JP5218771B2 - 反射体及び照明器具 - Google Patents
反射体及び照明器具 Download PDFInfo
- Publication number
- JP5218771B2 JP5218771B2 JP2009071275A JP2009071275A JP5218771B2 JP 5218771 B2 JP5218771 B2 JP 5218771B2 JP 2009071275 A JP2009071275 A JP 2009071275A JP 2009071275 A JP2009071275 A JP 2009071275A JP 5218771 B2 JP5218771 B2 JP 5218771B2
- Authority
- JP
- Japan
- Prior art keywords
- reflector
- main body
- partition
- radial
- light
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
-
- 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
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/12—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
-
- 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
- F21V29/763—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 the planes containing the fins or blades having the direction of the light emitting axis
-
- 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
- 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
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Description
請求項4に記載の発明によれば、前記反射体の効果を奏する照明器具を提供できる。
このように、これら隔壁、すなわち、放射状隔壁6c、内周隔壁6d及び分割隔壁6eの稜線部によって投光開口6a・・・が区画されるようになる。
6・・・反射体、6c・・・放射状隔壁、6d・・・内周隔壁、
6f・・・反射面、10・・・発光素子(LED)、12・・・固定手段(取付けねじ)
Claims (5)
- 複数の発光素子と対向する複数の投光開口と;
この投光開口を区画する稜線部を有し、中央部から外周部に向かって延出する複数の放射状隔壁と、この放射状隔壁と交差するように中央部から外周部の間に位置する内周隔壁と、この内周隔壁の外側から外周部に向かって延出するとともに複数の放射状隔壁の間に位置する分割隔壁とを備えた隔壁と;
この隔壁によって前記投光開口から稜線部に向けて拡開するように形成された反射面と;
を具備することを特徴とする反射体。 - 前記放射状隔壁の厚さ寸法は、内周隔壁の厚さ寸法より大きく形成されていることを特徴とする請求項1に記載の反射体。
- 前記投光開口を区画する稜線部の高さ寸法は、中央部から外周部に向かうに従い漸次高くなるように形成されていることを特徴とする請求項1又は請求項2に記載の反射体。
- 本体と;
この本体に取付けられる請求項1乃至請求項3のいずれか一に記載の反射体と;
を具備することを特徴とする照明器具。 - 熱伝導性の本体と;
この本体に取付けられる請求項1乃至請求項3のいずれか一に記載の反射体と;
前記本体と反射体との間に介在して取付けられる複数の発光素子が配設された基板と;
前記反射体の放射状隔壁の裏側位置において、前記本体と前記反射体とを固定する固定手段と;
を具備することを特徴とする照明器具。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009071275A JP5218771B2 (ja) | 2008-05-22 | 2009-03-24 | 反射体及び照明器具 |
| EP09006842A EP2123973A3 (en) | 2008-05-22 | 2009-05-20 | Reflector and lighting apparatus comprising reflector |
| US12/470,223 US7993033B2 (en) | 2008-05-22 | 2009-05-21 | Reflector and lighting apparatus comprising reflector |
| CN2009101430203A CN101586780B (zh) | 2008-05-22 | 2009-05-22 | 反射体及照明器具 |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008134855 | 2008-05-22 | ||
| JP2008134855 | 2008-05-22 | ||
| JP2009071275A JP5218771B2 (ja) | 2008-05-22 | 2009-03-24 | 反射体及び照明器具 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2010003677A JP2010003677A (ja) | 2010-01-07 |
| JP5218771B2 true JP5218771B2 (ja) | 2013-06-26 |
Family
ID=40983345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2009071275A Expired - Fee Related JP5218771B2 (ja) | 2008-05-22 | 2009-03-24 | 反射体及び照明器具 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US7993033B2 (ja) |
| EP (1) | EP2123973A3 (ja) |
| JP (1) | JP5218771B2 (ja) |
| CN (1) | CN101586780B (ja) |
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| JP2010250962A (ja) * | 2009-04-10 | 2010-11-04 | Toshiba Lighting & Technology Corp | 発光モジュール及び照明器具 |
| JP4762349B2 (ja) * | 2010-01-14 | 2011-08-31 | シャープ株式会社 | 照明装置 |
| DE102010001777B4 (de) * | 2010-02-10 | 2012-08-16 | Insta Elektro Gmbh | Beleuchtungseinrichtung |
| JP5595065B2 (ja) * | 2010-02-22 | 2014-09-24 | パナソニック株式会社 | 照明器具 |
| JP2011171236A (ja) | 2010-02-22 | 2011-09-01 | Panasonic Electric Works Co Ltd | 照明器具 |
| CN102168816B (zh) * | 2010-02-26 | 2013-10-23 | 东芝照明技术株式会社 | 照明器具 |
| JP5534921B2 (ja) * | 2010-04-23 | 2014-07-02 | パナソニック株式会社 | 照明器具 |
| US8789969B2 (en) * | 2010-08-17 | 2014-07-29 | GE Lighting Solutions, LLC | Compact LED light engine with reflector cups and highly directional lamps using same |
| KR101781424B1 (ko) * | 2010-11-26 | 2017-09-26 | 서울반도체 주식회사 | 엘이디 조명기구 |
| USD690857S1 (en) | 2011-03-29 | 2013-10-01 | Cooper Technologies Company | Light-emitting diode (LED) floodlight |
| DE112012001537B4 (de) * | 2011-04-01 | 2023-10-12 | Eaton Intelligent Power Limited | Leuchtdioden-Strahler |
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| JP5810309B2 (ja) * | 2011-06-23 | 2015-11-11 | パナソニックIpマネジメント株式会社 | 照明器具 |
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| USD679446S1 (en) | 2011-11-17 | 2013-04-02 | Myotek Pacific Corp. | LED spot lamp |
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| CN102853291B (zh) * | 2012-04-24 | 2015-05-20 | 中山大学 | 一种可拼装的led光引擎 |
| AT513206B1 (de) * | 2012-07-18 | 2015-04-15 | Zizala Lichtsysteme Gmbh | Leuchteinheit für einen Scheinwerfer |
| USD695441S1 (en) * | 2012-09-19 | 2013-12-10 | Cree Hong Kong Limited | Lamp |
| USD710047S1 (en) * | 2013-01-16 | 2014-07-29 | Zumtobel Lighting Gmbh | Recessed lighting fixture |
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| US9353924B2 (en) | 2014-01-10 | 2016-05-31 | Cooper Technologies Company | Assembly systems for modular light fixtures |
| DE102014205898A1 (de) * | 2014-03-28 | 2015-10-01 | Selux Aktiengesellschaft | Reflektor |
| CN104214743B (zh) * | 2014-08-29 | 2017-01-25 | 苏州骏发精密机械有限公司 | 格栅型led散热器 |
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2009
- 2009-03-24 JP JP2009071275A patent/JP5218771B2/ja not_active Expired - Fee Related
- 2009-05-20 EP EP09006842A patent/EP2123973A3/en not_active Withdrawn
- 2009-05-21 US US12/470,223 patent/US7993033B2/en not_active Expired - Fee Related
- 2009-05-22 CN CN2009101430203A patent/CN101586780B/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US7993033B2 (en) | 2011-08-09 |
| EP2123973A3 (en) | 2010-09-08 |
| EP2123973A2 (en) | 2009-11-25 |
| CN101586780A (zh) | 2009-11-25 |
| US20090290354A1 (en) | 2009-11-26 |
| CN101586780B (zh) | 2013-03-20 |
| JP2010003677A (ja) | 2010-01-07 |
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