JP2019029084A - 屋外用照明装置 - Google Patents
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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
- H01L33/50—Wavelength conversion elements
- H01L33/501—Wavelength conversion elements characterised by the materials, e.g. binder
- H01L33/502—Wavelength conversion materials
- H01L33/504—Elements with two or more wavelength conversion materials
-
- 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
- F21V9/06—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for filtering out ultraviolet radiation
-
- 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
- H01L33/483—Containers
- H01L33/486—Containers adapted for surface mounting
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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
- H01L33/50—Wavelength conversion elements
- H01L33/505—Wavelength conversion elements characterised by the shape, e.g. plate or foil
-
- 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
- H01L33/50—Wavelength conversion elements
- H01L33/507—Wavelength conversion elements the elements being in intimate contact with parts other than the semiconductor body or integrated with parts other than the semiconductor body
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/08—Lighting devices intended for fixed installation with a standard
- F21S8/085—Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light
- F21S8/086—Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light with lighting device attached sideways of the standard, e.g. for roads and highways
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/10—Outdoor lighting
- F21W2131/103—Outdoor lighting of streets or roads
-
- 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
- F21Y2105/00—Planar light sources
- F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
- F21Y2105/14—Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the overall shape of the two-dimensional array
- F21Y2105/16—Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the overall shape of the two-dimensional array square or rectangular, e.g. for light panels
-
- 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]
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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
- H01L33/50—Wavelength conversion elements
- H01L33/501—Wavelength conversion elements characterised by the materials, e.g. binder
- H01L33/502—Wavelength conversion materials
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- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- General Engineering & Computer Science (AREA)
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- Spectroscopy & Molecular Physics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Led Device Packages (AREA)
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Abstract
【解決手段】実施形態の一例である道路灯100は、相関色温度が5000K〜6500K、色偏差が±10以内、暗所視における光束と明所視における光束との比率であるS/P比が2.0以上、式1により算出されるルーメン当量が300lm/W以上である白色光を出射する光源310を備える。光源310は、発光ピーク波長が380nm〜430nmの光を出射する固体発光素子313と、固体発光素子313から出射される光を吸収して上記白色光を放射する蛍光体317とを有する。
【選択図】図2
Description
また、上記白色色の平均演色評価数(Ra)は、80以上であることが好ましい。Raが80以上であれば、色再現性が高く、例えば道路200上、並びに道路200の周辺に設置された標識などの色情報がより正確に認識でき、車両の色、歩行者の服の色などについても正確に把握できる。
図9は、実施例1の光源Aの発光スペクトルを示す図である。光源Aは、光源310と同様の構造を有し、波長405nmに発光ピークを有するLEDと、下記3種類の蛍光体とを有する。3種類の蛍光体は、封止部材を構成するシリコーン樹脂中に均一に分散している。
青色蛍光体;シリケート蛍光体 (Ba,Sr,Ca,Mg)2SiO4:Eu2+
緑色蛍光体;βサイアロン蛍光体
赤色蛍光体;窒化物蛍光体 (Ca,Sr)AlSiN3:Eu2+
各蛍光体は、相関色温度が5500Kとなるように配合量を調整した。
Duv;0
Ra;87
S/P比;2.1
ルーメン当量;300lm/W
図10は、実施例2の光源Bの発光スペクトルを示す図である。光源Bは、光源Aと同じLED、同じ構造を有する。光源Bの封止部材を構成するシリコーン樹脂中には、下記の蛍光体が均一に分散した状態で含有されている。
青色蛍光体;シリケート蛍光体 (Ba,Sr,Ca,Mg)2SiO4:Eu2+
緑色蛍光体;βサイアロン蛍光体
赤色蛍光体;Eu3+賦活酸化物蛍光体 La2O2S:Eu3+
各蛍光体は、相関色温度が5500Kとなるように配合量を調整した。
Duv;0
Ra;92
S/P比;2.2
ルーメン当量;300lm/W
図11は、比較例1の光源Xの発光スペクトルを示す図である。光源Xは、光源310と同様の構造を有し、波長450nmに発光ピークを有する青色LEDと、下記2種類の蛍光体とを有する。2種類の蛍光体は、封止部材を構成するシリコーン樹脂中に均一に分散している。
緑色蛍光体;Lu3Al5O12:Ce3+
赤色蛍光体;窒化物蛍光体 (Ca,Sr)AlSiN3:Eu2+
各蛍光体は、相関色温度が6000Kとなるように配合量を調整した。
Duv;0
Ra;80
S/P比;2.2
