JP7344880B2 - 照明モジュールおよびこれを備えた照明装置 - Google Patents
照明モジュールおよびこれを備えた照明装置 Download PDFInfo
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- JP7344880B2 JP7344880B2 JP2020537496A JP2020537496A JP7344880B2 JP 7344880 B2 JP7344880 B2 JP 7344880B2 JP 2020537496 A JP2020537496 A JP 2020537496A JP 2020537496 A JP2020537496 A JP 2020537496A JP 7344880 B2 JP7344880 B2 JP 7344880B2
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Classifications
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- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
- F21K9/68—Details of reflectors forming part of the light source
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
- F21S2/005—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction of modular construction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
- F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
- F21K9/238—Arrangement or mounting of circuit elements integrated in the light source
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
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- G—PHYSICS
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- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
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- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0083—Details of electrical connections of light sources to drivers, circuit boards, or the like
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- H—ELECTRICITY
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- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/075—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00
- H01L25/0753—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00 the devices being arranged next to each other
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/52—Encapsulations
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
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- H01L33/56—Materials, e.g. epoxy or silicone resin
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/58—Optical field-shaping elements
- H01L33/60—Reflective elements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/62—Arrangements for conducting electric current to or from the semiconductor body, e.g. lead-frames, wire-bonds or solder balls
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- General Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Planar Illumination Modules (AREA)
