JP2009540617A - 再発光半導体構造体及び反射体を有するled装置 - Google Patents
再発光半導体構造体及び反射体を有するled装置 Download PDFInfo
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Abstract
Description
この申請は米国特許仮出願番号60/804538(2006年6月12日申請)の利益を請求し、その開示はその全体を参照として本明細書に組み込む。
本発明は、光源に関する。特に、本発明は、発光ダイオード(LED)から放射される光が再発光半導体構造体に衝突し、再発光半導体構造体を励起し、発光光の一部をより長い波長にダウンコンバートする光源に関する。
半導体装置の層の積み重ね体に関して、「直に隣接した」は、層を介在しない順序での隣を意味し、「近くに隣接した」は、1つ又は2〜3の介在層を有する順序での隣を意味し及び「周囲の」は、順序での前と後の両方を意味し;
「ポテンシャル井戸」は、周囲の層よりも低い伝導帯エネルギー、周囲の層よりも高い価電子帯エネルギー又は両方を有する半導体装置の半導体の層を意味し;
「量子井戸」は、量子化効果が、井戸内の電子−正孔対遷移エネルギーを上げるのに十分に薄い、典型的に100nm以下の厚さを有するポテンシャル井戸を意味し;
「遷移エネルギー」は、電子−正孔再結合エネルギーを意味し;
「格子適合した」は、基材上のエピタキシャル膜などの2つの結晶性材料について説明すると、隔離された各材料が格子定数を有し、これらの格子定数が実質的に等しい、典型的に互いと0.2%以下異なる、より典型的には互いと0.1%以下異なる、及び最も典型的には互いと0.01%以下異なることを意味し;及び
「疑似格子整合」は、エピタキシャル膜及び基材などの所定の厚さの第1結晶性層と第2結晶性層について説明すると、隔離されてとられた各層が格子定数を有し、これらの格子定数が十分に類似し、そのため所定の厚さの第1層が実質的に不整合欠陥がない層の平面で第2層の格子間隔に適応できることを意味する。
本明細書に記載した干渉反射体は、有機、無機、又は有機と無機材料の組合せから形成される反射体を含む。干渉反射体は多層干渉反射体であってもよい。干渉反射体は可撓性干渉反射体であってもよい。可撓性干渉反射体はポリマー、非ポリマー材料、又はポリマー及び非ポリマー材料で形成することができる。ポリマー及び非ポリマー材料を含む代表的なフィルムが、米国特許第6,010,751号、米国特許第6,172,810号及び欧州特許733,919A2に開示されており、全てを参照として本明細書に組み込む。
Claims (28)
- a)第1波長の光を放射可能なLEDと、
b)pn接合内に位置しないポテンシャル井戸を備える再発光半導体構造体と、
c)前記LEDから放射される光を前記再発光半導体構造体へ反射するように位置決めされた反射体と、を含む装置。 - 前記再発光半導体構造体が、前記少なくとも1つのポテンシャル井戸の少なくとも1つの近くに隣接又は直に隣接する吸収層をさらに含む請求項1に記載の装置。
- 少なくとも1つのポテンシャル井戸が、量子井戸を含む請求項1に記載の装置。
- 前記反射体が、多層反射体である請求項1に記載の装置。
- 前記反射体が、非平面の可撓性多層反射体である請求項1に記載の装置。
- 前記反射体が、反射偏光子層である請求項1に記載の装置。
- 請求項1に記載の装置を含むグラフィック表示装置。
- 請求項1に記載の装置を含む照明装置。
- 前記再発光半導体構造体が第2波長の光を放射可能であり、前記反射体が前記第1波長の光を反射し、前記第2波長の光を透過する請求項1に記載の装置。
- 前記反射体が前記再発光半導体構造体の近くに隣接して位置決めされた干渉反射体であり、
前記装置が前記再発光半導体構造体に直に隣接するTIR促進層をさらに含み、前記TIR促進層が、前記第1波長で第1屈折率、及び前記第2波長で前記第1屈折率より小さい第2屈折率を有する請求項9に記載の装置。 - a)第1波長の光を放射可能なLEDと、
b)第2波長の光を放射可能であり、pn接合内に位置しない少なくとも1つのポテンシャル井戸を備える再発光半導体構造体と、
c)前記第1波長の光を透過し、前記第2波長の光の少なくとも一部を反射する反射体と、を含む装置。 - 前記再発光半導体構造体が、前記少なくとも1つのポテンシャル井戸の少なくとも1つの近くに隣接又は直に隣接する吸収層をさらに含む請求項11に記載の装置。
- 前記少なくとも1つのポテンシャル井戸が、量子井戸を含む請求項11に記載の装置。
- 前記反射体が、前記LEDと前記再発光半導体構造体との間に位置決めされる請求項11に記載の装置。
- 前記反射体が、多層反射体である請求項11に記載の装置。
- 前記反射体が、非平面の可撓性多層反射体である請求項11に記載の装置。
- 請求項11に記載の装置を含むグラフィック表示装置。
- 請求項11に記載の装置を含む照明装置。
- a)半導体ユニットであって、
i)pn接合内に位置し、第1波長の光を放射可能なLEDを備える第1ポテンシャル井戸、及び
ii)pn接合内に位置せず、再発光半導体構造体を備える第2ポテンシャル井戸を含む、半導体ユニットと、
b)前記LEDから放射される光を前記再発光半導体構造体へ反射するように位置決めされた反射体と、を含む装置。 - 前記再発光半導体構造体が、前記少なくとも1つのポテンシャル井戸の少なくとも1つの近くに隣接又は直に隣接する吸収層をさらに含む請求項19に記載の装置。
- 少なくとも1つのポテンシャル井戸が、量子井戸を含む請求項19に記載の装置。
- 前記再発光半導体構造体が第2波長の光を放射可能であり、前記反射体が前記第1波長の光を反射し、前記第2波長の光を透過する請求項19に記載の装置。
- 前記反射体が前記再発光半導体構造体の近くに隣接して位置決めされた干渉反射体であり、前記装置が前記再発光半導体構造体に直に隣接するTIR促進層をさらに含み、前記TIR促進層が、前記第1波長で第1屈折率、及び前記第2波長で前記第1屈折率より小さい第2屈折率を有する請求項22に記載の装置。
- 前記反射体が、多層反射体である請求項19に記載の装置。
- 前記反射体が、非平面の可撓性多層反射体である請求項19に記載の装置。
- 前記反射体が、反射偏光子層である請求項19に記載の装置。
- 請求項19に記載の装置を含むグラフィック表示装置。
- 請求項19に記載の装置を含む照明装置。
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US80453806P | 2006-06-12 | 2006-06-12 | |
PCT/US2007/070853 WO2007146863A1 (en) | 2006-06-12 | 2007-06-11 | Led device with re-emitting semiconductor construction and reflector |
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JP2009540617A true JP2009540617A (ja) | 2009-11-19 |
JP2009540617A5 JP2009540617A5 (ja) | 2010-08-12 |
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JP2009515585A Pending JP2009540617A (ja) | 2006-06-12 | 2007-06-11 | 再発光半導体構造体及び反射体を有するled装置 |