図12は、比較例2の光源Yの発光スペクトルを示す図である。光源Yは、光源310と同様の構造を有し、波長480nmに発光ピークを有する青緑色LEDと、波長630nmに発光ピークを有する赤色LEDと、下記の蛍光体とを有する。蛍光体は、封止部材を構成するシリコーン樹脂中に均一に分散している。
緑色蛍光体;Y3Al5O12:Ce3+
蛍光体は、相関色温度が5500Kとなるように配合量を調整した。
Ra;58
S/P比;2.9
Claims (6)
- 前記白色光の平均演色評価数が、80以上である、請求項1に記載の屋外用照明装置。
- 前記光源は、前記蛍光体として、
発光ピーク波長が440nm〜480nmであり、発光ピーク強度の半値における長波長側の波長が480nm〜500nmである青色蛍光体と、
発光ピーク波長が530nm〜550nmであり、スペクトル半値幅が50nm以上である緑色蛍光体と、
発光ピーク波長が610nm〜625nmである赤色蛍光体と、
を含む、請求項1又は2に記載の屋外用照明装置。 - 前記光源は、前記蛍光体として、第1蛍光体と、前記第1蛍光体よりも長波長の光を放射する第2蛍光体とを含み、
前記第2蛍光体は、前記第1蛍光体よりも前記固体発光素子に近接配置されている、請求項1〜3のいずれか1項に記載の屋外用照明装置。 - 波長420nm以下の光をカットする光学部材をさらに備える、請求項1〜4のいずれか1項に記載の屋外用照明装置。
- 前記光源は、路面から5m〜15mの高さに設置され、前記路面に前記白色光を照射する、請求項1〜5のいずれか1項に記載の屋外用照明装置。
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JP2017144313A JP6861389B2 (ja) | 2017-07-26 | 2017-07-26 | 屋外用照明装置 |
US16/043,454 US20190035982A1 (en) | 2017-07-26 | 2018-07-24 | Light source and outdoor illumination apparatus |
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JP2017144313A JP6861389B2 (ja) | 2017-07-26 | 2017-07-26 | 屋外用照明装置 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021019997A1 (ja) * | 2019-07-26 | 2021-02-04 | 京セラ株式会社 | 光ファイバー給電システム |
WO2021131287A1 (ja) * | 2019-12-24 | 2021-07-01 | 日亜化学工業株式会社 | 発光装置 |
Citations (9)
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JPH073189A (ja) * | 1993-06-21 | 1995-01-06 | Akiyama Seiji | ランプ用防虫塗料 |
JP2009516329A (ja) * | 2005-11-10 | 2009-04-16 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 低圧水銀蒸気放電ランプ及びコンパクトな蛍光ランプ |
CN101765739A (zh) * | 2007-07-26 | 2010-06-30 | 莱姆尼斯照明专利控股公司 | 照明装置 |
JP2011155297A (ja) * | 2004-04-27 | 2011-08-11 | Panasonic Corp | 発光装置 |
JP2012186000A (ja) * | 2011-03-04 | 2012-09-27 | Panasonic Corp | 照明装置 |
JP2014203932A (ja) * | 2013-04-03 | 2014-10-27 | 株式会社東芝 | 発光装置 |
JP2016096055A (ja) * | 2014-11-14 | 2016-05-26 | パナソニックIpマネジメント株式会社 | 照明装置 |
US20160195227A1 (en) * | 2013-09-03 | 2016-07-07 | Gemex Consultancy B.V. | Spectrally enhanced white light for better visual acuity |
US20160377240A1 (en) * | 2015-06-26 | 2016-12-29 | Panasonic Intellectual Property Management Co., Ltd. | Illumination light source, illumination apparatus, outdoor illumination apparatus, and vehicle headlight |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101694274B (zh) * | 2005-06-10 | 2013-02-20 | 莱姆尼斯照明专利控股公司 | 照明装置和固态光源 |
-
2017
- 2017-07-26 JP JP2017144313A patent/JP6861389B2/ja active Active
-
2018
- 2018-07-24 US US16/043,454 patent/US20190035982A1/en not_active Abandoned
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH073189A (ja) * | 1993-06-21 | 1995-01-06 | Akiyama Seiji | ランプ用防虫塗料 |
JP2011155297A (ja) * | 2004-04-27 | 2011-08-11 | Panasonic Corp | 発光装置 |
JP2009516329A (ja) * | 2005-11-10 | 2009-04-16 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 低圧水銀蒸気放電ランプ及びコンパクトな蛍光ランプ |
CN101765739A (zh) * | 2007-07-26 | 2010-06-30 | 莱姆尼斯照明专利控股公司 | 照明装置 |
JP2012186000A (ja) * | 2011-03-04 | 2012-09-27 | Panasonic Corp | 照明装置 |
JP2014203932A (ja) * | 2013-04-03 | 2014-10-27 | 株式会社東芝 | 発光装置 |
US20160195227A1 (en) * | 2013-09-03 | 2016-07-07 | Gemex Consultancy B.V. | Spectrally enhanced white light for better visual acuity |
JP2016096055A (ja) * | 2014-11-14 | 2016-05-26 | パナソニックIpマネジメント株式会社 | 照明装置 |
US20160377240A1 (en) * | 2015-06-26 | 2016-12-29 | Panasonic Intellectual Property Management Co., Ltd. | Illumination light source, illumination apparatus, outdoor illumination apparatus, and vehicle headlight |
JP2017017059A (ja) * | 2015-06-26 | 2017-01-19 | パナソニックIpマネジメント株式会社 | 照明用光源及び照明装置 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021019997A1 (ja) * | 2019-07-26 | 2021-02-04 | 京セラ株式会社 | 光ファイバー給電システム |
WO2021131287A1 (ja) * | 2019-12-24 | 2021-07-01 | 日亜化学工業株式会社 | 発光装置 |
JP2021103709A (ja) * | 2019-12-24 | 2021-07-15 | 日亜化学工業株式会社 | 発光装置 |
JP7348521B2 (ja) | 2019-12-24 | 2023-09-21 | 日亜化学工業株式会社 | 発光装置 |
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US20190035982A1 (en) | 2019-01-31 |
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