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公开(公告)号：US20180254398A1
公开(公告)日：2018-09-06
申请号：US15974316
申请日：2018-05-08
Inventor： Takanori AKETA , Mitsuhiko UEDA , Toru HIRANO
CPC classification number: H01L33/62 , H01L24/14 , H01L33/20 , H01L33/22 , H01L33/38 , H01L33/44 , H01L33/486 , H01L33/641 , H01L2924/01322 , H01L2933/0066 , H01L2924/00
Abstract: Light emitting device includes structure protruding from a side of a surface of second conductive semiconductor layer of LED chip toward a side of a surface of second conductor portion of mounting substrate to contact the surface of second conductor portion, and is positioned to extend around an outer periphery of second electrode. First electrode and a first conductor portion are joined to each other by first joint portion, and second joint portion joining second electrode and second conductor portion to each other fills a space surrounded by second electrode, protruding structure, and second conductor portion. Protruding structure is disposed to extend around the outer periphery of second electrode to surround second joint portion in planar view. A part of mounting substrate overlapping protruding structure in planar view is either identical in height to or lower than a part of second conductor portion joined to second joint portion.
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公开(公告)号：US20180166617A1
公开(公告)日：2018-06-14
申请号：US15573088
申请日：2016-04-26
Inventor： Mituhiko UEDA , Makoto SAITO , Takanori AKETA , Toru HIRANO
CPC classification number: H01L33/62 , H01L23/12 , H01L23/14 , H01L23/147 , H01L23/32 , H01L24/42 , H01L33/44 , H01L33/60 , H01L2224/14 , H01L2224/16145 , H01L2224/48091 , H01L2224/48227 , H01L2224/48465 , H01L2224/73265 , H01L2924/00014 , H01L2924/00
Abstract: An interposer includes element mounting sections and terminal sections directly and partly formed on a surface of an aluminum film having the predetermined pattern. Each of the element mounting sections and the terminal sections has a laminated structure of an Ni film, an Pd film and an Au film. The interposer is formed with an AuSn layer on a predetermined region of a surface of each Au film in the element mounting sections. The interposer includes a protective film having optical permeability that directly covers a region of the surface of the aluminum film, which is out of contact with the element mounting sections and the terminal sections.
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Patent Agency Ranking
公开(公告)号：US20160218262A1
公开(公告)日：2016-07-28
申请号：US14916308
申请日：2014-09-03
Inventor： Takanori AKETA , Mitsuhiko UEDA , Toru HIRANO
CPC classification number: H01L33/62 , H01L24/14 , H01L33/20 , H01L33/22 , H01L33/38 , H01L33/44 , H01L33/486 , H01L33/641 , H01L2924/01322 , H01L2933/0066 , H01L2924/00
Abstract: Light emitting device includes structure protruding from a side of a surface of second conductive semiconductor layer of LED chip toward a side of a surface of second conductor portion of mounting substrate to contact the surface of second conductor portion, and is positioned to extend around an outer periphery of second electrode. First electrode and a first conductor portion are joined to each other by first joint portion, and second joint portion joining second electrode and second conductor portion to each other fills a space surrounded by second electrode, protruding structure, and second conductor portion. Protruding structure is disposed to extend around the outer periphery of second electrode to surround second joint portion in planar view. A part of mounting substrate overlapping protruding structure in planar view is either identical in height to or lower than a part of second conductor portion joined to second joint portion.
Abstract translation: 发光器件包括从LED芯片的第二导电半导体层的表面的侧面朝向安装基板的第二导体部分的表面的侧面突出的结构，以接触第二导体部分的表面，并且被定位成围绕外部 第二电极的周边。 第一电极和第一导体部通过第一接合部彼此接合，并且将第二电极和第二导体部彼此接合的第二接合部填充由第二电极，突出结构和第二导体部包围的空间。 突出结构设置成围绕第二电极的外周延伸以在平面视图中围绕第二接合部分。 安装基板的一部分在平面视图中与突出结构重叠的高度与第二接合部分的第二导体部分的高度相同或更低。
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公开(公告)号：US20240128413A1
公开(公告)日：2024-04-18
申请号：US18275863
申请日：2022-02-01
Inventor： Mitsuru NITTA , Ryosuke SHIGITANI , Emi MIYAZAKI , Toru HIRANO
IPC: H01L33/50
CPC classification number: H01L33/504 , H01L33/507
Abstract: Provided is a wavelength converter including a phosphor ceramic containing a first phosphor that emits fluorescence due to a parity-forbidden transition, and a phosphor part containing a second phosphor that emits fluorescence due to a parity-allowed transition. A main surface of the phosphor ceramic has a concave and convex structure including a plurality of convex parts and a plurality of concave parts. The phosphor part is arranged inside the plurality of concave parts in the phosphor ceramic. Also provided is a light emitting device including the wavelength converter, and a solid-state light source that emits light with which the wavelength converter is irradiated and which has a light emission peak within a wavelength range of 400 nm or more and less than 500 nm.
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公开(公告)号：US20220099863A1
公开(公告)日：2022-03-31
申请号：US17422566
申请日：2020-01-10
Inventor： Toru HIRANO , Tsuyoshi MORIZUMI , Yosuke MIZOKAMI , Toshihiko SATO
IPC: G02B1/11
Abstract: A color conversion element includes: a substrate; a fluorescent part which is arranged above the substrate, receives laser light from an outside, and emits light of a color different from a color of the laser light; a first flattening layer which is superposed on a first main surface of the fluorescent part opposite to the substrate; a second flattening layer which is superposed on a second main surface of the fluorescent part facing the substrate; a reflective layer which is superposed on a main surface of the second flattening layer facing the substrate and formed of a dielectric multilayer film; and a joint part which lies between the reflective layer and the substrate and joins together the reflective layer and the substrate.
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公开(公告)号：US20210344883A1
公开(公告)日：2021-11-04
申请号：US17270622
申请日：2019-07-23
Inventor： Takanori AKETA , Yosuke HONDA , Takashi KISHIDA , Toru HIRANO
Abstract: A color conversion element includes: a substrate; a phosphor portion that is disposed above the substrate, receives laser light transmitted from an outside, and emits light in a color different from a color of the laser light; a reflective layer that includes a dielectric multilayer film and is disposed on a principal surface of the phosphor portion facing the substrate; and a joining portion interposed between the reflective layer and the substrate to join the reflective layer and the substrate. The joining portion includes an air layer that exposes the reflective layer in a position where the air layer at least partially overlaps an irradiation region in a plan view, the irradiation region being a region irradiated with the laser light on the phosphor portion.
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公开(公告)号：US20190294032A1
公开(公告)日：2019-09-26
申请号：US16318917
申请日：2017-06-16
Inventor： Toru HIRANO , Takanori AKETA , Koki OISHI
Abstract: A color conversion element includes: a substrate, a phosphor layer disposed above one principal surface of the substrate, and a joining portion interposed between the substrate and the phosphor layer for joining the substrate and the phosphor layer using metal. The phosphor layer includes individual pieces that are sheet-shaped and planarly arranged. The individual pieces each include at least one type of phosphor. Also, the joining portion has a porous structure obtained by sintering metal nanoparticles.
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