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公开(公告)号:US09680071B2
公开(公告)日:2017-06-13
申请号:US15219627
申请日:2016-07-26
Applicant: NICHIA CORPORATION
Inventor: Takuya Nakabayashi , Akira Hori
CPC classification number: H01L33/647 , H01L25/0753 , H01L33/32 , H01L33/486 , H01L33/502 , H01L33/54 , H01L33/56 , H01L33/60 , H01L33/62 , H01L33/642 , H01L2224/16225
Abstract: A light emitting device includes a substrate having a first main surface that serves as the light extraction surface, a second main surface that is opposite the first main surface, and a mounting surface that is adjacent to at least the second main surface, and that is provided an insulating base material, a pair of connection terminals disposed on the second main surface, and a heat dissipation terminal disposed on the second main surface and between the pair of connection terminals; a light emitting element that is mounted on the first main surface of the substrate and; a sealing member that seals the light emitting element and is formed substantially in the same plane as the substrate on the mounting surface.
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公开(公告)号:US09497824B2
公开(公告)日:2016-11-15
申请号:US14870007
申请日:2015-09-30
Applicant: NICHIA CORPORATION
Inventor: Takuya Nakabayashi , Hiroto Tamaki
CPC classification number: H05B33/22 , F21V13/08 , H01L33/20 , H01L33/486 , H01L33/504 , H01L33/505 , H01L33/60 , H01L2924/18161
Abstract: A light-emitting device includes a base, a light-emitting element, a wavelength conversion member, and a light reflecting member. The base has a base upper surface. The light-emitting element is provided on the base and includes a semiconductor layer, a light transmissive substrate, and a recess. The semiconductor layer is provided on the base so that a semiconductor lower surface faces the base upper surface of the base. The light transmissive substrate has a substrate upper surface, a substrate lower surface opposite to the substrate upper surface, and a substrate side surface between the substrate upper surface and the substrate lower surface. The light transmissive substrate is provided on the semiconductor layer so that the substrate lower surface contacts a semiconductor upper surface of the semiconductor layer. The recess is provided on the substrate upper surface of the light transmissive substrate. The wavelength conversion member is provided in the recess.
Abstract translation: 发光装置包括基座,发光元件,波长转换构件和光反射构件。 基座具有基座上表面。 发光元件设置在基底上,并且包括半导体层,透光基板和凹部。 半导体层设置在基底上,使得半导体下表面面向基底的基底上表面。 透光基板具有基板上表面,与基板上表面相对的基板下表面,以及基板上表面和基板下表面之间的基板侧面。 透光基板设置在半导体层上,使得基板下表面接触半导体层的半导体上表面。 凹部设置在透光基板的基板上表面上。 波长转换构件设置在凹部中。
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公开(公告)号:US09299904B2
公开(公告)日:2016-03-29
申请号:US14716535
申请日:2015-05-19
Applicant: NICHIA CORPORATION
Inventor: Hiroto Tamaki , Takuya Nakabayashi
CPC classification number: H01L33/62 , H01L24/97 , H01L33/486 , H01L33/642 , H01L2224/16225
Abstract: A light emitting device including; a base body having a base material that includes a first main face that has a lengthwise direction and a short-side direction that is perpendicular to the lengthwise direction, a second main face on the opposite side from the first main face, a first end face that extends in the lengthwise direction, and a second end face that extends in the short-side direction, and connection terminals that are provided on the first main face of the base material; and a light emitting element that is installed on the first main face and is connected to the connection terminals, the first end face of the base material has a recess that is contiguous with the first main face and the second end face and/or is contiguous with the second main face and the second end face, a length of the recess in a lengthwise direction is greater than a depth in a short-side direction, and the connection terminals are provided extending over the recess.
Abstract translation: 一种发光器件,包括: 具有基材的基体,该基材具有长度方向和与长度方向垂直的短边方向的第一主面,与第一主面相反一侧的第二主面,第一端面 沿长边方向延伸的第二端面和沿短边方向延伸的第二端面,以及设置在基材的第一主面上的连接端子; 以及发光元件,其安装在所述第一主面上并连接到所述连接端子,所述基材的第一端面具有与所述第一主面和所述第二端面邻接的凹部和/或连续的凹部 与第二主面和第二端面相对,凹部的长度方向的长度大于短边方向的深度,连接端子设置在凹部的上方。
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公开(公告)号:US12274104B2
公开(公告)日:2025-04-08
申请号:US17696455
申请日:2022-03-16
Applicant: NICHIA CORPORATION
Inventor: Takuya Nakabayashi
IPC: H01L23/00 , H10H20/83 , H10H20/85 , H10H20/851 , H10H20/856 , H10H20/857 , H01L25/075 , H10H20/01
Abstract: A light emitting device includes a substrate, a light emitting element, and a light reflecting member. The substrate includes a pair of connection terminals on a first main surface. The light emitting element is connected to the connection terminals by a molten material. The light reflecting member covers the light emitting element. The connection terminals each has a protruding portion at a position connected to the light emitting element over the first main surface of the substrate, the protruding portion protruding toward the light emitting element. The molten material covers a side surface of the protruding portion of each of the connection terminals. The protruding portion of each of the connection terminals, the molten material, and a space between the substrate and the light emitting element are embedded by the light reflecting member.
