JP6634389B2 - 非放射エネルギー移動に基づくソリッドステート照明装置 - Google Patents
非放射エネルギー移動に基づくソリッドステート照明装置 Download PDFInfo
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/50—Wavelength conversion elements
- H01L33/501—Wavelength conversion elements characterised by the materials, e.g. binder
- H01L33/502—Wavelength conversion materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
- F21K9/64—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using wavelength conversion means distinct or spaced from the light-generating element, e.g. a remote phosphor layer
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/008—Surface plasmon devices
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/015—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on semiconductor elements with at least one potential jump barrier, e.g. PN, PIN junction
- G02F1/017—Structures with periodic or quasi periodic potential variation, e.g. superlattices, quantum wells
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/015—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on semiconductor elements with at least one potential jump barrier, e.g. PN, PIN junction
- G02F1/017—Structures with periodic or quasi periodic potential variation, e.g. superlattices, quantum wells
- G02F1/01708—Structures with periodic or quasi periodic potential variation, e.g. superlattices, quantum wells in an optical wavequide structure
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- H01L33/02—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
- H01L33/04—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a quantum effect structure or superlattice, e.g. tunnel junction
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/50—Wavelength conversion elements
- H01L33/501—Wavelength conversion elements characterised by the materials, e.g. binder
- H01L33/502—Wavelength conversion materials
- H01L33/504—Elements with two or more wavelength conversion materials
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/015—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on semiconductor elements with at least one potential jump barrier, e.g. PN, PIN junction
- G02F1/017—Structures with periodic or quasi periodic potential variation, e.g. superlattices, quantum wells
- G02F1/01791—Quantum boxes or quantum dots
Description
Claims (15)
- 照明装置であって、
エネルギーを吸収して励起状態に至るように及び第1の波長の光を放出するように構成されたドナーと、前記第1の波長よりも長い第2の波長の光を放出するように構成されたアクセプタとを有する波長変換層
を有し、
前記ドナー及び前記アクセプタは、前記ドナーから前記アクセプタへの励起エネルギーの非放射移動が起こるように選択され且つ互いから距離を置いて配置され、それにより、前記アクセプタが、エネルギーの前記移動の後に前記第2の波長で光子を放出するようにされており、
当該照明装置は更に、前記波長変換層に埋め込まれ、且つアンテナアレイ面に配置された複数の個々のアンテナ素子を有した、周期的なプラズモンアンテナアレイを有し、前記プラズモンアンテナアレイは、前記個々のアンテナ素子における局在化された表面プラズモン共鳴の、前記プラズモンアンテナアレイと前記波長変換層とを有する系によって支援されるフォトニックモードへのカップリングに由来した、前記第2の波長での第1の格子共鳴を支援するように構成され、前記プラズモンアンテナアレイは、前記プラズモンアンテナアレイから放出される光が異方的な角度分布を持つように、プラズモン共鳴モードを有するよう構成されている、
照明装置。 - 前記アクセプタは、前記第2の波長に対応する第1のエネルギー準位と、前記第1のエネルギー準位よりも高い第2のエネルギー準位とを有し、前記ドナーは、前記アクセプタの前記第2のエネルギー準位に一致するエネルギー準位を有する、請求項1に記載の照明装置。
- 前記ドナーから前記アクセプタへの励起エネルギーの前記非放射移動が、0.9よりも高い効率を有するように、ドナー濃度及びアクセプタ濃度が選択されている、請求項1又は2に記載の照明装置。
- ドナー濃度とアクセプタ濃度との間の比が、少なくとも1:1である、請求項1乃至3の何れかに記載の照明装置。
- ドナー濃度とアクセプタ濃度との間の比が、1:1から5:1の範囲内である、請求項1乃至3の何れかに記載の照明装置。
- 前記ドナー及び前記アクセプタは、希土類元素イオン、染料分子、及び量子ドットからなる群から選択された点状エミッタである、請求項1乃至5の何れかに記載の照明装置。
- 前記ドナーは、500nmから580nmの波長を持つ緑色/黄色光を放つ染料分子又は量子ドットである、請求項6に記載の照明装置。
- 前記アクセプタは、580nmから630nmの波長を持つ赤色光を放つ染料分子又は量子ドットである、請求項6に記載の照明装置。
- 前記ドナー及び/又は前記アクセプタは、ペリレン染料分子である、請求項6に記載の照明装置。
- 前記波長変換層の吸光係数及び/又は量子効率が、前記アクセプタのみを有する波長変換層に関してよりも高いように、ドナー濃度及びアクセプタ濃度が選択されている、請求項1乃至9の何れかに記載の照明装置。
- 前記ドナーが前記励起状態に至るように前記ドナーにエネルギーを提供するよう構成されたエネルギー源、を更に有する請求項1乃至10の何れかに記載の照明装置。
- 前記エネルギー源は、光子エミッタ、電子エミッタ、x線エミッタ、ガンマ線エミッタ、又は電子−正孔対である、請求項11に記載の照明装置。
- 前記エネルギー源は、発光ダイオード又はソリッドステートレーザである、請求項11に記載の照明装置。
- 前記プラズモンアンテナアレイは、アウトオブプレーン非対称であるプラズモン共鳴モードを有するように構成されている、請求項1乃至13の何れかに記載の照明装置。
- 前記アンテナアレイは、110−130nmの範囲内の頂面辺と、135−160nmの範囲内の底面辺と、100−160nmの範囲内の高さとを持った角錐台状の複数のアンテナ素子を有し、前記複数のアンテナ素子は、約400nmの格子定数を持つ正方形アレイ、又は470nmの格子定数を持つ六角形アレイにて配列されている、請求項1乃至14の何れかに記載の照明装置。
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EP14170061.7 | 2014-05-27 | ||
EP14170061 | 2014-05-27 | ||
PCT/EP2015/060821 WO2015180976A1 (en) | 2014-05-27 | 2015-05-18 | Solid state illumination device based on non-radiative energy transfer |
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EP (1) | EP3149782B1 (ja) |
JP (1) | JP6634389B2 (ja) |
KR (1) | KR102330049B1 (ja) |
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JP6789536B2 (ja) * | 2016-07-22 | 2020-11-25 | 国立大学法人京都大学 | 波長変換装置及び光源装置 |
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JP6918304B2 (ja) * | 2017-03-06 | 2021-08-11 | 国立大学法人京都大学 | 照明装置 |
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CN112782922B (zh) | 2019-11-01 | 2022-08-30 | 精工爱普生株式会社 | 波长转换元件、光源装置和投影仪 |
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EP3149782A1 (en) | 2017-04-05 |
US9995460B2 (en) | 2018-06-12 |
KR102330049B1 (ko) | 2021-11-26 |
KR20170012426A (ko) | 2017-02-02 |
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CN106463587B (zh) | 2019-03-29 |
WO2015180976A1 (en) | 2015-12-03 |
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