JP2010056059A - Led電球及び照明器具 - Google Patents
Led電球及び照明器具 Download PDFInfo
- Publication number
- JP2010056059A JP2010056059A JP2008311077A JP2008311077A JP2010056059A JP 2010056059 A JP2010056059 A JP 2010056059A JP 2008311077 A JP2008311077 A JP 2008311077A JP 2008311077 A JP2008311077 A JP 2008311077A JP 2010056059 A JP2010056059 A JP 2010056059A
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- Prior art keywords
- led
- heat
- heat radiating
- globe
- led bulb
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- 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
- 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
- F21V3/02—Globes; Bowls; Cover glasses characterised by the shape
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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
- F21K9/20—Light sources comprising attachment means
- F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
- F21K9/232—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
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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
- 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
- F21V29/773—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 the planes containing the fins or blades having the direction of the light emitting axis
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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
-
- 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
- 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
- F21V23/001—Arrangement of electric circuit elements in or on lighting devices the elements being electrical wires or cables
- F21V23/002—Arrangements of cables or conductors inside a lighting device, e.g. means for guiding along parts of the housing or in a pivoting arm
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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]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
【解決手段】複数のLEDが面実装されたLEDモジュール11を放熱部12に取り付け、放熱部12の複数の放熱フィン18からLEDから発生する熱を放熱する。グローブ14は、LEDモジュール11を覆ってLEDからの放射光を外部に出射する。また、放熱部12のグローブ14の反対側の口金16の中空部23に、LEDを点灯する点灯回路17を内蔵する。これにより、LEDモジュール11のLEDから発生する熱のほとんどを放熱部12で放熱し、点灯回路の温度上昇を抑える。
【選択図】図1
Description
請求項3の発明に関わるLED電球は、請求項1の発明において、前記放熱フィンが放熱部の中心から外側に向かって放射状に延在するように形成されていて、前記放熱部の放熱フィンと隣接する部分の形状が放熱部の中心に向かうに従って口金側に突出する凸形状を有していることを特徴とする。
Claims (8)
- 複数のLEDが面実装されたLEDモジュールと;
前記LEDモジュールが取り付けられ複数の放熱フィンから前記LEDから発生する熱を放熱する放熱部と;
前記LEDモジュールを覆って前記LEDからの放射光を外部に出射するグローブと;
前記放熱部の前記グローブの反対側に設けられ内部に中空部を有する口金と;
この口金の中空部に内蔵され前記LEDを点灯する点灯回路と;
を備えていることを特徴とするLED電球。 - 前記LEDモジュールは、前記放熱部の前記グローブ側に前記放熱部の表面に接触して設けられ、前記放熱部には少なくとも前記LEDモジュールから前記点灯回路に接続される配線が通る程度の大きさの配線通孔部が形成されていることを特徴とする請求項1記載のLED電球。
- 前記放熱フィンが放熱部の中心から外側に向かって放射状に延在するように形成されていて、前記放熱部の放熱フィンと隣接する部分の形状が放熱部の中心に向かうに従って口金側に突出する凸形状を有していることを特徴とする請求項1記載のLED電球。
- 前記放熱部と口金との間には中空の絶縁部が配設されており、前記絶縁部の先端側部分には前記放熱フィンの端部が係止される溝部が形成されていることを特徴とする請求項3記載のLED電球。
- 前記絶縁部の先端側部分が前記放熱部の内部へ嵌入され、前記放熱部の中心軸側の放熱フィンの基端部が絶縁部の最大外径部分よりも前記中心軸側に存在していることを特徴とする請求項1記載のLED電球。
- 前記グローブから放熱部方向に出射される光を前記グローブ方向に反射する反射板を前記放熱部と前記グローブとの接合部に設けたことを特徴とする請求項1記載のLED電球。
- 前記放熱部と前記グローブとの接合部にくびれ部を設けたことを特徴とする請求項1記載のLED電球。
- 請求項1乃至7のいずれか一記載のLED電球と;
前記LED電球が装着されるソケットを有した照明器具本体と;
