JP6655832B2 - 照明装置 - Google Patents
照明装置 Download PDFInfo
- Publication number
- JP6655832B2 JP6655832B2 JP2016041444A JP2016041444A JP6655832B2 JP 6655832 B2 JP6655832 B2 JP 6655832B2 JP 2016041444 A JP2016041444 A JP 2016041444A JP 2016041444 A JP2016041444 A JP 2016041444A JP 6655832 B2 JP6655832 B2 JP 6655832B2
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- JP
- Japan
- Prior art keywords
- light
- distribution unit
- light emitting
- light distribution
- emitting element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- F21K9/61—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using light guides
-
- 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
- F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
-
- 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
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
-
- 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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
-
- 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
- F21V3/00—Globes; Bowls; Cover glasses
-
- 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
- F21V3/00—Globes; Bowls; Cover glasses
- F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
- F21V3/06—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material
- F21V3/062—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material the material being plastics
- F21V3/0625—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material the material being plastics the material diffusing light, e.g. translucent plastics
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- 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
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
- G02B6/0031—Reflecting element, sheet or layer
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- 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
- G02B6/0045—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 by shaping at least a portion of the light guide
- G02B6/0046—Tapered light guide, e.g. wedge-shaped light guide
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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
- F21Y2105/00—Planar light sources
- F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
- F21Y2105/12—Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the geometrical disposition of the light-generating elements, e.g. arranging light-generating elements in differing patterns or densities
-
- 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
- F21Y2105/18—Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the overall shape of the two-dimensional array annular; polygonal other than square or rectangular, e.g. for spotlights or for generating an axially symmetrical light beam
-
- 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
- F21Y2113/00—Combination of light sources
-
- 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
- F21Y2113/00—Combination of light sources
- F21Y2113/10—Combination of light sources of different colours
- F21Y2113/13—Combination of light sources of different colours comprising an assembly of point-like light sources
-
- 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]
Description
以下、実施の形態に係る照明装置について説明する。
次に、照度と、光色による読みやすさ感との関係について実験により検証した。
以上、実施の形態に係る照明装置について説明したが、本発明は、上記実施の形態に限定されるものではない。なお、以下の説明において、上記実施の形態と同一の部分には同一の符号を付してその説明を省略する場合がある。
12 制御回路(制御部)
20 器具本体
41 第一配光部
42、42a 第二配光部
412 第一発光素子
422 第二発光素子
Claims (5)
- 所定の領域を照明する第一配光部と、
前記所定の領域の周囲を照明する第二配光部とを備え、
前記第一配光部は、
光の相関色温度が5400K以上7000K以下、Duvが−6以上5以下の範囲、The CIE 1997 Interim Color Appearance Model(Simple Version)で規定される算出方法を用いて求められたクロマ値が2.7以下、平均演色評価数Raが80以上となる分光放射特性を有する第一発光素子を備え、
前記第二配光部は、前記第一発光素子が発する光の相関色温度よりも低い相関色温度となる分光放射特性を有する第二発光素子を備え、
前記第一配光部は、前記第一発光素子と前記第二発光素子とを複数有し、
前記第一配光部の、複数の前記第一発光素子と、複数の前記第二発光素子とは、二重の輪をなすように配列されており、
前記二重の輪のうち、内周側の輪は、複数の前記第一発光素子のみで形成されている
照明装置。 - 前記第一配光部の出力を前記第二配光部の出力に連動して制御する制御部を備える
請求項1に記載の照明装置。 - 前記第一配光部が発する光の570nm以上780nm以下の範囲内の少なくとも一部の波長の光強度を低減する
請求項1または2に記載の照明装置。 - 前記第一配光部の相関色温度は、前記第二配光部の相関色温度よりも高い
請求項1〜3のいずれか一項に記載の照明装置。 - 前記第一配光部の照度は、前記第二配光部の照度よりも高い
