JP5568305B2 - 赤外線検出および表示のための方法および装置 - Google Patents
赤外線検出および表示のための方法および装置 Download PDFInfo
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- RBTKNAXYKSUFRK-UHFFFAOYSA-N heliogen blue Chemical compound [Cu].[N-]1C2=C(C=CC=C3)C3=C1N=C([N-]1)C3=CC=CC=C3C1=NC([N-]1)=C(C=CC=C3)C3=C1N=C([N-]1)C3=CC=CC=C3C1=N2 RBTKNAXYKSUFRK-UHFFFAOYSA-N 0.000 description 1
- RPQDHPTXJYYUPQ-UHFFFAOYSA-N indium arsenide Chemical class [In]#[As] RPQDHPTXJYYUPQ-UHFFFAOYSA-N 0.000 description 1
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- GIFAOSNIDJTPNL-UHFFFAOYSA-N n-phenyl-n-(2-phenylphenyl)naphthalen-1-amine Chemical group C1=CC=CC=C1N(C=1C2=CC=CC=C2C=CC=1)C1=CC=CC=C1C1=CC=CC=C1 GIFAOSNIDJTPNL-UHFFFAOYSA-N 0.000 description 1
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Description
本出願は、任意の図、表、または図面が含まれ、いずれもその全内容物が参照により本明細書に組み入れられる、2007年5月14日に提出された米国特許出願第60/930,225号の恩典を主張し、かつ2006年9月29日に提出された米国特許出願第60/848,581号の恩典を主張する。
赤外線(IR)放射を検出するための多くの応用がある。IRは可視光(>0.7μm)より長い波長から約14μmまでの波長を有する放射線を指し、近IRは約0.7μmから約1.0μmの波長を指すサブセットである。一つの応用は、たとえば夜間に起こりうる暗い室内光の環境下でのIRの検出である。同様に、検出されたIR像をユーザーに見える波長でユーザーに表示することも有用でありうる。IR像を検出して、検出された像をユーザーに表示するための一つの一般的なデバイスは、暗視ゴーグルである。
本発明の態様は、赤外線(IR)検出のための方法および装置に関する。特定の態様は、IR放射線の検出のためのフォトトランジスタを生産するために有機層を利用する。IR検出器の波長範囲は、異なる波長の光子に対して感受性である材料を組み込むことによって改変することが可能である。特定の態様において、量子ドットの材料に関連する波長を有する光子の吸収を増強するために、フォトトランジスタの吸収層のホスト有機材料とは異なる波長の光子に対して感受性がある材料の量子ドットを、吸収層に組み込むことができる。
[請求項101]
吸収層および発光層の少なくとも一つが有機材料を含む、吸収層と発光層とを含む赤外線(IR)検出器。
[請求項102]
吸収層が組み込まれているフォトトランジスタを含む、請求項101記載のIR検出器。
[請求項103]
吸収層が組み込まれている光伝導体を含む、請求項101記載のIR検出器。
[請求項104]
吸収層が、有機材料と、吸収層の第一の有機材料とは異なる波長の光子に対して感受性の材料の量子ドットとを含む、請求項101記載のIR検出器。
[請求項105]
発光層が、有機材料と、発光層の有機材料とは異なる波長の光子の放出に関連する材料の量子ドットとを含む、請求項101記載のIR検出器。
[請求項106]
ユーザーに出力像を表示するためのディスプレイを含むIR検出器であって、発光層がディスプレイに組み込まれている、請求項101記載のIR検出器。
[請求項107]
ディスプレイが有機発光ダイオード(OLED)を含む、請求項106記載のIR検出器。
[請求項108]
フォトトランジスタを含むIR検出器であって、吸収層が該フォトトランジスタに組み込まれ、該フォトトランジスタとOLEDが直列である、請求項107記載のIR検出器。
