JP2005166578A - 電球形ｌｅｄランプ - Google Patents

電球形ｌｅｄランプ Download PDF

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Publication number
JP2005166578A
JP2005166578A JP2003407018A JP2003407018A JP2005166578A JP 2005166578 A JP2005166578 A JP 2005166578A JP 2003407018 A JP2003407018 A JP 2003407018A JP 2003407018 A JP2003407018 A JP 2003407018A JP 2005166578 A JP2005166578 A JP 2005166578A
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Prior art keywords
bulb
led lamp
led
source
lamp
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JP2003407018A
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English (en)
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Riichi Saito
理一 斎藤
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Hamai Electric Lamp Co Ltd
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Hamai Electric Lamp Co Ltd
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Priority to JP2003407018A priority Critical patent/JP2005166578A/ja
Publication of JP2005166578A publication Critical patent/JP2005166578A/ja
Pending legal-status Critical Current

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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
    • F21V29/76—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
    • F21V29/767—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 directions perpendicular to the light emitting axis
    • 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
    • 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
    • F21K9/233—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 a spot light distribution, e.g. for substitution of reflector lamps
    • 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
    • F21K9/238—Arrangement or mounting of circuit elements integrated in the light source
    • 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
    • F21V23/004—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 arranged on a substrate, e.g. a printed circuit board
    • F21V23/006—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 arranged on a substrate, e.g. a printed circuit board the substrate being distinct from the light source holder
    • 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
    • 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
    • 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]

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

【課題】 ハイパワーＬＥＤソースと放熱翼と定電流電源を組合せて一般照明用光源として使用できる電球形ＬＥＤランプを提供する。
【解決手段】 放熱翼を多段に設けた放熱体に超高輝度ＬＥＤソースを装着し、商用１００Ｖ電源からの電圧変換とＬＥＤ点灯用の定電流回路を一体とし、従来の電球ソケットにそのまま使用できる口金を付けた電球形ＬＥＤランプ。
【選択図】 図１

Description

高出力のＬＥＤランプであって、効率のよい放熱体と商用電源からの電圧交換と定電流回路を一体として設けた電球形のＬＥＤランプに関する。
従来のタングステンフィラメント電球に変わり、普及しつつある照明用光源に電球形の蛍光ランプがある。これらは従来のランプソケットに収まる互換性とランプ内にインバーター回路を内蔵し、小型化高効率と長寿命を特徴としている。
タングステンランプとの比較では電気代で５分の１、寿命で６倍、発熱度で約５分の１であった。
本発明の電球形ＬＥＤランプは次世代の照明用光源としてハイパワーＬＥＤソースと定電流電源、放熱翼を組合せて従来のランプ形状とした事を目的としたものである。
実用新案登録第３０９７３３３号公報
これまでのランプ形状ＬＥＤランプは、砲弾形ＬＥＤを集合したものであったり、明るさが不足するため非常灯や装飾用の補助照明としての使用に限られていた。
発明者は、かかる点に鑑み鋭意研究を重ねた結果、本発明に到達したものであって、本発明は電球形のバルブ内に単体のハイパワーＬＥＤソースと放熱効率のよい放熱翼を設けた放熱体と定電流電源を組合せて設けることによって一般照明用の光源として使用できる電球形ＬＥＤとしたものである。
そして本発明は、ネジ付きの口金を装着することによって、従来の電球ソケットにそのまま使用することが可能であり、電球形バルブを透明にして内部に反射鏡を設ければ、スポット照明のＬＥＤ光源ランプとなり、またバルブをガラスに替えて合成樹脂とすれば割れにくいランプとすることもできる。
本発明の電球形ＬＥＤランプは、電球形蛍光灯ランプに較べて、さらに長寿命、低消費電力であって、蛍光管のように水銀を使用していないので、環境対策を含めた次世代の照明用光源となり得る。
本発明は、高出力のＬＥＤランプであって、放熱効率のよい放熱体と１００Ｖの商用電源を使用することができるため、一般照明用の電球に置き換えて使用され、後部にネジ付きの口金を取付けることによって交換を容易にした。
添付図面について本発明を説明すると、図１は本発明の電球形ＬＥＤランプの全体を示す正面図であって、（１）はフロスト加工されているガラスバルブであり、（２）は放熱翼を多段に設けた放熱体であって、高出力のＬＥＤランプであっても、本発明の電球形ＬＥＤランプは、この能率のよい放熱体（１）を設けることにより、さ程高温になることはなく、取扱いや機器への影響はない。また（３）は口金を示していて、本発明の特徴の一つにあげられるもので、ネジを形成した口金で、そのまま一般電球のソケットに取付けることが可能なため、一般の白熱電球や電球形の蛍光ランプ等と自由に交換ができる。
図２は、この図１に示す本発明の電球形ＬＥＤランプの断面図を示すもので、図中のＡはハイパワーのＬＥＤソースを示し、Ｂは定電流電源回路部分であって、この回路によって商用１００Ｖの電源が使用できる。
図３は別の実施例を示す正面図、図４は同断面図であり、図示されているＬＥＤランプは、図示のようにＬＥＤソースＡの先方に椀形の反射鏡（５）を設けるもので、ＬＥＤソースＡからの発光を集中して前方に向けられるため、スポットランプとして、このままでも使用できるが、図示のランプは、取扱い時の保護とＬＥＤや反射鏡の汚れを防ぐために、反射鏡（５）の周囲にカバーを設けるものである。
このカバー（６）はプラスチック製の円筒体で、その先方にはガラス板（７）が装着されているため、インテリア照明やデザイン照明用として適している。
上述のように本発明の電球形ＬＥＤランプは、１００Ｖの商用電源が使用できるため一般照明用として広く利用できるばかりでなく、白色の他各色のカラーＬＥＤランプも使用できるため、インテリア照明、施設照明としても応用可能である。
電球形ＬＥＤランプの全体を示す正面図 電球形ＬＥＤランプの構造を示す断面図 別の実施例を示す正面図 別の実施例を示す断面図
符号の説明
１ バルブ
２ 放熱体
３ 口金
６ プラスチック製カバー
７ ガラス板
Ａ ＬＥＤソース
Ｂ 定電流電源回路

