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公开(公告)号：US09645479B2
公开(公告)日：2017-05-09
申请号：US14665306
申请日：2015-03-23
Applicant: Sony Corporation
Inventor： Yuki Maeda , Takahiro Igarashi , Yutaka Imai
CPC classification number: G03B21/204 , C09K11/02 , F21V9/30 , F21V13/08 , G03B21/2066
Abstract: A light emitting element includes a base material having a rough surface and a phosphor layer which is directly or indirectly formed on the rough surface of the base material and includes a plurality of phosphor particles which are bonded to each other by a binder.
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公开(公告)号：US09407067B2
公开(公告)日：2016-08-02
申请号：US14449840
申请日：2014-08-01
Applicant: Sony Corporation
Inventor： Tatsushi Hamaguchi , Masaru Kuramoto , Yuki Maeda , Noriyuki Futagawa
CPC classification number: H01S5/3013 , H01S5/0215 , H01S5/0216 , H01S5/0217 , H01S5/183 , H01S5/18311 , H01S5/18341 , H01S5/18361 , H01S5/18369 , H01S5/18388 , H01S5/18391 , H01S5/34333 , H01S2304/12
Abstract: A method of manufacturing a light emitting element includes, sequentially (a) forming a first light reflecting layer having a convex shape; (b) forming a layered structure body by layering a first compound semiconductor layer, an active layer, and a second compound semiconductor layer; (c) forming, on the second surface of the second compound semiconductor layer, a second electrode and a second light reflecting layer formed from a multilayer film; (d) fixing the second light reflecting layer to a support substrate; (e) removing the substrate for manufacturing a light emitting element, and exposing the first surface of the first compound semiconductor layer and the first light reflecting layer; (f) etching the first surface of the first compound semiconductor layer; and (g) forming a first electrode on at least the etched first surface of the first compound semiconductor layer.
Abstract translation: 制造发光元件的方法包括：顺序地（a）形成具有凸形的第一光反射层; （b）通过层叠第一化合物半导体层，有源层和第二化合物半导体层来形成层状结构体; （c）在第二化合物半导体层的第二表面上形成由多层膜形成的第二电极和第二光反射层; （d）将第二光反射层固定在支撑基板上; （e）去除用于制造发光元件的衬底，并且暴露第一化合物半导体层和第一光反射层的第一表面; （f）蚀刻第一化合物半导体层的第一表面; 和（g）在所述第一化合物半导体层的至少蚀刻的第一表面上形成第一电极。
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公开(公告)号：US10663121B2
公开(公告)日：2020-05-26
申请号：US16087311
申请日：2017-03-09
Applicant: SONY CORPORATION
Inventor： Izushi Kobayashi , Hiroki Morita , Yoshiro Asano , Yuki Maeda , Shinichiro Tajiri
IPC: F21S2/00 , F21V7/24 , F21V7/28 , G03B21/20 , H04N5/74 , F21V7/30 , H04N9/31 , C09K11/02 , F21Y115/30 , F21Y115/10
Abstract: A light-emitting device of an embodiment of the present disclosure includes a first base, a second base that is disposed to face the first base, and a phosphor layer that is provided to be filled with a plurality of phosphor particles between the first base and the second base.
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公开(公告)号：US10527914B2
公开(公告)日：2020-01-07
申请号：US16128085
申请日：2018-09-11
Applicant: SONY CORPORATION
Inventor： Izushi Kobayashi , Masahiro Ishige , Yuki Maeda
IPC: G03B21/14 , G03B21/16 , G03B21/00 , F21V29/76 , F21V9/30 , F21V14/08 , G02B26/00 , G03B21/20 , G03B33/12 , H04N9/31 , G02B19/00 , F21Y115/30 , C09K11/77
Abstract: An object of the present invention is to improve the efficiency of heat dissipation from a phosphor wheel while suppressing the air resistance and noise of the phosphor wheel during the driving of a light source apparatus. A phosphor wheel according to the present invention includes a disc-like substrate, a phosphor layer formed on the substrate, and a plurality of heat dissipation fins overlapping with each other when viewed in a direction orthogonal to a surface of the substrate.
