JP2023541711A - 高criの高輝度光源の赤色含有量の増加 - Google Patents
高criの高輝度光源の赤色含有量の増加 Download PDFInfo
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- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
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- G03B21/2006—Lamp housings characterised by the light source
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- G—PHYSICS
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- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
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- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
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- H—ELECTRICITY
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Abstract
Description
Claims (15)
- (i)1つ以上のポンプ光源と、(ii)第1ルミネッセンス材料と、(iii)第2ルミネッセンス材料と、(iv)光学系とを有する光生成システムであって、
前記1つ以上のポンプ光源が、ポンプ光源光を生成するよう構成され、
前記第1ルミネッセンス材料が、前記ポンプ光源光の少なくとも一部を、第1スペクトルパワー分布を有する第1ルミネッセンス材料光に変換するよう構成され、前記第2ルミネッセンス材料が、前記ポンプ光源光の少なくとも一部を、前記第1スペクトルパワー分布とは異なる第2スペクトルパワー分布を有する第2ルミネッセンス材料光に変換するよう構成され、前記第1ルミネッセンス材料光及び前記第2ルミネッセンス材料光のうちの一方のスペクトルパワー分布が、他方のスペクトルパワー分布の5乃至50%と重複し、
前記光学系が、第1波長依存性光学系と第2波長依存性光学系とを有し、前記第1波長依存性光学系が、前記第1ルミネッセンス材料の下流に構成され、前記第1ルミネッセンス材料光を、2つの方向への前記第1ルミネッセンス材料光の第1部分及び前記第1ルミネッセンス材料光の第2部分にスペクトル的に分離するよう構成され、
前記第2波長依存性光学系が、(i)前記第1波長依存性光学系及び(ii)前記第2ルミネッセンス材料の下流に構成され、前記第2波長依存性光学系が、前記第1ルミネッセンス材料光の前記第1部分と、前記第1ルミネッセンス材料光の前記第2部分と、前記第2ルミネッセンス材料光とをスペクトル的に組み合わせるよう構成され、
前記光生成システムが、システム光を生成するよう構成され、前記システム光が、前記ポンプ光源光と前記第1ルミネッセンス材料光と前記第2ルミネッセンス材料光とを含む白色光であり、
(i)前記ポンプ光源光が、青色スペクトル領域において1つ以上のポンプ光波長を有し、(ii)前記第1ルミネッセンス材料光が、緑色及び黄色スペクトル領域のうちの1つ以上において1つ以上の第1ルミネッセンス材料光波長を有し、(iii)前記第2ルミネッセンス材料光が、赤色スペクトル領域において1つ以上の第2ルミネッセンス材料光波長を有する光生成システム。 - 前記第1波長依存性光学系及び前記第2波長依存性光学系のうちの1つ以上が、ダイクロイック要素を有する請求項1に記載の光生成システム。
- 前記第1波長依存性光学系が、前記第1ルミネッセンス材料光の前記第1部分に対して透過性であり、前記第1ルミネッセンス材料光の前記第2部分に対して反射性である請求項2に記載の光生成システム。
- 前記第2波長依存性光学系が、前記第1ルミネッセンス材料光の前記第1部分に対して透過性であり、前記第1ルミネッセンス材料光の前記第2部分に対して反射性であり、前記第2ルミネッセンス材料光に対して反射性である請求項2又は3に記載の光生成システム。
- 前記光生成システムの動作中、前記第2ルミネッセンス材料と前記第2光学系との間の経路長の少なくとも一部にわたって、前記第1ルミネッセンス材料光の前記第2部分と、前記第2ルミネッセンス材料光とが、共線的に伝搬するように、前記第1ルミネッセンス材料、前記第2ルミネッセンス材料及び前記光学系が構成される請求項1乃至4のいずれか一項に記載の光生成システム。
