JP2010123570A - 照明器具 - Google Patents
照明器具 Download PDFInfo
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- JP2010123570A JP2010123570A JP2009243071A JP2009243071A JP2010123570A JP 2010123570 A JP2010123570 A JP 2010123570A JP 2009243071 A JP2009243071 A JP 2009243071A JP 2009243071 A JP2009243071 A JP 2009243071A JP 2010123570 A JP2010123570 A JP 2010123570A
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Images
Classifications
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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
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
-
- 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
- F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
- F21S8/026—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters intended to be recessed in a ceiling or like overhead structure, e.g. suspended ceiling
-
- 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
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/02—Wall, ceiling, or floor bases; Fixing pendants or arms to the bases
- F21V21/04—Recessed bases
-
- 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
- F21V23/02—Arrangement of electric circuit elements in or on lighting devices the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier
- F21V23/026—Fastening of transformers or ballasts
-
- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
- F21V29/507—Cooling arrangements characterised by the adaptation for cooling of specific components of means for protecting lighting devices from damage, e.g. housings
-
- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
- F21V29/75—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with fins or blades having different shapes, thicknesses or spacing
-
- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
- F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
-
- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
- F21V29/77—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
-
- 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
- F21V7/00—Reflectors for light sources
- F21V7/0083—Array of reflectors for a cluster of light sources, e.g. arrangement of multiple light sources in one plane
-
- 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]
Abstract
【解決手段】本発明は、複数の発光素子6が実装された基板7と、前記発光素子6の周囲をカバーするように設けられた遮光部材5と、前記複数の発光素子6の各々に対応する反射面8fが形成されるとともに、最も外周側に位置する発光素子6に対応する反射面8fは、当該発光素子6の内側に位置する発光素子6に対応する反射面8fより発光素子6から出射された光を遮光する角度が大きく形成されている反射体8とを備える照明器具1である。
【選択図】図9
Description
本発明は、上記課題に鑑みなされたもので、遮光特性を改善し、グレアを低減できる照明器具を提供することを目的とする。
本発明は、最も内周側に位置する発光素子において、遮光部材による遮光角と、その発光素子に対応する反射面による遮光角との関係を規定するものである。
請求項2に記載の発明によれば、請求項1に記載の発明の効果に加え、グレアの低減を確実なものとすることができる。
請求項3に記載の発明によれば、請求項1に記載の発明の効果に加え、遮光効果を有効に機能させることが可能となる。
請求項4に記載の発明によれば、請求項1に記載の発明の効果に加え、照明器具の設置環境に応じた遮光特性の実現が可能となる。
さらに、この遮光部材5の遮光角θ2´と最外周側の配列L3のLED6の遮光角θ3との関係は、θ3>θ2´を充足する関係となっている。
なお、本発明は、上記各実施形態の構成に限定されることなく、発明の要旨を逸脱しない範囲で種々の変形が可能である。
6・・・発光素子(LED)、7・・・基板、8・・・反射体、
8f・・・反射面
Claims (4)
- 複数の発光素子が実装された基板と;
前記発光素子の周囲をカバーするように設けられた遮光部材と;
前記複数の発光素子の各々に対応する反射面が形成されるとともに、最も外周側に位置する発光素子に対応する反射面は、当該発光素子の内側に位置する発光素子に対応する反射面より発光素子から出射された光を遮光する角度が大きく形成されている反射体と;
