JPWO2015156227A1 - 波長変換部材、成形体、波長変換装置、シート部材、発光装置、導光装置、並びに表示装置 - Google Patents
波長変換部材、成形体、波長変換装置、シート部材、発光装置、導光装置、並びに表示装置 Download PDFInfo
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- 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
- G02F1/13—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 liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
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- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
- G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
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- G02B6/0073—Light emitting diode [LED]
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- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
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- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0045—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide
- G02B6/0046—Tapered light guide, e.g. wedge-shaped light guide
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- 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
- G02F1/13—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 liquid crystals, e.g. single liquid crystal display cells
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- G02F1/1336—Illuminating devices
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- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
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Abstract
Description
コア/シェル構造の赤色発光量子ドット(QY値;83%)と緑色発光量子ドット(QY値;80%、81%)
[量子ドットに対する分散樹脂]
シリコーン樹脂、又は、エポキシ樹脂
[光散乱剤]
シリカ(SiO2)
Claims (12)
- 量子ドットを有する波長変換部材であって、
前記波長変換部材は、発光素子に近い側、あるいは光入射面側に配置される第1の層と、前記発光素子から遠い側、あるいは光出射面側に配置される第2の層とを有して構成され、
光散乱剤が、少なくとも前記第1の層に含有されており、前記量子ドットは、前記第1の樹脂層に含まれておらず前記第2の層に含有されていることを特徴とする波長変換部材。 - 前記光散乱剤は、前記第1の層に、0.2体積%〜20体積%含まれることを特徴とする請求項1記載の波長変換部材。
- 前記光散乱剤に代えて、あるいは前記光散乱剤とともに蛍光物質が添加されることを特徴とする請求項1又は2に記載の波長変換部材。
- 量子ドットを有する波長変換部材であって、
前記波長変換部材は、樹脂中に光散乱剤及び量子ドットが含有されてなり、前記光散乱剤は前記樹脂に対して2.5質量%以上10質量%以下の範囲内で含まれることを特徴とする波長変換部材。 - 請求項1ないし4のいずれかに記載された波長変換部材が成形体で形成されてなることを特徴とする成形体。
- 収納空間が設けられた容器と、
前記収納空間内に配置された請求項1ないし4のいずれかに記載された波長変換部材、あるいは請求項5に記載の成形体と、を有して構成されることを特徴とする波長変換装置。 - 請求項1ないし4のいずれかに記載された波長変換部材がシート状に形成されてなることを特徴とするシート部材。
- 請求項1ないし3のいずれかに記載された波長変換部材と、発光素子と、を有し、前記波長変換部材は、前記発光素子の発光側を覆う樹脂層を構成し、前記第1の層が、前記発光素子に近い側の第2の樹脂層を構成し、前記第2の層が、前記発光素子から遠い側の第2の樹脂層を構成することを特徴とする発光装置。
- 前記発光素子は、収納部内に配置され、前記樹脂層は、前記収納部内に充填されていることを特徴とする請求項8記載の発光装置。
- 請求項1ないし4のいずれかに記載された波長変換部材、又は、請求項5に記載された成形体、又は、請求項6に記載の波長変換装置、又は、請求項7に記載のシート部材、又は、請求項8及び請求項9のいずれかに記載の発光装置と、導光板とを有して構成されることを特徴とする導光装置。
- 請求項8及び請求項9のいずれかに記載の複数の発光装置が、導光板を構成する一面に対向して配置されることを特徴とする導光装置。
- 表示部と、前記表示部の裏面側に配置された、請求項1ないし4のいずれかに記載された波長変換部材、又は、請求項5に記載された成形体、又は、請求項6に記載の波長変換装置、又は、請求項7に記載のシート部材、又は、請求項8及び請求項9のいずれかに記載の発光装置と、を有することを特徴とする表示装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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JP2014079563 | 2014-04-08 | ||
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CN105449078A (zh) * | 2015-12-21 | 2016-03-30 | 华中科技大学 | 一种白光led及其制备方法 |
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US20170122527A1 (en) | 2017-05-04 |
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US10436418B2 (en) | 2019-10-08 |
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US10101008B2 (en) | 2018-10-16 |
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