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JP2008186758A - 電球形照明用ｌｅｄランプ - Google Patents

電球形照明用ｌｅｄランプ Download PDF

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Publication number
JP2008186758A
JP2008186758A JP2007020926A JP2007020926A JP2008186758A JP 2008186758 A JP2008186758 A JP 2008186758A JP 2007020926 A JP2007020926 A JP 2007020926A JP 2007020926 A JP2007020926 A JP 2007020926A JP 2008186758 A JP2008186758 A JP 2008186758A
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Prior art keywords
bulb
led lamp
led
light
chip
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JP2007020926A
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Inventor
Riichi Saito
理一 齋藤
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Royal Lighting Co Ltd
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Royal Lighting Co Ltd
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Priority to JP2007020926A priority Critical patent/JP2008186758A/ja
Publication of JP2008186758A publication Critical patent/JP2008186758A/ja
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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
    • 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
    • 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)
  • Geometry (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Led Device Packages (AREA)

Abstract

【課題】
マルチチップＬＥＤモジュールと放熱体を兼ねた筐体と定電流電源を組合せ、電球用口金を設けた電球形照明用ＬＥＤランプを提供する。
【解決手段】
放熱翼を多段に設けた筐体と光の拡散用レンズによって電球形に形成し、定電流電源回路を内蔵した構成として、口金を設けることによって従来の電球ソケットにそのまま使用できるマルチチップＬＥＤ照明用ランプとする。
【選択図】 図１

Description

本発明は、マルチチップＬＥＤを光源とした電球形の照明用ＬＥＤランプに関する。
高出力のＬＥＤは発光効率の改善が進み、年々明るさが増加し、照明用ＬＥＤランプへの応用も進みつつある。この高出力ＬＥＤを集合したり、ランプ形状にしたものが作られているが、配光や光量の問題から照明用として白熱電球の置換えになるものは少ない。また集合したＬＥＤの放熱が大きな課題となっている。
