JP7262509B2 - 反射-吸収型偏光子を含む光学積層体 - Google Patents
反射-吸収型偏光子を含む光学積層体 Download PDFInfo
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- G—PHYSICS
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- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
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- G—PHYSICS
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- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
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- G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
- G02B5/3041—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid comprising multiple thin layers, e.g. multilayer stacks
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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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- H—ELECTRICITY
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
- G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
- G02B5/3041—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid comprising multiple thin layers, e.g. multilayer stacks
- G02B5/305—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid comprising multiple thin layers, e.g. multilayer stacks including organic materials, e.g. polymeric layers
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- G—PHYSICS
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- 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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Description
実施例1の統合型吸収-反射型偏光子を、円形偏光子を製造するために使用した。統合型偏光子フィルムを、光学的に透明な感圧性接着剤(OCA)を用いてAPQW92-004-MT、の商品名を有する四分の一波長板(quarter wave plate、QWP)(American Polarizers,Inc.,Reading,PAから入手可能)に積層した。QWP光軸は、統合型偏光子の光軸に対して45度とした。QWPの厚さは、110μmだった。次に、統合型CPを、光学的に透明な感圧性接着剤(OCA)を用いて、OLEDディスプレイに積層し、その輝度、反射率、色性能、及び厚さを、前に論じて表1,2に報告したとおり測定した。
フィルムがx方向に延伸される間、y及びz方向に実質的に等しく接触又は緩和できるよう、キャスティングされたウェブをパラボリックテンター(parabolic tenter)において、非拘束一軸延伸を使用して延伸したことを除き、実施例1のとおり複屈折性統合型吸収-反射型偏光子を調製した。使用した温度及び延伸比は、米国特許出願公開第2007/0047080号の実施例2に記載のものと同様だった。横断方向(transverse direction、TD)延伸比は6.0×と測定された一方で、ダウンウェブ又は長手方向(machine direction、MD)延伸比は、0.48×と測定された。
実施例3の統合型偏光子フィルムを、実施例2におけるのと同じQWPを用いて積層し、統合型CPを創出した。次に、統合型CPを、前の実施例におけるとおり、輝度、色性能及び反射率について測定した。結果を表1,2に示す。
複屈折性統合型吸収-反射型偏光子を、以下の例外を除いて実施例1にあるとおり調製した。第1の光学層は、前述のとおり、90/10coPEN、90%のポリエチレンナフタレート(PEN)及び10%のポリエチレンテレフタレート(PET)から構成されるポリマー、並びに4つの異なる二色性の共押出し可能な吸収染料(PD-325H、PD-335H、PD-104及びPD-318H)のブレンドから構成された。実施例5において利用した染料の重量パーセントは、以下のとおりだった。すなわち、PD-325H=0.93wt%、PD-335H=0.12wt%、PD-104=0.37wt%、及びPD-318H=0.69wt%。第1の光学層内で利用した染料は、実施例1~4で使用したもののおよそ半分だった。次に、統合型CPを、前の実施例におけるとおり、輝度、色性能及び反射率について測定した。結果を表1,2に示す。
実施例5の統合型偏光子フィルムを、実施例2におけるのと同じQWPを用いて積層し、統合型CPを創出した。次に、統合型CPを、前の実施例におけるとおり、輝度、色性能及び反射率について測定した。結果を表1,2に示す。
キャスティングされたウェブを実施例3におけるものと同様に延伸したが、6.0×のTD比及び0.46×のMD比だったことを除き、実施例5のとおり複屈折性統合型吸収-反射型偏光子を調製した。次に、統合型CPを、前の実施例におけるとおり、輝度、色性能及び反射率について測定した。結果を表1,2に示す。
実施例7の統合型偏光子フィルムを、実施例2におけるのと同じQWPを用いて積層し、統合型CPを創出した。次に、統合型CPを、前の実施例におけるとおり、輝度、色性能及び反射率について測定した。結果を表1,2に示す。
頂面及び底面を有する光学コアであって、
底面よりも頂面近くに位置する少なくとも1つのスキン層を有する反射-吸収型偏光子を含み、少なくとも1つのスキン層が偏光染料を含む、光学コアと、
光学コアの底面上に直接配置された四分の一波長板とを含み、
光学コアの外側に偏光選択性素子を含まない、光学積層体。
記載の光学積層体。
複数の交互にある第1及び第2のポリマー層を含み、交互にある第1及び第2のポリマー層のそれぞれが、偏光染料を実質的に含まない、反射性偏光子部と、
複数の交互にある第3及び第4のポリマー層を含むハイブリッド偏光子部とを含み、
第3のポリマー層が、第4の層よりも高い屈折率を有し、
第3のポリマー層が、偏光染料を含み、