- 前記第1ルミネッセンス材料が、前記1つ以上のポンプ光源のうちの1つ以上に関して反射モードで構成され、前記光学系が、(i)前記第1ルミネッセンス材料及び(ii)前記1つ以上のポンプ光源のうちの前記1つ以上の下流に構成され、且つ前記第1波長依存性光学系の上流に構成される第3波長依存性光学系を有し、前記第3波長依存性光学系が、前記1つ以上のポンプ光源のうちの前記1つ以上の前記ポンプ光源光を反射するよう構成され、且つ前記第1ルミネッセンス材料光を透過するよう構成される請求項1乃至5のいずれか一項に記載の光生成システム。
- 前記第1ルミネッセンス材料が、前記1つ以上のポンプ光源のうちの1つ以上に関して透過モードで構成され、前記光学系が、前記1つ以上のポンプ光源のうちの前記1つ以上の下流に構成され、且つ前記第1ルミネッセンス材料の上流に構成される第4波長依存性光学系を有し、前記第4波長依存性光学系が、前記1つ以上のポンプ光源のうちの前記1つ以上の前記ポンプ光源光を透過するよう構成され、且つ前記第1ルミネッセンス材料光を反射するよう構成される請求項1乃至5のいずれか一項に記載の光生成システム。
- 請求項6に記載の前記第3光学系又は請求項7に記載の前記第4光学系が、ダイクロイック要素を有する請求項6乃至7のいずれか一項に記載の光生成システム。
- 前記第2ルミネッセンス材料が、前記1つ以上のポンプ光源のうちの1つ以上に関して反射モードで構成される請求項1乃至8のいずれか一項に記載の光生成システム。
- 前記第2波長依存性光学系が、前記1つ以上のポンプ光源のうちの前記1つ以上の下流に構成され、前記第2波長依存性光学系が、前記1つ以上のポンプ光源のうちの前記1つ以上の前記ポンプ光源光に対して透過性である請求項9に記載の光生成システム。
- 前記第2ルミネッセンス材料と第5光学系とを含む構成を有し、前記構成が、構成面と、前記構成面に垂直な仮想軸とを有し、前記光生成システムが、前記仮想軸に対して第1角度α1で前記構成に前記第1ルミネッセンス材料光の前記第2部分を供給するよう構成され、前記第5光学系が、前記仮想軸に対して第2角度α2で前記第1ルミネッセンス材料光を反射するよう構成され、α1≠α2である請求項1乃至10のいずれか一項に記載の光生成システム。
- 前記第1ルミネッセンス材料を照らす第1ポンプ光源と、前記第2ルミネッセンス材料を照らす第2ポンプ光源とを有する請求項1乃至11のいずれか一項に記載の光生成システム。
- 前記第1ルミネッセンス材料が、A3B5O12:Ceタイプのルミネッセンス材料を含み、Aは、Y、La、Gd、Tb及びLuのうちの1つ以上を含み、Bは、Al、Ga、In及びScのうちの1つ以上を含む請求項1乃至12のいずれか一項に記載の光生成システム。
- 前記1つ以上のポンプ光源が、1つ以上のレーザ光源を有し、前記第1ルミネッセンス材料と前記第2ルミネッセンス材料とが、u'に関して少なくとも0.1及び/又はv'に関して少なくとも0.1異なるそれぞれのカラーポイントを有する請求項1乃至13のいずれか一項に記載の光生成システム。
- ランプ、照明器具、プロジェクタデバイス、消毒デバイス、及び光無線通信デバイスのグループから選択される光生成デバイスであって、請求項1乃至14のいずれか一項に記載の光生成システムを有する光生成デバイス。
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CN110967909A (zh) * | 2019-12-30 | 2020-04-07 | 河南宏昌科技有限公司 | 一种具有直角反射镜和双向激发色轮的激光光源*** |
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US20170315431A1 (en) * | 2014-10-21 | 2017-11-02 | Osram Gmbh | Lighting device including pump radiation source |
US20160161835A1 (en) * | 2014-12-04 | 2016-06-09 | Osram Gmbh | Light module for a projection or illumination arrangement |
CN109100907A (zh) * | 2017-06-20 | 2018-12-28 | 扬明光学股份有限公司 | 发光*** |
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