JP2010251009A - 発光装置および電球型ledランプ - Google Patents
発光装置および電球型ledランプ Download PDFInfo
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
- G02B19/0028—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed refractive and reflective surfaces, e.g. non-imaging catadioptric systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- 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
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- 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
- 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
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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
- F21V5/04—Refractors for light sources of lens shape
- F21V5/041—Ball lenses
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
- G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
- G02B19/0061—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a LED
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
- G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
- G02B19/0071—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source adapted to illuminate a complete hemisphere or a plane extending 360 degrees around the source
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/0236—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element
- G02B5/0242—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element by means of dispersed particles
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0273—Diffusing elements; Afocal elements characterized by the use
- G02B5/0278—Diffusing elements; Afocal elements characterized by the use used in transmission
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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
- F21V23/02—Arrangement of electric circuit elements in or on lighting devices the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier
- F21V23/023—Power supplies in a casing
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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
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
-
- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
- F21V29/89—Metals
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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
- F21Y2103/30—Elongate light sources, e.g. fluorescent tubes curved
- F21Y2103/33—Elongate light sources, e.g. fluorescent tubes curved annular
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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
- F21Y2113/10—Combination of light sources of different colours
- F21Y2113/13—Combination of light sources of different colours comprising an assembly of 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
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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Abstract
【解決手段】光散乱導光体グローブ10と、光散乱導光体グローブ10の一端に設置されるLED11と、を備える発光装置1において、光散乱導光体グローブ10を、光散乱粒子が含有された光散乱導光体からなる充実物体とし、かつLED11側に底面を有し、その底面から光の出射方向に向かう円錐形状の第1の空洞部としての第1の入射面20を備えるものとする。
【選択図】図1
Description
本発明の第1の実施の形態に係る電球型LEDランプ1の構成について説明する。なお、発光装置については、この電球型LEDランプ1の説明に併せて説明する。電球型LEDランプ1は、光散乱粒子を含有するグローブである光散乱導光体グローブ10、LED11、回路板12、放熱プレート13、電源部14、放熱カバー15、口金16から主に構成される。
本発明の第2の実施の形態に係る電球型LEDランプ1Aについて説明する。図7は、電球型LEDランプ1Aの構成図である。電球型LEDランプ1Aは、電球型LEDランプ1とは一部が異なる。以下では、第1の実施の形態と同一または同種の部材は同一または同一系の符号を用いて説明し、その説明を省略または簡略化し、かつ異なる部材について主として説明する。
本発明の第3の実施の形態に係る電球型LEDランプ1Bについて説明する。図12は、電球型LEDランプ1Bの構成図である。電球型LEDランプ1Bは、電球型LEDランプ1とは一部が異なる。以下では、第1の実施の形態と同一または同種の部材は同一または同一系の符号を用いて説明し、その説明を省略または簡略化し、かつ異なる部材について主として説明する。
本発明の第4の実施の形態に係る電球型LEDランプ1Cについて説明する。図18は、電球型LEDランプ1Cの構成図である。電球型LEDランプ1Cは、電球型LEDランプ1Aとは一部が異なる。以下では、第2の実施の形態と同一または同種の部材は同一または同一系の符号を用いて説明し、その説明を省略または簡略化し、かつ異なる部材について主として説明する。
本発明の実施の形態は、その要旨を逸脱しない限り、様々に変更が可能である。上述の実施の形態では、LED11を白色LEDとして説明した。しかし他の色のLEDとしてもよい。また、上述の実施の形態では1つのLED11を使用している。これに対し、LED11を複数備える構成もとり得る。この構成を図23を参照して説明する。図23では、回路板12、回路板12上に配置された3つのLED11W、11G、11O、調光制御部40を示す。LED11Wは、白色LEDである。LED11Gは、緑色LEDである。LED11Oは橙色LEDである。3つのLED11W、11G、11Oは、前述した実施の形態におけるLED11の設置位置(破線で図示)の近傍に設置されている。この際、LED11WとLED11Oは高輝度LEDを使用し、LED11Gは、他のLED11W、11Oと比較して輝度が小さいタイプでよい。