[請求項109]
フォトトランジスタがPNPバイポーラトランジスタである、請求項102記載のIR検出器。
[請求項110]
フォトトランジスタがNPNバイポーラトランジスタである、請求項102記載のIR検出器。
[請求項111]
フォトトランジスタがIR光に対して透過性の第一の電極を含み、検出されるIR光が第一の電極を通過して、該フォトトランジスタの吸収層に入り、該IR光が電荷キャリアを生成するように吸収層において吸収され、光子を生成するように該電荷キャリアがOLEDの中に注入され、該OLEDが生成された光子に対して透過性の第二の電極を含み、生成された光子が第二の電極を通過する、請求項108記載のIR検出器。
[請求項112]
生成された光子が可視域に存在する、請求項111記載のIR検出器。
[請求項113]
第二の電極を通過する生成された光子が出力像を生じさせ、出力像が第一の電極に入射する赤外線像に対応する、請求項112記載のIR検出器。
[請求項114]
吸収層がPbSe量子ドットを含む、請求項101記載のIR検出器。
[請求項115]
吸収層がPTCBを含む、請求項101記載のIR検出器。
[請求項116]
発光層がAlq3を含む、請求項101記載のIR検出器。
[請求項117]
発光層がCdSe量子ドット層を含む、請求項101記載のIR検出器。
[請求項118]
吸収層がPbS量子ドットを含む、請求項101記載のIR検出器。
[請求項119]
吸収層が有機材料を含み、発光層が無機材料を含む、請求項101記載のIR検出器。
[請求項120]
発光層が有機材料を含み、吸収層が無機材料を含む、請求項101記載のIR検出器。
[請求項121]
約1μm〜約4μmの範囲の波長を検出することができる、請求項119記載のIR検出器。
[請求項122]
約1μm〜約3μmの範囲の波長を検出することができる、請求項114記載のIR検出器。
[請求項123]
光伝導体を含むIR検出器であって、吸収層が該光伝導体に組み込まれ、該光伝導体とOLEDが直列である、請求項122記載のIR検出器。
[請求項124]
光伝導体がOLEDのホール輸送層に直接接触している、請求項123記載のIR検出器。
[請求項125]
以下の段階を含む、赤外線(IR)を検出する方法:
吸収層および発光層の少なくとも一つが有機材料を含む、吸収層と発光層とを含むIR検出器を提供する段階;
IR検出器にIR光を入射させる段階;および
入射IR光の指標として発光層によって放出された光を受信する段階。
[請求項126]
第一の電極;
第一のトランジスタ層、第二のトランジスタ層、および第三のトランジスタ層がバイポーラトランジスタを形成する、第一のトランジスタ層、第二のトランジスタ層、第三のトランジスタ層;ならびに
第二の電極
を含む、フォトトランジスタを含む赤外線(IR)検出器であって、
前記第一の電極に入射したIR光が第一の電極を通過して、前記第二のトランジスタ層に吸収され、
吸収された光子によって電荷キャリアが生成され、かつ電荷キャリアが前記第一および第二の電極によって収集されて電流を生じる、赤外線(IR)検出器。
[請求項127]
ユーザーが暗視ゴーグルを装着した場合にユーザーの眼の近位に存在する基板;
吸収層および発光層の少なくとも一つが有機材料を含む、吸収層と発光層とを含み、入射したIR像を受信しかつIR像に対応する可視像をユーザーに出力するための、基板上の薄層
を含む、暗視ゴーグル。
[請求項128]
薄層がフォトトランジスタを含み、吸収層が該フォトトランジスタに組み込まれている、請求項127記載の暗視ゴーグル。
[請求項129]
薄層が光伝導体を含み、吸収層が該光伝導体に組み込まれている、請求項127記載の暗視ゴーグル。
[請求項130]
薄層が有機発光ダイオード(OLED)を含み、発光層が該OLEDに組み込まれている、請求項127記載の暗視ゴーグル。
[請求項131]
検出されるIR光がIR光に対して透過性である第一の電極を通過して吸収層に入り、該IR光が電荷キャリアを生成するように吸収層において吸収され、光子を生成するように該電荷キャリアがOLEDに注入され、生成された光子が該生成された光子に対して透過性である第二の電極を通過し、生成された光子が可視域に存在し、第二の電極を通過する生成された光子が第一の電極に入射する赤外線像に対応する可視出力像を生じる、請求項130記載の暗視ゴーグル。