特開２００５−１６６５７８号公報
ＬＥＤランプの配光や光量の問題、さらには放熱の課題を解決する方法としては、放熱効率のよいヒートシンクと広角な配光を得るための工夫が必要とされている。
発明者は、白熱電球に近いＬＥＤランプを実現するために鋭意研究の結果、発明者は先に特開２００５−１６６５７８号を開発した。この発明はラージチップを採用した大電流ＬＥＤを用いたもので、それ相当の利用価値はあるが、光度の点で実用性に欠けている。
本発明は３６個のチップＬＥＤを用い、いかに発熱を効率よく逃すため、白熱電球の形状に似せたヒートシンク兼用の筐体を取付けること、及び光源の前方には配光を制御するレンズを設けることで、２０Ｗの白熱電球に相当する光度を得ることができて、種々の用途に応じた照明光を得ることが可能となった。
本発明の電球形照明用ＬＥＤランプは、口金をＥ２６とＥ１７の口径を採用することによって、これまでの白熱電球用の器具に簡単に取付けることができ、また白熱電球と同等の光量でありながら約４０倍（４万時間）の寿命が期待され、電球も含めた消費電力が約５Ｗと１／４の省エネＬＥＤランプとなり、その利用効果は大きい。
本発明のマルチチップＬＥＤモジュールはスモールチップＬＥＤを多数集合したものであって、ラージチップＬＥＤを採用した大電流ＬＥＤより光の取出し効率に優位性があり、放熱筐体との取付け部の熱抵抗を低くでき、これまでのＬＥＤ光源より筐体への取付けが大幅に簡素化できる。
添付図面により本発明を説明すると、図１は本発明の電球形照明用ＬＥＤランプの形状を示す一実施例図で、前方に光を横方向に拡散させる樹脂製の半球状のレンズ（１）を設け、（２）は放熱フィン（３）を兼ねた筐体であって、電球形状の丸形に成形され、全体はアルミ製の筐体であり、多数の放熱用の翼状の凹凸が形成されている。そして、後方には従来の電球形状の口金（６）が装着されていて、普通電球のように照明器具に装着して使用できる。
図２は図１と同様な構造を示していて、実施例図で図１との違いは前方のレンズ（１）を平板の透明樹脂板を用いている点で、このため光は前方向に投光される。
図３は全体の断面図であって、図１および図２の実施例共レンズ（１）の違いはあるが、内部構造は同じである。図において、（４）は本発明ランプの光源となるマルチチップＬＥＤモジュールであり、定電流電源回路（５）が内蔵されている。（６）は電球形状の口金で、Ｅ２６，Ｅ１７口径の２種が使用できる。
図４は本発明のマルチチップＬＥＤモジュール（４）の正面図であって、基板（６）上にチップＬＥＤ（７）が植設されている。図においてはチップＬＥＤ（７）は３直列×１２並列で合計３６個配列されているが、このチップＬＥＤ（７）の数はこれに限ることなく２１個，２７個なども可能である。図５はチップＬＥＤモジュールの内部回路を示して
いる。
本発明に使用したＬＥＤモジュールは、高出力チップ３６個を集合したマルチチップＬＥＤモジュールであって、９０Ｌｍ／Ｗを実現したものである。また白熱電球の置き換えを考えた場合、用途によって演色性がＬＥＤランプにも要求されるが、ＬＥＤモジュールの蛍光体の種類を選択することで用途に応じて白色、高演色性白色、電球色等の照明光の
選択が可能となる。
上述のように本発明のマルチチップＬＥＤを光源とした電球形照明用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使用できるばかりでなく、白色の他各色のカラーＬＥＤランプとしても使用できるため家庭用としては勿論のことインテリア照明、施設照明としても広く利用可能である。
本発明の電球形ＬＥＤランプの外観図 別の実施例による電球形ＬＥＤランプの外観図 図１Ａ−Ａ断面図 ＬＥＤ光源モジュールの平面図 ＬＥＤ光源モジュールの回路図
符号の説明
１ レンズ
２ 放熱部を兼ねた筐体
３ 放熱フィン
４ チップＬＥＤモジュール
５ 定電流電源回路
６ 基板
７ ＬＥＤチップ
８ 口金

