JP6489831B2 - 波長変換体及びその製造方法並びに当該波長変換体を用いた照明装置 - Google Patents
波長変換体及びその製造方法並びに当該波長変換体を用いた照明装置 Download PDFInfo
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- JP6489831B2 JP6489831B2 JP2015001444A JP2015001444A JP6489831B2 JP 6489831 B2 JP6489831 B2 JP 6489831B2 JP 2015001444 A JP2015001444 A JP 2015001444A JP 2015001444 A JP2015001444 A JP 2015001444A JP 6489831 B2 JP6489831 B2 JP 6489831B2
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
- F21V13/12—Combinations of only three kinds of elements
- F21V13/14—Combinations of only three kinds of elements the elements being filters or photoluminescent elements, reflectors and refractors
-
- 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
- F21K9/64—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using wavelength conversion means distinct or spaced from the light-generating element, e.g. a remote phosphor layer
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/16—Laser light sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/176—Light sources where the light is generated by photoluminescent material spaced from a primary light generating element
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
- F21S41/67—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors
- F21S41/675—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors by moving reflectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/30—Elements containing photoluminescent material distinct from or spaced from the light source
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
- F21V14/04—Controlling the distribution of the light emitted by adjustment of elements by movement of reflectors
-
- 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]
-
- 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
- F21Y2115/30—Semiconductor lasers
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
- G02B27/14—Beam splitting or combining systems operating by reflection only
- G02B27/141—Beam splitting or combining systems operating by reflection only using dichroic mirrors
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/201—Filters in the form of arrays
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/28—Interference filters
- G02B5/283—Interference filters designed for the ultraviolet
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Semiconductor Lasers (AREA)
- Optical Filters (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Description
まず、図3Aに示すように、透光性基板11上に光学機能層13を予め形成したもの用意する。上述のように、光学機能層13は、誘電体多層膜を成膜したダイクロイックミラー等である。波長変換体10に青色レーザ光を入射させかつ波長変換部に黄色蛍光体を用いる場合、光学機能層13は、黄色波長領域を反射可能な層であればよい。
上述した波長変換体10を用いた照明装置30について、図6を用いて以下に説明する。なお、以下の説明においては、図中の白抜き矢印方向を前方として説明する。
以下に、図7乃至図10を用いて隣り合う波長変換部17間の光の漏出防止効果の評価実験について説明する。本実験では、波長変換層の1の表面から反対側の他方の表面まで連続して形成されている界面Iのみによって波長変換体が区画されている簡易モデルを用いて、波長変換部17の各々に個別に光を入射させた際の隣接する波長変換部17への光の漏出防止の効果を評価する。
上述の実施例においては、波長変換体10の光学機能層13を波長選択層としたが、光学機能層13を光反射層としてもよい。この場合、波長変換層15に含有される蛍光体を励起させる青色光を波長変換層15の表面15Sから入射させると、当該青色光が蛍光体を励起し、蛍光体から黄色蛍光が発せられる。この黄色蛍光が波長変換部17に入射して光反射層である光学機能層13によって反射された青色光と混ざり合うことで、表面15Sから白色光が出射する。
11 透光性基板
11S 表面
11A 凸部
13 光学機能層
15 波長変換層
15S 表面
17 波長変換部
17L 側面
17I 入射表面
30、70 照明装置
V 溝部
S 空隙
I 界面
Claims (6)
- 1の面を有する透光性基板と、
前記透光性基板の前記1の面上に設けられた波長変換層と、
を有する波長変換体であって、
前記波長変換層は、前記波長変換層の上面から前記透光性基板に向かって延在する格子状の界面によってマトリクス状の複数の波長変換部に区画されており、