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公开(公告)号：US20170235216A1
公开(公告)日：2017-08-17
申请号：US15583136
申请日：2017-05-01
Applicant: Sony Corporation
Inventor： Yuki Maeda , Takahiro Igarashi , Yutaka Imai
CPC classification number: G03B21/204 , C09K11/02 , F21V9/30 , F21V13/08 , G03B21/2066
Abstract: A light emitting element includes a base material having a rough surface and a phosphor layer which is directly or indirectly formed on the rough surface of the base material and includes a plurality of phosphor particles which are bonded to each other by a binder.
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Patent Agency Ranking
公开(公告)号：US11269245B2
公开(公告)日：2022-03-08
申请号：US16637865
申请日：2018-07-18
Applicant: SONY CORPORATION
Inventor： Izushi Kobayashi , Mariko Obinata , Yuki Maeda
Abstract: A light source unit according to an embodiment of the present disclosure includes: a light source section; and a wavelength conversion element that is excited by exciting light from the light source section to emit fluorescent light. The wavelength conversion element includes a substrate that is rotatable around a rotation axis, a phosphor layer including a plurality of phosphor particles, and a quantum-dot layer including a plurality of quantum dots. The phosphor layer and the quantum-dot layer are disposed in this order relative to the light source section.
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公开(公告)号：US11081862B2
公开(公告)日：2021-08-03
申请号：US16701627
申请日：2019-12-03
Applicant: Sony Corporation
Inventor： Tatsushi Hamaguchi , Masaru Kuramoto , Yuki Maeda , Noriyuki Futagawa
Abstract: A method of manufacturing a light emitting element includes, sequentially (a) forming a first light reflecting layer having a convex shape; (b) forming a layered structure body by layering a first compound semiconductor layer, an active layer, and a second compound semiconductor layer; (c) forming, on the second surface of the second compound semiconductor layer, a second electrode and a second light reflecting layer formed from a multilayer film; (d) fixing the second light reflecting layer to a support substrate; (e) removing the substrate for manufacturing a light emitting element, and exposing the first surface of the first compound semiconductor layer and the first light reflecting layer; (f) etching the first surface of the first compound semiconductor layer; and (g) forming a first electrode on at least the etched first surface of the first compound semiconductor layer.
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公开(公告)号：US10775687B2
公开(公告)日：2020-09-15
申请号：US16420397
申请日：2019-05-23
Applicant: SONY CORPORATION
Inventor： Izushi Kobayashi , Yuki Maeda , Takahiro Mochizuki , Mariko Obinata , Shinichiro Tajiri
IPC: G03B21/20 , G03B21/16 , H04N5/74 , H04N9/31 , F21V29/502 , F21V29/70 , F21V29/76 , F21S2/00 , G03B21/00 , G03B21/14 , G03B33/12
Abstract: The invention aims to provide small-sized and highly-reliable light converter and light source unit, as well as a projector each of which makes it possible to cool down heat generated in a fluorescent body in a motorless manner. A light converter of the disclosure includes a fluorescent body that is excited by excitation light; a first light-collecting lens that has a lens surface to which the fluorescent body is bonded, and causes the excitation light to enter the fluorescent body; and a heat-dissipating member to which the lens surface is adhered at least around a region to which the fluorescent body is bonded.
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公开(公告)号：US10711189B2
公开(公告)日：2020-07-14
申请号：US16332326
申请日：2017-07-27
Applicant: SONY CORPORATION
Inventor： Yuki Maeda , Hiroki Morita , Izushi Kobayashi
Abstract: A light source unit includes a light source section and a fluorescent structure. The fluorescent structure includes a fluorescent part where light from the light source section enters. The fluorescent part includes a transparent grain in addition to a plurality of phosphors.
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公开(公告)号：US10578957B2
公开(公告)日：2020-03-03
申请号：US16237850
申请日：2019-01-02
Applicant: SONY CORPORATION
Inventor： Yuki Maeda , Yoshiro Asano , Masa Tanaka
Abstract: A fluorescent substrate according to one embodiment of the present disclosure includes: a substrate that is in a rotatable manner; a fluorescent layer disposed in a center of the substrate; and a fixing layer that fixes a portion of a surface on side on which the fluorescent layer is located of the substrate and a portion of a surface on side on which the substrate is located of the fluorescent layer to each other. Thus, in a case where warpage occurs in the substrate due to a stress caused by thermal expansion arising in each of the fluorescent layer and the substrate, it is possible to reduce an amount of displacement of the fluorescent layer.
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