反射性偏光子部及びハイブリッド偏光子部が、互いに隣接して配置される、項目1に記載の光学積層体。
Claims (6)
- 頂面及び底面を有する光学コアであって、複数の交互にある第1及び第2のポリマー層を含むハイブリッド偏光子部と、前記ハイブリッド偏光子部上に位置するスキン層とを含み、
前記第1のポリマー層の屈折率が前記第2のポリマー層の屈折率よりも高く、
前記スキン層及び前記第1のポリマー層は偏光染料を含み、
単位体積当たりの前記偏光染料の充填量は、前記スキン層及び前記第1のポリマー層で同じであり、
前記スキン層は、前記第1のポリマー層及び前記第2のポリマー層よりも厚い、光学コアと、
前記光学コアの前記底面上に直接配置された四分の一波長板と、を含む光学積層体。 - 前記第1のポリマー層及び前記スキン層の前記偏光染料は、同じ延伸方向に方向づけられている、請求項1に記載の光学積層体。
- 前記スキン層の厚さは、0.5~15μmの範囲である、請求項1に記載の光学積層体。
- 前記光学コアが、前記四分の一波長板と合わせて100マイクロメートル以下の総厚さを有する、請求項1に記載の光学積層体。
- 100マイクロメートル以下の総厚さを有する、請求項1に記載の光学積層体。
- 前記光学コアが、
複数の交互にある第3及び第4のポリマー層を更に含み、
前記第3のポリマー層が、前記第4のポリマー層よりも高い屈折率を有し、
前記第3のポリマー層及び前記第4のポリマー層のそれぞれが、偏光染料を実質的に含まず、
前記第1及び第2のポリマー層からなる第1の交互層と前記第3及び第4のポリマー層からなる第2の交互層とが、互いに隣接して配置される請求項1に記載の光学積層体。
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US201562175527P | 2015-06-15 | 2015-06-15 | |
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WO2018034854A1 (en) | 2016-08-16 | 2018-02-22 | 3M Innovative Properties Company | Polarizer |
TWI773761B (zh) | 2017-05-25 | 2022-08-11 | 美商麥吉克利普公司 | 雙面壓印方法 |
CN110720062A (zh) * | 2017-06-05 | 2020-01-21 | 3M创新有限公司 | 包括多层光学膜和薄粘合剂层的光学主体 |
US11187847B2 (en) | 2017-06-06 | 2021-11-30 | 3M Innovative Properties Company | Backlight including wide-web turning film and reflective polarizer with quarter-wave retarder |
IL274029B2 (en) * | 2017-10-26 | 2023-09-01 | Magic Leap Inc | An augmented reality display with a liquid crystal variable focus element and a roll-to-roll method and a device for their creation |
JP2020042080A (ja) * | 2018-09-07 | 2020-03-19 | 東洋紡フイルムソリューション株式会社 | 多層積層フィルム、それを用いた輝度向上部材および偏光板 |
EP3973334A4 (en) * | 2019-05-23 | 2023-06-21 | 3M Innovative Properties Company | OPTICAL FILM AND OPTICAL STACK |
JP2023508416A (ja) * | 2019-12-26 | 2023-03-02 | スリーエム イノベイティブ プロパティズ カンパニー | 薄い円偏光子用フィルム積層体 |
CN113219714B (zh) * | 2021-05-10 | 2023-08-25 | Oppo广东移动通信有限公司 | 偏光片、液晶显示模组及电子设备 |
WO2023223132A1 (en) * | 2022-05-20 | 2023-11-23 | 3M Innovative Properties Company | Optical film and optical lens including same |
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- 2016-06-13 MX MX2017016278A patent/MX2017016278A/es unknown
- 2016-06-13 WO PCT/US2016/037244 patent/WO2016205130A1/en active Application Filing
- 2016-06-13 EP EP16732140.5A patent/EP3308201A1/en not_active Withdrawn
- 2016-06-13 BR BR112017026839A patent/BR112017026839A2/pt not_active IP Right Cessation
- 2016-06-14 TW TW105118629A patent/TW201728925A/zh unknown
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2019
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JP2017502330A (ja) | 2013-12-06 | 2017-01-19 | スリーエム イノベイティブ プロパティズ カンパニー | 組込み吸収素子を有する多層反射性偏光子 |
Also Published As
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WO2016205130A1 (en) | 2016-12-22 |
MX2017016278A (es) | 2018-04-20 |
CN107750343B (zh) | 2021-03-05 |
JP6931614B2 (ja) | 2021-09-08 |
US11520092B2 (en) | 2022-12-06 |
KR20180018665A (ko) | 2018-02-21 |
BR112017026839A2 (pt) | 2018-08-14 |
JP2018521349A (ja) | 2018-08-02 |
CN107750343A (zh) | 2018-03-02 |
US20180172888A1 (en) | 2018-06-21 |
US10466398B2 (en) | 2019-11-05 |
US20200041707A1 (en) | 2020-02-06 |
TW201728925A (zh) | 2017-08-16 |
EP3308201A1 (en) | 2018-04-18 |
JP2021119405A (ja) | 2021-08-12 |
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