Claims (2)

  1. 放熱翼を多段に設けた放熱体に超高輝度ＬＥＤソースを装着し、商用電源から電圧変換とＬＥＤ点灯用の定電流回路を一体とし、電球ソケットにそのまま使用できる口金を装着したことを特徴とした電球形ＬＥＤランプ。
  2. 超高輝度ＬＥＤソースの先方に椀形の反射鏡を取付け、該反射鏡の周囲にカバーを設けることを特徴とした請求項１に記載の電球形ＬＥＤランプ。
JP2003407018A 2003-12-05 2003-12-05 電球形ｌｅｄランプ Pending JP2005166578A (ja)

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GB2421565A (en) * 2004-11-12 2006-06-28 Patrick Evans Improved Coloured Lights
JP2006313718A (ja) * 2005-04-08 2006-11-16 Toshiba Lighting & Technology Corp 電球型ランプ
SG132609A1 (en) * 2005-11-08 2007-06-28 United Technologies Corp Led replacement bulb
JP2008186758A (ja) * 2007-01-31 2008-08-14 Royal Lighting Co Ltd 電球形照明用ｌｅｄランプ
JP2008204671A (ja) * 2007-02-17 2008-09-04 Nichia Chem Ind Ltd 照明装置
WO2008138177A1 (en) * 2007-05-16 2008-11-20 Jie Shi An led lighting fixture with high-efficiency radiation effect
JP2009043694A (ja) * 2007-08-06 2009-02-26 Royal Lighting Co Ltd 調光タイプ電球形照明用ｌｅｄランプ
WO2009054649A3 (en) * 2007-10-26 2009-06-11 Fawoo Technology Co Ltd Led lighting lamp
WO2009069894A3 (en) * 2007-11-27 2009-08-06 Gwang Sung Lighting Industry C Bulbtype lamp with light emitting diodes using alternating current
KR100927217B1 (ko) * 2007-09-14 2009-11-16 목산전자주식회사 방열기능을 개선한 고출력 엘이디 전구
WO2009157703A2 (ko) * 2008-06-25 2009-12-30 주식회사 에이엠오 엘이디 조명기구 및 그 제조방법
WO2010004702A1 (ja) * 2008-07-07 2010-01-14 パナソニック株式会社 電球形照明用光源
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WO2010020116A1 (zh) * 2008-08-19 2010-02-25 鑫谷光电股份有限公司 大功率led烛型灯
WO2010038982A2 (ko) * 2008-10-01 2010-04-08 주식회사 아모럭스 방열장치 및 이를 이용한 전구형 ｌｅｄ 조명장치
EP2177812A1 (en) * 2008-08-19 2010-04-21 Golden Valley Optoelectronic Co., Ltd. High power led lamp
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US8061412B2 (en) 2005-03-18 2011-11-22 Mitsubishi Electric Corporation Cooling structure, heatsink and cooling method of heat generator
JP4725231B2 (ja) * 2005-04-08 2011-07-13 東芝ライテック株式会社 電球型ランプ
US9249967B2 (en) 2005-04-08 2016-02-02 Toshiba Lighting & Technology Corporation Lamp having outer shell to radiate heat of light source
US9080759B2 (en) 2005-04-08 2015-07-14 Toshiba Lighting & Technology Corporation Lamp having outer shell to radiate heat of light source
US8992041B2 (en) 2005-04-08 2015-03-31 Toshiba Lighting & Technology Corporation Lamp having outer shell to radiate heat of light source
JP2006313718A (ja) * 2005-04-08 2006-11-16 Toshiba Lighting & Technology Corp 電球型ランプ
US9103541B2 (en) 2005-04-08 2015-08-11 Toshiba Lighting & Technology Corporation Lamp having outer shell to radiate heat of light source
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