本発明の態様は、赤外線(IR)検出のための方法および装置に関する。特定の態様は、IR放射線を検出するためのフォトトランジスタを生産するために有機層を利用する。IR検出器の波長範囲は、異なる波長の光子に対して感受性がある材料を組み込むことによって改変することが可能である。特定の態様において、量子ドットの材料に関連する波長を有する光子の吸収を増強するために、フォトトランジスタの吸収層のホスト有機材料とは異なる波長の光子に対して感受性がある材料の量子ドットを、吸収層に組み込むことができる。
Claims (26)
- PbS量子ドットおよび/またはPbSe量子ドットを含む吸収層;
有機材料を含む発光層を含む、有機発光ダイオード;
該吸収層および該発光層の間に配置された、電荷生成層;
赤外光に対して透過性の第一の電極;および、
第二の電極とを含む、約1μm〜約4μmの範囲の波長を検出することができる赤外線検出器であって、
検出される赤外光が、赤外光に対して透過性の該第一の電極を通過して該吸収層に入り、
該赤外光が、電荷キャリアを生成するように該吸収層において吸収され、
該電荷キャリアが、光子を生成するように該有機発光ダイオードの中に注入され、
生成された光子が、該生成された光子に対して透過性の第二の電極を透過し、
該生成された光子は可視域に存在し、
該第二の電極を通過する該生成された光子が、可視出力像を生じさせ、該可視出力像が該第一の電極に入射する赤外線像に対応する、赤外線検出器。 - 吸収層が組み込まれているフォトトランジスタを含む、請求項1記載の赤外線検出器。
- 吸収層が組み込まれている光伝導体を含む、請求項1記載の赤外線検出器。
- 吸収層が、有機材料と、吸収層の第一の有機材料とは異なる波長の光子に対して感受性の材料の量子ドットとを含む、請求項1または2記載の赤外線検出器。
- 発光層が、有機材料と、発光層の有機材料とは異なる波長の光子の放出に関連する材料の量子ドットとを含む、請求項1または2記載の赤外線検出器。
- ユーザーに該出力像を表示するためのディスプレイを含む赤外線検出器であって、該有機発光ダイオードがディスプレイに組み込まれている、請求項1または2記載の赤外線検出器。
- フォトトランジスタを含む赤外線検出器であって、吸収層が該フォトトランジスタに組み込まれ、該フォトトランジスタと該有機発光ダイオードが直列である、請求項1記載の赤外線検出器。
- フォトトランジスタがPNPバイポーラトランジスタである、請求項2または7記載の赤外線検出器。
- フォトトランジスタがNPNバイポーラトランジスタである、請求項2または7記載の赤外線検出器。
- 吸収層がPTCBを含む、請求項1または2記載の赤外線検出器。
- 発光層がAlq3を含む、請求項1または2記載の赤外線検出器。
- 発光層がCdSe量子ドット層を含む、請求項1または2記載の赤外線検出器。
- 約1μm〜約3μmの範囲の波長を検出することができる、請求項1記載の赤外線検出器。
- 光伝導体を含む赤外線検出器であって、吸収層が該光伝導体に組み込まれ、該光伝導体と有機発光ダイオードが直列である、請求項1記載の赤外線検出器。
- 光伝導体が有機発光ダイオードのホール輸送層に直接接触している、請求項14記載の赤外線検出器。
- 赤外光を検出する方法であって:
PbS量子ドットおよび/またはPbSe量子ドットを含む吸収層;
有機材料を含む発光層を含む、有機発光ダイオード;
該吸収層および該発光層の間に配置された、電荷生成層;
赤外光に対して透過性の第一の電極;および、
第二の電極、
とを含む約1μm〜約4μmの範囲の波長を検出することができる赤外線検出器を提供する段階;
該赤外線検出器に赤外光を入射させる段階;および
入射赤外光の指標として発光層によって放出された光を受信する段階とを含み、
検出される赤外光が、赤外光に対して透過性の該第一の電極を通過して該吸収層に入り、
該赤外光が、電荷キャリアを生成するように該吸収層において吸収され、
該電荷キャリアが、光子を生成するように該有機発光ダイオードの中に注入され、
生成された光子が、該生成された光子に対して透過性の第二の電極を透過し、
該生成された光子は可視域に存在し、
該第二の電極を通過する該生成された光子が、可視出力像を生じさせ、該可視出力像が該第一の電極に入射する赤外線像に対応する、方法。 - 第一の電極;
