LIGHT EMITTING DEVICE, METHOD OF MANUFACTURING A LIGHT EMITTING DEVICE, AND METHOD OF MANUFACTURING A SUBMOUNT

    公开(公告)号:US20230187898A1

    公开(公告)日:2023-06-15

    申请号:US18060859

    申请日:2022-12-01

    发明人: Kazuma KOZURU

    摘要: A light emitting device includes a submount, a semiconductor laser device, and a base supporting the submount. The submount includes a graphite layer having upper and lower surfaces extending in first and second directions orthogonal to each other and a support layer having upper and lower surfaces extending in the first and second directions. The graphite layer includes a plurality of graphene structures layered in the first direction. Each of the plurality of graphene structures extends in the second direction. The support layer is thicker than the graphite layer. The upper surface of the support layer supports the lower surface of the graphite layer. The semiconductor laser device emits laser light through an end surface in the first direction. The semiconductor laser device includes a waveguide that extends in the first direction and is supported by the upper surface of the graphite layer.

    OPTICAL SENSOR PACKAGE AND METHOD OF MAKING AN OPTICAL SENSOR PACKAGE

    公开(公告)号:US20220189788A1

    公开(公告)日:2022-06-16

    申请号:US17513122

    申请日:2021-10-28

    发明人: Jing-En LUAN

    摘要: A molded carrier is formed by a unitary body made of a laser direct structuring (LDS) material and includes a blind opening with a bottom surface. The unitary body includes: a floor body portion defining a back side and the bottom surface of the blind opening and an outer peripheral wall body portion defining a sidewall surface of the blind opening. LDS activation followed by electro-plating is used to produce: a die attach pad and bonding pad at the bottom surface; land grid array (LGA) pads at the back side; and vias extending through the floor body portion to make electrical connections between the die attach pad and one LGA pad and between the bonding pad and another LGA pad. An integrated circuit chip is mounted to the die attach pad and wire bonded to the bonding pad. A wafer-scale manufacturing process is used to form the molded carrier.

    Method of producing an optoelectronic semiconductor device

    公开(公告)号:US11502228B2

    公开(公告)日:2022-11-15

    申请号:US16629422

    申请日:2017-08-04

    摘要: A method of producing an optoelectronic semiconductor device includes providing a frame part including a plurality of openings, providing an auxiliary carrier, connecting the auxiliary carrier to the frame part such that the auxiliary carrier covers at least some of the openings at an underside of the frame part, placing conversion elements onto the auxiliary carrier in at least some of the openings, placing optoelectronic semiconductor chips onto the conversion elements in at least some of the openings, applying a housing onto the conversion elements and around the semiconductor chips in at least some of the openings, and removing the frame part and the auxiliary carrier wherein a bottom surface of at least some of the optoelectronic semiconductor chips remains free of the housing.

    METHOD FOR MANUFACTURING LIGHT EMITTING DEVICE, BONDING METHOD, AND LIGHT EMITTING DEVICE

    公开(公告)号:US20220344894A1

    公开(公告)日:2022-10-27

    申请号:US17730060

    申请日:2022-04-26

    发明人: Ryota OKUNO

    IPC分类号: H01S5/0237 H01S5/02218

    摘要: A method for manufacturing a light emitting device includes: disposing a light emitting element on a base member; providing a bonding agent to the base member or a lid member; and bonding the base member on which the light emitting element is disposed and the lid member with the bonding agent by sandwiching the bonding agent in a molten state between the base member and the lid member, and pressing the lid member against the base member, increasing a distance between the base member and the lid member in a state in which the lid member is pressed against the base member, while maintaining a state in which the bonding agent contacts the base member and the lid member, and solidifying the bonding agent in a state in which the distance between the base member and the lid member is increased to bond the base member and the lid member.