前記複数の波長変換部のうちの隣り合う波長変換部は界面を介して互いに接しており、前記界面は前記波長変換層内部で終端しており、前記複数の波長変換部の各々の間には前記終端から前記透光性基板に至る空隙が形成されており、
前記空隙は前記透光性基板に向けて広がっており、
前記透光性基板は、前記1の面に形成されて前記空隙と共に空間を形成する溝部を有していることを特徴とする波長変換体。 - 前記透光性基板と前記複数の波長変換部との間に設けられた光学機能層を有することを特徴とする請求項1に記載の波長変換体。
- 前記光学機能層は波長選択フィルターであることを特徴とする請求項2に記載の波長変換体。
- 前記光学機能層は光反射層であることを特徴とする請求項2または3に記載の波長変換体。
- 透光性基板の一方の面に格子状の溝部を形成する工程と、
前記透光性基板の前記一方の面上に蛍光体を含有する半硬化した樹脂からなる蛍光体シートを貼付する工程と、
前記蛍光体シートを前記蛍光体シートの表面から前記格子状溝部に刃物を押し込み、前記刃物を、前記刃物を押し込んだ経路と同一の経路に沿って抜き取ることによって前記格子状溝部に沿って切断する工程と、
前記樹脂を全硬化する工程と、
を含むことを特徴とする波長変換体の製造方法。 - レーザ発光素子と、
前記レーザ発光素子の光出射方向に配され、前記レーザ発光素子からの出射光を反射する反射デバイスと、
前記反射デバイスを駆動する駆動部と、
請求項1に記載の波長変換体と、
を含む照明装置であって、
前記駆動部は、前記反射デバイスからの反射光が前記波長変換体の複数の波長変換部の各々を走査するように前記反射デバイスを駆動することを特徴とする照明装置。
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JP2015001444A JP6489831B2 (ja) | 2015-01-07 | 2015-01-07 | 波長変換体及びその製造方法並びに当該波長変換体を用いた照明装置 |
US14/985,563 US9797577B2 (en) | 2015-01-07 | 2015-12-31 | Wavelength converting device, methode for manufacturing the same and lighting unit using the same |
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JP2015001444A JP6489831B2 (ja) | 2015-01-07 | 2015-01-07 | 波長変換体及びその製造方法並びに当該波長変換体を用いた照明装置 |
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JP2016127199A JP2016127199A (ja) | 2016-07-11 |
JP6489831B2 true JP6489831B2 (ja) | 2019-03-27 |
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JP (1) | JP6489831B2 (ja) |
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KR101584201B1 (ko) * | 2014-01-13 | 2016-01-13 | 삼성전자주식회사 | 반도체 발광소자 및 이의 제조방법 |
KR20160019809A (ko) * | 2014-08-12 | 2016-02-22 | 현대모비스 주식회사 | 레이져 광학계와 이를 구비한 차량용 램프 |
JP6489831B2 (ja) * | 2015-01-07 | 2019-03-27 | スタンレー電気株式会社 | 波長変換体及びその製造方法並びに当該波長変換体を用いた照明装置 |
JP6288115B2 (ja) * | 2015-12-25 | 2018-03-07 | 日亜化学工業株式会社 | 波長変換部材及びこれを用いた光源装置 |
US10174925B2 (en) | 2015-12-25 | 2019-01-08 | Nichia Corporation | Wavelength conversion member and light source device having wavelength conversion member |
JP6648660B2 (ja) | 2016-09-21 | 2020-02-14 | 日亜化学工業株式会社 | 蛍光体含有部材及び蛍光体含有部材を備える発光装置 |
US10886437B2 (en) | 2016-11-03 | 2021-01-05 | Lumileds Llc | Devices and structures bonded by inorganic coating |
FR3061538B1 (fr) * | 2017-01-02 | 2019-05-24 | Valeo Vision | Dispositif d'eclairage pour un vehicule, combinant deux sources lumineuses |
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CN107166180A (zh) * | 2017-06-14 | 2017-09-15 | 杨毅 | 灯具 |
CN118167945A (zh) * | 2017-10-18 | 2024-06-11 | 深圳市绎立锐光科技开发有限公司 | 光源系统及照明设备 |
JP7140327B2 (ja) * | 2018-07-17 | 2022-09-21 | 国立大学法人京都大学 | 波長変換装置及び光源装置 |
JP7189422B2 (ja) * | 2018-09-27 | 2022-12-14 | 日亜化学工業株式会社 | 波長変換部材複合体、発光装置及び波長変換部材複合体の製造方法 |
JP7044979B2 (ja) * | 2019-10-16 | 2022-03-31 | 日亜化学工業株式会社 | 照明装置 |
JP7382242B2 (ja) * | 2020-01-30 | 2023-11-16 | スタンレー電気株式会社 | 照明装置及び車両用灯具 |
JP2022149549A (ja) * | 2021-03-25 | 2022-10-07 | セイコーエプソン株式会社 | 波長変換装置、光源装置及びプロジェクター |
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JP6489831B2 (ja) * | 2015-01-07 | 2019-03-27 | スタンレー電気株式会社 | 波長変換体及びその製造方法並びに当該波長変換体を用いた照明装置 |
US10174925B2 (en) * | 2015-12-25 | 2019-01-08 | Nichia Corporation | Wavelength conversion member and light source device having wavelength conversion member |
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JP2016127199A (ja) | 2016-07-11 |
US9797577B2 (en) | 2017-10-24 |
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