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EP (1) | EP2033237A4 (ja) |
JP (1) | JP2009540617A (ja) |
KR (1) | KR20090018627A (ja) |
CN (1) | CN101467273B (ja) |
TW (1) | TW200810156A (ja) |
WO (1) | WO2007146863A1 (ja) |
Cited By (3)
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WO2021066050A1 (ja) * | 2019-10-02 | 2021-04-08 | 富士フイルム株式会社 | バックライトおよび液晶表示装置 |
WO2024063033A1 (ja) * | 2022-09-21 | 2024-03-28 | 株式会社トプコン | 植物センサ |
WO2024063034A1 (ja) * | 2022-09-21 | 2024-03-28 | 株式会社トプコン | 植物センサ |
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DE102008012316B4 (de) * | 2007-09-28 | 2023-02-02 | OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung | Halbleiterlichtquelle mit einer Primärstrahlungsquelle und einem Lumineszenzkonversionselement |
EP2769703B1 (en) | 2009-04-30 | 2022-04-06 | Zeltiq Aesthetics, Inc. | Device for removing heat from subcutaneous lipid-rich cells |
DE102013212372A1 (de) * | 2013-06-27 | 2014-12-31 | Robert Bosch Gmbh | Optische Baueinheit |
CN105865668B (zh) * | 2015-01-20 | 2019-12-10 | 北京纳米能源与系统研究所 | 压力传感成像阵列、设备及其制作方法 |
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JPH11274558A (ja) * | 1998-03-23 | 1999-10-08 | Toshiba Corp | 半導体発光素子および半導体発光装置 |
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JP3358556B2 (ja) * | 1998-09-09 | 2002-12-24 | 日本電気株式会社 | 半導体装置及びその製造方法 |
US6853012B2 (en) * | 2002-10-21 | 2005-02-08 | Uni Light Technology Inc. | AlGaInP light emitting diode |
US7091653B2 (en) * | 2003-01-27 | 2006-08-15 | 3M Innovative Properties Company | Phosphor based light sources having a non-planar long pass reflector |
US7136408B2 (en) * | 2004-06-14 | 2006-11-14 | Coherent, Inc. | InGaN diode-laser pumped II-VI semiconductor lasers |
US7223998B2 (en) * | 2004-09-10 | 2007-05-29 | The Regents Of The University Of California | White, single or multi-color light emitting diodes by recycling guided modes |
US7045375B1 (en) * | 2005-01-14 | 2006-05-16 | Au Optronics Corporation | White light emitting device and method of making same |
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2007
- 2007-06-11 WO PCT/US2007/070853 patent/WO2007146863A1/en active Application Filing
- 2007-06-11 EP EP07798368.2A patent/EP2033237A4/en not_active Withdrawn
- 2007-06-11 JP JP2009515585A patent/JP2009540617A/ja active Pending
- 2007-06-11 TW TW096121063A patent/TW200810156A/zh unknown
- 2007-06-11 KR KR1020087030065A patent/KR20090018627A/ko not_active Application Discontinuation
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JPH11274558A (ja) * | 1998-03-23 | 1999-10-08 | Toshiba Corp | 半導体発光素子および半導体発光装置 |
Cited By (5)
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WO2021066050A1 (ja) * | 2019-10-02 | 2021-04-08 | 富士フイルム株式会社 | バックライトおよび液晶表示装置 |
JPWO2021066050A1 (ja) * | 2019-10-02 | 2021-04-08 | ||
JP7242886B2 (ja) | 2019-10-02 | 2023-03-20 | 富士フイルム株式会社 | バックライトおよび液晶表示装置 |
WO2024063033A1 (ja) * | 2022-09-21 | 2024-03-28 | 株式会社トプコン | 植物センサ |
WO2024063034A1 (ja) * | 2022-09-21 | 2024-03-28 | 株式会社トプコン | 植物センサ |
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CN101467273B (zh) | 2012-05-09 |
KR20090018627A (ko) | 2009-02-20 |
EP2033237A4 (en) | 2013-10-02 |
CN101467273A (zh) | 2009-06-24 |
WO2007146863A1 (en) | 2007-12-21 |
EP2033237A1 (en) | 2009-03-11 |
TW200810156A (en) | 2008-02-16 |
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