JP2013179349A - 多色発光源と散乱素子を使用する照明システム - Google Patents
多色発光源と散乱素子を使用する照明システム Download PDFInfo
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Abstract
【解決手段】本願の発光装置は、多色光を放射する光源を有する。散乱物質は、上記光源によって発光された多色光の少なくとも一部を受光し、上記多色光を前方移動光および後方移動光に変換する。光学素子は、上記散乱物質に結合しており、上記後方移動光を受光し、上記後方移動光の少なくとも一部を、上記光学素子から取り出すのに適用される。
【選択図】図7A
Description
Claims (27)
- 多色放射を発光させる放射源と、
前記放射源で発光された前記多色放射の少なくとも一部を受光し、前記多色放射を、前方移動放射および後方移動放射に変換させる散乱物質と、
前記散乱物質に結合する光学素子であって、前記後方移動の放射を受光し、かつ前記後方移動の放射の少なくとも一部を該光学素子から取り出すのに適用される光学素子と、を含む発光装置。 - 前記放射源は、複数の発光源を含み、複数の発光源の各々は、他の発光源の少なくとも1つの発光源のスペクトルとは異なるスペクトルを示す請求項1の発光装置。
- 前記複数の発光源は、発光ダイオード(LED)、レーザーダイオード(LD)、および共振空洞発光ダイオード(RCLED)の中の少なくとも1つのダイオードを含む請求項2に記載の発光装置。
- 複数の発光源の第1は、前記散乱物質の第1の側に隣接して配置され、複数の発光源の第2は、前記散乱物質の第2の側に隣接して配置される請求項2に記載の発光装置。
- 前記複数の発光源は、前記散乱物質からの所定距離に配置される請求項2に記載の発光装置。
- 前記複数の発光源は、前記光学素子の第1の部分に隣接して配置される請求項2に記載の発光装置。
- 前記散乱物質は、前記光学素子の第2の部分に隣接して配置される請求項6に記載の発光装置。
- 前記散乱物質は、前記光学素子の第2の端部の一部分の上に配置されるか、又は前記光学素子の第2の端部の実質的な全部分の上に配置される請求項7に記載の発光装置。
- 光パイプを更に含み、前記複数の発光源は、前記光を前記光パイプに向けるために、前記光パイプ周囲の少なくとも一部に配置される請求項2に記載の発光装置。
- 前記光パイプの側面上に配置されるマイクロレンズ層を、更に含む請求項9に記載の発光装置。
- 前記多色放射を受光する前記散乱物質は、散光器、下方変換物質、及びマイクロレンズの少なくとも1つである請求項1に記載の発光装置。
- 前記下方変換物質は、スペクトル領域内の第1の波長の放射を吸収し、かつ前記スペクトル領域内の第1の波長よりも長い第2の波長の放射を発光させるための少なくとも1つの物質を含む、請求項11に記載の発光装置。
- 前記下方変換物質は、実質的に均一に分散された物質を有する層、複数の物質が各々の密度を示す前記複数の物質を有する層、または前記光学素子内に分散された物質の1つを含む、請求項11に記載の発光装置。
- 前記散乱物質は、前記散光器に隣接する下方変換物質の少なくとも1つの層を含む請求項11に記載の発光装置。
- 前記散乱物質は、前記散光器から離れて配置される下方変換物質の少なくとも1つの層を含む、請求項11に記載の発光装置。
- 前記多色放射を受光するための前記散乱物質は、スペクトル領域内の第1の波長の放射を吸収し、かつ前記スペクトル領域内で前記第1の波長よりも長い第2の波長を少なくとも放射させるために発光する複数の下方変換物質を含む、請求項1に記載の発光装置。
- 前記多色放射を受光するための前記散乱物質は、i)複数の散乱層、および ii)複数の下方変換物質層の少なくとも1つを含む、請求項1に記載の発光装置。
- 前記光学素子から離れていく前記後方移動放射の少なくとも一部を収集するための収集装置を更に含む、請求項1に記載の発光装置。
- 前記収集装置は、前記光学素子の少なくとも一部に周辺配置される反射器を含む請求項18に記載の発光装置。
- 前記反射器の形状は、円錐、球形、双曲線、放物線、楕円、角錐、および箱形の1つである請求項19に記載の発光装置。
- 前記光学素子は、前記収集装置の上または前記収集装置から離れた距離の一方に配置される請求項18に記載の発光装置。
- 前記収集装置は、前記光学素子の少なくとも両側に隣接して配置される請求項21に記載の発光装置。
- 前記光源は、前記収集装置と前記散乱物質との間に配置される請求項18に記載の発光装置。
- 前記散乱物質は、前記光学素子内に分散される請求項1に記載の発光装置。
- 前記放射源に結合する熱発散装置を更に含む請求項1に記載の発光装置。
- 多色放射を発光させるための放射源と、
前記放射源で発光された放射を受光するように配置された光学素子と、
前記光学素子の一部の上に配置される散乱物質であって、前記光学素子によって受光された前記多色放射の少なくとも一部を受光し、前記多色放射の少なくとも一部を前方移動光および後方移動光に変換する散乱物質と、を含み、
ここで、前記光学素子は、前記後方移動光の一部を取り出すように配置される、発光装置。 - 前記放射源は複数の発光源を含み、複数の発光源の各々は、他の発光源の少なくとも1つのスペクトルと異なるスペクトルを示す、請求項26に記載の発光装置。
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WO2008079161A1 (en) | 2008-07-03 |
JP2010514209A (ja) | 2010-04-30 |
CN101563793B (zh) | 2013-07-31 |
CA2672214A1 (en) | 2008-07-03 |
EP2102918B1 (en) | 2019-04-10 |
CN101563793A (zh) | 2009-10-21 |
US8764225B2 (en) | 2014-07-01 |
EP2102918A1 (en) | 2009-09-23 |
US11028979B2 (en) | 2021-06-08 |
KR20090094040A (ko) | 2009-09-02 |
US20150116983A1 (en) | 2015-04-30 |
JP5678128B2 (ja) | 2015-02-25 |
CA2672214C (en) | 2016-08-09 |
US20130194779A1 (en) | 2013-08-01 |
EP3531007A1 (en) | 2019-08-28 |
US7837348B2 (en) | 2010-11-23 |
US20110063830A1 (en) | 2011-03-17 |
US20170003000A1 (en) | 2017-01-05 |
KR101460484B1 (ko) | 2014-11-12 |
US20080094829A1 (en) | 2008-04-24 |
US8960953B2 (en) | 2015-02-24 |
US9447945B2 (en) | 2016-09-20 |
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