Claims (2)

  1. マルチチップＬＥＤモジュールを光源とし、放熱フィンを兼ねた筐体に、定電流電源を内蔵し、電球形状にした口金付きのＬＥＤランプであって、前部に配光を制御するレンズを設けたことを特徴とした電球形照明用ＬＥＤランプ。
  2. ２０Ｗ白熱電球と同等な明るさでありながら約４０倍の寿命が期待でき、かつ消費電力が１／４になった請求項１に記載の電球形照明用ＬＥＤランプ。
JP2007020926A 2007-01-31 2007-01-31 電球形照明用ｌｅｄランプ Pending JP2008186758A (ja)

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Cited By (35)

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WO2010141537A3 (en) * 2009-06-02 2011-02-03 Altair Engineering, Inc. Screw-in led bulb
KR101042947B1 (ko) * 2009-02-27 2011-06-20 주식회사 대진디엠피 엘이디 센서등
WO2011050267A3 (en) * 2009-10-22 2011-09-22 Waqidi Falicoff Solid-state light bulb
CN102341649A (zh) * 2009-03-05 2012-02-01 欧司朗股份有限公司 带有至少一个散热器的照明装置
KR20120052963A (ko) 2009-07-06 2012-05-24 스미토모 게이 긴조쿠 고교 가부시키가이샤 Ｌｅｄ 전구용 방열 부재
US8330381B2 (en) 2009-05-14 2012-12-11 Ilumisys, Inc. Electronic circuit for DC conversion of fluorescent lighting ballast
CN103032721A (zh) * 2011-10-05 2013-04-10 秦彪 Led光引擎及led照明灯
US8454193B2 (en) 2010-07-08 2013-06-04 Ilumisys, Inc. Independent modules for LED fluorescent light tube replacement
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US8540401B2 (en) 2010-03-26 2013-09-24 Ilumisys, Inc. LED bulb with internal heat dissipating structures
US8541958B2 (en) 2010-03-26 2013-09-24 Ilumisys, Inc. LED light with thermoelectric generator
US8596813B2 (en) 2010-07-12 2013-12-03 Ilumisys, Inc. Circuit board mount for LED light tube
US8618723B2 (en) 2011-09-09 2013-12-31 Toshiba Lighting & Technology Corporation Luminaire
US8664880B2 (en) 2009-01-21 2014-03-04 Ilumisys, Inc. Ballast/line detection circuit for fluorescent replacement lamps
US8807785B2 (en) 2008-05-23 2014-08-19 Ilumisys, Inc. Electric shock resistant L.E.D. based light
US8870415B2 (en) 2010-12-09 2014-10-28 Ilumisys, Inc. LED fluorescent tube replacement light with reduced shock hazard
US8901823B2 (en) 2008-10-24 2014-12-02 Ilumisys, Inc. Light and light sensor
CN104197220A (zh) * 2014-09-05 2014-12-10 东莞市闻誉实业有限公司 一体式的led灯具
US8928025B2 (en) 2007-12-20 2015-01-06 Ilumisys, Inc. LED lighting apparatus with swivel connection
US8946996B2 (en) 2008-10-24 2015-02-03 Ilumisys, Inc. Light and light sensor
US9057493B2 (en) 2010-03-26 2015-06-16 Ilumisys, Inc. LED light tube with dual sided light distribution
US9072171B2 (en) 2011-08-24 2015-06-30 Ilumisys, Inc. Circuit board mount for LED light
US9080755B2 (en) 2009-10-09 2015-07-14 Aps Japan Co., Ltd. Lighting device
US9101026B2 (en) 2008-10-24 2015-08-04 Ilumisys, Inc. Integration of LED lighting with building controls
US9163794B2 (en) 2012-07-06 2015-10-20 Ilumisys, Inc. Power supply assembly for LED-based light tube
US9184518B2 (en) 2012-03-02 2015-11-10 Ilumisys, Inc. Electrical connector header for an LED-based light
US9271367B2 (en) 2012-07-09 2016-02-23 Ilumisys, Inc. System and method for controlling operation of an LED-based light
US9267650B2 (en) 2013-10-09 2016-02-23 Ilumisys, Inc. Lens for an LED-based light
US9285084B2 (en) 2013-03-14 2016-03-15 Ilumisys, Inc. Diffusers for LED-based lights
US9353939B2 (en) 2008-10-24 2016-05-31 iLumisys, Inc Lighting including integral communication apparatus
US9510400B2 (en) 2014-05-13 2016-11-29 Ilumisys, Inc. User input systems for an LED-based light
US9574717B2 (en) 2014-01-22 2017-02-21 Ilumisys, Inc. LED-based light with addressed LEDs
US10161568B2 (en) 2015-06-01 2018-12-25 Ilumisys, Inc. LED-based light with canted outer walls
US10176689B2 (en) 2008-10-24 2019-01-08 Ilumisys, Inc. Integration of led lighting control with emergency notification systems
