JP2010539689A - 白色光のエネルギー効率のよい再現のためのledモジュール、led照明具およびledランプ - Google Patents
白色光のエネルギー効率のよい再現のためのledモジュール、led照明具およびledランプ Download PDFInfo
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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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- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
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- F21—LIGHTING
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- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/30—Elements containing photoluminescent material distinct from or spaced from the light source
- F21V9/32—Elements containing photoluminescent material distinct from or spaced from the light source characterised by the arrangement of the photoluminescent material
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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Abstract
Description
CIE1931:
CIE標準表色系又はCIE標準色系は、国際照明委員会(CIE−Commission internationale de l'eclairage)の定義で、人間の色認識器官による色を表している。この図によって色度を2つの座標で示すことができる。図05はCIE1931図である。横座標はCIE1931図のx値で、縦座標はCIE1931図のy値である。
次の色温度の標準色を、x、y座標で次のように表すことができる。
これらは、特定波長の放射線を吸収し、別波長の放射線を発(放射)する一般的な発光物質のことである。放射された放射線は、通常、長波長である。それにより紫外域でも可視域でも、蛍光体の励起が発生する。入手可能な蛍光体は、通常幅広い波長域で励起され、それらは励起スペクトルと言われる。また、一つの波長ばかりでなく、特定の波長域でも放射は生じる。このように蛍光体を特徴付けるには、ピーク波長、主波長、半値幅(最大強度の50%の範囲(nm))、CIE(1931)色空間の色度など、必ず複数のパラメータが挙げられる。放射波長は発光色を特定する。量子収率は、吸収された放射線のどの部分が再放射されるのかを明らかにする。
効率:
吸収と放射という前記プロセスのほかに、蛍光体の利用では常に光の散乱と反射も生じる。いずれのプロセスも光の収量を減少させる。
グループB:
グループBは、380〜480nmの波長域の1主波長を有する発光ダイオード又は発光ダイオード群である。同様にグループBは、380〜480nmの波長域の各種主波長を有する発光ダイオード群によっても構成されうる。
グループG:
グループGは、500〜560nmの波長域の1主波長を有する発光ダイオード又は発光ダイオード群である。同様にグループGは、500〜560nmの波長域の各種主波長を有する発光ダイオード群によっても構成されうる。
グループR:
グループRは、600〜640nmの波長域の1主波長を有する発光ダイオード又は発光ダイオード群である。同様にグループRは、600〜640nmの波長域の各種主波長を有する発光ダイオード群によっても構成されうる。
グループP:
グループPは、グループBの発光ダイオードが蛍光体を励起する発光ダイオード又は発光ダイオード群である。蛍光体/混色蛍光体の濃度は、発光効率(lm/W)が最大又は最大付近となるように選択される。
発明:
本発明による解決策では、最大効率(lm/W)範囲内で達成される蛍光体(グループP)の効率を利用し、そこから白色光を再現している。
・最適なエネルギー収支−効率のLEDモジュール
・Ra8が85以上(代表的なのが90〜95)のLEDモジュール
・COB技術又はSMD技術で構成されたLEDモジュール
・一つの蛍光体素子に配した各種グループのLED
・標準ソケット(E27など)付きLED照明具向けの本発明によるLEDモジュール
・リフレクタ付きの本発明によるLEDモジュールを有するランプ
・レンズ付きの本発明によるLEDモジュールを有するランプ
・制御/調整可能な色温度のLEDモジュール
本発明によるLEDモジュールは、高品質(Ra8>85)の高効率白色光を生成する。したがってこのLEDモジュールは、一般照明、店舗照明、オフィス照明、博物館照明、医療技術、工業用照明などに利用するのが特に望ましい。
Claims (9)
- グループB及び/又はグループG及び/又はグループRのうちの少なくとも1個又は複数個のLEDと、グループPの少なくとも1個又は複数個のLEDから選択的に構成されるLEDモジュールであって、前記LEDの放射が付加的に混色され、CIE x座標による発光効率(lm/W)を最大又は最大より20%以下とならないようにグループPの前記LEDの蛍光体/混色蛍光体の濃度を選択し、白色光を生成するためにグループPとグループRの前記LEDから2500Kと8000Kとの間で固定色温度が生成され、その色度がプランク曲線上又はプランク曲線付近にあり、Ra8の色再現性が少なくとも85以上であることを特徴とするLEDモジュール。
