36 ,  G01S17/894 ,  G01S7/4915 ,  H01S5/18325

Abstract: A detection apparatus includes a light emitting unit including a first light emitting region that has at least one light emitting element and radiates light to a first radiation region and a second light emitting region that has at least one light emitting element and radiates light to a second radiation region, a drive unit that drives the light emitting unit, and a detection unit that detects an object based on a time until light radiated from the light emitting unit is reflected by the object and is received, in which the first radiation region is positioned outside with respect to the second radiation region, and an amount of light radiated from the first light emitting region is greater than an amount of light radiated from the second light emitting region.

公开(公告)号：US20220311208A1

公开(公告)日：2022-09-29

申请号：US17402189

申请日：2021-08-13

Applicant: FUJIFILM Business Innovation Corp.

Inventor： Daisuke IGUCHI

IPC: H01S5/024 ,  H01S5/042 ,  G01S7/481

Abstract: A light-emitting device includes: a base material; an electrode that is disposed on a front surface of the base material, that has a light-emitting element on a front surface of the electrode, and that is electrically connected to the light-emitting element; a connection portion disposed at a position separated from the electrode on the front surface of the base material and connected to a conductive portion having a reference potential; and a heat transfer member that includes a contact surface along the front surface of the base material, the contact surface being in contact with a front surface of the electrode and a front surface of the connection portion, the heat transfer member being configured to transfer heat from the electrode to the connection portion.

公开(公告)号：US20220077659A1

公开(公告)日：2022-03-10

申请号：US17528177

申请日：2021-11-16

Applicant: FUJIFILM Business Innovation Corp.

Inventor： Kazuhiro SAKAI ,  Daisuke IGUCHI ,  Takeshi MINAMIRU ,  Yoshinori SHIRAKAWA ,  Tomoaki SAKITA ,  Tsutomu OTSUKA

IPC: H01S5/42 ,  H01S5/068 ,  H01S5/0687 ,  G02B27/42 ,  G02B5/02 ,  G06K9/00 ,  G06K9/20 ,  H01S5/02255 ,  H01S5/02325

Abstract: A light emitting device includes a wiring substrate, a light emitting element array that includes a first side surface and a second side surface facing each other, and a third side surface and a fourth side surface connecting the first side surface and the second side surface to each other and facing each other, the light emitting element array being provided on the wiring substrate, a driving element that is provided on the wiring substrate on the first side surface side and drives the light emitting element array, a first circuit element and a second circuit element that are provided on the wiring substrate on the second side surface side to be arranged in a direction along the second side surface, and a wiring member that is provided on the third side surface side and the fourth side surface side and extends from a top electrode of the light emitting element array toward an outside of the light emitting element array.

公开(公告)号：US20210302540A1

公开(公告)日：2021-09-30

申请号：US17106155

申请日：2020-11-29

Applicant: FUJIFILM Business Innovation Corp.

Inventor： Daisuke IGUCHI ,  Tomoaki SAKITA

IPC: G01S7/481 ,  G01S17/08 ,  G01S7/484 ,  H01S5/0683 ,  H01S5/42

Abstract: A light-emitting device includes plural driving units; plural laser element arrays connected to the respective plural driving units; and a connection wire that interconnects terminals of the plural laser element arrays, the terminals being connected to the plural driving units.

公开(公告)号：US20210293966A1

公开(公告)日：2021-09-23

申请号：US17341595

申请日：2021-06-08

Applicant: FUJIFILM Business Innovation Corp.

Inventor： Kazuhiro SAKAI ,  Daisuke IGUCHI ,  Yoshinori SHIRAKAWA ,  Tomoaki SAKITA ,  Michiaki MURATA

IPC: G01S17/894 ,  G01S7/481 ,  G06F21/32

Abstract: A light emitting device includes: a substrate; a light emitting element array provided on the substrate, the light emitting element array having first and second side surfaces facing each other, and third and fourth side surfaces facing each other and connecting the first and second side surfaces; a driving element provided on the substrate at a side of the first side surface and driving the light emitting element array; a light receiving element provided on the substrate at a side of the second side surface and receiving light emitted from the light emitting element array; and a wiring member provided at a side of the third side surface and at a side of the fourth side surface and extending from an upper surface electrode of the light emitting element array toward an outside of the light emitting element array.

公开(公告)号：US20210265813A1

公开(公告)日：2021-08-26

申请号：US17117029

申请日：2020-12-09

Applicant: FUJIFILM Business Innovation Corp.

Inventor： Daisuke IGUCHI

IPC: H01S5/042 ,  H01S5/024 ,  G01S17/89 ,  G01S7/484 ,  G01S17/42

Abstract: A light-emitting device includes a first base member; a laser unit provided on the first base member; a capacitive element that is provided on the first base member and supplies a driving electric current to the laser unit; a wiring board that is constituted by a second base member having lower thermal conductivity than the first base member and on which the first base member is mounted; and a driving unit that is mounted on the wiring board and drives the laser unit.