- Led Device Packages (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Description
図1は発明の実施例に係る照明装置を示した平面図であり、図2は図1の照明装置のA-A側断面図であり、図3は図2の照明装置の部分拡大図であり、図4は図2の照明装置の上に拡散層を配置した例である。
図1~図4のように、前記基板401は、印刷回路基板(PCB:Printed Circuit Board)を含み、例えば、樹脂系の印刷回路基板(PCB)、メタルコア(Metal Core)PCB、フレキシブル(Flexible)PCB、リジッドPCB、セラミックPCBまたはFR-4基板を含むことができる。前記基板401は、回路パターンを有する層を1つまたは2つ以上有することができ、一面に回路パターンを有するPCBまたは両面に回路パターンを有するPCBを含むことができる。前記基板401は、前記光源400が配置された領域およびその周辺領域に回路パターンが配置される。
前記基板401は、絶縁層410、前記絶縁層410の上に金属層420、前記金属層420の上に保護層430を含むことができる。前記絶縁層410は、エポキシ樹脂、ガラス繊維、難燃剤、プリプレグ物質(Preimpregnated Materials)、フェノール樹脂、不飽和ポリエステル樹脂のうち少なくとも1つまたは2つ以上を含むことができる。前記基板401は、放熱のために前記絶縁層410の下部に金属材質の支持層がさらに配置される。前記金属層420は、絶縁層410の上に配置され、Cu、Au、Al、Agのうち少なくとも1つを含み、単層または多層で提供される。前記金属層420は、例えばCuまたはAu/Cuを含むことができる。前記金属層420は、第1金属層421と第2金属層423を含むことができる。前記金属層420は、前記第1金属層421と前記第2金属層423は相互電気的にオープンされる。前記第1金属層421と前記第2金属層423は、物理的に分離することができる。前記第1金属層421は、前記光源100と隣接または前記光源100の下部領域に配置される。前記第1金属層421は、回路パターンを有する配線層として機能し、前記光源100と電気的に連結される。前記第1金属層421は、前記複数の光源を直列、並列または直-並列に連結することができる。前記第2金属層423は、図1で反射領域の下に配置される。前記第2金属層423は、前記第1金属層421と同じ金属を含むことができる。前記第2金属層423の上面面積は、前記基板401の上面面積の50%以上または70%以上有することができる。前記第2金属層423は、前記光源100と電気的にオープンされる。前記第2金属層423は、前記反射領域A1の下に単一プレートとして提供される。前記第2金属層423のトップビュー形状が多角形形状を有することができる。前記第2金属層423の上面は、前記第1金属層421の上面と同じ平面上に配置される。前記第2金属層423の下面は、前記第1金属層421の下面と同じ平面上に配置される。前記金属層420の厚さは、35μm以上、例えば35~70μmまたは35~100μmの範囲を有することができる。前記金属層420の厚さは、電気伝導率および熱伝導率のために35μm以上に形成され、モジュールの厚さやフレキシブル特性を考慮して100μm以下に提供される。
図1および図3を参照すると、前記光源100は、前記基板401の上に配置され、前記樹脂層450によって密封される。前記光源100は、前記基板401の上に配置され、前記樹脂層450の内部に埋め込まれる。前記光源100は、前記樹脂層450の側面のうちの少なくとも第1側面S1に隣接するように配置され、前記第1側面S1の反対側方向に光を放出することになる。前記光源100は、第1側面S1から離隔するので、湿気流入経路を長く提供することができる。図1のように、前記光源100は、前記反射領域A1から離隔することができる。
前記突起P1は、前記金属層420の開口部Raの上に配置される。前記突起P1は、金属性突起を含むことができる。前記突起P1は、Ag、Au、Pt、Sn、Cu、Zn、In、Bi、Tiなどを含む群から選択された1つの物質または2つ以上の合金を含むことができる。前記突起P1は、前記第2金属層423とボンディングまたは結合される。前記突起P1は、金属、合金または金属性材質であってもよい。前記突起P1は、ソルダペーストを含むことができる。前記ソルダペーストは、パウダー粒子またはパーティクル粒子とフラックスの混合により形成されてもよい。前記ソルダペーストは、Ag-Sn系、Cu-Sn系、Au-Sn系またはSn-Ag-Cu系のうち少なくとも1つを含むことができる。前記ソルダペーストの材質において、各金属の重量%は相互異なってもよい。前記突起P1がソルダペースト材質である場合、基板401の上で前記開口部Raを通じて第2金属層423の上に形成する際に、印刷性と濡れ性が良く、ボイド(void)の発生を減らすことができる。前記突起P1の材質は、前記金属層420の材質と異なってもよい。前記突起P1は、前記保護層430の開口部Raの上に液状の材料で形成されて硬化し、前記突起の表面は、硬化する際に表面張力がよって曲面形状に形成される。