- 冷白色光を生成するためにグループPとグループBの前記LEDから、5000Kと8000Kとの間で固定色温度を生成し、その色度がプランク曲線上又はプランク曲線付近にあり、グループBの該LEDが380〜450nmの波長域内に主波長を有することを特徴とする、請求項1に記載のLEDモジュール。
- 白色光を生成するためにグループPとグループGの前記LEDから、2500Kと8000Kとの間で固定色温度を生成し、その色度がプランク曲線上又はプランク曲線付近にあり、グループPの蛍光体が590〜640nmの波長域内にピーク波長を有することを特徴とする、請求項1に記載のLEDモジュール。
- 白色光を生成するためにグループP及び/又はグループR及び/又はグループBの前記LEDから、2500Kと8000Kとの間で色温度がステップレスに制御又は調整され、その色度がプランク曲線上又はプランク曲線付近にあり、Ra8の色再現性が少なくとも85以上であることを特徴とする、請求項1又は2に記載のLEDモジュール。
- 白色光を生成するためにグループPおよびグループGおよびグループBの前記LEDから、2500Kと8000Kとの間で色温度がステップレスに制御又は調整され、その色度がプランク曲線上又はプランク曲線付近にあり、グループPの蛍光体が590〜640nmの波長域内にピーク波長を有することを特徴とする、請求項1及び3のいずれか一つに記載のLEDモジュール。
- グループBの前記LEDとグループRの前記LEDが、共通の色変換層に配置されていることを特徴とする、請求項1から5までのうちのいずれか一項に記載のLEDモジュール。
- 前記LEDモジュールが標準照明具に組み込まれることを特徴とする、請求項1から8までのうちのいずれか一項に記載のLEDモジュール。
- 8〜10Wの消費電力で、少なくとも500ルーメンの光効率を達成し、同時にRa8値が85を超えることを特徴とする、請求項1から7までのうちのいずれか一項に記載のLEDモジュール。
- グループPの色度から始めて所望の混色度がグループPとグループBの両点との間の直線上に生成されるまでグループBの強度が増加され、目標色度(例:4200K)がプランク曲線上で得られるまでグループRの強度が増加されるように、色温度の調節、例えば4200Kへの調節が行われることを特徴とするLEDモジュールの製造方法。
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DE102007043355.9 | 2007-09-12 | ||
DE102007043355A DE102007043355A1 (de) | 2007-09-12 | 2007-09-12 | LED-Modul, LED-Leuchtmittel und LED Leuchte für die energie-effiziente Wiedergabe von weißem Licht |
PCT/EP2008/007397 WO2009033642A1 (de) | 2007-09-12 | 2008-09-10 | Led-modul, led-leuchtmittel und led leuchte für die energieeffiziente wiedergabe von weissem licht |
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JP2015104412A Division JP2015156520A (ja) | 2007-09-12 | 2015-05-22 | 白色光のエネルギー効率のよい再現のためのledモジュール、led照明具およびledランプ |
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JP2010539689A true JP2010539689A (ja) | 2010-12-16 |
JP6037541B2 JP6037541B2 (ja) | 2016-12-07 |
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JP2010524389A Active JP6037541B2 (ja) | 2007-09-12 | 2008-09-10 | 白色光のエネルギー効率のよい再現のためのledモジュール、led照明具およびledランプ |
JP2015104412A Pending JP2015156520A (ja) | 2007-09-12 | 2015-05-22 | 白色光のエネルギー効率のよい再現のためのledモジュール、led照明具およびledランプ |
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US (2) | US9206947B2 (ja) |
EP (1) | EP2188851B1 (ja) |
JP (2) | JP6037541B2 (ja) |
DE (2) | DE102007043355A1 (ja) |
ES (1) | ES2422212T3 (ja) |
RU (1) | RU2444813C2 (ja) |
WO (1) | WO2009033642A1 (ja) |
Cited By (3)
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JP2012174867A (ja) * | 2011-02-21 | 2012-09-10 | Panasonic Corp | 発光装置及びそれを用いた照明器具 |
US8764223B2 (en) | 2012-05-11 | 2014-07-01 | Panasonic Corporation | Lighting device |