Claims (7)
- グローブと、
上記グローブの一端に設置されるLEDと、
を備える発光装置において、
上記グローブを、光散乱粒子が含有された光散乱導光体からなる充実物体とし、かつ上記LED側に底面を有し、その底面から光の出射方向に向かう円錐形状の第1の空洞部を備えるものとした、
ことを特徴とする発光装置。 - 請求項1記載の発光装置において、
前記第1の空洞部の周囲に、前記LED側からみて外周に向かうほど深くなる凹形状を有する第2の空洞部をさらに備える、
ことを特徴とする発光装置。 - 請求項1記載の発光装置において、
前記第1の空洞部における前記円錐形状の前記底面と前記LEDとの間に、前記底面よりも大きな円形状を有し、前記LED側からみて上記円形状の外周に向かうほど浅くなる凹形状を有する第3の空洞部をさらに備える、
ことを特徴とする発光装置。 - 請求項1から3のいずれか1項記載の発光装置において、
前記グローブは、少なくとも一部が球状に形成される、
ことを特徴とする発光装置。 - 請求項1から3のいずれか1項記載の発光装置において、
前記グローブは、少なくとも一部が円柱形状に形成され、前記LED側と逆側の上記円柱の端面が凸レンズ形状に形成される、
ことを特徴とする発光装置。 - 請求項1から5のいずれか1項記載の発光装置において、
それぞれ発光色の異なる複数の前記LEDと、
これら複数の前記LEDの発光強度を個別に調整する調光制御部と、
を備える、
ことを特徴とする発光装置。 - 請求項1から6のいずれか1項記載の発光装置を備えることを特徴とする電球型LEDランプ。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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JP2009097103A JP5363864B2 (ja) | 2009-04-13 | 2009-04-13 | 発光装置および電球型ledランプ |
US13/260,583 US8591060B2 (en) | 2009-04-13 | 2010-03-17 | Light emitting device and bulb-type LED lamp |
PCT/JP2010/001918 WO2010119618A1 (ja) | 2009-04-13 | 2010-03-17 | 発光装置および電球型ledランプ |
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JP2009097103A JP5363864B2 (ja) | 2009-04-13 | 2009-04-13 | 発光装置および電球型ledランプ |
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Publication Number | Publication Date |
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JP2010251009A true JP2010251009A (ja) | 2010-11-04 |
JP5363864B2 JP5363864B2 (ja) | 2013-12-11 |
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JP2009097103A Expired - Fee Related JP5363864B2 (ja) | 2009-04-13 | 2009-04-13 | 発光装置および電球型ledランプ |
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US (1) | US8591060B2 (ja) |
JP (1) | JP5363864B2 (ja) |
WO (1) | WO2010119618A1 (ja) |
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JP2009043628A (ja) * | 2007-08-09 | 2009-02-26 | Sharp Corp | 発光装置およびこれを備える照明装置 |
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JP2008091140A (ja) | 2006-09-29 | 2008-04-17 | Toshiba Lighting & Technology Corp | Led電球および照明器具 |
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JP2001250986A (ja) * | 2000-03-03 | 2001-09-14 | Rohm Co Ltd | ドットマトリクス表示装置 |
JP2002245819A (ja) * | 2001-02-13 | 2002-08-30 | Fureddo:Kk | 電 球 |
JP2008166250A (ja) * | 2006-12-29 | 2008-07-17 | Lg Display Co Ltd | 光源キューブ及びこれを利用した平面光源ユニット及び液晶表示装置 |
JP2009043628A (ja) * | 2007-08-09 | 2009-02-26 | Sharp Corp | 発光装置およびこれを備える照明装置 |
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JP2017139225A (ja) * | 2011-01-11 | 2017-08-10 | 株式会社nittoh | 導光体および発光装置 |
JP2012160438A (ja) * | 2011-01-11 | 2012-08-23 | Nittoh Kogaku Kk | 導光体および発光装置 |
WO2012124637A1 (ja) * | 2011-03-11 | 2012-09-20 | 株式会社 東芝 | 照明装置 |
JP5059988B1 (ja) * | 2011-06-24 | 2012-10-31 | パナソニック株式会社 | 照明用光源 |
WO2012176354A1 (ja) * | 2011-06-24 | 2012-12-27 | パナソニック株式会社 | 照明用光源 |
JP2013084346A (ja) * | 2011-10-06 | 2013-05-09 | Hitachi Appliances Inc | 照明装置 |
JP2014531114A (ja) * | 2011-10-19 | 2014-11-20 | コーニンクレッカ フィリップス エヌ ヴェ | 全指向性配光を有する照明デバイス |
CN105473935A (zh) * | 2013-07-22 | 2016-04-06 | 雷诺股份公司 | 包括集成led的尤其用于机动车辆照明构件的照明系统 |
JP2016527687A (ja) * | 2013-07-22 | 2016-09-08 | ルノー エス.ア.エス. | 特に自動車の照明部材のための、一体式ledを備えた照明システム |
CN105473935B (zh) * | 2013-07-22 | 2020-04-17 | 雷诺股份公司 | 照明系统、机动车辆照明构件及机动车辆 |
KR101720210B1 (ko) | 2015-01-08 | 2017-04-05 | 조선대학교산학협력단 | Cob 타입 무지향성 조명램프 |
KR20160086004A (ko) * | 2015-01-08 | 2016-07-19 | 조선대학교산학협력단 | Cob 타입 무지향성 조명램프 |
JP2019514181A (ja) * | 2016-04-22 | 2019-05-30 | シグニファイ ホールディング ビー ヴィ | 照明デバイス、及び前記照明デバイスを有する照明器具 |
US10436393B2 (en) | 2016-04-22 | 2019-10-08 | Signify Holding B.V. | Lighting device and luminaire comprising the same |
Also Published As
Publication number | Publication date |
---|---|
WO2010119618A1 (ja) | 2010-10-21 |
JP5363864B2 (ja) | 2013-12-11 |
US8591060B2 (en) | 2013-11-26 |
US20120020082A1 (en) | 2012-01-26 |
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