請求項1〜3のいずれか一項に記載の照明装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016041444A JP6655832B2 (ja) | 2016-03-03 | 2016-03-03 | 照明装置 |
US15/447,706 US10222007B2 (en) | 2016-03-03 | 2017-03-02 | Lighting apparatus with lower color temperature lighting to a peripheral region |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016041444A JP6655832B2 (ja) | 2016-03-03 | 2016-03-03 | 照明装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017157480A JP2017157480A (ja) | 2017-09-07 |
JP6655832B2 true JP6655832B2 (ja) | 2020-02-26 |
Family
ID=59724027
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016041444A Active JP6655832B2 (ja) | 2016-03-03 | 2016-03-03 | 照明装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US10222007B2 (ja) |
JP (1) | JP6655832B2 (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10436971B2 (en) * | 2017-01-23 | 2019-10-08 | Ideal Industries Lighting, LLC | Wall washing light fixtures |
DE202018102168U1 (de) * | 2018-04-19 | 2019-07-22 | Zumtobel Lighting Gmbh | Flache LED-Leuchte |
JP6781211B2 (ja) * | 2018-08-22 | 2020-11-04 | 矢崎総業株式会社 | 車両用室内照明装置およびルーフモジュール |
CN209819355U (zh) * | 2019-04-19 | 2019-12-20 | 漳州立达信光电子科技有限公司 | 一种吸顶灯 |
CN110986006B (zh) * | 2019-12-18 | 2021-06-04 | 维沃移动通信有限公司 | 发光组件及可穿戴设备 |
US20230408066A1 (en) * | 2020-07-23 | 2023-12-21 | Ideal Industries Lighting Llc | Lighting fixture with peripheral light emission feature |
JP7389417B2 (ja) | 2020-08-21 | 2023-11-30 | 東芝ライテック株式会社 | 照明方法 |
EP4105549A4 (en) * | 2021-04-29 | 2023-07-05 | Lionway Electronics Co., Limited | CEILING LIGHT |
US11648871B1 (en) * | 2022-01-04 | 2023-05-16 | Min-Chang Lan | Circular car side LED projection lamp |
US11906147B2 (en) * | 2022-02-22 | 2024-02-20 | Brightz, ltd. | Illumination devices |
US11906142B2 (en) * | 2022-04-07 | 2024-02-20 | Globe Electric Company Inc. | Duo LED light fixture with a downlight source and an optionally operable upper light source |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2512206B2 (ja) | 1990-05-25 | 1996-07-03 | 松下電器産業株式会社 | 照明装置 |
JPH04137305A (ja) | 1990-09-26 | 1992-05-12 | Matsushita Electric Ind Co Ltd | 高齢者用照明装置およびそれを用いた投影器 |
CA2336497A1 (en) * | 2000-12-20 | 2002-06-20 | Daniel Chevalier | Lighting device |
JP2003237464A (ja) | 2002-02-12 | 2003-08-27 | Ichikoh Ind Ltd | 車両用室内灯 |
US7204607B2 (en) * | 2003-09-16 | 2007-04-17 | Matsushita Electric Industrial Co., Ltd. | LED lamp |
JP4556022B2 (ja) | 2004-04-09 | 2010-10-06 | 学校法人立命館 | 彩度低下防止用照明システムおよび彩度低下防止用照明方法 |
TWI306142B (en) * | 2007-05-16 | 2009-02-11 | Ama Precision Inc | Led table lamp |
JP5020725B2 (ja) * | 2007-07-04 | 2012-09-05 | 株式会社 風憩セコロ | 街路灯用照明器具並びに街路灯 |
JP2012022824A (ja) | 2010-07-13 | 2012-02-02 | Toshiba Lighting & Technology Corp | 照明装置 |
KR101781424B1 (ko) * | 2010-11-26 | 2017-09-26 | 서울반도체 주식회사 | 엘이디 조명기구 |
JP2013125596A (ja) | 2011-12-13 | 2013-06-24 | Sharp Corp | 照明装置 |
JP5895193B2 (ja) | 2012-03-02 | 2016-03-30 | パナソニックIpマネジメント株式会社 | 照明制御装置、およびこれを用いた照明装置 |
US9638397B2 (en) * | 2012-06-06 | 2017-05-02 | Philips Lighting Holding B.V. | Lighting apparatus and method for emitting light having different color temperatures |
JP6064205B2 (ja) * | 2012-10-02 | 2017-01-25 | パナソニックIpマネジメント株式会社 | 照明装置 |
JP6074703B2 (ja) | 2012-12-20 | 2017-02-08 | パナソニックIpマネジメント株式会社 | Led照明装置及びled発光モジュール |
JP6152732B2 (ja) | 2013-07-19 | 2017-06-28 | パナソニックIpマネジメント株式会社 | 照明方法及び照明システム |
JP6455817B2 (ja) | 2014-09-12 | 2019-01-23 | パナソニックIpマネジメント株式会社 | 照明装置 |
JP6544676B2 (ja) | 2015-03-11 | 2019-07-17 | パナソニックIpマネジメント株式会社 | 照明装置 |
US20170023214A1 (en) * | 2015-07-23 | 2017-01-26 | Morrison Optoelectronics Ltd. | Composite multi-layer circuit board and manufacturing method thereof |
-
2016
- 2016-03-03 JP JP2016041444A patent/JP6655832B2/ja active Active
-
2017
- 2017-03-02 US US15/447,706 patent/US10222007B2/en active Active
Also Published As
Publication number | Publication date |
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US20170254487A1 (en) | 2017-09-07 |
JP2017157480A (ja) | 2017-09-07 |
US10222007B2 (en) | 2019-03-05 |
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