を備えたことを特徴とする照明器具。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008311077A JP5353216B2 (ja) | 2008-01-07 | 2008-12-05 | Led電球及び照明器具 |
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
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JP2008000268 | 2008-01-07 | ||
JP2008000268 | 2008-01-07 | ||
JP2008130747 | 2008-05-19 | ||
JP2008130747 | 2008-05-19 | ||
JP2008199049 | 2008-07-31 | ||
JP2008199049 | 2008-07-31 | ||
JP2008311077A JP5353216B2 (ja) | 2008-01-07 | 2008-12-05 | Led電球及び照明器具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010056059A true JP2010056059A (ja) | 2010-03-11 |
JP5353216B2 JP5353216B2 (ja) | 2013-11-27 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008311077A Expired - Fee Related JP5353216B2 (ja) | 2008-01-07 | 2008-12-05 | Led電球及び照明器具 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8450915B2 (ja) |
EP (1) | EP2228587B1 (ja) |
JP (1) | JP5353216B2 (ja) |
CN (1) | CN101910710B (ja) |
WO (1) | WO2009087897A1 (ja) |
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JP2011171277A (ja) * | 2010-01-19 | 2011-09-01 | Ichikoh Ind Ltd | 車両用灯具の半導体型光源の光源ユニット、車両用灯具 |
JP2011171276A (ja) * | 2010-01-19 | 2011-09-01 | Ichikoh Ind Ltd | 車両用灯具の半導体型光源の光源ユニット、車両用灯具 |
JP2011244141A (ja) * | 2010-05-17 | 2011-12-01 | Panasonic Electric Works Co Ltd | 可視光通信led照明システム |
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JP2012022897A (ja) * | 2010-07-14 | 2012-02-02 | Panasonic Corp | ランプ及び照明装置 |
JP2012099335A (ja) * | 2010-11-02 | 2012-05-24 | Rohm Co Ltd | Led電球 |
JP2012113937A (ja) * | 2010-11-24 | 2012-06-14 | Rohm Co Ltd | Led電球 |
JP2013074266A (ja) * | 2011-09-29 | 2013-04-22 | Hokumei Electric Industry Co Ltd | 光源ユニット |
JP2013524441A (ja) * | 2010-04-02 | 2013-06-17 | ジーイー ライティング ソリューションズ エルエルシー | 軽量ヒートシンク及びこれを使用するledランプ |
KR101295281B1 (ko) * | 2011-08-31 | 2013-08-08 | 엘지전자 주식회사 | 조명 장치 |
US8523395B2 (en) | 2010-07-22 | 2013-09-03 | Rohm Co., Ltd. | Light emitting diode lamp and method for manufacturing the same |
WO2013161164A1 (ja) | 2012-04-27 | 2013-10-31 | ソニー株式会社 | 電球型光源装置及び透光性カバー |
JP2013239465A (ja) * | 2010-11-30 | 2013-11-28 | Lg Innotek Co Ltd | 照明装置 |
US8610141B2 (en) | 2010-04-15 | 2013-12-17 | Liquid Design Systems, Inc. | Three-dimensional LED substrate and LED lighting device |
CN103649636A (zh) * | 2011-03-23 | 2014-03-19 | 长寿灯泡有限责任公司 | 用于基于led的灯泡或灯具装置的传热组件 |
KR101396591B1 (ko) | 2012-11-13 | 2014-05-20 | 에스엔제이 주식회사 | 전구형 led 램프 |
US8847491B2 (en) | 2012-01-06 | 2014-09-30 | Sony Corporation | Electric light bulb type light source apparatus |
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JP2015146325A (ja) * | 2015-03-27 | 2015-08-13 | 北明電気工業株式会社 | 光源ユニット、トンネル用照明装置、街灯用照明装置 |
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Also Published As
Publication number | Publication date |
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US20100289396A1 (en) | 2010-11-18 |
JP5353216B2 (ja) | 2013-11-27 |
EP2228587A4 (en) | 2012-10-03 |
EP2228587B1 (en) | 2014-11-12 |
CN101910710A (zh) | 2010-12-08 |
WO2009087897A1 (ja) | 2009-07-16 |
US8450915B2 (en) | 2013-05-28 |
CN101910710B (zh) | 2013-07-31 |
EP2228587A1 (en) | 2010-09-15 |
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