JP6049248B2 - 照明装置 - Google Patents
照明装置 Download PDFInfo
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- JP6049248B2 JP6049248B2 JP2011247900A JP2011247900A JP6049248B2 JP 6049248 B2 JP6049248 B2 JP 6049248B2 JP 2011247900 A JP2011247900 A JP 2011247900A JP 2011247900 A JP2011247900 A JP 2011247900A JP 6049248 B2 JP6049248 B2 JP 6049248B2
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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
- F21V15/00—Protecting lighting devices from damage
- F21V15/02—Cages
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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
- F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
- F21S2/005—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction of modular construction
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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
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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
- 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
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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
- F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
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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
- F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
- F21S8/043—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures mounted by means of a rigid support, e.g. bracket or arm
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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
- F21V15/00—Protecting lighting devices from damage
- F21V15/01—Housings, e.g. material or assembling of housing parts
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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
- 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
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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
- 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
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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
- 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
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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
- F21V3/00—Globes; Bowls; Cover glasses
- F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
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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
- F21V5/00—Refractors for light sources
- F21V5/08—Refractors for light sources producing an asymmetric light distribution
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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
- 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
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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
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
- F21V7/05—Optical design plane
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133603—Direct backlight with LEDs
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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
- 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
- F21V17/104—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 using feather joints, e.g. tongues and grooves, with or without friction
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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
- F21Y2101/00—Point-like light sources
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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
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
- F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
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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
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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
