JP2017182048A - Rgb偏光光源 - Google Patents
Rgb偏光光源 Download PDFInfo
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- JP2017182048A JP2017182048A JP2017008243A JP2017008243A JP2017182048A JP 2017182048 A JP2017182048 A JP 2017182048A JP 2017008243 A JP2017008243 A JP 2017008243A JP 2017008243 A JP2017008243 A JP 2017008243A JP 2017182048 A JP2017182048 A JP 2017182048A
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- 239000002096 quantum dot Substances 0.000 claims abstract description 104
- 239000004038 photonic crystal Substances 0.000 claims abstract description 46
- 230000005540 biological transmission Effects 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims abstract description 25
- 239000000758 substrate Substances 0.000 claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 claims abstract description 11
- 239000004973 liquid crystal related substance Substances 0.000 claims description 8
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 6
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 6
- 238000001459 lithography Methods 0.000 claims description 5
- 238000007641 inkjet printing Methods 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- -1 polyethylene terephthalate Polymers 0.000 claims description 3
- 239000013078 crystal Substances 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 238000005096 rolling process Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 238000000151 deposition Methods 0.000 description 5
- 238000002834 transmittance Methods 0.000 description 5
- 230000005284 excitation Effects 0.000 description 4
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000010287 polarization Effects 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical group O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 229920000307 polymer substrate Polymers 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
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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
- G02F1/13—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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133528—Polarisers
- G02F1/133536—Reflective polarizers
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/002—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of materials engineered to provide properties not available in nature, e.g. metamaterials
- G02B1/005—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of materials engineered to provide properties not available in nature, e.g. metamaterials made of photonic crystals or photonic band gap materials
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- 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
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0056—Means for improving the coupling-out of light from the light guide for producing polarisation effects, e.g. by a surface with polarizing properties or by an additional polarizing elements
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- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
- G02B6/122—Basic optical elements, e.g. light-guiding paths
- G02B6/1225—Basic optical elements, e.g. light-guiding paths comprising photonic band-gap structures or photonic lattices
-
- 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
- G02F1/13—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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/13362—Illuminating devices providing polarized light, e.g. by converting a polarisation component into another one
-
- 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
- G02F1/13—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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133621—Illuminating devices providing coloured light