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公开(公告)号:US12001044B2
公开(公告)日:2024-06-04
申请号:US18046907
申请日:2022-10-14
Applicant: NICHIA CORPORATION
Inventor: Takuya Nakabayashi , Daisuke Iwakura , Yoichi Bando , Yasunori Shinomiya , Satoshi Yoshinaga
IPC: F21V8/00
CPC classification number: G02B6/0045 , G02B6/0055
Abstract: A light emitting module includes a light source, a light guide member, and first and second light reflective members. The light guide member is configured to transmit light from the light source. The light guide member having an upper surface and a lower surface opposite to the upper surface. The first light reflective member is arranged on a lower surface side of the light guide member. The first light reflective member has a lower surface. The first light reflective member includes a first resin, and a first reflective body having a refractive index higher than a refractive index of the first resin. The second light reflective member is arranged on a lower surface side of the first light reflective member. The second light reflective member includes a second resin, and a second reflective body having a refractive index lower than a refractive index of the second resin.
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公开(公告)号:US11901498B2
公开(公告)日:2024-02-13
申请号:US18102240
申请日:2023-01-27
Applicant: NICHIA CORPORATION
Inventor: Takuya Nakabayashi , Toshinobu Katsumata , Noriaki Hiraide
CPC classification number: H01L33/62 , H01L27/156 , H01L33/10 , H01L33/486 , H01L33/50 , H01L33/60 , H05K1/189 , H01L2933/0083
Abstract: A light-emitting unit includes: a wiring board; light-emitting elements on the wiring board; a light reflecting member on the wiring board, the light reflecting member covering a lateral surface of each of the light-emitting elements; wavelength conversion layers each provided on or above an emission surface of a corresponding one of the plurality of light-emitting elements; light reflecting layers on the wavelength conversion layers, respectively; and a protecting layer configured to transmit light and provided on the light reflecting member. The light-transmitting protecting layer covers at least a lateral surface of the wavelength conversion layers and at least a lateral surfaces of the light reflecting layers. An upper surface of the protecting layer has a first recess in a region where the plurality of light reflecting layers are not present in a top view. The first recess includes at least one concave surface.
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公开(公告)号:US11709312B2
公开(公告)日:2023-07-25
申请号:US17864066
申请日:2022-07-13
Applicant: NICHIA CORPORATION
Inventor: Satoshi Yoshinaga , Takuya Nakabayashi , Yuki Shibutani , Yoichi Bando , Yasushi Okamoto
IPC: F21V8/00
CPC classification number: G02B6/0088 , G02B6/0021 , G02B6/0035 , G02B6/0055 , G02B6/0058 , G02B6/009 , G02B6/0066 , G02B6/0091
Abstract: A planar light source includes: a light guide member, a light source including a light-emitting element and a first light adjustment member and being disposed in a first hole of the light guide member, a first light-transmissive member disposed in the first hole between a lateral surface of the light source and the light guide member and on the light source, and a second light adjustment member disposed on the first light-transmissive member. A transmittance of the first light-transmissive member is higher than a transmittance of the first light adjustment member and a transmittance of the second light adjustment member with respect to light emitted from the light source. The first light-transmissive member includes a first light-transmissive portion 1ocated between the first light adjustment member and the second light adjustment member, and a second light-transmissive portion 1ocated between the lateral surface of the light source and the light guide member.
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公开(公告)号:US11536439B2
公开(公告)日:2022-12-27
申请号:US17163485
申请日:2021-01-31
Applicant: NICHIA CORPORATION
Inventor: Takuya Nakabayashi , Toru Hashimoto
IPC: F21V9/30 , F21V8/00 , G02F1/13357 , F21Y105/16 , G02F1/1335
Abstract: A planar light source includes a light guide member having a through hole, a light source, a first light adjusting member, a second light adjusting member, and a light transmissive member. The first light adjusting member having reflectivity and transmissivity with respect to light from the light source is disposed on or above an upper face of the light source in the through hole. The second light adjusting member having reflectivity and transmissivity with respect to the light from the light source is disposed above and apart from the first light adjusting member. The first light transmissive member having a higher transmissivity with respect to the light from the light source than the transmissivities of the first and second light adjusting members is disposed between the first light adjusting member and the second light adjusting member, and between a lateral face of the light source and the light guide member.
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公开(公告)号:US11495587B2
公开(公告)日:2022-11-08
申请号:US16584092
申请日:2019-09-26
Applicant: NICHIA CORPORATION
Inventor: Takuya Nakabayashi , Tadaaki Ikeda , Tetsuya Ishikawa
Abstract: A light emitting device includes a substrate including first, second, third and fourth wiring portions on a top surface of a base member and arrayed in a first direction, and a connection wiring portion connecting the second and third wiring portions. The connection wiring portion includes first and second connection ends respectively connected with the second and third wiring portions, and a connection central portion connecting the first and second connection ends and having a maximum width in a second direction different from each of a maximum width of the first connection end and a maximum width of the second connection end. In the second direction, at least a part of the connection wiring portion has a width narrower than each of a maximum width of the second wiring portion and a maximum width of the third wiring portion.
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公开(公告)号:USD930857S1
公开(公告)日:2021-09-14
申请号:US29681182
申请日:2019-02-22
Applicant: NICHIA CORPORATION
Designer: Takuya Nakabayashi , Tomokazu Maruyama , Tetsuya Ishikawa
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