第一のトランジスタ層、第二のトランジスタ層、および第三のトランジスタ層がバイポーラトランジスタを形成する、第一のトランジスタ層、第二のトランジスタ層、第三のトランジスタ層;ならびに
第三の電極
を含み、該吸収層が組み込まれているフォトトランジスタをさらに含む、請求項1記載の赤外線検出器であって、
前記第一の電極に入射した赤外光が第一の電極を通過して、前記第二のトランジスタ層に吸収され、
吸収された光子によって電荷キャリアが生成され、かつ電荷キャリアが前記第一および第三の電極によって収集されて電流を生じる、赤外線検出器。 - ユーザーが暗視ゴーグルを装着した場合にユーザーの眼の近位に存在する基板;ならびに、
PbS量子ドットおよび/またはPbSe量子ドットを含む吸収層;
有機材料を含む発光層を含む、有機発光ダイオード;
前記吸収層および前記発光層の間に配置された、電荷生成層;
赤外光に対して透過性の第一の電極;および、
第二の電極とを含み、約1μm〜約4μmの範囲の波長を検出することができ、入射した赤外線像を受信しかつ該赤外線像に対応する可視像をユーザーに出力するための、基板上の薄層
を含む、暗視ゴーグルであって、
検出される赤外光が、赤外光に対して透過性の該第一の電極を通過して該吸収層に入り、
該赤外光が、電荷キャリアを生成するように該吸収層において吸収され、
該電荷キャリアが、光子を生成するように該有機発光ダイオードの中に注入され、
生成された光子が、該生成された光子に対して透過性の第二の電極を透過し、
該生成された光子は可視域に存在し、
該第二の電極を通過する該生成された光子が、可視出力像を生じさせ、該可視出力像が該第一の電極に入射する赤外線像に対応する、暗視ゴーグル。 - 薄層がフォトトランジスタを含み、吸収層が該フォトトランジスタに組み込まれている、請求項18記載の暗視ゴーグル。
- 薄層が光伝導体を含み、吸収層が該光伝導体に組み込まれている、請求項18記載の暗視ゴーグル。
- 該フォトトランジスタが赤外光に対して透過性の該第一の電極を含み、該有機発光ダイオードが生成された光子に対して透過性の該第二の電極を含む、請求項7記載の赤外線検出器。
- 電荷生成層がLiFを含む、請求項1記載の赤外線検出器。
- 電荷生成層がNiOを含む、請求項1記載の赤外線検出器。
- 電荷生成層がLiFおよびNiOを含む、請求項1記載の赤外線検出器。
- 電荷生成層がLiFおよびNiOを含む、請求項16記載の赤外光を検出する方法。
- 電荷生成層がLiFおよびNiOを含む、請求項18記載の暗視ゴーグル。
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US10700141B2 (en) | 2020-06-30 |
KR101513406B1 (ko) | 2015-04-17 |
JP2010506386A (ja) | 2010-02-25 |
KR101513311B1 (ko) | 2015-04-22 |
CA2665047A1 (en) | 2008-04-10 |
SG175565A1 (en) | 2011-11-28 |
US9276048B2 (en) | 2016-03-01 |
US20110031403A1 (en) | 2011-02-10 |
US8304728B2 (en) | 2012-11-06 |
US8405028B2 (en) | 2013-03-26 |
CN101558348B (zh) | 2013-03-06 |
US20100181552A1 (en) | 2010-07-22 |
US20130206988A1 (en) | 2013-08-15 |
CN101558348A (zh) | 2009-10-14 |
WO2008042859A2 (en) | 2008-04-10 |
WO2008042859A3 (en) | 2008-08-14 |
US20110031399A1 (en) | 2011-02-10 |
KR20140037973A (ko) | 2014-03-27 |
EP2064746A2 (en) | 2009-06-03 |
KR20090080056A (ko) | 2009-07-23 |
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