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- 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
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0051—Diffusing sheet or layer
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- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- 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
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0053—Prismatic sheet or layer; Brightness enhancement element, sheet or layer
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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
- G02F1/13—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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133614—Illuminating devices using photoluminescence, e.g. phosphors illuminated by UV or blue light
-
- 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
- G02F2202/00—Materials and properties
- G02F2202/32—Photonic crystals
-
- 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
- G02F2202/00—Materials and properties
- G02F2202/36—Micro- or nanomaterials
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- Nonlinear Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Mathematical Physics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Polarising Elements (AREA)
- Planar Illumination Modules (AREA)
- Optical Filters (AREA)
- Liquid Crystal (AREA)
Abstract
Description
Claims (21)
- 偏光を生成するデバイスであって、
基板上の複数のフォトニック結晶格子構造であって、青色偏光の透過のための一以上の構造領域と、緑色偏光の透過のための一以上の構造領域と、赤色偏光の透過のための一以上の構造領域とを有する複数のフォトニック結晶格子構造と、
前記緑色偏光の透過のための前記一以上の構造領域上に実質的に位置する緑色量子ドット層と、
前記赤色偏光の透過のための前記一以上の構造領域上に実質的に位置する赤色量子ドット層と、
前記基板上の前記複数のフォトニック結晶格子構造と、前記緑色量子ドット層及び前記赤色量子ドット層との上に配置された高屈折率フィルムと、
青色発光ダイオードアレイであって、該青色発光ダイオードアレイの発光が前記赤色量子ドット層及び前記緑色量子ドット層からの赤色光及び緑色光の放射を促進するように前記偏光デバイス上に配置された青色発光ダイオードアレイと、
を備えることを特徴とするデバイス。 - 液晶ディスプレイ(LCD)を更に備えることを特徴とする請求項1に記載のデバイス。
- 前記複数のフォトニック結晶格子構造は、100〜400nmの格子ピッチ、100〜300nmの格子高さ、及び少なくとも20ミクロンの格子幅を有することを特徴とする請求項1又は2に記載のデバイス。
- 前記緑色量子ドット層及び前記赤色量子ドット層はインクジェット印刷技術を用いて配置されることを特徴とする請求項1〜3のいずれか一項に記載のデバイス。
- リフレクターフィルムを更に備え、
前記青色発光ダイオードアレイは、前記リフレクターフィルムと、前記基板のうち前記複数のフォトニック結晶格子構造からみた反対側との間の層に配置されることを特徴とする請求項1〜4のいずれか一項に記載のデバイス。 - 前記緑色量子ドット層及び前記赤色量子ドット層は、約100nmの厚さであることを特徴とする請求項1〜5のいずれか一項に記載のデバイス。
- 前記基板は、ガラス、ポリエチレンテレフタレート(PET)及びポリエチレン‐2,6‐ナフタレンジカルボキシレート(PEN)から成る群から選択される一つであることを特徴とする請求項1〜6のいずれか一項に記載のデバイス。
- 前記高屈折率フィルムは1.7より高い屈折率及び約100nmの層厚を有することを特徴とする請求項1〜7のいずれか一項に記載のデバイス。
- 前記緑色量子ドット層及び前記赤色量子ドット層は、10体積パーセントの緑色量子ドット及び赤色量子ドットの濃度をそれぞれ有することを特徴とする請求項1〜8のいずれか一項に記載のデバイス。
- 前記複数のフォトニック結晶格子構造は、リソグラフィー技術を用いて作られることを特徴とする請求項1〜9のいずれか一項に記載のデバイス。
- 偏光光源の製造方法であって、
基板上に、青色偏光の透過のための一以上の構造領域と、緑色偏光の透過のための一以上の構造領域と、赤色偏光の透過のための一以上の構造領域とを有する複数のフォトニック結晶格子構造を作成する工程と、
前記緑色偏光の透過のための前記一以上の構造領域上に実質的に位置する緑色量子ドット層を配置する工程と、
前記赤色偏光の透過のための前記一以上の構造領域上に実質的に位置する赤色量子ドット層を配置する工程と、
前記偏光光源を高屈折率フィルムでコーティングする工程と、
青色発光ダイオードアレイの発光が前記赤色量子ドット層及び前記緑色量子ドット層からの赤色光及び緑色光の放射を促進するように、前記青色発光ダイオードアレイを前記偏光光源上に配置する工程と、
を備えることを特徴とする方法。 - 前記複数のフォトニック結晶格子構造は、100〜400nmの格子ピッチ、100〜300nmの格子高さ、及び少なくとも20ミクロンの格子幅を有することを特徴とする請求項11に記載の方法。
- 前記緑色量子ドット層及び前記赤色量子ドット層はインクジェット印刷技術を用いて配置されることを特徴とする請求項11又は12に記載の方法。
- 前記青色発光ダイオードアレイは、前記基板のうち前記複数のフォトニック結晶格子構造からみた反対側の層に配置されることを特徴とする請求項11〜13のいずれか一項に記載の方法。
- 前記緑色量子ドット層及び前記赤色量子ドット層は、約100nmの厚さであることを特徴とする請求項11〜14のいずれか一項に記載の方法。
- 前記高屈折率フィルムは1.7より高い屈折率及び約100nmの層厚を有することを特徴とする請求項11〜15のいずれか一項に記載の方法。
- 前記緑色量子ドット層及び前記赤色量子ドット層は、10パーセントの緑色量子ドット及び赤色量子ドットの濃度をそれぞれ有することを特徴とする請求項11〜16のいずれか一項に記載の方法。
- 前記基板は、ガラス、ポリエチレンテレフタレート(PET)及びポリエチレン‐2,6‐ナフタレンジカルボキシレート(PEN)から成る群から選択される一つであることを特徴とする請求項11〜17のいずれか一項に記載の方法。
- 前記緑色量子ドット層及び前記赤色量子ドット層は、10体積パーセントの緑色量子ドット及び赤色量子ドットの濃度をそれぞれ有することを特徴とする請求項11〜18のいずれか一項に記載の方法。
- 前記複数のフォトニック結晶格子構造は、リソグラフィー技術を用いて作られることを特徴とする請求項11〜19のいずれか一項に記載の方法。
- 前記偏光光源の製造方法はロールツーロール法であることを特徴とする請求項11〜20のいずれか一項に記載の方法。
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