前記樹脂層450は、前記基板401の上に配置される。前記樹脂層450は、前記基板401の上面全体または一部領域上に配置される。前記樹脂層450の下面面積は、前記基板401の上面面積と同一または小さくてもよい。前記樹脂層450の各側面は、前記基板401の各側面と同じ平面上に配置される。前記樹脂層450は、前記突起P1と前記基板401の保護層430に接触することができる。前記樹脂層450は、前記光源100の表面に接触し、前記出射面101に接触することができる。前記樹脂層450の上面は、平坦な面または凹凸形状を有する粗い面であってもよい。前記樹脂層450の一部は、前記突起P1の間にそれぞれ配置される。前記樹脂層450は、前記突起P1の間の反射部R1に接触することができる。前記樹脂層450は、前記突起P1の盛り上がっている曲面と反射部R1の平坦な上面に接触することができる。
Claims (11)
- 絶縁層と、前記絶縁層の上に配置された第1金属層と、前記絶縁層の上に配置され、前記第1金属層から分離された第2金属層とを含む基板と、
前記基板の上に第1方向に配列された複数の光源と、
前記第2金属層の上に前記第1方向に長い長さを有し、第2方向に配列される複数の突起と、
前記複数の光源および前記複数の突起の上に配置された樹脂層と、
前記第1、2金属層と前記樹脂層の間に配置された絶縁材質の保護層と、
を含み、
前記樹脂層は、前記複数の光源および前記複数の突起を密封し、
前記第1金属層は、前記光源と電気的に連結され、
前記第2金属層は、前記複数の突起と結合され、
前記第2金属層の材質は、前記複数の突起の材質と異なり、
前記保護層は、前記複数の突起のそれぞれが突出する複数の開口部を含み、
前記複数の突起は、前記第1方向と直交する前記第2方向に相互離隔し、
前記複数の光源は、前記第2方向に向かって光を放出する、照明装置。 - 前記基板は、前記保護層を含み、
前記保護層は、白色材質であり、前記複数の突起の間に配置された反射部を含み、
前記反射部と前記複数の突起は、互いに異なる高さを有する、請求項1に記載の照明装置。 - 前記第2金属層の上に配置された前記複数の突起のそれぞれの最上面は、前記第2金属層の上に配置された前記反射部の上面より高く配置される、請求項2に記載の照明装置。
- 前記樹脂層は、第1側面と、前記第1側面と対向する第2側面を含み、
前記第1側面と前記第2側面のうち少なくとも一つは、前記基板の外側面の上に露出し 、
前記複数の光源は、前記第1側面に隣接するように配置され、前記第2側面に向かって光を出射するように出射面を有する、請求項1から3のいずれか一項に記載の照明装置。 - 前記複数の突起は、上面が盛り上がっている曲面を含み、
前記複数の突起は、前記基板の第1方向の長さの70%以上の長さを有する、請求項1から4のいずれか一項に記載の照明装置。 - 前記第2金属層は、複数が前記第2方向に分離され、
前記複数の突起のそれぞれは、分離された第2金属層のそれぞれに配置される、請求項2から5のいずれか一項に記載の照明装置。 - 前記保護層の反射部は、前記複数に分離された第2金属層の間にそれぞれ配置される、請求項6に記載の照明装置。
- 前記複数の突起のうちの少なくとも一部は、前記第1方向に相互離隔して配置される、請求項1から7のいずれか一項に記載の照明装置。
- 前記複数の突起は、Ag-Sn系、Cu-Sn系、Au-Sn系またはSn-Ag-Cu系のうちの少なくとも一つを含む、請求項1から8のいずれか一項に記載の照明装置。
- 前記複数の突起は、前記光源と前記樹脂層の一側面の間に配置される、請求項1から9のいずれか一項に記載の照明装置。
- 基板と、
前記基板の上に第1方向に配列された複数の光源と、
前記基板の上に前記第1方向と直交する第2方向に配列された複数の突起と、
前記基板の上部に配置され、前記複数の光源および前記複数の突起を覆う樹脂層と、
を含み、
前記基板は、絶縁層と、前記絶縁層の上に金属層とを含み、
前記金属層は、前記絶縁層と前記複数の光源の間に設けられる第1金属層と、前記絶縁層と前記複数の突起の間に設けられる第2金属層とを含み、
前記第1、2金属層は、前記絶縁層と前記樹脂層の間に配置され、
前記第1金属層と前記第2金属層は物理的に分離され、
前記第1金属層は、前記複数の光源と電気的に連結され、
前記第1金属層と前記第2金属層は同じ金属を含み、
前記複数の光源の下部に配置された前記第1金属層の上面は、前記第2金属層の上面と同じ平面に配置され、
前記複数の突起のそれぞれの第1方向の長さは、前記第2方向の幅より大きく、
前記複数の突起と前記金属層の材質は相互に異なり、
前記複数の光源は、前記第2方向に向かって光を放出する照明装置。
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KR20240004135A (ko) | 2024-01-11 |
US11796139B2 (en) | 2023-10-24 |
JP2021510446A (ja) | 2021-04-22 |
US11519568B2 (en) | 2022-12-06 |
EP3739258A4 (en) | 2021-03-17 |
CN111602001A (zh) | 2020-08-28 |
EP3739258B1 (en) | 2023-10-11 |
US20230053397A1 (en) | 2023-02-23 |
KR20190086300A (ko) | 2019-07-22 |
US20210071823A1 (en) | 2021-03-11 |
EP3739258A1 (en) | 2020-11-18 |
WO2019139336A1 (ko) | 2019-07-18 |
CN111602001B (zh) | 2022-08-05 |
KR102660451B1 (ko) | 2024-04-25 |
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