JP2017022137A (ja) * | 2010-03-31 | 2017-01-26 | インテックス株式会社 | 光源装置 |
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DE102007043355A1 (de) | 2007-09-12 | 2009-03-19 | Lumitech Produktion Und Entwicklung Gmbh | LED-Modul, LED-Leuchtmittel und LED Leuchte für die energie-effiziente Wiedergabe von weißem Licht |
DE102008025864A1 (de) | 2008-05-29 | 2009-12-03 | Lumitech Produktion Und Entwicklung Gmbh | LED Modul für die Allgemeinbeleuchtung |
DE102008025865A1 (de) | 2008-05-29 | 2009-12-03 | Lumitech Produktion Und Entwicklung Gmbh | LED-Modul mit integrierten elektronischen Bauteilen für die Farbort- und Intensitätssteuerung |
DE202008018269U1 (de) | 2008-05-29 | 2012-06-26 | Lumitech Produktion Und Entwicklung Gmbh | LED Modul für die Allgemeinbeleuchtung |
US8992558B2 (en) | 2008-12-18 | 2015-03-31 | Osteomed, Llc | Lateral access system for the lumbar spine |
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DE102009037919A1 (de) | 2009-08-19 | 2011-02-24 | AKDOGAN, Özkan | LED-Modul, Verfahren zu dessen Herstellung und LED-Beleuchtungsvorrichtung |
FI20095967A (fi) * | 2009-09-18 | 2011-03-19 | Valoya Oy | Valaisinsovitelma |
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US8820950B2 (en) | 2010-03-12 | 2014-09-02 | Toshiba Lighting & Technology Corporation | Light emitting device and illumination apparatus |
JP2011216868A (ja) * | 2010-03-16 | 2011-10-27 | Toshiba Lighting & Technology Corp | 発光装置及び照明装置 |
US8198803B2 (en) * | 2010-07-30 | 2012-06-12 | Everlight Electronics Co., Ltd. | Color-temperature-tunable device |
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DE202011000007U1 (de) * | 2011-01-04 | 2012-04-05 | Zumtobel Lighting Gmbh | LED-Anordnung zur Erzeugung von weißem Licht |
DE102011010895B4 (de) | 2011-02-10 | 2022-04-28 | OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung | Leuchtdiodenmodul und Verfahren zum Betreiben eines Leuchtdiodenmoduls |
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Also Published As
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RU2010114187A (ru) | 2011-10-20 |
US9206947B2 (en) | 2015-12-08 |
EP2188851B1 (de) | 2013-03-13 |
DE102007043355A1 (de) | 2009-03-19 |
EP2188851A1 (de) | 2010-05-26 |
US9574723B2 (en) | 2017-02-21 |
ES2422212T3 (es) | 2013-09-09 |
US20160186937A1 (en) | 2016-06-30 |
RU2444813C2 (ru) | 2012-03-10 |
US20100237766A1 (en) | 2010-09-23 |
JP6037541B2 (ja) | 2016-12-07 |
JP2015156520A (ja) | 2015-08-27 |
WO2009033642A4 (de) | 2009-06-11 |
DE202007019100U1 (de) | 2010-09-02 |
WO2009033642A1 (de) | 2009-03-19 |
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