- F21Y2113/00—Combination of light sources
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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
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133628—Illuminating devices with cooling means
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- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Mathematical Physics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
Description
通常の照明装置とは異なり、これから説明する実施例による照明装置1は、独特の方式で形成される。すなわち、一つの単一照明モジュール10及び一つの電源制御部20を含んで一つの照明装置1を形成するか、又は複数個の単一照明モジュール10及び少なくとも一つの電源制御部20を含んで一つの照明装置1を形成するようになる。一つ又は複数個の単一照明モジュール10を組み合わせて、多様な大きさの照明装置1を形成するため、所望のサイズの照明装置1を形成するのに何ら制限がなくなる。
図4は第1の実施例による照明装置1Aの斜視図であり、図5は第1の実施例による照明装置1Aの断面を示す斜視図であり、図6は第1の実施例による照明装置1Aの断面図であり、図7は第1の実施例による照明装置1Aの分解斜視図であり、図8は第1の実施例による照明装置1Aの二つのケース100の断面図であり、図9は発光部200及び反射板400が結合された状態の斜視図であり、図10aは発光部200及び反射板400の分解斜視図である。
以下、第2の実施例による照明装置1Bについて、構成要素を中心として詳細に説明する。第2の実施例を説明するのにおいて、前記第1の実施例と同一の部分については第1の実施例を参照し、重複説明は省略することにする。図11a及び図11bは第2の実施例による照明装置1Bの断面図であり、図12a及び図12bは第2の実施例による照明装置1Bの他の例である。
以下、第3の実施例による照明装置1Cについて、構成要素を中心として詳細に説明する。第3の実施例を説明するのにおいて、前記第1の実施例と同一の部分については第1の実施例を参照し、重複説明は省略することにする。
以下、第4の実施例による照明装置1Dについて、構成要素を中心として詳細に説明する。第4の実施例を説明するのにおいて、前記第1の実施例と同一の部分については第1の実施例を参照し、重複説明は省略する。
以下、第5の実施例による照明装置1Eについて、構成要素を中心として詳細に説明する。第5の実施例を説明するのにおいて、前記第1の実施例と同一の部分については第1の実施例を参照し、重複説明は省略する。
以下、第6の実施例による照明装置1Fについて、構成要素を中心として詳細に説明する。第6の実施例を説明するのにおいて、前記第5の実施例と同一の部分については第5の実施例を参照し、重複説明は省略する。
ケース100の構造についての説明は、第1の実施例乃至第6の実施例についての説明をしながら既に検討したため、省略する。
図9は、発光部200及び反射板400が結合された状態の斜視図であり、図10aは、発光部200及び反射板400の分解斜視図である。
図22は、反射板400の他の実施例である。図9、図10a及び図22を参照して説明する。
図23は、電源制御部20の斜視図であり、図24は、電源制御部20の正面図である。
図1a乃至図3b及び図5を参照すると、拡散板300は発光部200上に形成されて、点光源であるLED210から放出される光が拡散板300を通じて放出されるようにし、拡散板300の表面では均一な輝度を有するように面光源化することができる。
図29は、サイドカバー40の一実施例であり、図30は、サイドカバー40の他の実施例である。
図31は、ブラケット30の一実施例30Aを示す斜視図であり、図32は、ブラケット30の他の実施例30Bを示す斜視図であり、図33は、ブラケット30Aを用いて単一照明モジュールが結合された照明装置の他の実施例の断面図であり、図34は、ブラケット30Aを用いて単一照明モジュールが結合された照明装置のまた他の実施例の断面図であり、図35は、ブラケット30Bを用いて単一照明モジュールが結合された照明装置の他の実施例の断面図であり、図36は、ブラケット30Bを用いて単一照明モジュールが結合された照明装置のまた他の実施例の断面図である。
図42は、支持フレーム50の斜視図であり、図43は、支持フレーム50の断面図であり、図44は、支持フレーム50と天井のM−BARとの結合状態を示した断面図であり、図45は、支持フレーム50と天井のT−BARとの結合状態を示した断面図である。
10 単一照明モジュール
20 電源制御部
30 ブラケット
40 サイドカバー
50 スキンカバー
100 ケース
200 発光部
300 拡散板
400 反射板
Claims (10)
- 基板と、
前記基板上に搭載される複数個のLEDを有する発光部と、
底面反射板及び前記底面反射板から延びる側面反射板を有する反射板と、
前記発光部に隣接するように配置され、前記発光部から放射された光を拡散させ、前記反射板との締結のための係止部を備える拡散板と、
前記基板に接触し、前記発光部から生成される熱を放出する放熱部と、
内部に前記発光部が配置され、底板及び前記底板の両側端から延びる側壁を有し、前記反射板との締結のための結合溝を前記側壁に備えるケースと、
前記ケースの側壁から延び、少なくとも一側にブラケット結合部を有する連結部材とを備え、
前記発光部は、前記ケースの底板より前記拡散板に近接するように配置されて離隔空間を形成し、
前記放熱部は、前記発光部から生成される熱を前記離隔空間に放出し、
前記連結部材はルーバー又は上板を備え、前記ブラケット結合部は前記ルーバー又は上板の端部分に配置され、
前記側面反射板は、前記拡散部との締結のための突出部及び前記ケースとの締結のための固定突起を含み、
前記拡散板の係止部は、前記側面反射板の突出部に締結され、
前記側面反射板の固定突起は、前記ケースの結合溝にスライディング方式で押し込んで締結される照明装置。 - 前記側面反射板は、前記底面反射板から傾斜を有して延びる請求項1に記載の照明装置。
- 前記放熱部は、放熱フィン又は放熱シートのうち少なくとも一つを備える請求項1に記載の照明装置。
- 前記ルーバー又は上板は、前記側壁よりも外側に更に傾いた傾斜を有する請求項1に記載の照明装置。
- 前記ケースの側壁は、第1側壁及び前記第1側壁と向かい合う第2側壁を有し、
前記連結部材は、前記第1側壁から延びる第1連結部及び前記第2側壁から延びる第2連結部を有し、
前記第1連結部又は前記第2連結部のうち少なくとも一つは前記ブラケット結合部を有する請求項1乃至4のいずれかに記載の照明装置。 - 前記拡散板は、前記発光部から放出された光の進行方向に凸の少なくとも一つ以上の放物面を備える請求項1乃至5のいずれかに記載の照明装置。
- 前記拡散板は、前記発光部から放出された光の入射面が平らであり、前記発光部から放出された光の出射面が凸である請求項1乃至6のいずれかに記載の照明装置。
- 前記側面反射板は、前記底面反射板に対して第1の傾斜を有して延び、
前記側面反射板から延びて、前記第1の傾斜と異なる第2の傾斜を有する補助反射板とを更に備える請求項1乃至7のいずれかに記載の照明装置。 - 前記反射板の突出部は、前記固定突起よりも前記発光部に更に近く配置されている請求項1乃至8のうちいずれかに記載の照明装置。
- 前記拡散板の係止部は、係止突起又は係止孔である請求項1乃至9のうちいずれかに記載の照明装置。
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EP2453165A1 (en) | 2012-05-16 |
CN105570693B (zh) | 2020-08-14 |
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US20120051050A1 (en) | 2012-03-01 |
US20160245467A1 (en) | 2016-08-25 |
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US10088115B2 (en) | 2018-10-02 |
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CN105570693A (zh) | 2016-05-11 |
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