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US8807785B2 (en) 2008-05-23 2014-08-19 Ilumisys, Inc. Electric shock resistant L.E.D. based light
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US10036549B2 (en) 2008-10-24 2018-07-31 Ilumisys, Inc. Lighting including integral communication apparatus
US10932339B2 (en) 2008-10-24 2021-02-23 Ilumisys, Inc. Light and light sensor
US10713915B2 (en) 2008-10-24 2020-07-14 Ilumisys, Inc. Integration of LED lighting control with emergency notification systems
US10571115B2 (en) 2008-10-24 2020-02-25 Ilumisys, Inc. Lighting including integral communication apparatus
US10560992B2 (en) 2008-10-24 2020-02-11 Ilumisys, Inc. Light and light sensor
US10342086B2 (en) 2008-10-24 2019-07-02 Ilumisys, Inc. Integration of LED lighting with building controls
US10182480B2 (en) 2008-10-24 2019-01-15 Ilumisys, Inc. Light and light sensor
US8901823B2 (en) 2008-10-24 2014-12-02 Ilumisys, Inc. Light and light sensor
US10973094B2 (en) 2008-10-24 2021-04-06 Ilumisys, Inc. Integration of LED lighting with building controls
US9635727B2 (en) 2008-10-24 2017-04-25 Ilumisys, Inc. Light and light sensor
US9585216B2 (en) 2008-10-24 2017-02-28 Ilumisys, Inc. Integration of LED lighting with building controls
US9398661B2 (en) 2008-10-24 2016-07-19 Ilumisys, Inc. Light and light sensor
US9353939B2 (en) 2008-10-24 2016-05-31 iLumisys, Inc Lighting including integral communication apparatus
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US9101026B2 (en) 2008-10-24 2015-08-04 Ilumisys, Inc. Integration of LED lighting with building controls
US8946996B2 (en) 2008-10-24 2015-02-03 Ilumisys, Inc. Light and light sensor
US11333308B2 (en) 2008-10-24 2022-05-17 Ilumisys, Inc. Light and light sensor
US8664880B2 (en) 2009-01-21 2014-03-04 Ilumisys, Inc. Ballast/line detection circuit for fluorescent replacement lamps
KR101042947B1 (ko) * 2009-02-27 2011-06-20 주식회사 대진디엠피 엘이디 센서등
CN102341649A (zh) * 2009-03-05 2012-02-01 欧司朗股份有限公司 带有至少一个散热器的照明装置
US9677753B2 (en) 2009-03-05 2017-06-13 Osram Gmbh Lighting device having at least one heat sink
US8330381B2 (en) 2009-05-14 2012-12-11 Ilumisys, Inc. Electronic circuit for DC conversion of fluorescent lighting ballast
US8299695B2 (en) 2009-06-02 2012-10-30 Ilumisys, Inc. Screw-in LED bulb comprising a base having outwardly projecting nodes
WO2010141537A3 (en) * 2009-06-02 2011-02-03 Altair Engineering, Inc. Screw-in led bulb
KR20120052963A (ko) 2009-07-06 2012-05-24 스미토모 게이 긴조쿠 고교 가부시키가이샤 Ｌｅｄ 전구용 방열 부재
US9080755B2 (en) 2009-10-09 2015-07-14 Aps Japan Co., Ltd. Lighting device
US9328894B2 (en) 2009-10-22 2016-05-03 Light Prescriptions Innovators, Llc Remote phosphor light engines and lamps
WO2011050267A3 (en) * 2009-10-22 2011-09-22 Waqidi Falicoff Solid-state light bulb
US8322896B2 (en) 2009-10-22 2012-12-04 Light Prescriptions Innovators, Llc Solid-state light bulb
US8541958B2 (en) 2010-03-26 2013-09-24 Ilumisys, Inc. LED light with thermoelectric generator
US8540401B2 (en) 2010-03-26 2013-09-24 Ilumisys, Inc. LED bulb with internal heat dissipating structures
US9013119B2 (en) 2010-03-26 2015-04-21 Ilumisys, Inc. LED light with thermoelectric generator
US9057493B2 (en) 2010-03-26 2015-06-16 Ilumisys, Inc. LED light tube with dual sided light distribution
US8840282B2 (en) 2010-03-26 2014-09-23 Ilumisys, Inc. LED bulb with internal heat dissipating structures
US9395075B2 (en) 2010-03-26 2016-07-19 Ilumisys, Inc. LED bulb for incandescent bulb replacement with internal heat dissipating structures
US8454193B2 (en) 2010-07-08 2013-06-04 Ilumisys, Inc. Independent modules for LED fluorescent light tube replacement
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