を具備することを特徴とする照明器具。 - 前記最も外周側に位置する発光素子から複数の発光素子の中心に向かう方向へ出射された光を、当該発光素子に対応する反射面によって遮光する角度は、前記最も外周側に位置する発光素子より内側に位置する発光素子から複数の発光素子の中心に向かう方向へ出射された光を、前記遮光部材によって遮光する角度よりも大きな角度に設定されていることを特徴とする請求項1に記載の照明器具。
- 前記最も外周側に位置する発光素子から複数の発光素子の中心に向かう方向へ出射された光を、当該発光素子に対応する反射面によって遮光する角度は、前記最も外周側に位置する発光素子より内側に位置する発光素子から複数の発光素子の中心に向かう方向へ出射された光を、前記遮光部材によって遮光する角度よりも小さな角度又は略同一な角度に設定されていることを特徴とする請求項1に記載の照明器具。
- 前記複数の発光素子の最も内周側に位置する発光素子から複数の発光素子の中心に向かう方向へ出射された光を、前記遮光部材によって遮光する角度は、当該発光素子から複数の発光素子の中心に向かう方向へ出射された光を、当該発光素子に対応する反射面によって遮光する角度よりも大きな角度に設定されていることを特徴とする請求項1に記載の照明器具。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009243071A JP5347147B2 (ja) | 2008-10-22 | 2009-10-22 | 照明器具 |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008272281 | 2008-10-22 | ||
JP2008272281 | 2008-10-22 | ||
JP2009243071A JP5347147B2 (ja) | 2008-10-22 | 2009-10-22 | 照明器具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010123570A true JP2010123570A (ja) | 2010-06-03 |
JP5347147B2 JP5347147B2 (ja) | 2013-11-20 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2009243071A Expired - Fee Related JP5347147B2 (ja) | 2008-10-22 | 2009-10-22 | 照明器具 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8482014B2 (ja) |
EP (1) | EP2180241B1 (ja) |
JP (1) | JP5347147B2 (ja) |
CN (1) | CN101725852B (ja) |
Cited By (8)
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JP2013069627A (ja) * | 2011-09-26 | 2013-04-18 | Panasonic Corp | 照明器具 |
JP2013098000A (ja) * | 2011-10-31 | 2013-05-20 | Panasonic Corp | Led照明器具 |
JP2013235725A (ja) * | 2012-05-09 | 2013-11-21 | Mitsubishi Electric Corp | ヒートシンク及び照明器具 |
JP2014235796A (ja) * | 2013-05-31 | 2014-12-15 | 三菱電機株式会社 | 埋込形照明装置 |
JP2015050027A (ja) * | 2013-09-02 | 2015-03-16 | 三菱電機株式会社 | 照明装置 |
JP2016085981A (ja) * | 2014-10-27 | 2016-05-19 | フワシン イーアンドビー カンパニー,リミテッド | Led灯ヘッド用の高効率配光板 |
JP2017180554A (ja) * | 2016-03-29 | 2017-10-05 | 東京エレクトロニツクシステムズ株式会社 | 通信装置、送信機、及び受信機 |
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JP2013069627A (ja) * | 2011-09-26 | 2013-04-18 | Panasonic Corp | 照明器具 |
JP2013098000A (ja) * | 2011-10-31 | 2013-05-20 | Panasonic Corp | Led照明器具 |
JP2013235725A (ja) * | 2012-05-09 | 2013-11-21 | Mitsubishi Electric Corp | ヒートシンク及び照明器具 |
JP2014235796A (ja) * | 2013-05-31 | 2014-12-15 | 三菱電機株式会社 | 埋込形照明装置 |
JP2015050027A (ja) * | 2013-09-02 | 2015-03-16 | 三菱電機株式会社 | 照明装置 |
JP2016085981A (ja) * | 2014-10-27 | 2016-05-19 | フワシン イーアンドビー カンパニー,リミテッド | Led灯ヘッド用の高効率配光板 |
JP2017180554A (ja) * | 2016-03-29 | 2017-10-05 | 東京エレクトロニツクシステムズ株式会社 | 通信装置、送信機、及び受信機 |
JP2020004895A (ja) * | 2018-06-29 | 2020-01-09 | 日亜化学工業株式会社 | 発光装置 |
JP7177331B2 (ja) | 2018-06-29 | 2022-11-24 | 日亜化学工業株式会社 | 発光装置 |
Also Published As
Publication number | Publication date |
---|---|
EP2180241A2 (en) | 2010-04-28 |
EP2180241A3 (en) | 2011-12-21 |
JP5347147B2 (ja) | 2013-11-20 |
CN101725852A (zh) | 2010-06-09 |
US8482014B2 (en) | 2013-07-09 |
EP2180241B1 (en) | 2012-08-29 |
CN101725852B (zh) | 2013-05-22 |
US20100038657A1 (en) | 2010-02-18 |
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